On this page, we present all of the funds holding MKSI from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding MKSI, with a link to that fund's top holdings. The next columns indicate the amount of MKSI stock held by each of the funds holding MKSI, followed by the MKSI position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 323 funds holding MKSI within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Carlyle Group Inc.. For more details on the positions held by Carlyle Group Inc. (or by any of the other funds holding MKSI), click the fund name in the "Holder" column of the funds-holding-MKSI table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Carlyle Group Inc.	8,482,732	$718,742	12/31/2022
MKSI	8,482,732	$718,742	12/31/2022
Capital International Investors	6,538,784	$554,031	12/31/2022
MKSI	6,538,784	$554,031	12/31/2022
Vanguard Group Inc.	6,344,398	$537,561	12/31/2022
MKSI	6,344,398	$537,561	12/31/2022
BlackRock Inc.	5,490,257	$465,189	12/31/2022
MKSI	5,490,257	$465,189	12/31/2022
Victory Capital Management Inc.	3,840,757	$325,427	12/31/2022
MKSI	3,840,757	$325,427	12/31/2022
JPMorgan Chase & Co.	1,913,047	$162,093	12/31/2022
MKSI	1,913,047	$162,093	12/31/2022
Wellington Management Group LLP	1,898,238	$160,838	12/31/2022
MKSI	1,898,238	$160,838	12/31/2022
Amundi	1,524,590	$150,782	12/31/2022
MKSI	1,524,590	$150,782	12/31/2022
Neuberger Berman Group LLC	1,723,491	$146,031	12/31/2022
MKSI	1,723,491	$146,031	12/31/2022
Cooke & Bieler LP	1,662,475	$140,862	12/31/2022
MKSI	1,662,475	$140,862	12/31/2022
State Street Corp	1,583,538	$134,173	12/31/2022
MKSI	1,583,538	$134,173	12/31/2022
FMR LLC	1,562,588	$132,398	12/31/2022
MKSI	1,562,588	$132,398	12/31/2022
Price T Rowe Associates Inc. MD	1,498,030	$126,928	12/31/2022
MKSI	1,498,030	$126,928	12/31/2022
Goldman Sachs Group Inc.	1,373,567	$116,382	12/31/2022
MKSI	1,373,567	$116,382	12/31/2022
Invesco Ltd.	1,292,692	$109,530	12/31/2022
MKSI	1,292,692	$109,530	12/31/2022
William Blair Investment Management LLC	888,251	$75,262	12/31/2022
MKSI	888,251	$75,262	12/31/2022
Norges Bank	877,610	$74,360	12/31/2022
MKSI	877,610	$74,360	12/31/2022
Principal Financial Group Inc.	861,511	$72,996	12/31/2022
MKSI	861,511	$72,996	12/31/2022
Royce & Associates LP	847,815	$71,835	12/31/2022
MKSI	847,815	$71,835	12/31/2022
Geode Capital Management LLC	843,989	$71,511	12/31/2022
MKSI	843,989	$71,511	12/31/2022
Bank of New York Mellon Corp	791,728	$67,083	12/31/2022
MKSI	791,728	$67,083	12/31/2022
Channing Capital Management LLC	765,532	$64,864	12/31/2022
MKSI	765,532	$64,864	12/31/2022
Dimensional Fund Advisors LP	584,757	$49,547	12/31/2022
MKSI	584,757	$49,547	12/31/2022
Polaris Capital Management LLC	581,600	$49,279	12/31/2022
MKSI	581,600	$49,279	12/31/2022
Thrivent Financial for Lutherans	548,038	$46,435	12/31/2022
MKSI	548,038	$46,435	12/31/2022
Madison Asset Management LLC	544,507	$46,136	12/31/2022
MKSI	544,507	$46,136	12/31/2022
Charles Schwab Investment Management Inc.	510,516	$43,256	12/31/2022
MKSI	510,516	$43,256	12/31/2022
Fisher Asset Management LLC	510,189	$43,228	12/31/2022
MKSI	510,189	$43,228	12/31/2022
Northern Trust Corp	454,021	$38,469	12/31/2022
MKSI	454,021	$38,469	12/31/2022
Frontier Capital Management Co. LLC	436,895	$37,018	12/31/2022
MKSI	436,895	$37,018	12/31/2022
Morgan Stanley	387,214	$32,809	12/31/2022
MKSI	387,214	$32,809	12/31/2022
Vaughan Nelson Investment Management L.P.	382,894	$32,443	12/31/2022
MKSI	382,894	$32,443	12/31/2022
American Century Companies Inc.	374,462	$31,728	12/31/2022
MKSI	374,462	$31,728	12/31/2022
Renaissance Technologies LLC	338,503	$28,681	12/31/2022
MKSI	338,503	$28,681	12/31/2022
Deutsche Bank AG	316,133	$26,786	12/31/2022
MKSI	316,133	$26,786	12/31/2022
Value Holdings Management CO. LLC	305,714	$25,904	12/31/2022
MKSI	305,714	$25,904	12/31/2022
Ameriprise Financial Inc.	277,930	$23,551	12/31/2022
MKSI	277,930	$23,551	12/31/2022
New York State Common Retirement Fund	273,259	$23,153	12/31/2022
MKSI	273,259	$23,153	12/31/2022
First Trust Advisors LP	265,597	$22,504	12/31/2022
MKSI	265,597	$22,504	12/31/2022
Royal Bank of Canada	244,943	$20,753	12/31/2022
MKSI	244,943	$20,753	12/31/2022
Rafferty Asset Management LLC	243,678	$20,647	12/31/2022
MKSI	243,678	$20,647	12/31/2022
Pacer Advisors Inc.	222,252	$18,831	12/31/2022
MKSI	222,252	$18,831	12/31/2022
Alliancebernstein L.P.	216,323	$18,329	12/31/2022
MKSI	216,323	$18,329	12/31/2022
Bank of America Corp DE	200,613	$16,998	12/31/2022
MKSI	200,613	$16,998	12/31/2022
Lazard Asset Management LLC	195,354	$16,552	12/31/2022
MKSI	195,354	$16,552	12/31/2022
Systematic Financial Management LP	194,134	$16,449	12/31/2022
MKSI	194,134	$16,449	12/31/2022
Artemis Investment Management LLP	183,912	$15,637	12/31/2022
MKSI	183,912	$15,637	12/31/2022
Rhumbline Advisers	178,814	$15,151	12/31/2022
MKSI	178,814	$15,151	12/31/2022
Federated Hermes Inc.	178,555	$15,129	12/31/2022
MKSI	178,555	$15,129	12/31/2022
Balyasny Asset Management LLC	166,989	$14,149	12/31/2022
MKSI	166,989	$14,149	12/31/2022
Retirement Systems of Alabama	166,886	$14,140	12/31/2022
MKSI	166,886	$14,140	12/31/2022
Wells Fargo & Company MN	165,699	$14,040	12/31/2022
MKSI	165,699	$14,040	12/31/2022
Two Sigma Investments LP	160,122	$13,567	12/31/2022
MKSI	160,122	$13,567	12/31/2022
Silvercrest Asset Management Group LLC	154,092	$13,056	12/31/2022
MKSI	154,092	$13,056	12/31/2022
Swiss National Bank	144,500	$12,243	12/31/2022
MKSI	144,500	$12,243	12/31/2022
Needham Investment Management LLC	139,500	$11,820	12/31/2022
MKSI	139,500	$11,820	12/31/2022
California Public Employees Retirement System	131,952	$11,180	12/31/2022
MKSI	131,952	$11,180	12/31/2022
Nuveen Asset Management LLC	130,294	$11,041	12/31/2022
MKSI	130,294	$11,041	12/31/2022
Raymond James & Associates	130,130	$11,026	12/31/2022
MKSI	130,130	$11,026	12/31/2022
Mesirow Institutional Investment Management Inc.	117,428	$9,950	12/31/2022
MKSI	117,428	$9,950	12/31/2022
Polar Capital Holdings Plc	112,567	$9,538	12/31/2022
MKSI	112,567	$9,538	12/31/2022
Legal & General Group Plc	109,979	$9,319	12/31/2022
MKSI	109,979	$9,319	12/31/2022
Bessemer Group Inc.	109,584	$9,285	12/31/2022
MKSI	109,584	$9,285	12/31/2022
Janney Montgomery Scott LLC	100,894	$8,549	12/31/2022
MKSI	100,894	$8,549	12/31/2022
UBS Asset Management Americas Inc.	95,360	$8,080	12/31/2022
MKSI	95,360	$8,080	12/31/2022
First National Bank of Omaha	93,123	$7,891	12/31/2022
MKSI	93,123	$7,891	12/31/2022
American International Group Inc.	89,081	$7,548	12/31/2022
MKSI	89,081	$7,548	12/31/2022
State of Wisconsin Investment Board	80,960	$6,860	12/31/2022
MKSI	80,960	$6,860	12/31/2022
Susquehanna Fundamental Investments LLC	79,168	$6,708	12/31/2022
MKSI	79,168	$6,708	12/31/2022
California State Teachers Retirement System	75,365	$6,386	12/31/2022
MKSI	75,365	$6,386	12/31/2022
New York State Teachers Retirement System	72,086	$6,108	12/31/2022
MKSI	72,086	$6,108	12/31/2022
Leith Wheeler Investment Counsel Ltd.	72,031	$6,103	12/31/2022
MKSI	72,031	$6,103	12/31/2022
Stifel Financial Corp	68,678	$5,820	12/31/2022
MKSI	68,678	$5,820	12/31/2022
Citigroup Inc.	68,075	$5,768	12/31/2022
MKSI	68,075	$5,768	12/31/2022
First Eagle Investment Management LLC	66,788	$5,659	12/31/2022
MKSI	66,788	$5,659	12/31/2022
Natixis	63,400	$5,372	12/31/2022
MKSI	63,400	$5,372	12/31/2022
Natixis Advisors L.P.	60,221	$5,103	12/31/2022
MKSI	60,221	$5,103	12/31/2022
Paradigm Capital Management Inc. NY	60,200	$5,101	12/31/2022
MKSI	60,200	$5,101	12/31/2022
Sei Investments Co.	59,846	$5,071	12/31/2022
MKSI	59,846	$5,071	12/31/2022
Mutual of America Capital Management LLC	57,391	$4,863	12/31/2022
MKSI	57,391	$4,863	12/31/2022
Credit Suisse AG	56,897	$4,821	12/31/2022
MKSI	56,897	$4,821	12/31/2022
State Board of Administration of Florida Retirement System	55,231	$4,680	12/31/2022
MKSI	55,231	$4,680	12/31/2022
Prudential Financial Inc.	54,524	$4,620	12/31/2022
MKSI	54,524	$4,620	12/31/2022
Envestnet Asset Management Inc.	50,713	$4,297	12/31/2022
MKSI	50,713	$4,297	12/31/2022
Amalgamated Bank	48,343	$4,096	12/31/2022
MKSI	48,343	$4,096	12/31/2022
Barclays PLC	47,976	$4,064	12/31/2022
MKSI	47,976	$4,064	12/31/2022
Great West Life Assurance Co. Can	46,720	$3,964	12/31/2022
MKSI	46,720	$3,964	12/31/2022
The Manufacturers Life Insurance Company	46,384	$3,930	12/31/2022
MKSI	46,384	$3,930	12/31/2022
Capital Group Private Client Services Inc.	46,355	$3,928	12/31/2022
MKSI	46,355	$3,928	12/31/2022
GHP Investment Advisors Inc.	45,744	$3,876	12/31/2022
MKSI	45,744	$3,876	12/31/2022
NFJ Investment Group LLC	45,278	$3,836	12/31/2022
MKSI	45,278	$3,836	12/31/2022
WCM Investment Management LLC	44,271	$3,751	12/31/2022
MKSI	44,271	$3,751	12/31/2022
State of Tennessee Treasury Department	40,948	$3,470	12/31/2022
MKSI	40,948	$3,470	12/31/2022
RMB Capital Management LLC	40,640	$3,443	12/31/2022
MKSI	40,640	$3,443	12/31/2022
Holocene Advisors LP	40,329	$3,417	12/31/2022
MKSI	40,329	$3,417	12/31/2022
Janus Henderson Group PLC	39,214	$3,323	12/31/2022
MKSI	39,214	$3,323	12/31/2022
Texas Permanent School Fund	38,452	$3,258	12/31/2022
MKSI	38,452	$3,258	12/31/2022
Sit Investment Associates Inc.	38,425	$3,256	12/31/2022
MKSI	38,425	$3,256	12/31/2022
Banco Santander S.A.	37,401	$3,169	12/31/2022
MKSI	37,401	$3,169	12/31/2022
UBS Group AG	36,446	$3,088	12/31/2022
MKSI	36,446	$3,088	12/31/2022
UNIVEST FINANCIAL Corp	36,143	$3,062	12/31/2022
MKSI	36,143	$3,062	12/31/2022
MetLife Investment Management LLC	36,014	$3,051	12/31/2022
MKSI	36,014	$3,051	12/31/2022
Leuthold Group LLC	35,998	$3,050	12/31/2022
MKSI	35,998	$3,050	12/31/2022
Creative Planning	34,746	$2,944	12/31/2022
MKSI	34,746	$2,944	12/31/2022
Gabelli Funds LLC	33,960	$2,877	12/31/2022
MKSI	33,960	$2,877	12/31/2022
State of New Jersey Common Pension Fund D	32,455	$2,750	12/31/2022
MKSI	32,455	$2,750	12/31/2022
First Republic Investment Management Inc.	32,292	$2,736	12/31/2022
MKSI	32,292	$2,736	12/31/2022
Comerica Bank	25,807	$2,577	12/31/2022
MKSI	25,807	$2,577	12/31/2022
Girard Partners LTD.	30,085	$2,549	12/31/2022
MKSI	30,085	$2,549	12/31/2022
Highland Capital Management LLC	29,940	$2,537	12/31/2022
MKSI	29,940	$2,537	12/31/2022
Eaton Vance Management	30,661	$2,534	09/30/2022
MKSI	30,661	$2,534	09/30/2022
Yousif Capital Management LLC	29,837	$2,528	12/31/2022
MKSI	29,837	$2,528	12/31/2022
Public Employees Retirement System of Ohio	29,371	$2,489	12/31/2022
MKSI	29,371	$2,489	12/31/2022
Two Sigma Advisers LP	27,576	$2,337	12/31/2022
MKSI	27,576	$2,337	12/31/2022
AQR Capital Management LLC	27,374	$2,290	12/31/2022
MKSI	27,374	$2,290	12/31/2022
Nordea Investment Management AB	26,993	$2,259	12/31/2022
MKSI	26,993	$2,259	12/31/2022
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	25,730	$2,180	12/31/2022
MKSI	25,730	$2,180	12/31/2022
BNP Paribas Arbitrage SA	25,578	$2,167	12/31/2022
MKSI	25,578	$2,167	12/31/2022
Russell Investments Group Ltd.	25,364	$2,149	12/31/2022
MKSI	25,364	$2,149	12/31/2022
Romano Brothers AND Company	25,205	$2,137	12/31/2022
MKSI	25,205	$2,137	12/31/2022
Treasurer of the State of North Carolina	24,874	$2,108	12/31/2022
MKSI	24,874	$2,108	12/31/2022
Voya Investment Management LLC	24,587	$2,083	12/31/2022
MKSI	24,587	$2,083	12/31/2022
Gotham Asset Management LLC	22,474	$1,904	12/31/2022
MKSI	22,474	$1,904	12/31/2022
Teachers Retirement System of The State of Kentucky	22,001	$1,864	12/31/2022
MKSI	22,001	$1,864	12/31/2022
Lake Street Advisors Group LLC	19,795	$1,677	12/31/2022
MKSI	19,795	$1,677	12/31/2022
Nisa Investment Advisors LLC	19,630	$1,663	12/31/2022
MKSI	19,630	$1,663	12/31/2022
South Dakota Investment Council	18,950	$1,606	12/31/2022
MKSI	18,950	$1,606	12/31/2022
Penserra Capital Management LLC	18,464	$1,564	12/31/2022
MKSI	18,464	$1,564	12/31/2022
Ameritas Investment Partners Inc.	14,706	$1,550	12/31/2022
MKSI	14,706	$1,550	12/31/2022
Arizona State Retirement System	16,886	$1,431	12/31/2022
MKSI	16,886	$1,431	12/31/2022
Virtus Family Office LLC	16,863	$1,429	12/31/2022
MKSI	16,863	$1,429	12/31/2022
Oregon Public Employees Retirement Fund	16,846	$1,427	12/31/2022
MKSI	16,846	$1,427	12/31/2022
M&T Bank Corp	16,835	$1,426	12/31/2022
MKSI	16,835	$1,426	12/31/2022
Morris Capital Advisors LLC	16,848	$1,392	09/30/2022
MKSI	16,848	$1,392	09/30/2022
Brinker Capital Investments LLC	16,101	$1,364	12/31/2022
MKSI	16,101	$1,364	12/31/2022
Illinois Municipal Retirement Fund	15,498	$1,313	12/31/2022
MKSI	15,498	$1,313	12/31/2022
LPL Financial LLC	15,404	$1,305	12/31/2022
MKSI	15,404	$1,305	12/31/2022
Louisiana State Employees Retirement System	15,300	$1,296	12/31/2022
MKSI	15,300	$1,296	12/31/2022
Jane Street Group LLC		$1,276	12/31/2022
MKSI	17,452	$1,479	12/31/2022
Put	6,400	$542	12/31/2022
Call	4,000	$339	12/31/2022
BI Asset Management Fondsmaeglerselskab A S	14,854	$1,259	12/31/2022
MKSI	14,854	$1,259	12/31/2022
State of Michigan Retirement System	14,540	$1,232	12/31/2022
MKSI	14,540	$1,232	12/31/2022
Tower Research Capital LLC TRC	14,216	$1,205	12/31/2022
MKSI	14,216	$1,205	12/31/2022
Ensign Peak Advisors Inc	14,183	$1,202	12/31/2022
MKSI	14,183	$1,202	12/31/2022
Peak Asset Management LLC	14,125	$1,197	12/31/2022
MKSI	14,125	$1,197	12/31/2022
Burney Co.	14,117	$1,196	12/31/2022
MKSI	14,117	$1,196	12/31/2022
SG Americas Securities LLC	14,031	$1,189	12/31/2022
MKSI	14,031	$1,189	12/31/2022
Walleye Capital LLC	13,756	$1,166	12/31/2022
MKSI	13,756	$1,166	12/31/2022
Squarepoint Ops LLC	13,332	$1,130	12/31/2022
MKSI	13,332	$1,130	12/31/2022
Glenmede Trust Co. NA	13,251	$1,123	12/31/2022
MKSI	13,251	$1,123	12/31/2022
Eagle Asset Management Inc.	12,914	$1,093	12/31/2022
MKSI	12,914	$1,093	12/31/2022
Hudson Value Partners LLC	12,000	$1,017	12/31/2022
MKSI	12,000	$1,017	12/31/2022
CX Institutional	11,746	$995	12/31/2022
MKSI	11,746	$995	12/31/2022
Marshall Financial Group LLC	11,018	$934	12/31/2022
MKSI	11,018	$934	12/31/2022
Bank of Montreal Can	10,664	$908	12/31/2022
MKSI	10,664	$908	12/31/2022
Utah Retirement Systems	10,334	$876	12/31/2022
MKSI	10,334	$876	12/31/2022
Strs Ohio	10,100	$855	12/31/2022
MKSI	10,100	$855	12/31/2022
Zurich Insurance Group Ltd FI	9,600	$813	12/31/2022
MKSI	9,600	$813	12/31/2022
The PNC Financial Services Group Inc.	9,112	$772	12/31/2022
MKSI	9,112	$772	12/31/2022
Teacher Retirement System of Texas	9,106	$772	12/31/2022
MKSI	9,106	$772	12/31/2022
ProShare Advisors LLC	8,971	$760	12/31/2022
MKSI	8,971	$760	12/31/2022
Verition Fund Management LLC	8,791	$745	12/31/2022
MKSI	8,791	$745	12/31/2022
Dupont Capital Management Corp	8,760	$742	12/31/2022
MKSI	8,760	$742	12/31/2022
Guggenheim Capital LLC	8,707	$738	12/31/2022
MKSI	8,707	$738	12/31/2022
New Mexico Educational Retirement Board	8,700	$737	12/31/2022
MKSI	8,700	$737	12/31/2022
Zurcher Kantonalbank Zurich Cantonalbank	8,503	$720	12/31/2022
MKSI	8,503	$720	12/31/2022
Front Row Advisors LLC	8,446	$716	12/31/2022
MKSI	8,446	$716	12/31/2022
Walleye Trading LLC		$703	12/31/2022
Call	9,900	$839	12/31/2022
Put	1,600	$136	12/31/2022
JustInvest LLC	8,133	$689	12/31/2022
MKSI	8,133	$689	12/31/2022
State of Alaska Department of Revenue	8,004	$678	12/31/2022
MKSI	8,004	$678	12/31/2022
Mackenzie Financial Corp	7,948	$673	12/31/2022
MKSI	7,948	$673	12/31/2022
PEAK6 Investments LLC		$668	12/31/2022
Call	14,000	$1,186	12/31/2022
Put	10,600	$898	12/31/2022
MKSI	4,487	$380	12/31/2022
SkyOak Wealth LLC	7,734	$655	12/31/2022
MKSI	7,734	$655	12/31/2022
Tributary Capital Management LLC	7,700	$652	12/31/2022
MKSI	7,700	$652	12/31/2022
Xponance Inc.	7,526	$638	12/31/2022
MKSI	7,526	$638	12/31/2022
Hanson & Doremus Investment Management	7,209	$611	12/31/2022
MKSI	7,209	$611	12/31/2022
MKT Advisors LLC	6,080	$601	12/31/2022
MKSI	6,080	$601	12/31/2022
Renaissance Group LLC	7,062	$598	12/31/2022
MKSI	7,062	$598	12/31/2022
Ethic Inc.	6,973	$591	12/31/2022
MKSI	6,973	$591	12/31/2022
Public Employees Retirement Association of Colorado	6,875	$583	12/31/2022
MKSI	6,875	$583	12/31/2022
Pictet Asset Management SA	6,834	$579	12/31/2022
MKSI	6,834	$579	12/31/2022
Keeley Teton Advisors LLC	6,700	$568	12/31/2022
MKSI	6,700	$568	12/31/2022
Mastrapasqua Asset Management Inc.	6,615	$560	12/31/2022
MKSI	6,615	$560	12/31/2022
FORA Capital LLC	6,465	$548	12/31/2022
MKSI	6,465	$548	12/31/2022
US Bancorp DE	6,228	$528	12/31/2022
MKSI	6,228	$528	12/31/2022
Captrust Financial Advisors	6,217	$527	12/31/2022
MKSI	6,217	$527	12/31/2022
Scotia Capital Inc.	6,009	$509	12/31/2022
MKSI	6,009	$509	12/31/2022
Mork Capital Management LLC	6,000	$508	12/31/2022
MKSI	6,000	$508	12/31/2022
Advisor Group Holdings Inc.	5,832	$493	12/31/2022
MKSI	5,832	$493	12/31/2022
BCM Advisors LLC	4,903	$485	12/31/2022
MKSI	4,903	$485	12/31/2022
Vident Investment Advisory LLC	5,446	$461	12/31/2022
MKSI	5,446	$461	12/31/2022
Commonwealth Equity Services LLC	5,420	$459	12/31/2022
MKSI	5,420	$459	12/31/2022
Northwestern Mutual Investment Management Company LLC	5,293	$448	12/31/2022
MKSI	5,293	$448	12/31/2022
Securian Asset Management Inc	5,214	$442	12/31/2022
MKSI	5,214	$442	12/31/2022
Cubic Asset Management LLC	5,085	$431	12/31/2022
MKSI	5,085	$431	12/31/2022
AM Squared Ltd	5,000	$424	12/31/2022
MKSI	5,000	$424	12/31/2022
Equitable Trust Co.	4,988	$423	12/31/2022
MKSI	4,988	$423	12/31/2022
Cetera Investment Advisers	4,846	$411	12/31/2022
MKSI	4,846	$411	12/31/2022
Advisory Services Network LLC	4,834	$410	12/31/2022
MKSI	4,834	$410	12/31/2022
Jefferies Group LLC	5,762	$399	09/30/2022
MKSI	5,762	$399	09/30/2022
Quinn Opportunity Partners LLC	4,410	$374	12/31/2022
MKSI	4,410	$374	12/31/2022
Shell Asset Management Co.	4,374	$371	12/31/2022
MKSI	4,374	$371	12/31/2022
Ellevest Inc.	4,368	$370	12/31/2022
MKSI	4,368	$370	12/31/2022
Schonfeld Strategic Advisors LLC	4,300	$364	12/31/2022
MKSI	4,300	$364	12/31/2022
Maryland State Retirement & Pension System	4,173	$354	12/31/2022
MKSI	4,173	$354	12/31/2022
Greenwich Wealth Management LLC	4,024	$341	12/31/2022
MKSI	4,024	$341	12/31/2022
Skylands Capital LLC	4,000	$339	12/31/2022
MKSI	4,000	$339	12/31/2022
Profund Advisors LLC	3,985	$338	12/31/2022
MKSI	3,985	$338	12/31/2022
Crossmark Global Holdings Inc.	3,985	$337	12/31/2022
MKSI	3,985	$337	12/31/2022
AXQ Capital LP	3,900	$330	12/31/2022
MKSI	3,900	$330	12/31/2022
Archer Investment Corp	3,850	$326	12/31/2022
MKSI	3,850	$326	12/31/2022
Citizens Financial Group Inc RI	3,764	$319	12/31/2022
MKSI	3,764	$319	12/31/2022
GABELLI & Co INVESTMENT ADVISERS INC.	3,747	$317	12/31/2022
MKSI	3,747	$317	12/31/2022
Cetera Advisor Networks LLC	3,679	$312	12/31/2022
MKSI	3,679	$312	12/31/2022
Allspring Global Investments Holdings LLC	3,561	$302	12/31/2022
MKSI	3,561	$302	12/31/2022
Mercer Global Advisors Inc. ADV	3,537	$300	12/31/2022
MKSI	3,537	$300	12/31/2022
Raymond James Financial Services Advisors Inc.	3,537	$300	12/31/2022
MKSI	3,537	$300	12/31/2022
Cornerstone Investment Partners LLC	3,493	$296	12/31/2022
MKSI	3,493	$296	12/31/2022
Pathstone Family Office LLC	3,339	$283	12/31/2022
MKSI	3,339	$283	12/31/2022
Blair William & Co. IL	3,221	$273	12/31/2022
MKSI	3,221	$273	12/31/2022
National Bank of Canada FI	3,220	$273	12/31/2022
MKSI	3,220	$273	12/31/2022
Shelton Capital Management	2,939	$249	12/31/2022
MKSI	2,939	$249	12/31/2022
SFE Investment Counsel	2,538	$243	12/31/2022
MKSI	2,538	$243	12/31/2022
CWM Advisors LLC	2,791	$236	12/31/2022
MKSI	2,791	$236	12/31/2022
Mariner LLC	2,777	$235	12/31/2022
MKSI	2,777	$235	12/31/2022
MML Investors Services LLC	2,680	$227	12/31/2022
MKSI	2,680	$227	12/31/2022
Caxton Associates LP	2,537	$215	12/31/2022
MKSI	2,537	$215	12/31/2022
Samalin Investment Counsel LLC	2,501	$212	12/31/2022
MKSI	2,501	$212	12/31/2022
CI Private Wealth LLC	2,408	$204	12/31/2022
MKSI	2,408	$204	12/31/2022
Dundas Partners LLP	2,360	$200	12/31/2022
MKSI	2,360	$200	12/31/2022
Quantbot Technologies LP	2,182	$185	12/31/2022
MKSI	2,182	$185	12/31/2022
Advisors Asset Management Inc.	1,939	$164	12/31/2022
MKSI	1,939	$164	12/31/2022
Van ECK Associates Corp	1,920	$163	12/31/2022
MKSI	1,920	$163	12/31/2022
Macquarie Group Ltd.	1,766	$150	12/31/2022
MKSI	1,766	$150	12/31/2022
Trust Co. of Vermont	1,525	$129	12/31/2022
MKSI	1,525	$129	12/31/2022
Benjamin F. Edwards & Company Inc.	1,424	$121	12/31/2022
MKSI	1,424	$121	12/31/2022
Covestor Ltd	1,428	$121	12/31/2022
MKSI	1,428	$121	12/31/2022
US Asset Management LLC	1,379	$117	12/31/2022
MKSI	1,379	$117	12/31/2022
Quadrant Capital Group LLC	1,305	$111	12/31/2022
MKSI	1,305	$111	12/31/2022
Northwestern Mutual Wealth Management Co.	1,228	$104	12/31/2022
MKSI	1,228	$104	12/31/2022
IFP Advisors Inc	850	$97	12/31/2022
MKSI	850	$97	12/31/2022
South State CORP.	1,000	$85	12/31/2022
MKSI	1,000	$85	12/31/2022
Cubist Systematic Strategies LLC		$84	12/31/2022
Call	5,800	$491	12/31/2022
Put	4,800	$407	12/31/2022
CWM LLC	901	$76	12/31/2022
MKSI	901	$76	12/31/2022
Estabrook Capital Management	850	$72	12/31/2022
MKSI	850	$72	12/31/2022
Ossiam	819	$69	12/31/2022
MKSI	819	$69	12/31/2022
Signaturefd LLC	792	$67	12/31/2022
MKSI	792	$67	12/31/2022
Wipfli Financial Advisors LLC	680	$56	09/30/2022
MKSI	680	$56	09/30/2022
American Portfolios Advisors	593	$49	09/30/2022
MKSI	593	$49	09/30/2022
Optimum Investment Advisors	550	$47	12/31/2022
MKSI	550	$47	12/31/2022
AdvisorNet Financial Inc	510	$43	12/31/2022
MKSI	510	$43	12/31/2022
Hartford Financial Management Inc.	473	$40	12/31/2022
MKSI	473	$40	12/31/2022
Fifth Third Bancorp	461	$39	12/31/2022
MKSI	461	$39	12/31/2022
Sargent Bickham Lagudis LLC	413	$35	12/31/2022
MKSI	413	$35	12/31/2022
Fred Alger Management LLC	321	$27	12/31/2022
MKSI	321	$27	12/31/2022
Global Retirement Partners LLC	322	$27	12/31/2022
MKSI	322	$27	12/31/2022
	319	$26	09/30/2022
MKSI	319	$26	09/30/2022
Geneos Wealth Management Inc.	284	$24	12/31/2022
MKSI	284	$24	12/31/2022
TCI Wealth Advisors Inc.	262	$22	12/31/2022
MKSI	262	$22	12/31/2022
CI Investments Inc.	237	$20	12/31/2022
MKSI	237	$20	12/31/2022
Coston McIsaac & Partners	236	$20	12/31/2022
MKSI	236	$20	12/31/2022
Steward Partners Investment Advisory LLC	226	$19	12/31/2022
MKSI	226	$19	12/31/2022
Ronald Blue Trust Inc.	204	$17	12/31/2022
MKSI	204	$17	12/31/2022
UMB Bank N A MO	188	$16	12/31/2022
MKSI	188	$16	12/31/2022
FourThought Financial LLC	183	$15	09/30/2022
MKSI	183	$15	09/30/2022
Nomura Asset Management Co. Ltd.	170	$14	12/31/2022
MKSI	170	$14	12/31/2022
Belpointe Asset Management LLC	170	$14	12/31/2022
MKSI	170	$14	12/31/2022
Proequities Inc.		$13	12/31/2022
MKSI	150	$13	12/31/2022
Put	0	$0	12/31/2022
Call	0	$0	12/31/2022
Smithfield Trust Co.	155	$13	12/31/2022
MKSI	155	$13	12/31/2022
Riverview Trust Co	148	$13	12/31/2022
MKSI	148	$13	12/31/2022
Resources Management Corp CT ADV	130	$11	12/31/2022
MKSI	130	$11	12/31/2022
Ancora Advisors LLC	101	$9	12/31/2022
MKSI	101	$9	12/31/2022
Canada Pension Plan Investment Board	100	$8	12/31/2022
MKSI	100	$8	12/31/2022
Stonebridge Capital Advisors LLC	100	$8	12/31/2022
MKSI	100	$8	12/31/2022
Parallel Advisors LLC	90	$8	12/31/2022
MKSI	90	$8	12/31/2022
Crewe Advisors LLC	89	$8	12/31/2022
MKSI	89	$8	12/31/2022
Sageworth Trust Co of South Dakota	95	$8	12/31/2022
MKSI	95	$8	12/31/2022
Armstrong Advisory Group Inc.	96	$8	12/31/2022
MKSI	96	$8	12/31/2022
Glassman Wealth Services	78	$7	12/31/2022
MKSI	78	$7	12/31/2022
Money Concepts Capital Corp	70	$6	12/31/2022
MKSI	70	$6	12/31/2022
OLD Mission Capital LLC	68	$6	12/31/2022
MKSI	68	$6	12/31/2022
First Horizon Advisors Inc.	74	$6	12/31/2022
MKSI	74	$6	12/31/2022
CoreCap Advisors LLC	66	$6	12/31/2022
MKSI	66	$6	12/31/2022
Parkside Financial Bank & Trust	60	$5	12/31/2022
MKSI	60	$5	12/31/2022
Allworth Financial LP	54	$5	12/31/2022
MKSI	54	$5	12/31/2022
Capital Advisors Ltd. LLC	63	$5	12/31/2022
MKSI	63	$5	12/31/2022
Zullo Investment Group Inc.	63	$5	12/31/2022
MKSI	63	$5	12/31/2022
Massmutual Trust Co. FSB ADV	43	$4	12/31/2022
MKSI	43	$4	12/31/2022
Sageworth Trust Co	43	$4	12/31/2022
MKSI	43	$4	12/31/2022
GWM Advisors LLC	50	$4	12/31/2022
MKSI	50	$4	12/31/2022
Investors Research Corp	52	$4	12/31/2022
MKSI	52	$4	12/31/2022
Bell Investment Advisors Inc	53	$4	12/31/2022
MKSI	53	$4	12/31/2022
Earnest Partners LLC	35	$3	12/31/2022
MKSI	35	$3	12/31/2022
Davidson Capital Management Inc.	34	$3	12/31/2022
MKSI	34	$3	12/31/2022
Farmers & Merchants Investments Inc.	26	$2	12/31/2022
MKSI	26	$2	12/31/2022
Private Trust Co. NA	24	$2	12/31/2022
MKSI	24	$2	12/31/2022
Plante Moran Financial Advisors LLC	20	$2	12/31/2022
MKSI	20	$2	12/31/2022
JFS Wealth Advisors LLC	24	$2	12/31/2022
MKSI	24	$2	12/31/2022
Lindbrook Capital LLC	27	$2	12/31/2022
MKSI	27	$2	12/31/2022
Quent Capital LLC	23	$2	12/31/2022
MKSI	23	$2	12/31/2022
Harbour Investments Inc.	16	$1	12/31/2022
MKSI	16	$1	12/31/2022
Lee Financial Co	6	$1	12/31/2022
MKSI	6	$1	12/31/2022
Baker Avenue Asset Management LP	11	$1	12/31/2022
MKSI	11	$1	12/31/2022
Transamerica Financial Advisors Inc.	1	$1	12/31/2022
MKSI	1	$1	12/31/2022
Gradient Investments LLC	8	$1	12/31/2022
MKSI	8	$1	12/31/2022
Moisand Fitzgerald Tamayo LLC	8	$1	12/31/2022
MKSI	8	$1	12/31/2022
Versant Capital Management Inc	7	$1	12/31/2022
MKSI	7	$1	12/31/2022
Rockefeller Capital Management L.P.	22	$1	12/31/2022
MKSI	22	$1	12/31/2022
Prestige Wealth Management Group LLC	11	$1	12/31/2022
MKSI	11	$1	12/31/2022
Concord Wealth Partners	10	$1	12/31/2022
MKSI	10	$1	12/31/2022
SJS Investment Consulting Inc.	9	$1	12/31/2022
MKSI	9	$1	12/31/2022
Schubert & Co	11	$1	12/31/2022
MKSI	11	$1	12/31/2022
My Personal CFO LLC	6	$1	12/31/2022
MKSI	6	$1	12/31/2022
Huntington National Bank	1	$0	12/31/2022
MKSI	1	$0	12/31/2022
JJJ Advisors Inc.	1	$0	12/31/2022
MKSI	1	$0	12/31/2022
CVA Family Office LLC	5	$0	12/31/2022
MKSI	5	$0	12/31/2022
Disciplined Investments LLC	5	$0	12/31/2022
MKSI	5	$0	12/31/2022
Steward Financial Group LLC	5	$0	12/31/2022
MKSI	5	$0	12/31/2022
Tudor Investment Corp Et Al		$-41	12/31/2022
Put	3,600	$303	12/31/2022
Call	3,100	$262	12/31/2022
Citadel Advisors LLC		$-64	12/31/2022
Put	53,310	$4,517	12/31/2022
Call	51,225	$4,340	12/31/2022
MKSI	1,334	$113	12/31/2022
Two Sigma Securities LLC		$-153	12/31/2022
Put	4,800	$407	12/31/2022
Call	3,000	$254	12/31/2022
Wolverine Trading LLC		$-272	12/31/2022
Put	9,200	$780	12/31/2022
Call	6,000	$508	12/31/2022
Susquehanna International Group LLP		$-966	12/31/2022
Put	21,900	$1,856	12/31/2022
Call	10,500	$890	12/31/2022
Twin Tree Management LP		$-3,010	12/31/2022
Put	90,700	$7,685	12/31/2022
MKSI	51,980	$4,404	12/31/2022
Call	3,200	$271	12/31/2022
Washington Capital Management Inc.	5,600	$-474,488	12/31/2022
Put	5,600	$474,488	12/31/2022

See Summary: Institutional Holders of MKSI
See Details: Top 10 Hedge Funds Holding MKSI
Also See: MKSI Insider Buying
Also See: MKSI Holdings Changes

MKSI — Current Quote

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MKSI — Performance