On this page, we present all of the funds holding IRWD from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding IRWD, with a link to that fund's top holdings. The next columns indicate the amount of IRWD stock held by each of the funds holding IRWD, followed by the IRWD position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 261 funds holding IRWD within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding IRWD), click the fund name in the "Holder" column of the funds-holding-IRWD table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	25,980,308	$297,215	12/31/2023
IRWD	25,980,308	$297,215	12/31/2023
Sarissa Capital Management LP	16,390,000	$187,502	12/31/2023
IRWD	16,390,000	$187,502	12/31/2023
Vanguard Group Inc.	16,033,545	$183,424	12/31/2023
IRWD	16,033,545	$183,424	12/31/2023
State Street Corp	11,532,088	$131,927	12/31/2023
IRWD	11,532,088	$131,927	12/31/2023
LSV Asset Management	6,782,101	$77,587	12/31/2023
IRWD	6,782,101	$77,587	12/31/2023
Renaissance Technologies LLC	6,595,898	$75,457	12/31/2023
IRWD	6,595,898	$75,457	12/31/2023
Balyasny Asset Management LLC		$69,954	12/31/2023
NOTE 0	44,500,000	$46,774	12/31/2023
NOTE 1	25,000,000	$27,222	12/31/2023
Put	375,000	$4,290	12/31/2023
IRWD	21,660	$248	12/31/2023
Armistice Capital LLC	5,700,000	$65,208	12/31/2023
IRWD	5,700,000	$65,208	12/31/2023
Credit Suisse AG	5,612,113	$64,203	12/31/2023
IRWD	5,612,113	$64,203	12/31/2023
Victory Capital Management Inc.	4,224,583	$48,329	12/31/2023
IRWD	4,224,583	$48,329	12/31/2023
Camden Asset Management L P CA		$46,212	12/31/2023
CNV	42,651,000	$46,212	12/31/2023
Brown Capital Management LLC	3,709,431	$42,436	12/31/2023
IRWD	3,709,431	$42,436	12/31/2023
TENOR CAPITAL MANAGEMENT Co. L.P.		$36,335	12/31/2023
NOTE 0	34,375,000	$36,335	12/31/2023
Dimensional Fund Advisors LP	3,081,811	$35,256	12/31/2023
IRWD	3,081,811	$35,256	12/31/2023
Geode Capital Management LLC	3,080,463	$35,244	12/31/2023
IRWD	3,080,463	$35,244	12/31/2023
Jacobs Levy Equity Management Inc.	3,009,203	$34,425	12/31/2023
IRWD	3,009,203	$34,425	12/31/2023
Jupiter Asset Management Ltd.	2,270,042	$25,969	12/31/2023
IRWD	2,270,042	$25,969	12/31/2023
Point72 Asset Management L.P.	2,217,669	$25,370	12/31/2023
IRWD	2,217,669	$25,370	12/31/2023
Morgan Stanley	2,147,818	$24,571	12/31/2023
IRWD	2,147,818	$24,571	12/31/2023
Nuveen Asset Management LLC	1,836,325	$21,008	12/31/2023
IRWD	1,836,325	$21,008	12/31/2023
JPMorgan Chase & Co.		$20,034	12/31/2023
IRWD	1,454,881	$16,644	12/31/2023
BOND	3,211,000	$3,390	12/31/2023
Northern Trust Corp	1,588,392	$18,171	12/31/2023
IRWD	1,588,392	$18,171	12/31/2023
Driehaus Capital Management LLC	1,582,134	$18,100	12/31/2023
IRWD	1,582,134	$18,100	12/31/2023
Adage Capital Partners GP L.L.C.	1,511,789	$17,295	12/31/2023
IRWD	1,511,789	$17,295	12/31/2023
Man Group plc	1,425,389	$16,306	12/31/2023
IRWD	1,425,389	$16,306	12/31/2023
Checkpoint Capital L.P.		$15,787	12/31/2023
IRWD	880,000	$10,067	12/31/2023
Call	500,000	$5,720	12/31/2023
Calamos Advisors LLC		$15,597	12/31/2023
NOTE 1	9,500,000	$10,348	12/31/2023
NOTE 0	5,000,000	$5,249	12/31/2023
Two Sigma Advisers LP	1,341,800	$15,350	12/31/2023
IRWD	1,341,800	$15,350	12/31/2023
Glenmede Trust Co. NA	1,292,428	$14,785	12/31/2023
IRWD	1,292,428	$14,785	12/31/2023
Charles Schwab Investment Management Inc.	1,288,653	$14,742	12/31/2023
IRWD	1,288,653	$14,742	12/31/2023
Hotchkis & Wiley Capital Management LLC	1,140,470	$13,047	12/31/2023
IRWD	1,140,470	$13,047	12/31/2023
Goldman Sachs Group Inc.	1,081,665	$12,374	12/31/2023
IRWD	1,081,665	$12,374	12/31/2023
Jane Street Group LLC		$11,891	12/31/2023
NOTE 1	3,750,000	$4,035	12/31/2023
IRWD	296,911	$3,397	12/31/2023
NOTE 0	3,000,000	$3,146	12/31/2023
Call	114,800	$1,313	12/31/2023
Millennium Management LLC	972,135	$11,121	12/31/2023
IRWD	972,135	$11,121	12/31/2023
First Eagle Investment Management LLC	907,225	$10,379	12/31/2023
IRWD	907,225	$10,379	12/31/2023
Citigroup Inc.		$9,822	12/31/2023
Call	450,000	$5,148	12/31/2023
IRWD	362,000	$4,141	12/31/2023
NOTE 1	249,000	$270	12/31/2023
NOTE 0	252,000	$263	12/31/2023
Norges Bank	814,774	$9,321	12/31/2023
IRWD	814,774	$9,321	12/31/2023
Bank of New York Mellon Corp		$9,238	03/31/2024
IRWD	1,037,418	$9,036	03/31/2024
NOTE	200,000	$202	03/31/2024
Principal Financial Group Inc.	801,780	$9,172	12/31/2023
IRWD	801,780	$9,172	12/31/2023
New York State Common Retirement Fund	791,736	$9,057	12/31/2023
IRWD	791,736	$9,057	12/31/2023
Ameriprise Financial Inc.	787,048	$9,004	12/31/2023
IRWD	787,048	$9,004	12/31/2023
American Century Companies Inc.	777,399	$8,893	12/31/2023
IRWD	777,399	$8,893	12/31/2023
Bank of America Corp DE		$8,691	12/31/2023
IRWD	686,766	$7,857	12/31/2023
NOTE 0	800,000	$834	12/31/2023
Eventide Asset Management LLC	740,554	$8,472	12/31/2023
IRWD	740,554	$8,472	12/31/2023
Rafferty Asset Management LLC	701,770	$8,028	12/31/2023
IRWD	701,770	$8,028	12/31/2023
Hodges Capital Management Inc.	863,500	$7,521	03/31/2024
IRWD	863,500	$7,521	03/31/2024
Citadel Advisors LLC		$7,221	12/31/2023
IRWD	495,471	$5,668	12/31/2023
Call	141,900	$1,623	12/31/2023
Put	6,100	$70	12/31/2023
CSS LLC IL		$7,070	12/31/2023
NOTE 1	6,509,000	$7,070	12/31/2023
Two Sigma Investments LP	585,847	$6,702	12/31/2023
IRWD	585,847	$6,702	12/31/2023
BNP Paribas Arbitrage SA	572,947	$6,555	12/31/2023
IRWD	572,947	$6,555	12/31/2023
Invesco Ltd.	558,027	$6,384	12/31/2023
IRWD	558,027	$6,384	12/31/2023
Susquehanna International Group LLP		$5,880	12/31/2023
Call	367,800	$4,208	12/31/2023
IRWD	172,969	$1,979	12/31/2023
Put	26,800	$307	12/31/2023
Brandywine Global Investment Management LLC	478,605	$5,475	12/31/2023
IRWD	478,605	$5,475	12/31/2023
Cubist Systematic Strategies LLC	472,990	$5,411	12/31/2023
IRWD	472,990	$5,411	12/31/2023
Simplex Trading LLC		$5,406	03/31/2024
Call	631,500	$5,500	03/31/2024
Put	10,900	$94	03/31/2024
Rhumbline Advisers	458,743	$5,248	12/31/2023
IRWD	458,743	$5,248	12/31/2023
Deutsche Bank AG	453,725	$5,191	12/31/2023
IRWD	453,725	$5,191	12/31/2023
UBS Group AG	445,308	$5,094	12/31/2023
IRWD	445,308	$5,094	12/31/2023
Legal & General Group Plc	393,228	$4,499	12/31/2023
IRWD	393,228	$4,499	12/31/2023
13D Management LLC	367,649	$4,206	12/31/2023
IRWD	367,649	$4,206	12/31/2023
GMT Capital Corp	356,400	$4,077	12/31/2023
IRWD	356,400	$4,077	12/31/2023
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main	347,016	$3,970	12/31/2023
IRWD	347,016	$3,970	12/31/2023
ExodusPoint Capital Management LP	335,614	$3,839	12/31/2023
IRWD	335,614	$3,839	12/31/2023
Sofinnova Investments Inc.	331,099	$3,788	12/31/2023
IRWD	331,099	$3,788	12/31/2023
Barclays PLC		$3,665	12/31/2023
IRWD	552,568	$6,321	12/31/2023
Put	348,000	$3,981	12/31/2023
Call	115,800	$1,325	12/31/2023
Connor Clark & Lunn Investment Management Ltd.	303,675	$3,474	12/31/2023
IRWD	303,675	$3,474	12/31/2023
First Trust Advisors LP	299,245	$3,423	12/31/2023
IRWD	299,245	$3,423	12/31/2023
Royce & Associates LP	298,763	$3,418	12/31/2023
IRWD	298,763	$3,418	12/31/2023
Jefferies Financial Group Inc.		$3,344	12/31/2023
IRWD	232,081	$2,655	12/31/2023
Call	56,400	$645	12/31/2023
NOTE 1	41,000	$44	12/31/2023
Marshall Wace LLP	287,820	$3,293	12/31/2023
IRWD	287,820	$3,293	12/31/2023
FMR LLC		$3,286	12/31/2023
NOTE 1	2,000,000	$2,167	12/31/2023
IRWD	97,849	$1,119	12/31/2023
Public Sector Pension Investment Board	285,108	$3,262	12/31/2023
IRWD	285,108	$3,262	12/31/2023
Redwood Investment Management LLC	282,619	$3,233	12/31/2023
IRWD	282,619	$3,233	12/31/2023
Swiss National Bank	276,700	$3,165	12/31/2023
IRWD	276,700	$3,165	12/31/2023
QRG Capital Management Inc.	258,971	$2,963	12/31/2023
IRWD	258,971	$2,963	12/31/2023
State of New Jersey Common Pension Fund D	258,524	$2,958	12/31/2023
IRWD	258,524	$2,958	12/31/2023
Healthcare of Ontario Pension Plan Trust Fund	251,500	$2,877	12/31/2023
IRWD	251,500	$2,877	12/31/2023
Guggenheim Capital LLC	240,871	$2,756	12/31/2023
IRWD	240,871	$2,756	12/31/2023
Mercer Global Advisors Inc. ADV	240,434	$2,751	12/31/2023
IRWD	240,434	$2,751	12/31/2023
Voloridge Investment Management LLC	239,832	$2,744	12/31/2023
IRWD	239,832	$2,744	12/31/2023
D. E. Shaw & Co. Inc.	229,030	$2,620	12/31/2023
IRWD	229,030	$2,620	12/31/2023
Russell Investments Group Ltd.	225,620	$2,581	12/31/2023
IRWD	225,620	$2,581	12/31/2023
Alberta Investment Management Corp	210,731	$2,411	12/31/2023
IRWD	210,731	$2,411	12/31/2023
Cowen AND Company LLC	200,578	$2,295	12/31/2023
IRWD	200,578	$2,295	12/31/2023
Moran Wealth Management LLC	200,160	$2,290	12/31/2023
IRWD	200,160	$2,290	12/31/2023
Sei Investments Co.	190,143	$2,175	12/31/2023
IRWD	190,143	$2,175	12/31/2023
HRT Financial LP	189,276	$2,165	12/31/2023
IRWD	189,276	$2,165	12/31/2023
Macquarie Group Ltd.	167,200	$1,913	12/31/2023
IRWD	167,200	$1,913	12/31/2023
Alliancebernstein L.P.	166,931	$1,910	12/31/2023
IRWD	166,931	$1,910	12/31/2023
Arrowstreet Capital Limited Partnership	164,547	$1,882	12/31/2023
IRWD	164,547	$1,882	12/31/2023
Prudential Financial Inc.	158,535	$1,814	12/31/2023
IRWD	158,535	$1,814	12/31/2023
Hillsdale Investment Management Inc.	157,400	$1,801	12/31/2023
IRWD	157,400	$1,801	12/31/2023
UBS Asset Management Americas Inc.	157,002	$1,796	12/31/2023
IRWD	157,002	$1,796	12/31/2023
California State Teachers Retirement System	148,553	$1,699	12/31/2023
IRWD	148,553	$1,699	12/31/2023
Great West Life Assurance Co. Can	146,949	$1,676	12/31/2023
IRWD	146,949	$1,676	12/31/2023
Martingale Asset Management L P	139,858	$1,600	12/31/2023
IRWD	139,858	$1,600	12/31/2023
Advantage Alpha Capital Partners LP	125,705	$1,438	12/31/2023
IRWD	125,705	$1,438	12/31/2023
Thrivent Financial for Lutherans	122,428	$1,401	12/31/2023
IRWD	122,428	$1,401	12/31/2023
Readystate Asset Management LP		$1,381	12/31/2023
NOTE 1	15,000	$1,381	12/31/2023
Parkman Healthcare Partners LLC	120,652	$1,380	12/31/2023
IRWD	120,652	$1,380	12/31/2023
State of Wisconsin Investment Board	119,894	$1,372	12/31/2023
IRWD	119,894	$1,372	12/31/2023
Profund Advisors LLC	119,484	$1,367	12/31/2023
IRWD	119,484	$1,367	12/31/2023
Texas Permanent School Fund	118,688	$1,358	12/31/2023
IRWD	118,688	$1,358	12/31/2023
Voya Investment Management LLC	116,057	$1,328	12/31/2023
IRWD	116,057	$1,328	12/31/2023
Public Employees Retirement System of Ohio	114,094	$1,305	12/31/2023
IRWD	114,094	$1,305	12/31/2023
Artal Group S.A.	110,532	$1,264	12/31/2023
IRWD	110,532	$1,264	12/31/2023
Engineers Gate Manager LP	107,538	$1,230	12/31/2023
IRWD	107,538	$1,230	12/31/2023
Alps Advisors Inc.	107,302	$1,228	12/31/2023
IRWD	107,302	$1,228	12/31/2023
AXA S.A.	106,843	$1,222	12/31/2023
IRWD	106,843	$1,222	12/31/2023
Kennedy Capital Management Inc.	105,898	$1,211	12/31/2023
IRWD	105,898	$1,211	12/31/2023
Fisher Asset Management LLC	103,131	$1,180	12/31/2023
IRWD	103,131	$1,180	12/31/2023
Massachusetts Financial Services Co. MA	98,677	$1,129	12/31/2023
IRWD	98,677	$1,129	12/31/2023
Skandinaviska Enskilda Banken AB publ	98,300	$1,125	12/31/2023
IRWD	98,300	$1,125	12/31/2023
Wellington Management Group LLP	97,418	$1,114	12/31/2023
IRWD	97,418	$1,114	12/31/2023
ClariVest Asset Management LLC	96,498	$1,104	12/31/2023
IRWD	96,498	$1,104	12/31/2023
Creative Planning	90,456	$1,035	12/31/2023
IRWD	90,456	$1,035	12/31/2023
Mirae Asset Global Investments Co. Ltd.	90,161	$1,031	12/31/2023
IRWD	90,161	$1,031	12/31/2023
Ensign Peak Advisors Inc	89,700	$1,026	12/31/2023
IRWD	89,700	$1,026	12/31/2023
Squarepoint Ops LLC	87,373	$1,000	12/31/2023
IRWD	87,373	$1,000	12/31/2023
AQR Capital Management LLC	81,801	$936	12/31/2023
IRWD	81,801	$936	12/31/2023
Price T Rowe Associates Inc. MD	80,584	$922	12/31/2023
IRWD	80,584	$922	12/31/2023
Qube Research & Technologies Ltd	79,168	$906	12/31/2023
IRWD	79,168	$906	12/31/2023
State of Tennessee Treasury Department	76,501	$875	12/31/2023
IRWD	76,501	$875	12/31/2023
American International Group Inc.	75,357	$862	12/31/2023
IRWD	75,357	$862	12/31/2023
Group One Trading L.P.		$851	12/31/2023
Call	83,800	$959	12/31/2023
Put	9,400	$108	12/31/2023
Schonfeld Strategic Advisors LLC	72,976	$835	12/31/2023
IRWD	72,976	$835	12/31/2023
The Manufacturers Life Insurance Company	71,848	$822	12/31/2023
IRWD	71,848	$822	12/31/2023
MetLife Investment Management LLC	71,570	$819	12/31/2023
IRWD	71,570	$819	12/31/2023
Janus Henderson Group PLC	66,973	$766	12/31/2023
IRWD	66,973	$766	12/31/2023
Caption Management LLC		$744	12/31/2023
Call	125,000	$1,430	12/31/2023
Put	60,000	$686	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	85,343	$743	03/31/2024
IRWD	85,343	$743	03/31/2024
Duality Advisers LP	64,842	$742	12/31/2023
IRWD	64,842	$742	12/31/2023
State of Alaska Department of Revenue	83,698	$729	03/31/2024
IRWD	83,698	$729	03/31/2024
Hussman Strategic Advisors Inc.	63,000	$721	12/31/2023
IRWD	63,000	$721	12/31/2023
Gotham Asset Management LLC	62,051	$710	12/31/2023
IRWD	62,051	$710	12/31/2023
Oak Associates Ltd. OH	61,384	$702	12/31/2023
IRWD	61,384	$702	12/31/2023
Allspring Global Investments Holdings LLC	79,361	$691	03/31/2024
IRWD	79,361	$691	03/31/2024
Old West Investment Management LLC	56,921	$651	12/31/2023
IRWD	56,921	$651	12/31/2023
Yousif Capital Management LLC	56,398	$645	12/31/2023
IRWD	56,398	$645	12/31/2023
Comerica Bank		$639	12/31/2023
IRWD	55,404	$634	12/31/2023
COMMON	5,000	$5	12/31/2023
SummerHaven Investment Management LLC	69,539	$606	03/31/2024
IRWD	69,539	$606	03/31/2024
HighTower Advisors LLC	52,339	$601	12/31/2023
IRWD	52,339	$601	12/31/2023
New Vernon Capital Holdings II LLC	52,443	$600	12/31/2023
IRWD	52,443	$600	12/31/2023
Louisiana State Employees Retirement System	68,000	$592	03/31/2024
IRWD	68,000	$592	03/31/2024
Brevan Howard Capital Management LP	48,628	$556	12/31/2023
IRWD	48,628	$556	12/31/2023
Handelsbanken Fonder AB	47,855	$547	12/31/2023
IRWD	47,855	$547	12/31/2023
Cipher Capital LP	47,548	$544	12/31/2023
IRWD	47,548	$544	12/31/2023
XTX Topco Ltd	46,445	$531	12/31/2023
IRWD	46,445	$531	12/31/2023
Royal Bank of Canada	44,828	$513	12/31/2023
IRWD	44,828	$513	12/31/2023
Wells Fargo & Company MN		$509	12/31/2023
IRWD	44,430	$508	12/31/2023
NOTE 1	1,000	$1	12/31/2023
State Board of Administration of Florida Retirement System	44,394	$508	12/31/2023
IRWD	44,394	$508	12/31/2023
Teachers Retirement System of The State of Kentucky	44,349	$507	12/31/2023
IRWD	44,349	$507	12/31/2023
EMC Capital Management	43,315	$496	12/31/2023
IRWD	43,315	$496	12/31/2023
Point72 Middle East FZE	42,902	$491	12/31/2023
IRWD	42,902	$491	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	55,867	$487	03/31/2024
IRWD	55,867	$487	03/31/2024
Prairiewood Capital LLC	41,081	$470	12/31/2023
IRWD	41,081	$470	12/31/2023
Oregon Public Employees Retirement Fund	40,116	$459	12/31/2023
IRWD	40,116	$459	12/31/2023
New York State Teachers Retirement System	52,420	$457	03/31/2024
IRWD	52,420	$457	03/31/2024
US Bancorp DE	39,840	$456	12/31/2023
IRWD	39,840	$456	12/31/2023
Arizona State Retirement System	39,255	$449	12/31/2023
IRWD	39,255	$449	12/31/2023
Maryland State Retirement & Pension System	49,935	$435	03/31/2024
IRWD	49,935	$435	03/31/2024
E Fund Management Co. Ltd.	37,687	$431	12/31/2023
IRWD	37,687	$431	12/31/2023
Intrinsic Value Partners LLC	47,745	$416	03/31/2024
IRWD	47,745	$416	03/31/2024
Broderick Brian C	36,000	$412	12/31/2023
IRWD	36,000	$412	12/31/2023
ProShare Advisors LLC	35,966	$411	12/31/2023
IRWD	35,966	$411	12/31/2023
Corton Capital Inc.	34,691	$397	12/31/2023
IRWD	34,691	$397	12/31/2023
Jump Financial LLC	33,963	$389	12/31/2023
IRWD	33,963	$389	12/31/2023
CWM Advisors LLC	33,777	$386	12/31/2023
IRWD	33,777	$386	12/31/2023
Amalgamated Bank	43,209	$376	03/31/2024
IRWD	43,209	$376	03/31/2024
Teacher Retirement System of Texas	32,469	$371	12/31/2023
IRWD	32,469	$371	12/31/2023
Shell Asset Management Co.	31,352	$359	12/31/2023
IRWD	31,352	$359	12/31/2023
Captrust Financial Advisors	29,763	$340	12/31/2023
IRWD	29,763	$340	12/31/2023
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	29,648	$339	12/31/2023
IRWD	29,648	$339	12/31/2023
Hsbc Holdings PLC	29,657	$338	12/31/2023
IRWD	29,657	$338	12/31/2023
Grimes & Company Inc.	37,759	$329	03/31/2024
IRWD	37,759	$329	03/31/2024
Zurcher Kantonalbank Zurich Cantonalbank	37,815	$329	03/31/2024
IRWD	37,815	$329	03/31/2024
Franklin Resources Inc.	28,578	$327	12/31/2023
IRWD	28,578	$327	12/31/2023
Virtus ETF Advisers LLC	28,489	$326	12/31/2023
IRWD	28,489	$326	12/31/2023
Twinbeech Capital LP	28,159	$322	12/31/2023
IRWD	28,159	$322	12/31/2023
MQS Management LLC	27,908	$319	12/31/2023
IRWD	27,908	$319	12/31/2023
Mariner LLC	26,936	$308	12/31/2023
IRWD	26,936	$308	12/31/2023
NinePointTwo Capital	26,046	$297	12/31/2023
IRWD	26,046	$297	12/31/2023
Virtus Investment Advisers Inc.		$286	12/31/2023
IRWD	21,173	$242	12/31/2023
NOTE 0	42,000	$44	12/31/2023
Public Employees Retirement Association of Colorado	24,883	$285	12/31/2023
IRWD	24,883	$285	12/31/2023
Quent Capital LLC	24,500	$280	12/31/2023
IRWD	24,500	$280	12/31/2023
Mutual of America Capital Management LLC	24,048	$275	12/31/2023
IRWD	24,048	$275	12/31/2023
AXQ Capital LP	23,100	$264	12/31/2023
IRWD	23,100	$264	12/31/2023
O Shaughnessy Asset Management LLC	22,241	$254	12/31/2023
IRWD	22,241	$254	12/31/2023
Aigen Investment Management LP	21,270	$243	12/31/2023
IRWD	21,270	$243	12/31/2023
Gerber LLC	27,600	$240	03/31/2024
IRWD	27,600	$240	03/31/2024
Robeco Institutional Asset Management B.V.	27,336	$238	03/31/2024
IRWD	27,336	$238	03/31/2024
Amundi	18,892	$236	12/31/2023
IRWD	18,892	$236	12/31/2023
Everence Capital Management Inc.	20,430	$234	12/31/2023
IRWD	20,430	$234	12/31/2023
Vident Advisory LLC	19,619	$224	12/31/2023
IRWD	19,619	$224	12/31/2023
China Universal Asset Management Co. Ltd.	18,061	$207	12/31/2023
IRWD	18,061	$207	12/31/2023
Quantedge Capital Pte Ltd	17,400	$199	12/31/2023
IRWD	17,400	$199	12/31/2023
Pictet Asset Management Holding SA	16,495	$189	12/31/2023
IRWD	16,495	$189	12/31/2023
Lazard Asset Management LLC	15,402	$176	12/31/2023
IRWD	15,402	$176	12/31/2023
Oracle Alpha Inc.	15,175	$174	12/31/2023
IRWD	15,175	$174	12/31/2023
Xponance Inc.	14,156	$162	12/31/2023
IRWD	14,156	$162	12/31/2023
Ameritas Investment Partners Inc.	13,773	$158	12/31/2023
IRWD	13,773	$158	12/31/2023
GW Henssler & Associates Ltd.	13,821	$158	12/31/2023
IRWD	13,821	$158	12/31/2023
Bank of Montreal Can	13,583	$156	12/31/2023
IRWD	13,583	$156	12/31/2023
Tokio Marine Asset Management Co. Ltd.	12,800	$146	12/31/2023
IRWD	12,800	$146	12/31/2023
Raymond James Financial Services Advisors Inc.	15,330	$134	03/31/2024
IRWD	15,330	$134	03/31/2024
Vestcor Inc	11,627	$133	12/31/2023
IRWD	11,627	$133	12/31/2023
State of Wyoming	11,403	$130	12/31/2023
IRWD	11,403	$130	12/31/2023
Envestnet Asset Management Inc.	10,827	$124	12/31/2023
IRWD	10,827	$124	12/31/2023
Mackenzie Financial Corp	10,460	$120	12/31/2023
IRWD	10,460	$120	12/31/2023
Ethic Inc.	10,496	$120	12/31/2023
IRWD	10,496	$120	12/31/2023
LPL Financial LLC	10,350	$118	12/31/2023
IRWD	10,350	$118	12/31/2023
Quadrant Capital Group LLC	8,578	$98	12/31/2023
IRWD	8,578	$98	12/31/2023
Hennion & Walsh Asset Management Inc.	11,187	$97	03/31/2024
IRWD	11,187	$97	03/31/2024
Metropolitan Life Insurance Co NY	7,769	$89	12/31/2023
IRWD	7,769	$89	12/31/2023
Quantbot Technologies LP	7,400	$85	12/31/2023
IRWD	7,400	$85	12/31/2023
Advisor Group Holdings Inc.	6,231	$71	12/31/2023
IRWD	6,231	$71	12/31/2023
Banque Cantonale Vaudoise	7,185	$63	03/31/2024
IRWD	7,185	$63	03/31/2024
Tower Research Capital LLC TRC	5,382	$62	12/31/2023
IRWD	5,382	$62	12/31/2023
Cetera Advisors LLC		$57	12/31/2023
NOTE 1	53,000	$57	12/31/2023
KBC Group NV	4,768	$55	12/31/2023
IRWD	4,768	$55	12/31/2023
The PNC Financial Services Group Inc.	4,383	$50	12/31/2023
IRWD	4,383	$50	12/31/2023
Point72 Asia Singapore Pte. Ltd.	4,011	$46	12/31/2023
IRWD	4,011	$46	12/31/2023
Chiron Investment Management LLC	3,442	$39	12/31/2023
IRWD	3,442	$39	12/31/2023
CWM LLC	4,255	$37	03/31/2024
IRWD	4,255	$37	03/31/2024
Daiwa Securities Group Inc.	2,473	$29	12/31/2023
IRWD	2,473	$29	12/31/2023
Signaturefd LLC	2,160	$25	12/31/2023
IRWD	2,160	$25	12/31/2023
Advisory Services Network LLC	2,118	$24	12/31/2023
IRWD	2,118	$24	12/31/2023
Parallel Advisors LLC	1,922	$22	12/31/2023
IRWD	1,922	$22	12/31/2023
GAMMA Investing LLC	2,370	$21	03/31/2024
IRWD	2,370	$21	03/31/2024
EntryPoint Capital LLC	1,715	$20	12/31/2023
IRWD	1,715	$20	12/31/2023
Cetera Advisor Networks LLC		$18	12/31/2023
NOTE 1	17,000	$18	12/31/2023
Nisa Investment Advisors LLC	1,375	$16	12/31/2023
IRWD	1,375	$16	12/31/2023
Northwestern Mutual Wealth Management Co.		$16	12/31/2023
NOTE 1	6,000	$7	12/31/2023
NOTE 0	6,000	$6	12/31/2023
IRWD	290	$3	12/31/2023
Principal Securities Inc.	1,155	$13	12/31/2023
IRWD	1,155	$13	12/31/2023
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	1,043	$13	12/31/2023
IRWD	1,043	$13	12/31/2023
Lindbrook Capital LLC	966	$8	03/31/2024
IRWD	966	$8	03/31/2024
Bessemer Group Inc.	666	$7	12/31/2023
IRWD	666	$7	12/31/2023
NewSquare Capital LLC	595	$7	12/31/2023
IRWD	595	$7	12/31/2023
Planning Capital Management Corp	253	$3	12/31/2023
IRWD	253	$3	12/31/2023
Glassman Wealth Services	169	$2	12/31/2023
IRWD	169	$2	12/31/2023
Garner Asset Management Corp	150	$2	12/31/2023
IRWD	150	$2	12/31/2023
Bell Investment Advisors Inc	216	$2	12/31/2023
IRWD	216	$2	12/31/2023
Massmutual Trust Co. FSB ADV	74	$1	03/31/2024
IRWD	74	$1	03/31/2024
Farmers & Merchants Investments Inc.	101	$1	03/31/2024
IRWD	101	$1	03/31/2024
Versant Capital Management Inc	60	$1	03/31/2024
IRWD	60	$1	03/31/2024
First Pacific Financial	89	$1	03/31/2024
IRWD	89	$1	03/31/2024
City State Bank	100	$1	03/31/2024
IRWD	100	$1	03/31/2024
Clean Yield Group	85	$1	12/31/2023
IRWD	85	$1	12/31/2023
JFS Wealth Advisors LLC	93	$1	12/31/2023
IRWD	93	$1	12/31/2023
RFP Financial Group LLC	47	$1	12/31/2023
IRWD	47	$1	12/31/2023
Farther Finance Advisors LLC	85	$1	12/31/2023
IRWD	85	$1	12/31/2023
Private Wealth Management Group LLC	114	$1	12/31/2023
IRWD	114	$1	12/31/2023
Fifth Third Bancorp	17	$0	03/31/2024
IRWD	17	$0	03/31/2024
Allworth Financial LP	13	$0	03/31/2024
IRWD	13	$0	03/31/2024
Global Retirement Partners LLC	16	$0	03/31/2024
IRWD	16	$0	03/31/2024
SJS Investment Consulting Inc.	25	$0	03/31/2024
IRWD	25	$0	03/31/2024
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
IRWD	0	$0	12/31/2023
NOTE 0	0	$0	12/31/2023
NOTE 1	0	$0	12/31/2023
Natixis	2	$0	12/31/2023
IRWD	2	$0	12/31/2023
Assetmark Inc.	17	$0	12/31/2023
IRWD	17	$0	12/31/2023
Covestor Ltd	14	$0	12/31/2023
IRWD	14	$0	12/31/2023
DiNuzzo Private Wealth Inc.	17	$0	12/31/2023
IRWD	17	$0	12/31/2023
Sio Capital Management LLC	163,400	$-1,869	12/31/2023
Put	163,400	$1,869	12/31/2023

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

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IRWD — Performance