On this page, we present all of the funds holding AKRO from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding AKRO, with a link to that fund's top holdings. The next columns indicate the amount of AKRO stock held by each of the funds holding AKRO, followed by the AKRO position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 159 funds holding AKRO within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Janus Henderson Group PLC. For more details on the positions held by Janus Henderson Group PLC (or by any of the other funds holding AKRO), click the fund name in the "Holder" column of the funds-holding-AKRO table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Janus Henderson Group PLC	3,811,676	$145,826	03/31/2023
AKRO	3,811,676	$145,826	03/31/2023
Skorpios Trust	3,271,829	$125,180	03/31/2023
AKRO	3,271,829	$125,180	03/31/2023
Alkeon Capital Management LLC	3,220,730	$123,225	03/31/2023
AKRO	3,220,730	$123,225	03/31/2023
BlackRock Inc.	2,783,377	$106,492	03/31/2023
AKRO	2,783,377	$106,492	03/31/2023
Price T Rowe Associates Inc. MD	2,623,680	$100,383	03/31/2023
AKRO	2,623,680	$100,383	03/31/2023
Avidity Partners Management LP	2,447,000	$93,622	03/31/2023
AKRO	2,447,000	$93,622	03/31/2023
Adage Capital Partners GP L.L.C.	2,389,891	$91,437	03/31/2023
AKRO	2,389,891	$91,437	03/31/2023
Baker BROS. Advisors LP	2,368,378	$90,614	03/31/2023
AKRO	2,368,378	$90,614	03/31/2023
State Street Corp	2,230,807	$85,351	03/31/2023
AKRO	2,230,807	$85,351	03/31/2023
Vanguard Group Inc.	2,138,893	$81,834	03/31/2023
AKRO	2,138,893	$81,834	03/31/2023
Redmile Group LLC	2,044,389	$78,218	03/31/2023
AKRO	2,044,389	$78,218	03/31/2023
Rock Springs Capital Management LP	1,454,254	$55,640	03/31/2023
AKRO	1,454,254	$55,640	03/31/2023
Yiheng Capital Management L.P.		$49,340	03/31/2023
AKRO	1,125,791	$43,073	03/31/2023
Call	163,800	$6,267	03/31/2023
Wellington Management Group LLP	1,160,542	$44,402	03/31/2023
AKRO	1,160,542	$44,402	03/31/2023
FMR LLC	1,141,285	$43,666	03/31/2023
AKRO	1,141,285	$43,666	03/31/2023
Marshall Wace LLP	1,081,725	$41,387	03/31/2023
AKRO	1,081,725	$41,387	03/31/2023
Citadel Advisors LLC		$33,826	03/31/2023
AKRO	855,708	$32,739	03/31/2023
Call	52,900	$2,024	03/31/2023
Put	24,500	$937	03/31/2023
Boxer Capital LLC	831,495	$31,813	03/31/2023
AKRO	831,495	$31,813	03/31/2023
Commodore Capital LP	790,000	$30,225	03/31/2023
AKRO	790,000	$30,225	03/31/2023
Geode Capital Management LLC	665,927	$25,478	03/31/2023
AKRO	665,927	$25,478	03/31/2023
Atlas Venture Life Science Advisors LLC	594,251	$22,736	03/31/2023
AKRO	594,251	$22,736	03/31/2023
Perceptive Advisors LLC	523,525	$20,030	03/31/2023
AKRO	523,525	$20,030	03/31/2023
Deutsche Bank AG	519,575	$19,879	03/31/2023
AKRO	519,575	$19,879	03/31/2023
Logos Global Management LP	400,000	$15,304	03/31/2023
AKRO	400,000	$15,304	03/31/2023
Eventide Asset Management LLC	379,120	$14,505	03/31/2023
AKRO	379,120	$14,505	03/31/2023
D. E. Shaw & Co. Inc.	368,011	$14,080	03/31/2023
AKRO	368,011	$14,080	03/31/2023
Northern Trust Corp	357,767	$13,688	03/31/2023
AKRO	357,767	$13,688	03/31/2023
Morgan Stanley	357,593	$13,682	03/31/2023
AKRO	357,593	$13,682	03/31/2023
Hillhouse Capital Advisors LTD.	295,502	$11,306	03/31/2023
AKRO	295,502	$11,306	03/31/2023
Dimensional Fund Advisors LP	283,516	$10,847	03/31/2023
AKRO	283,516	$10,847	03/31/2023
Ghost Tree Capital LLC	275,000	$10,522	03/31/2023
AKRO	275,000	$10,522	03/31/2023
Charles Schwab Investment Management Inc.	238,347	$9,119	03/31/2023
AKRO	238,347	$9,119	03/31/2023
Artisan Partners Limited Partnership	237,863	$9,101	03/31/2023
AKRO	237,863	$9,101	03/31/2023
Bank of America Corp DE	231,421	$8,854	03/31/2023
AKRO	231,421	$8,854	03/31/2023
Goldman Sachs Group Inc.	223,291	$8,543	03/31/2023
AKRO	223,291	$8,543	03/31/2023
JPMorgan Chase & Co.		$8,240	03/31/2023
AKRO	211,468	$8,091	03/31/2023
Call	15,000	$574	03/31/2023
Put	11,100	$425	03/31/2023
Victory Capital Management Inc.	203,582	$7,789	03/31/2023
AKRO	203,582	$7,789	03/31/2023
Silverarc Capital Management LLC	202,561	$7,750	03/31/2023
AKRO	202,561	$7,750	03/31/2023
Ensign Peak Advisors Inc	175,564	$6,717	03/31/2023
AKRO	175,564	$6,717	03/31/2023
Renaissance Technologies LLC	168,900	$6,462	03/31/2023
AKRO	168,900	$6,462	03/31/2023
Rafferty Asset Management LLC	164,503	$6,294	03/31/2023
AKRO	164,503	$6,294	03/31/2023
Long Focus Capital Management LLC	164,000	$6,275	03/31/2023
AKRO	164,000	$6,275	03/31/2023
Citigroup Inc.	133,517	$5,108	03/31/2023
AKRO	133,517	$5,108	03/31/2023
Bank of New York Mellon Corp	122,592	$4,690	03/31/2023
AKRO	122,592	$4,690	03/31/2023
Jane Street Group LLC		$4,111	03/31/2023
Call	122,700	$4,695	03/31/2023
Put	75,900	$2,904	03/31/2023
AKRO	60,636	$2,320	03/31/2023
Walleye Capital LLC		$4,007	03/31/2023
AKRO	105,432	$4,034	03/31/2023
Put	700	$27	03/31/2023
Candriam Luxembourg S.C.A.	105,000	$3,698	03/31/2023
AKRO	105,000	$3,698	03/31/2023
Nuveen Asset Management LLC	92,379	$3,534	03/31/2023
AKRO	92,379	$3,534	03/31/2023
Tri Locum Partners LP	88,524	$3,387	03/31/2023
AKRO	88,524	$3,387	03/31/2023
Voloridge Investment Management LLC	84,907	$3,249	03/31/2023
AKRO	84,907	$3,249	03/31/2023
Millennium Management LLC		$3,067	03/31/2023
Call	70,000	$2,678	03/31/2023
AKRO	10,166	$389	03/31/2023
Barclays PLC	77,224	$2,954	03/31/2023
AKRO	77,224	$2,954	03/31/2023
Alliancebernstein L.P.	73,890	$2,827	03/31/2023
AKRO	73,890	$2,827	03/31/2023
Integral Health Asset Management LLC	70,000	$2,678	03/31/2023
AKRO	70,000	$2,678	03/31/2023
Susquehanna International Group LLP		$2,567	03/31/2023
Put	141,600	$5,418	03/31/2023
Call	110,000	$4,209	03/31/2023
AKRO	98,703	$3,776	03/31/2023
Swiss National Bank	65,600	$2,510	03/31/2023
AKRO	65,600	$2,510	03/31/2023
BNP Paribas Arbitrage SA	64,517	$2,468	03/31/2023
AKRO	64,517	$2,468	03/31/2023
Simplify Asset Management Inc.	59,777	$2,287	03/31/2023
AKRO	59,777	$2,287	03/31/2023
Schonfeld Strategic Advisors LLC	59,678	$2,283	03/31/2023
AKRO	59,678	$2,283	03/31/2023
TD Asset Management Inc.	58,022	$2,220	03/31/2023
AKRO	58,022	$2,220	03/31/2023
Federated Hermes Inc.	58,004	$2,219	03/31/2023
AKRO	58,004	$2,219	03/31/2023
The Manufacturers Life Insurance Company	57,658	$2,206	03/31/2023
AKRO	57,658	$2,206	03/31/2023
Rhumbline Advisers	54,871	$2,099	03/31/2023
AKRO	54,871	$2,099	03/31/2023
Ikarian Capital LLC	50,000	$1,913	03/31/2023
AKRO	50,000	$1,913	03/31/2023
Walleye Trading LLC		$1,620	03/31/2023
Call	40,100	$1,534	03/31/2023
AKRO	9,265	$354	03/31/2023
Put	7,000	$268	03/31/2023
California State Teachers Retirement System	39,674	$1,518	03/31/2023
AKRO	39,674	$1,518	03/31/2023
UBS Asset Management Americas Inc.	38,090	$1,457	03/31/2023
AKRO	38,090	$1,457	03/31/2023
Tudor Investment Corp Et Al	36,885	$1,411	03/31/2023
AKRO	36,885	$1,411	03/31/2023
Wells Fargo & Company MN	36,617	$1,401	03/31/2023
AKRO	36,617	$1,401	03/31/2023
Two Sigma Investments LP	34,000	$1,301	03/31/2023
AKRO	34,000	$1,301	03/31/2023
Chicago Partners Investment Group LLC	26,346	$1,185	03/31/2023
AKRO	26,346	$1,185	03/31/2023
Alps Advisors Inc.	30,814	$1,179	03/31/2023
AKRO	30,814	$1,179	03/31/2023
Profund Advisors LLC	30,578	$1,170	03/31/2023
AKRO	30,578	$1,170	03/31/2023
State of Wisconsin Investment Board	30,119	$1,152	03/31/2023
AKRO	30,119	$1,152	03/31/2023
AQR Capital Management LLC	29,996	$1,148	03/31/2023
AKRO	29,996	$1,148	03/31/2023
Legal & General Group Plc	29,387	$1,124	03/31/2023
AKRO	29,387	$1,124	03/31/2023
EAM Investors LLC	23,907	$1,083	03/31/2023
AKRO	23,907	$1,083	03/31/2023
Credit Suisse AG	28,081	$1,074	03/31/2023
AKRO	28,081	$1,074	03/31/2023
New York State Common Retirement Fund	27,682	$1,059	03/31/2023
AKRO	27,682	$1,059	03/31/2023
UBS Group AG		$1,015	03/31/2023
AKRO	93,432	$3,575	03/31/2023
Put	66,900	$2,560	03/31/2023
Voya Investment Management LLC	26,405	$1,010	03/31/2023
AKRO	26,405	$1,010	03/31/2023
Bellevue Group AG	26,100	$999	03/31/2023
AKRO	26,100	$999	03/31/2023
Algert Global LLC	22,564	$863	03/31/2023
AKRO	22,564	$863	03/31/2023
Mirae Asset Global Investments Co. Ltd.	22,487	$860	03/31/2023
AKRO	22,487	$860	03/31/2023
DekaBank Deutsche Girozentrale	21,600	$812	03/31/2023
AKRO	21,600	$812	03/31/2023
Twinbeech Capital LP	20,595	$788	03/31/2023
AKRO	20,595	$788	03/31/2023
Squarepoint Ops LLC	20,091	$769	03/31/2023
AKRO	20,091	$769	03/31/2023
Cubist Systematic Strategies LLC	19,778	$757	03/31/2023
AKRO	19,778	$757	03/31/2023
Alpha Paradigm Partners LLC	13,073	$716	12/31/2022
AKRO	13,073	$716	12/31/2022
Invesco Ltd.	18,653	$714	03/31/2023
AKRO	18,653	$714	03/31/2023
HighVista Strategies LLC	18,629	$713	03/31/2023
AKRO	18,629	$713	03/31/2023
MetLife Investment Management LLC	18,279	$699	03/31/2023
AKRO	18,279	$699	03/31/2023
Two Sigma Advisers LP	18,200	$696	03/31/2023
AKRO	18,200	$696	03/31/2023
Hillsdale Investment Management Inc.	17,900	$685	03/31/2023
AKRO	17,900	$685	03/31/2023
American International Group Inc.	16,825	$644	03/31/2023
AKRO	16,825	$644	03/31/2023
Group One Trading L.P.		$641	03/31/2023
Call	18,300	$700	03/31/2023
Put	1,700	$65	03/31/2023
AKRO	147	$6	03/31/2023
HRT Financial LP	16,489	$630	03/31/2023
AKRO	16,489	$630	03/31/2023
Ergoteles LLC	15,822	$605	03/31/2023
AKRO	15,822	$605	03/31/2023
Capital Fund Management S.A.	15,231	$583	03/31/2023
AKRO	15,231	$583	03/31/2023
Simplex Trading LLC		$513	03/31/2023
Call	21,000	$803	03/31/2023
Put	15,200	$581	03/31/2023
AKRO	7,614	$291	03/31/2023
Sei Investments Co.	11,600	$444	03/31/2023
AKRO	11,600	$444	03/31/2023
Principal Financial Group Inc.	10,660	$408	03/31/2023
AKRO	10,660	$408	03/31/2023
Boothbay Fund Management LLC	10,035	$384	03/31/2023
AKRO	10,035	$384	03/31/2023
State Board of Administration of Florida Retirement System	9,460	$362	03/31/2023
AKRO	9,460	$362	03/31/2023
Teacher Retirement System of Texas	9,364	$358	03/31/2023
AKRO	9,364	$358	03/31/2023
E Fund Management Co. Ltd.	9,340	$357	03/31/2023
AKRO	9,340	$357	03/31/2023
Arizona State Retirement System	8,807	$337	03/31/2023
AKRO	8,807	$337	03/31/2023
Engineers Gate Manager LP	8,718	$334	03/31/2023
AKRO	8,718	$334	03/31/2023
Fox Run Management L.L.C.	7,924	$303	03/31/2023
AKRO	7,924	$303	03/31/2023
XTX Topco Ltd	7,470	$286	03/31/2023
AKRO	7,470	$286	03/31/2023
ProShare Advisors LLC	7,345	$281	03/31/2023
AKRO	7,345	$281	03/31/2023
Bailard Inc.	7,227	$277	03/31/2023
AKRO	7,227	$277	03/31/2023
Woodmont Investment Counsel LLC	7,120	$272	03/31/2023
AKRO	7,120	$272	03/31/2023
Handelsbanken Fonder AB	6,900	$264	03/31/2023
AKRO	6,900	$264	03/31/2023
J. Goldman & Co LP		$260	03/31/2023
Call	6,800	$260	03/31/2023
Wolverine Trading LLC		$256	03/31/2023
Call	9,100	$344	03/31/2023
Put	8,800	$333	03/31/2023
AKRO	6,488	$245	03/31/2023
SG Americas Securities LLC	6,488	$248	03/31/2023
AKRO	6,488	$248	03/31/2023
Boulder Hill Capital Management LP	5,900	$226	03/31/2023
AKRO	5,900	$226	03/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	5,868	$225	03/31/2023
AKRO	5,868	$225	03/31/2023
Parallel Advisors LLC	5,760	$220	03/31/2023
AKRO	5,760	$220	03/31/2023
Ameriprise Financial Inc.	5,632	$215	03/31/2023
AKRO	5,632	$215	03/31/2023
Verition Fund Management LLC	5,360	$205	03/31/2023
AKRO	5,360	$205	03/31/2023
Tower Research Capital LLC TRC	3,935	$150	03/31/2023
AKRO	3,935	$150	03/31/2023
Amalgamated Bank	3,759	$144	03/31/2023
AKRO	3,759	$144	03/31/2023
Cambridge Trust Co.	3,500	$134	03/31/2023
AKRO	3,500	$134	03/31/2023
Royal Bank of Canada	3,325	$127	03/31/2023
AKRO	3,325	$127	03/31/2023
US Bancorp DE	3,225	$123	03/31/2023
AKRO	3,225	$123	03/31/2023
Ameritas Investment Partners Inc.	2,790	$107	03/31/2023
AKRO	2,790	$107	03/31/2023
Virtus ETF Advisers LLC	2,289	$88	03/31/2023
AKRO	2,289	$88	03/31/2023
Signaturefd LLC	2,030	$78	03/31/2023
AKRO	2,030	$78	03/31/2023
Metropolitan Life Insurance Co NY	1,981	$76	03/31/2023
AKRO	1,981	$76	03/31/2023
Great West Life Assurance Co. Can	1,486	$57	03/31/2023
AKRO	1,486	$57	03/31/2023
Lindbrook Capital LLC	1,454	$56	03/31/2023
AKRO	1,454	$56	03/31/2023
Advisor Group Holdings Inc.	1,450	$55	03/31/2023
AKRO	1,450	$55	03/31/2023
Allspring Global Investments Holdings LLC	1,347	$52	03/31/2023
AKRO	1,347	$52	03/31/2023
Cutler Group LP		$51	03/31/2023
Call	12,300	$59	03/31/2023
Put	6,800	$8	03/31/2023
Banque Cantonale Vaudoise	1,000	$38	03/31/2023
AKRO	1,000	$38	03/31/2023
Allworth Financial LP	736	$28	03/31/2023
AKRO	736	$28	03/31/2023
China Universal Asset Management Co. Ltd.	634	$24	03/31/2023
AKRO	634	$24	03/31/2023
Quadrant Capital Group LLC	611	$23	03/31/2023
AKRO	611	$23	03/31/2023
Nisa Investment Advisors LLC	501	$19	03/31/2023
AKRO	501	$19	03/31/2023
Crewe Advisors LLC	242	$9	03/31/2023
AKRO	242	$9	03/31/2023
	166	$9	12/31/2022
AKRO	166	$9	12/31/2022
SOA Wealth Advisors LLC.	203	$8	03/31/2023
AKRO	203	$8	03/31/2023
Daiwa Securities Group Inc.	188	$7	03/31/2023
AKRO	188	$7	03/31/2023
First Manhattan Co.	150	$6	03/31/2023
AKRO	150	$6	03/31/2023
Point72 Middle East FZE	124	$5	03/31/2023
AKRO	124	$5	03/31/2023
TCI Wealth Advisors Inc.	105	$4	03/31/2023
AKRO	105	$4	03/31/2023
Ellevest Inc.	100	$4	03/31/2023
AKRO	100	$4	03/31/2023
Russell Investments Group Ltd.	101	$4	03/31/2023
AKRO	101	$4	03/31/2023
CoreCap Advisors LLC	50	$3	12/31/2022
AKRO	50	$3	12/31/2022
CWM LLC	50	$2	03/31/2023
AKRO	50	$2	03/31/2023
Newbridge Financial Services Group Inc.	65	$2	03/31/2023
AKRO	65	$2	03/31/2023
The PNC Financial Services Group Inc.	15	$1	03/31/2023
AKRO	15	$1	03/31/2023
Red Tortoise LLC	30	$1	03/31/2023
AKRO	30	$1	03/31/2023
Proequities Inc.		$0	03/31/2023
Put	0	$0	03/31/2023
AKRO	0	$0	03/31/2023
Call	0	$0	03/31/2023
Covestor Ltd	3	$0	03/31/2023
AKRO	3	$0	03/31/2023
ZRC Wealth Management LLC	10	$0	03/31/2023
AKRO	10	$0	03/31/2023
Caption Management LLC		$-300	03/31/2023
Put	60,000	$2,296	03/31/2023
Call	30,000	$1,148	03/31/2023
AKRO	22,160	$848	03/31/2023
Jefferies Financial Group Inc.	2,226	$-1,028	03/31/2023
Put	29,100	$1,113	03/31/2023
AKRO	2,226	$85	03/31/2023

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

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