There is a long list of 167 institutional holders of AGEN within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of AGEN by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-AGEN table below, the initial column indicates the name of each top institutional holder of AGEN, with a link to that fund's top holdings. The next columns indicate the amount of AGEN stock held by each of the institutional holders of AGEN, followed by the AGEN position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	32,236,488	$26,689	12/31/2023
AGEN	32,236,488	$26,689	12/31/2023
Deep Track Capital LP	31,697,539	$26,242	12/31/2023
AGEN	31,697,539	$26,242	12/31/2023
Vanguard Group Inc.	30,266,890	$25,058	12/31/2023
AGEN	30,266,890	$25,058	12/31/2023
Sofinnova Investments Inc.		$14,287	12/31/2023
AGEN	15,656,234	$12,962	12/31/2023
Call	1,600,000	$1,325	12/31/2023
Artal Group S.A.	15,631,235	$12,941	12/31/2023
AGEN	15,631,235	$12,941	12/31/2023
Point72 Asset Management L.P.	11,985,200	$9,923	12/31/2023
AGEN	11,985,200	$9,923	12/31/2023
State Street Corp	8,680,267	$7,186	12/31/2023
AGEN	8,680,267	$7,186	12/31/2023
Millennium Management LLC	8,382,951	$6,940	12/31/2023
AGEN	8,382,951	$6,940	12/31/2023
Geode Capital Management LLC	7,907,561	$6,547	12/31/2023
AGEN	7,907,561	$6,547	12/31/2023
Renaissance Technologies LLC	6,034,415	$4,996	12/31/2023
AGEN	6,034,415	$4,996	12/31/2023
Qube Research & Technologies Ltd	3,959,068	$3,278	12/31/2023
AGEN	3,959,068	$3,278	12/31/2023
Northern Trust Corp	3,482,042	$2,883	12/31/2023
AGEN	3,482,042	$2,883	12/31/2023
D. E. Shaw & Co. Inc.	3,040,131	$2,517	12/31/2023
AGEN	3,040,131	$2,517	12/31/2023
Goldman Sachs Group Inc.	2,893,617	$2,396	12/31/2023
AGEN	2,893,617	$2,396	12/31/2023
Charles Schwab Investment Management Inc.	2,732,853	$2,263	12/31/2023
AGEN	2,732,853	$2,263	12/31/2023
Morgan Stanley	2,588,697	$2,143	12/31/2023
AGEN	2,588,697	$2,143	12/31/2023
GSA Capital Partners LLP	2,399,732	$1,987	12/31/2023
AGEN	2,399,732	$1,987	12/31/2023
Readystate Asset Management LP	2,016,783	$1,670	12/31/2023
AGEN	2,016,783	$1,670	12/31/2023
Group One Trading L.P.		$1,421	12/31/2023
Call	1,457,500	$1,207	12/31/2023
AGEN	289,268	$239	12/31/2023
Put	29,600	$25	12/31/2023
UBS Oconnor LLC	1,628,394	$1,348	12/31/2023
AGEN	1,628,394	$1,348	12/31/2023
Citadel Advisors LLC		$1,175	12/31/2023
AGEN	1,082,459	$896	12/31/2023
Call	385,700	$319	12/31/2023
Put	48,400	$40	12/31/2023
Oracle Investment Management Inc.	1,416,963	$1,173	12/31/2023
AGEN	1,416,963	$1,173	12/31/2023
Bank of America Corp DE	1,337,623	$1,106	12/31/2023
AGEN	1,337,623	$1,106	12/31/2023
Jane Street Group LLC		$999	12/31/2023
AGEN	1,131,168	$936	12/31/2023
Call	65,100	$63	12/31/2023
Two Sigma Investments LP	1,203,163	$996	12/31/2023
AGEN	1,203,163	$996	12/31/2023
Susquehanna International Group LLP		$967	12/31/2023
AGEN	598,116	$495	12/31/2023
Call	595,900	$495	12/31/2023
Put	27,300	$23	12/31/2023
Nuveen Asset Management LLC	1,148,233	$951	12/31/2023
AGEN	1,148,233	$951	12/31/2023
Panagora Asset Management Inc.	1,142,347	$946	12/31/2023
AGEN	1,142,347	$946	12/31/2023
Wells Fargo & Company MN	1,011,252	$837	12/31/2023
AGEN	1,011,252	$837	12/31/2023
Bank of New York Mellon Corp	1,386,408	$804	03/31/2024
AGEN	1,386,408	$804	03/31/2024
Crestline Management LP	708,480	$587	12/31/2023
AGEN	708,480	$587	12/31/2023
Swiss National Bank	635,800	$526	12/31/2023
AGEN	635,800	$526	12/31/2023
Laurion Capital Management LP	628,215	$520	12/31/2023
AGEN	628,215	$520	12/31/2023
FMR LLC	624,120	$517	12/31/2023
AGEN	624,120	$517	12/31/2023
Barclays PLC	610,004	$505	12/31/2023
AGEN	610,004	$505	12/31/2023
Key Client Fiduciary Advisors LLC	858,969	$498	03/31/2024
AGEN	858,969	$498	03/31/2024
UBS Group AG	579,339	$480	12/31/2023
AGEN	579,339	$480	12/31/2023
Rhumbline Advisers	522,820	$433	12/31/2023
AGEN	522,820	$433	12/31/2023
Putnam Investments LLC	514,617	$426	12/31/2023
AGEN	514,617	$426	12/31/2023
Credit Suisse AG	488,190	$404	12/31/2023
AGEN	488,190	$404	12/31/2023
Pennant Investors LP	469,600	$389	12/31/2023
AGEN	469,600	$389	12/31/2023
AQR Capital Management LLC	461,585	$382	12/31/2023
AGEN	461,585	$382	12/31/2023
UBS Asset Management Americas Inc.	454,281	$376	12/31/2023
AGEN	454,281	$376	12/31/2023
Hennion & Walsh Asset Management Inc.	558,606	$324	03/31/2024
AGEN	558,606	$324	03/31/2024
Tudor Investment Corp Et Al	375,627	$311	12/31/2023
AGEN	375,627	$311	12/31/2023
Great West Life Assurance Co. Can	376,179	$309	12/31/2023
AGEN	376,179	$309	12/31/2023
HighTower Advisors LLC	363,065	$298	12/31/2023
AGEN	363,065	$298	12/31/2023
California State Teachers Retirement System	349,952	$290	12/31/2023
AGEN	349,952	$290	12/31/2023
Exchange Traded Concepts LLC	475,130	$276	03/31/2024
AGEN	475,130	$276	03/31/2024
Legal & General Group Plc	323,638	$268	12/31/2023
AGEN	323,638	$268	12/31/2023