Geron Corporation (GERN) Ownership

1.40 ↑0.00 (0.00%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

RA Capital Management, LLC is the biggest individual institutional holder of Geron Corporation (GERN), owning a total of 60.4 million shares. Combined, the top 65 institutional holders of GERN own 128.59% of the company with a total of 797.7 million shares.

In the latest ownership report on June 30th 2025, the top 65 institutional holders increased their combined ownership of GERN by 62.9 million shares. 16 institutions bought 63,420,509 total additional shares and increased their ownership by an average of 101.94%. However 2 institutions sold 514,586 total shares and decreased their ownership by an average of 2.17%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Geron Corporation increased by a net total of 62,905,923 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
RA Capital Management, LLC	9.464%	0.000%	60,379,366	0	2025-06-30
BlackRock Inc	7.841%	1.932%	50,023,485	948,176	2025-06-30
Deep Track Capital, LP	6.740%	12.636%	43,000,000	4,823,749	2025-06-30
Vanguard Group Inc	5.582%	4.297%	35,614,200	1,467,349	2025-06-30
Vivo Capital, LLC	4.267%	0.000%	27,225,292	0	2025-06-30
Vestal Point Capital LP	3.726%	8.042%	23,775,000	1,769,660	2025-06-30
State Street Corp	3.704%	-1.171%	23,631,876	-279,916	2025-06-30
Soleus Capital Management, L.P.	2.530%	572.500%	16,140,000	13,740,000	2025-06-30
ClearBridge Advisors, LLC	2.253%	65.490%	14,376,311	5,689,169	2025-06-30
Geode Capital Management, LLC	2.218%	4.308%	14,152,038	584,444	2025-06-30
Morgan Stanley - Brokerage Accounts	2.084%	15.269%	13,295,442	1,761,204	2025-06-30
Citadel Advisors Llc	1.887%	80.629%	12,035,901	5,372,587	2025-06-30
UBS Group AG	1.841%	125.370%	11,745,012	6,533,579	2025-06-30
Goldman Sachs Group Inc	1.539%	20.642%	9,815,660	1,679,460	2025-06-30
Point72 Asset Management, L.P.	1.506%	34.790%	9,606,217	2,479,399	2025-06-30
Woodline Partners LP	1.254%	3.486%	7,998,188	269,443	2025-06-30
Eversept Partners, LLC	1.147%	0.000%	7,320,174	7,320,174	2025-06-30
Segall Bryant & Hamill	1.127%	-3.160%	7,192,184	-234,670	2025-06-30
Aberdeen Group PLC	1.095%	89.180%	6,985,932	3,293,179	2025-06-30
StemPoint Capital LP	1.042%	592.408%	6,649,244	5,688,937	2025-06-30

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
RA Capital Management, LLC	9.464%	0.000%	60,379,366	0	2025-06-30
BlackRock Inc	7.841%	1.932%	50,023,485	948,176	2025-06-30
RTW INVESTMENTS, LLC	7.297%	0.000%	44,111,916	44,111,916	2024-09-30
Deep Track Capital, LP	6.740%	12.636%	43,000,000	4,823,749	2025-06-30
Vanguard Group Inc	5.582%	4.297%	35,614,200	1,467,349	2025-06-30
State Street Corporation	5.243%	23.331%	31,604,392	5,978,786	2024-03-31
Vivo Capital, LLC	4.267%	0.000%	27,225,292	0	2025-06-30
Vestal Point Capital LP	3.726%	8.042%	23,775,000	1,769,660	2025-06-30
State Street Corp	3.704%	-1.171%	23,631,876	-279,916	2025-06-30
Holocene Advisors, LP	3.485%	22.148%	22,195,909	4,024,559	2024-12-31
Adage Capital Partners Gp LLC	3.423%	-24.502%	21,800,000	-7,075,000	2024-12-31
HHG PLC	2.962%	-30.239%	18,892,975	-8,189,486	2025-03-31
TCG Crossover Management, LLC	2.894%	-25.600%	17,391,639	-5,984,200	2024-03-31
Farallon Capital Management, L.L.C.	2.792%	124.643%	16,837,000	9,342,000	2024-06-30
Soleus Capital Management, L.P.	2.530%	572.500%	16,140,000	13,740,000	2025-06-30
ClearBridge Advisors, LLC	2.253%	65.490%	14,376,311	5,689,169	2025-06-30
Geode Capital Management, LLC	2.218%	4.308%	14,152,038	584,444	2025-06-30
Wellington Management Company LLP	2.121%	6.695%	13,510,114	847,710	2024-12-31
Morgan Stanley - Brokerage Accounts	2.084%	15.269%	13,295,442	1,761,204	2025-06-30
NEA Management Company, LLC	2.126%	-43.905%	12,776,409	-10,000,000	2024-03-31
FMR Inc	1.939%	-13.727%	12,365,344	-1,967,439	2025-03-31
Citadel Advisors Llc	1.887%	80.629%	12,035,901	5,372,587	2025-06-30
UBS Group AG	1.841%	125.370%	11,745,012	6,533,579	2025-06-30
Millennium Management LLC	1.694%	53.620%	10,806,625	3,771,993	2025-03-31
MPM Oncology Impact Management LP	1.743%	-2.239%	10,475,675	-239,945	2024-03-31
Goldman Sachs Group Inc	1.539%	20.642%	9,815,660	1,679,460	2025-06-30
Jefferies Financial Group Inc	1.604%	-51.590%	9,696,535	-10,333,465	2024-09-30
Bank of America Corp	1.519%	148.482%	9,692,359	5,791,732	2025-03-31
Point72 Asset Management, L.P.	1.506%	34.790%	9,606,217	2,479,399	2025-06-30
Darwin Global Management, Ltd.	1.503%	-56.577%	9,569,835	-12,468,938	2024-12-31
Orbimed Advisors, LLC	1.481%	-30.739%	8,930,252	-3,963,359	2024-06-30
Sofinnova Ventures	1.497%	138.066%	8,814,497	5,111,951	2023-12-31
Logos Global Management LP	1.254%	300.000%	8,000,000	6,000,000	2025-03-31
Woodline Partners LP	1.254%	3.486%	7,998,188	269,443	2025-06-30
Eversept Partners, LLC	1.147%	0.000%	7,320,174	7,320,174	2025-06-30
Segall Bryant & Hamill	1.127%	-3.160%	7,192,184	-234,670	2025-06-30
Eventide Asset Management, LLC	1.108%	0.000%	7,072,000	0	2025-03-31
Deutsche Bank AG	1.200%	2,763.480%	7,068,004	6,821,171	2023-12-31
T. Rowe Price Associates, Inc.	1.164%	-37.607%	7,036,618	-4,241,305	2024-09-30
BRAIDWELL LP	1.100%	0.000%	7,006,315	7,006,315	2024-12-31
Aberdeen Group PLC	1.095%	89.180%	6,985,932	3,293,179	2025-06-30
Fairmount Funds Management LLC	1.109%	0.000%	6,666,667	6,666,667	2024-03-31
StemPoint Capital LP	1.042%	592.408%	6,649,244	5,688,937	2025-06-30
Boxer Capital LLC	0.993%	0.000%	6,000,000	0	2024-09-30
Boxer Capital Management, LLC	0.942%	0.000%	6,000,000	6,000,000	2024-12-31
Marshall Wace Asset Management Ltd	1.079%	-40.261%	5,860,645	-3,949,774	2023-09-30
Renaissance Technologies Corp	0.879%	285.565%	5,601,100	4,148,400	2025-03-31
Artal Group S A	1.025%	0.000%	5,565,889	0	2023-09-30
Amvescap Plc.	0.910%	25.429%	5,469,131	1,108,801	2024-03-31
Northern Trust Corp	0.869%	-4.503%	5,117,735	-241,295	2023-12-31
EcoR1 Capital, LLC	0.792%	75.002%	4,028,507	1,726,527	2022-12-31
Charles Schwab Investment Management Inc	0.669%	172.416%	3,634,330	2,300,220	2023-09-30
Walleye Trading Advisors, LLC	0.667%	163.676%	3,489,434	2,166,056	2023-03-31
Armistice Capital, LLC	0.607%	-9.051%	3,296,000	-328,000	2023-12-31
Baker Bros Advisors LP	0.602%	0.000%	3,061,224	3,061,224	2023-03-31
Octagon Capital Advisors LP	0.448%	0.000%	2,278,000	2,278,000	2023-03-31
Affinity Asset Advisors, LLC	0.353%	50.000%	2,250,000	750,000	2024-12-31
Avidity Partners Management LP	0.418%	0.000%	2,128,000	2,128,000	2023-03-31
Healthcor Management LP	0.424%	90.423%	1,904,234	904,234	2022-09-30
Rafferty Asset Management, LLC	0.363%	44.128%	1,844,634	564,779	2023-03-31
Caption Management, LLC	0.341%	72.159%	1,735,708	727,510	2022-12-31
D. E. Shaw & Co LP	0.323%	-17.460%	1,644,388	-347,848	2023-03-31
Bank of New York Mellon Corp	0.281%	2.425%	1,261,838	29,871	2022-12-31
Kennedy Capital Management Inc	0.277%	0.000%	1,246,241	1,246,241	2022-09-30
Nuveen Asset Management, LLC	0.226%	0.032%	1,016,088	321	2022-09-30

Mutual Fund Ownership

Vanguard Total Stock Mkt Idx Inv is the biggest individual fund holder of Geron Corporation (GERN), owning a total of 19.2 million shares. Combined, the top 60 mutual fund holders of GERN own 40.79% of the company with a total of 249.5 million shares.

In the latest ownership report on August 31st 2025, the top 60 fund holders increased their combined ownership of GERN by 1.4 million shares. 1 funds bought 22,545 total additional shares and increased their ownership by an average of 0.22%. However 2 funds sold 1,453,326 total shares and decreased their ownership by an average of 20.43%.

Overall this is a negative sign as the number of shares owned by the top 20 mutual funds holding Geron Corporation decreased by a net total of -1,430,781 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
iShares Russell 2000 ETF	2.266%	0.000%	14,455,725	0	2025-08-31
SPDR® S&P Biotech ETF	1.582%	0.224%	10,093,991	22,545	2025-08-31
iShares Russell 2000 Growth ETF	0.827%	0.000%	5,276,783	0	2025-08-31
abrdn Healthcare Investors	0.569%	-21.570%	3,629,818	-998,271	2025-08-31
iShares Biotechnology ETF	0.566%	0.000%	3,611,813	0	2025-08-31
State St Russell Sm Cap® Indx SL Cl I	0.323%	0.000%	2,061,849	0	2025-08-31
abrdn Life Sciences Investors	0.298%	-19.300%	1,902,788	-455,055	2025-08-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	3.015%	-2.169%	19,233,408	-426,491	2025-07-31
Vanguard US Total Market Shares ETF	2.799%	0.099%	17,826,392	17,674	2024-09-30
iShares Russell 2000 ETF	2.266%	0.000%	14,455,725	0	2025-08-31
BioPharma Credit Ord	2.214%	0.000%	14,124,294	14,124,294	2024-12-31
Vanguard Instl Ttl Stck Mkt Idx Tr	2.539%	18.747%	13,788,296	2,176,826	2023-03-31
SPDR® S&P Biotech ETF	1.582%	0.224%	10,093,991	22,545	2025-08-31
Fidelity Select Biotechnology	1.423%	93.274%	9,077,512	4,380,800	2025-07-31
Vanguard Explorer Inv	1.398%	53.903%	8,922,300	3,124,937	2025-06-30
Eventide Healthcare & Life Sciences I	1.109%	0.000%	7,072,000	0	2025-03-31
Vanguard Extended Market Index Investor	1.180%	-0.019%	6,174,489	-1,167	2023-08-31
Fidelity Small Cap Index	0.956%	1.509%	6,097,943	90,619	2025-06-30
Vanguard Institutional Extnd Mkt Idx Tr	0.956%	-30.347%	6,096,611	-2,656,193	2025-07-31
iShares Russell 2000 Growth ETF	0.827%	0.000%	5,276,783	0	2025-08-31
Fidelity® Small Cap Index	0.886%	2.804%	4,808,825	131,181	2023-10-31
Fidelity Growth Compy Commingled Pl O	0.712%	0.000%	4,288,843	0	2024-08-31
ClearBridge Small Cap Growth	0.591%	0.000%	3,767,400	0	2025-07-31
ClearBridge Small Cap Growth A	0.591%	0.000%	3,767,400	0	2025-07-31
abrdn Healthcare Investors	0.569%	-21.570%	3,629,818	-998,271	2025-08-31
iShares Biotechnology ETF	0.566%	0.000%	3,611,813	0	2025-08-31
State St Russell Sm/Mid Cp® Indx NL Cl C	0.546%	0.417%	3,474,943	14,433	2025-04-30
Invesco Dynamic Pharmaceuticals ETF	0.664%	0.000%	3,474,235	0	2023-07-31
State St Russell Sm/Mid Cp® Indx SL Cl I	0.541%	0.000%	3,450,743	0	2025-07-31
Fidelity Growth Company Fund	0.538%	0.000%	3,425,027	0	2025-03-31
Xtrackers MSCI World Swap ETF 1C	0.522%	0.000%	3,332,716	0	2025-07-31
Fidelity Growth Compy Commingled Pl S	0.516%	-40.495%	3,283,733	-2,234,700	2025-04-30
Fidelity Extended Market Index	0.475%	1.199%	3,029,094	35,894	2025-07-31
Fidelity® Select Biotechnology	0.543%	-8.034%	2,948,906	-257,600	2023-11-30
Invesco Pharmaceuticals ETF	0.462%	-0.340%	2,941,574	-10,040	2025-05-30
Vanguard Russell 2000 ETF	0.454%	-6.227%	2,898,494	-192,477	2025-07-31
Schwab US Small-Cap ETF™	0.408%	0.256%	2,601,592	6,650	2025-08-30
Janus Henderson Global Life Sciences	0.398%	-15.463%	2,531,635	-463,066	2025-03-31
Janus Henderson Global Life Sciences D	0.398%	-13.609%	2,531,635	-398,786	2025-03-31
Fidelity® Extended Market Index	0.454%	0.000%	2,467,197	0	2023-11-30
Janus Global Life Science AUSD	0.373%	31.893%	2,374,169	574,099	2024-12-31
Janus Henderson Glb Life Scn I2 USD	0.370%	-0.220%	2,358,584	-5,203	2025-02-28
Janus Henderson Hrzn Biotec E2 USD	0.368%	48.103%	2,346,578	762,154	2024-12-31
EdRF Healthcare A EUR	0.365%	0.210%	2,330,263	4,887	2025-07-31
Biotech Growth Ord	0.340%	0.000%	2,168,000	2,168,000	2024-11-30
Columbia Small Cap Growth Inst	0.353%	15.099%	2,134,828	280,045	2024-10-31
State St Russell Sm Cap® Indx SL Cl I	0.323%	0.000%	2,061,849	0	2025-08-31
Fidelity Growth Compy Commingled Pl 3	0.383%	0.000%	2,005,956	0	2023-07-31
Direxion Daily S&P Biotech Bull 3X ETF	0.331%	0.000%	1,960,110	0	2024-05-30
abrdn Life Sciences Investors	0.298%	-19.300%	1,902,788	-455,055	2025-08-31
Columbia Small Cap Growth	0.312%	1.719%	1,886,664	31,881	2024-12-31
State St Russell Sm Cap® Indx NL Cl C	0.338%	0.000%	1,835,649	0	2023-09-30
T. Rowe Price New Horizons	0.285%	0.000%	1,718,860	1,718,860	2024-06-30
US Small-Cap Growth II Equity Comp	0.285%	0.000%	1,718,860	1,718,860	2024-06-30
iShares Russell 2000 Value ETF	0.273%	0.806%	1,639,990	13,116	2024-07-31
British & American Ord	0.272%	42.596%	1,600,466	478,085	2023-06-30
JPMorgan Small Cap Value I	0.307%	0.000%	1,559,400	0	2023-05-31
NT R2000 Index Fund - NL	0.241%	-1.570%	1,431,536	-22,828	2024-03-31
Segall Bryant & Hamill Sm Cp Val Ins	0.262%	1.854%	1,420,208	25,850	2023-09-30
Vanguard Health Care ETF	0.236%	0.881%	1,396,882	12,196	2024-05-31
MEDICAL BioHealth EUR Acc	0.218%	0.000%	1,292,638	0	2023-11-30
Schwab Small Cap Index	0.215%	1.108%	1,167,943	12,797	2023-11-30
NT R2000 Growth Index Fund - NL	0.210%	2.140%	1,141,358	23,913	2023-09-30
NT R2000 Index Fund - DC - NL - 2	0.214%	18.875%	1,120,616	177,929	2023-06-30
Fidelity® Growth Company	0.186%	0.832%	945,300	7,800	2023-02-28
iShares Micro-Cap ETF	0.170%	0.000%	764,936	0	2023-01-31
BlackRock Extended Mkt Composite	0.168%	-11.973%	753,552	-102,495	2022-09-30