Geron Corp

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Geron Corp
TickerGERN
CIK #0000886744
CUSIP374163103
SectorLife Sciences - Pharmaceutical Preparations
Address230 Constitution Drive, Menlo Park, CA 94025
Source [EDGAR]
CIK Filing 2011 - 2025
[0000886744] 10-K
[0000886744] 10-Q
[0000886744] 3
[0000886744] 4
[0000886744] 5
[0000886744] 8-K
[0000886744] SC 13D
[0000886744] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Deep Track Capital LP Geron Corp [2025-03-25] 0.0
RTW Investments LP Geron Corp [2024-11-14] 7.3
Vanguard Group Inc Geron Corp [2024-02-13] 5.26
State Street Corp Geron Corp [2023-02-01] 5.17
Deep Track Capital LP Geron Corp [2023-01-13] 5.35
Vivo Opportunity LLC Geron Corp [2022-04-08] 5.9
RA Capital Management LP Geron Corp [2021-02-16] 9.99
Vanguard Group Inc Geron Corp [2021-02-10] 5.21
Growth Equity Opportunities 17 LLC Geron Corp [2020-06-04] 0.6
Great Point Partners LLC Geron Corp [2020-06-01] 7.3
EcoR1 Capital LLC Geron Corp [2020-05-29] 0.1
State Street Corp Geron Corp [2015-02-12] 5.1
FMR LLC Geron Corp [2014-02-10] 0.0
Ridgeback Capital Investments LP Geron Corp [2013-10-17] 5.8
Geron Corp Asterias Biotherapeutics Inc [2013-10-09] 100.0
Vanguard Group Inc Geron Corp [2013-02-13] 5.54
Form 3/4/5 Filer 2011 - 2025
Geron Corp
Semerjian Harout
Spiegel Robert J.
Molineaux Susan
McDonald John F
O'Farrell Elizabeth G.
Aggarwal Gaurav
Bir Dawn Carter
Lawlis V Bryan
Ziegler James
Scarlett John A
Samuels Scott Alan
Grethlein Andrew J
Robertson Michelle
Eid Joseph
Kapur Anil
Feller Faye
Bloom Olivia Kyusuk
Eastham Karin
Rizo Aleksandra
Rosenfield Stephen
Behrs Melissa Kelly
Bradbury Daniel
Huh Hoyoung
Hofstaetter Thomas
Asterias Biotherapeutics, Inc.
Parker Craig C
Fritzky Edward V
Kiley Thomas
Kelsey Stephen Michael
EARP David
Cooper Graham K
Nallicheri Melanie I
Greenwood David
Lebkowski Jane
Spink Katharine E.
Form 13F Holdings
Firm Period DFND Voting Shares
RA Capital Management LP [2025-06-30] SOLE 60,379,366 60,379,366
BlackRock, Inc. [2025-06-30] SOLE 48,889,699 50,023,485
Deep Track Capital LP [2025-06-30] SOLE 43,000,000 43,000,000
Vanguard Group Inc [2025-06-30] SOLE 0 34,323,262
Vivo Capital LLC [2025-06-30] SOLE 27,225,292 27,225,292
Vestal Point Capital LP [2025-06-30] SOLE 23,775,000 23,775,000
State Street Corp [2025-06-30] DFND 22,025,149 23,631,876
Soleus Capital Management LP [2025-06-30] SOLE 16,140,000 16,140,000
Clearbridge Investments LLC [2025-06-30] SOLE 14,375,405 14,376,311
Geode Capital Management LLC [2025-06-30] DFND 14,152,038 14,152,038
Morgan Stanley [2025-06-30] DFND 13,185,837 13,295,442
Citadel Advisors LLC [2025-06-30] DFND 12,526,501 12,526,501
UBS Group AG [2025-06-30] DFND 11,713,796 11,745,012
Goldman Sachs Group Inc [2025-06-30] DFND 9,814,284 9,815,660
Point72 Asset Management LP [2025-06-30] DFND 0 9,606,217
Woodline Partners LP [2025-06-30] SOLE 7,998,188 7,998,188
Eversept Partners LP [2025-06-30] SOLE 7,320,174 7,320,174
Segall Bryant & Hamill LLC [2025-06-30] SOLE 4,673,341 7,192,184
Aberdeen Group plc [2025-06-30] DFND 6,985,932 6,985,932
Stempoint Capital LP [2025-06-30] SOLE 6,095,857 6,949,244
Bank of America Corp /DE/ [2025-06-30] DFND 0 6,389,739
Millennium Management LLC [2025-06-30] SOLE 6,047,354 6,347,354
Northern Trust Corp [2025-06-30] DFND 5,149,825 5,158,988
Renaissance Technologies LLC [2025-06-30] SOLE 4,999,100 4,999,100
Qube Research & Technologies Ltd [2025-06-30] SOLE 4,981,598 4,981,598
FMR LLC [2025-06-30] DFND 4,813,106 4,837,625
Charles Schwab Investment Management Inc [2025-06-30] SOLE 4,689,314 4,689,314
Deutsche Bank AG [2025-06-30] DFND 12,318 3,718,003
Squarepoint Ops LLC [2025-06-30] DFND 0 3,599,221
Kynam Capital Management LP [2025-06-30] SOLE 3,456,318 3,456,318
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