Geron Corp
GERN- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000886744
No open-market purchases or sales by Geron Corp insiders were filed in the last 90 days; 260 institutions reported holding it in 13F filings for Q2 2026, worth $610.5M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Geron Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 262
- +1 vs. Q3 2025
- Shares held
- 478.6M
- −28.4M (−5.6%) vs. Q3 2025
- Total value
- $631.7M
- −$62.9M (−9.1%) vs. Q3 2025
- New holders
- 30
- 65 more added
- Sold out
- 29
- 98 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GERN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 260 | $610.5M |
| Q1 2026 | 256 | $740.7M |
| Q4 2025 | 262 | $631.7M |
| Q3 2025 | 263 | $694.7M |
| Q2 2025 | 259 | $725.4M |
| Q1 2025 | 270 | $811.6M |
| Q4 2024 | 285 | $1.73B |
| Q3 2024 | 255 | $2.31B |
| Q2 2024 | 239 | $1.97B |
| Q1 2024 | 231 | $1.43B |
| Q4 2023 | 202 | $830.0M |
| Q3 2023 | 202 | $786.9M |
| Q2 2023 | 201 | $1.10B |
| Q1 2023 | 191 | $706.4M |
| Q4 2022 | 185 | $509.1M |
| Q3 2022 | 180 | $447.8M |
| Q2 2022 | 154 | $299.0M |
| Q1 2022 | 150 | $247.1M |
| Q4 2021 | 147 | $156.5M |
| Q3 2021 | 139 | $179.0M |
| Q2 2021 | 145 | $181.6M |
| Q1 2021 | 146 | $225.3M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 63,771,366 | $84.2M | 0.86% | +3,392,000+5.6% | Added |
| BlackRock, Inc. | 45,913,344 | $60.6M | 0.00% | −692,406−1.5% | Reduced |
| Vanguard Group Inc | 35,660,969 | $47.1M | 0.00% | +1,237,844+3.6% | Added |
| Deep Track Capital, LP | 32,511,271 | $42.9M | 0.98% | −8,585,251−20.9% | Reduced |
| Vivo Capital, LLC | 27,225,292 | $35.9M | 2.32% | 00.0% | Unchanged |
| State Street Corp | 26,867,322 | $35.5M | 0.00% | +248,508+0.9% | Added |
| Soleus Capital Management, L.P. | 23,290,000 | $30.7M | 1.30% | +6,000,000+34.7% | Added |
| Eversept Partners, LP | 17,659,983 | $23.3M | 1.31% | +5,060,981+40.2% | Added |
| Goldman Sachs Group Inc | 16,174,398 | $21.4M | 0.00% | −5,132,997−24.1% | Reduced |
| Clearbridge Investments, LLC | 14,242,953 | $18.8M | 0.02% | +17,975+0.1% | Added |
| Geode Capital Management, LLC | 13,027,335 | $17.2M | 0.00% | −96,205−0.7% | Reduced |
| Morgan Stanley | 12,603,418 | $16.6M | 0.00% | +1,905,062+17.8% | Added |
| Vestal Point Capital, LP | 11,320,000 | $14.9M | 0.55% | −5,905,000−34.3% | Reduced |
| Citadel Advisors LLC | 9,925,786 | $13.1M | 0.01% | −5,779,282−36.8% | Reduced |
| Standard Life Aberdeen plc | 9,527,083 | $12.6M | 0.02% | +3,556,160+59.6% | Added |
| Nantahala Capital Management, LLC | 9,025,000 | $11.9M | 0.71% | 00.0% | Unchanged |
| FMR LLC | 8,076,965 | $10.7M | 0.00% | +375,895+4.9% | Added |
| Woodline Partners LP | 7,504,094 | $9.91M | 0.04% | +1,620,302+27.5% | Added |
| Deutsche Bank AG | 5,140,809 | $6.79M | 0.00% | +10,547+0.2% | Added |
| Segall Bryant & Hamill, LLC | 5,048,936 | $6.66M | 0.09% | −286,280−5.4% | Reduced |
| Pale Fire Capital SE | 4,788,594 | $6.32M | 0.81% | +2,506,840+109.9% | Added |
| Northern Trust Corp | 4,726,605 | $6.24M | 0.00% | −135,953−2.8% | Reduced |
| Millennium Management LLC | 4,603,876 | $6.08M | 0.00% | −6,764,113−59.5% | Reduced |
| Charles Schwab Investment Management Inc | 4,514,063 | $5.96M | 0.00% | +4,598+0.1% | Added |
| Algert Global LLC | 3,499,747 | $4.62M | 0.07% | −1,027,994−22.7% | Reduced |
| Kynam Capital Management, LP | 3,456,318 | $4.56M | 0.30% | 00.0% | Unchanged |
| UBS Group AG | 3,273,705 | $4.32M | 0.00% | −4,447,402−57.6% | Reduced |
| Qube Research & Technologies Ltd | 3,107,529 | $4.10M | 0.01% | −1,615,289−34.2% | Reduced |
| Candriam Luxembourg S.C.A. | 2,839,484 | $3.75M | 0.02% | −414,476−12.7% | Reduced |
| Two Sigma Investments, LP | 2,801,468 | $3.70M | 0.01% | +949,450+51.3% | Added |
| Bank of America Corp | 2,698,010 | $3.56M | 0.00% | −796,336−22.8% | Reduced |
| Edmond de Rothschild Holding S.A. | 2,330,000 | $3.08M | 0.04% | 00.0% | Unchanged |
| Nuveen, LLC | 1,999,843 | $2.64M | 0.00% | +25,064+1.3% | Added |
| Barclays PLC | 1,575,429 | $2.08M | 0.00% | −360,177−18.6% | Reduced |
| Bank of New York Mellon Corp | 1,573,836 | $2.08M | 0.00% | −908−0.1% | Reduced |
| Affinity Asset Advisors, LLC | 1,500,000 | $1.98M | 0.14% | 00.0% | Unchanged |
| Nan Fung Trinity (HK) Ltd | 1,373,550 | $1.81M | 0.14% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 1,296,163 | $1.71M | 0.00% | +55,492+4.5% | Added |
| UBS Asset Management Americas Inc | 1,232,288 | $1.63M | 0.00% | −80,579−6.1% | Reduced |
| Invesco Ltd. | 1,225,658 | $1.62M | 0.00% | +265,197+27.6% | Added |
| HRT Financial LP | 1,200,225 | $1.58M | 0.00% | +298,351+33.1% | Added |
| Squarepoint Ops LLC | 1,130,076 | $1.49M | 0.00% | −2,158,631−65.6% | Reduced |
| Pensionmark Financial Group, LLC | 1,033,779 | $1.36M | 0.02% | −6,000−0.6% | Reduced |
| Jane Street Group, LLC | 1,013,003 | $1.34M | 0.00% | −1,109,335−52.3% | Reduced |
| Swiss National Bank | 926,100 | $1.22M | 0.00% | 00.0% | Unchanged |
| Almitas Capital LLC | 896,323 | $1.18M | 0.26% | −50,000−5.3% | Reduced |
| Wells Fargo & Company | 855,141 | $1.13M | 0.00% | +85,883+11.2% | Added |
| MML Investors Services, LLC | 834,115 | $1.10M | 0.00% | +283,000+51.4% | Added |
| Rafferty Asset Management, LLC | 821,890 | $1.08M | 0.00% | −164,464−16.7% | Reduced |
| Stonepine Capital Management, LLC | 805,800 | $1.06M | 0.84% | −794,200−49.6% | Reduced |
| Seven Fleet Capital Management LP | 777,880 | $1.03M | 0.69% | +777,880 | New |
| Renaissance Technologies LLC | 737,166 | $973.1K | 0.00% | −1,627,114−68.8% | Reduced |
| Rhumbline Advisers | 727,512 | $960.3K | 0.00% | −110,141−13.1% | Reduced |
| Centiva Capital, LP | 686,538 | $906.2K | 0.05% | +686,538 | New |
| Ameriprise Financial Inc | 651,571 | $860.1K | 0.00% | −45,484−6.5% | Reduced |
| SRS Capital Advisors, Inc. | 627,297 | $828.0K | 0.02% | −766,783−55.0% | Reduced |
| Lion Point Capital, LP | 578,000 | $763.0K | 3.95% | +78,000+15.6% | Added |
| Alps Advisors Inc | 524,159 | $691.9K | 0.00% | +221,650+73.3% | Added |
| Virtus Investment Advisers, Inc. | 502,509 | $663.3K | 0.18% | +217,641+76.4% | Added |
| California State Teachers Retirement System | 475,257 | $627.3K | 0.00% | −4,173−0.9% | Reduced |
| Legal & General Group Plc | 443,328 | $585.2K | 0.00% | −64,572−12.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 421,458 | $556.3K | 0.02% | +57,058+15.7% | Added |
| Private Advisor Group, LLC | 420,332 | $554.8K | 0.00% | +1,455+0.3% | Added |
| Alliancebernstein L.P. | 386,341 | $510.0K | 0.00% | −238,950−38.2% | Reduced |
| Two Sigma Advisers, LP | 365,046 | $481.9K | 0.00% | −20,500−5.3% | Reduced |
| CWM Advisors, LLC | 354,150 | $467.5K | 0.04% | +25,099+7.6% | Added |
| Los Angeles Capital Management LLC | 364,212 | $451.6K | 0.00% | −12,060−3.2% | Reduced |
| ADAR1 Capital Management, LLC | 336,176 | $443.8K | 0.03% | −120,000−26.3% | Reduced |
| Price T Rowe Associates Inc | 312,027 | $412.0K | 0.00% | +23,189+8.0% | Added |
| Profund Advisors LLC | 306,913 | $405.1K | 0.01% | +93,447+43.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 301,593 | $399.1K | 0.00% | −2,620−0.9% | Reduced |
| MetLife Investment Management | 297,062 | $392.1K | 0.00% | +30,313+11.4% | Added |
| Moody National Bank Trust Division | 295,425 | $390.0K | 0.04% | −954−0.3% | Reduced |
| JPMorgan Chase & Co | 264,478 | $349.1K | 0.00% | −222,771−45.7% | Reduced |
| XTX Topco Ltd | 258,397 | $341.1K | 0.01% | +92,881+56.1% | Added |
| Janus Henderson Group PLC | 239,357 | $317.1K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 233,992 | $308.9K | 0.00% | 00.0% | Unchanged |
| Nvest Financial, LLC | 228,791 | $302.0K | 0.13% | −84,935−27.1% | Reduced |
| Scientech Research LLC | 227,472 | $300.3K | 0.19% | +227,472 | New |
| Russell Investments Group, Ltd. | 225,046 | $297.1K | 0.00% | −5,288−2.3% | Reduced |
| Group One Trading, L.P. | 205,691 | $271.5K | 0.01% | −14,932−6.8% | Reduced |
| Creative Planning | 203,847 | $269.1K | 0.00% | −144,742−41.5% | Reduced |
| State of Wisconsin Investment Board | 202,520 | $267.3K | 0.00% | −16,878−7.7% | Reduced |
| Cresset Asset Management, LLC | 188,546 | $248.9K | 0.00% | +5,702+3.1% | Added |
| Raymond James Financial Inc | 183,366 | $242.0K | 0.00% | −31,056−14.5% | Reduced |
| Quadrature Capital Ltd | 178,497 | $235.6K | 0.00% | −83,368−31.8% | Reduced |
| New York State Common Retirement Fund | 171,453 | $226.3K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 166,844 | $220.2K | 0.00% | −13,606−7.5% | Reduced |
| SG Americas Securities, LLC | 158,787 | $210.0K | 0.00% | +45,454+40.1% | Added |
| Police & Firemen's Retirement System of New Jersey | 153,371 | $202.4K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 151,909 | $200.5K | 0.08% | +151,909 | New |
| State Board of Administration of Florida Retirement System | 142,122 | $187.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 139,391 | $184.0K | 0.00% | +63,079+82.7% | Added |
| Arizona State Retirement System | 134,936 | $178.1K | 0.00% | −5,919−4.2% | Reduced |
| Virtu Financial LLC | 129,333 | $171.0K | 0.01% | +129,333 | New |
| LPL Financial LLC | 129,388 | $170.8K | 0.00% | −3,482−2.6% | Reduced |
| ProShare Advisors LLC | 128,026 | $169.0K | 0.00% | +11,890+10.2% | Added |
| Man Group plc | 123,848 | $163.5K | 0.00% | +66,837+117.2% | Added |
| Mason & Associates Inc | 120,700 | $159.3K | 0.03% | +120,700 | New |
| HighTower Advisors, LLC | 117,204 | $154.7K | 0.00% | −2,015−1.7% | Reduced |