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 |
|---|---|---|---|---|---|
| Amundi | 28,423 | $37.5K | 0.00% | +28,423 | New |
| Bank of Montreal | 29,072 | $38.4K | 0.00% | 00.0% | Unchanged |
| Voleon Capital Management LP | 29,590 | $39.1K | 0.00% | +29,590 | New |
| Sanctuary Advisors, LLC | 30,547 | $40.3K | 0.00% | +1,807+6.3% | Added |
| Mirae Asset Global Investments Co., Ltd. | 31,020 | $40.9K | 0.00% | +6,354+25.8% | Added |
| Franklin Resources Inc | 31,399 | $41.4K | 0.00% | −1,767−5.3% | Reduced |
| Stifel Financial Corp | 31,762 | $41.9K | 0.00% | −38,031−54.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 32,727 | $43.2K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 32,806 | $43.3K | 0.00% | −8,985−21.5% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 27,444 | $44.2K | 0.01% | −200−0.7% | Reduced |
| IHT Wealth Management, LLC | 33,750 | $44.5K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 34,051 | $45.0K | 0.00% | −22−0.1% | Reduced |
| Polymer Capital Management (US) LLC | 34,232 | $45.2K | 0.01% | −11,755−25.6% | Reduced |
| Simplex Trading, LLC | 34,599 | $45.7K | 0.00% | −29,003−45.6% | Reduced |
| Mackenzie Financial Corp | 34,225 | $45.8K | 0.00% | −4,249−11.0% | Reduced |
| CI Private Wealth, LLC | 35,617 | $47.5K | 0.00% | +212+0.6% | Added |
| CIBC World Markets Corp | 36,138 | $47.7K | 0.00% | +36,138 | New |
| Two Sigma Securities, LLC | 36,196 | $47.8K | 0.01% | +36,196 | New |
| Prudential Financial Inc | 36,422 | $48.1K | 0.00% | −39,847−52.2% | Reduced |
| Guggenheim Capital LLC | 36,981 | $48.8K | 0.00% | +244+0.7% | Added |
| Atom Investors LP | 37,341 | $49.3K | 0.00% | +21,588+137.0% | Added |
| Aigen Investment Management, LP | 37,355 | $49.3K | 0.01% | +5,696+18.0% | Added |
| Caitong International Asset Management Co., Ltd | 38,319 | $50.6K | 0.01% | +37,581+5,092.3% | Added |
| Wedbush Securities Inc | 38,661 | $51.0K | 0.00% | −6,000−13.4% | Reduced |
| Alternative Investment Advisors, LLC. | 39,278 | $51.8K | 0.02% | 00.0% | Unchanged |
| Royal Bank of Canada | 39,264 | $52.0K | 0.00% | −211,817−84.4% | Reduced |
| Flagship Harbor Advisors, LLC | 39,405 | $52.0K | 0.00% | +5,680+16.8% | Added |
| Northwestern Mutual Wealth Management Co | 40,000 | $52.8K | 0.00% | −2,050−4.9% | Reduced |
| Xponance, Inc. | 42,921 | $56.7K | 0.00% | +376+0.9% | Added |
| Farallon Capital Management, L.L.C. | 43,000 | $56.8K | 0.00% | 00.0% | Unchanged |
| Abel Hall, LLC | 43,627 | $57.6K | 0.01% | +43,627 | New |
| Pinnacle Associates Ltd | 44,287 | $58.5K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Management Advisory Group, LLC | 44,287 | $58.5K | 0.00% | 00.0% | Unchanged |
| AQR Capital Management LLC | 44,386 | $58.6K | 0.00% | −373,510−89.4% | Reduced |
| Brevan Howard Capital Management LP | 44,613 | $58.9K | 0.00% | −224,915−83.4% | Reduced |
| Ameritas Investment Partners, Inc. | 45,637 | $60.2K | 0.00% | 00.0% | Unchanged |
| Mariner, LLC | 49,804 | $65.7K | 0.00% | −27,838−35.9% | Reduced |
| Forefront Analytics, LLC | 51,320 | $67.7K | 0.06% | −938−1.8% | Reduced |
| Public Employees Retirement Association of Colorado | 54,913 | $72.0K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 57,782 | $76.3K | 0.00% | +3,361+6.2% | Added |
| Tiaa Trust, National Association | 58,250 | $76.9K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 64,879 | $85.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 65,807 | $86.9K | 0.00% | −68,430−51.0% | Reduced |
| Victory Capital Management Inc | 69,926 | $92.3K | 0.00% | +302+0.4% | Added |
| Teacher Retirement System of Texas | 70,761 | $93.4K | 0.00% | −46,762−39.8% | Reduced |
| Pictet Asset Management Holding SA | 71,528 | $94.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 71,628 | $94.5K | 0.00% | −39,166−35.4% | Reduced |
| Great West Life Assurance Co | 75,160 | $99.0K | 0.00% | −79,832−51.5% | Reduced |
| Poehling Capital Management, LLC | 76,201 | $100.6K | 0.02% | 00.0% | Unchanged |
| Credit Agricole S A | 82,100 | $108.4K | 0.00% | +11,000+15.5% | Added |
| Advisor Group Holdings, Inc. | 90,283 | $119.2K | 0.00% | −1,276−1.4% | Reduced |
| Mercer Global Advisors Inc | 91,619 | $120.9K | 0.00% | +46,801+104.4% | Added |
| Wealth Enhancement Advisory Services, LLC | 92,267 | $121.8K | 0.00% | −1,572−1.7% | Reduced |
| Lazari Capital Management, Inc. | 93,924 | $124.0K | 0.04% | −9,000−8.7% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 95,740 | $126.0K | 0.00% | −41,285−30.1% | Reduced |
| Global Retirement Partners, LLC | 100,000 | $132.0K | 0.00% | +40,000+66.7% | Added |
| KLP Kapitalforvaltning AS | 100,200 | $132.3K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 103,202 | $136.2K | 0.01% | −3,436−3.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,230 | $136.3K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 104,020 | $137.3K | 0.01% | −7,815−7.0% | Reduced |
| Voya Investment Management LLC | 106,133 | $140.1K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 111,281 | $147.0K | 0.03% | +79,363+248.6% | Added |
| HighTower Advisors, LLC | 117,204 | $154.7K | 0.00% | −2,015−1.7% | Reduced |
| Mason & Associates Inc | 120,700 | $159.3K | 0.03% | +120,700 | New |
| Man Group plc | 123,848 | $163.5K | 0.00% | +66,837+117.2% | Added |
| ProShare Advisors LLC | 128,026 | $169.0K | 0.00% | +11,890+10.2% | Added |
| LPL Financial LLC | 129,388 | $170.8K | 0.00% | −3,482−2.6% | Reduced |
| Virtu Financial LLC | 129,333 | $171.0K | 0.01% | +129,333 | New |
| Arizona State Retirement System | 134,936 | $178.1K | 0.00% | −5,919−4.2% | Reduced |
| Citigroup Inc | 139,391 | $184.0K | 0.00% | +63,079+82.7% | Added |
| State Board of Administration of Florida Retirement System | 142,122 | $187.6K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 151,909 | $200.5K | 0.08% | +151,909 | New |
| Police & Firemen's Retirement System of New Jersey | 153,371 | $202.4K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 158,787 | $210.0K | 0.00% | +45,454+40.1% | Added |
| Manufacturers Life Insurance Company, The | 166,844 | $220.2K | 0.00% | −13,606−7.5% | Reduced |
| New York State Common Retirement Fund | 171,453 | $226.3K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 178,497 | $235.6K | 0.00% | −83,368−31.8% | Reduced |
| Raymond James Financial Inc | 183,366 | $242.0K | 0.00% | −31,056−14.5% | Reduced |
| Cresset Asset Management, LLC | 188,546 | $248.9K | 0.00% | +5,702+3.1% | Added |
| State of Wisconsin Investment Board | 202,520 | $267.3K | 0.00% | −16,878−7.7% | Reduced |
| Creative Planning | 203,847 | $269.1K | 0.00% | −144,742−41.5% | Reduced |
| Group One Trading, L.P. | 205,691 | $271.5K | 0.01% | −14,932−6.8% | Reduced |
| Russell Investments Group, Ltd. | 225,046 | $297.1K | 0.00% | −5,288−2.3% | Reduced |
| Scientech Research LLC | 227,472 | $300.3K | 0.19% | +227,472 | New |
| Nvest Financial, LLC | 228,791 | $302.0K | 0.13% | −84,935−27.1% | Reduced |
| Intech Investment Management LLC | 233,992 | $308.9K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 239,357 | $317.1K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 258,397 | $341.1K | 0.01% | +92,881+56.1% | Added |
| JPMorgan Chase & Co | 264,478 | $349.1K | 0.00% | −222,771−45.7% | Reduced |
| Moody National Bank Trust Division | 295,425 | $390.0K | 0.04% | −954−0.3% | Reduced |
| MetLife Investment Management | 297,062 | $392.1K | 0.00% | +30,313+11.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 301,593 | $399.1K | 0.00% | −2,620−0.9% | Reduced |
| Profund Advisors LLC | 306,913 | $405.1K | 0.01% | +93,447+43.8% | Added |
| Price T Rowe Associates Inc | 312,027 | $412.0K | 0.00% | +23,189+8.0% | Added |
| ADAR1 Capital Management, LLC | 336,176 | $443.8K | 0.03% | −120,000−26.3% | Reduced |
| Los Angeles Capital Management LLC | 364,212 | $451.6K | 0.00% | −12,060−3.2% | Reduced |
| CWM Advisors, LLC | 354,150 | $467.5K | 0.04% | +25,099+7.6% | Added |
| Two Sigma Advisers, LP | 365,046 | $481.9K | 0.00% | −20,500−5.3% | Reduced |
| Alliancebernstein L.P. | 386,341 | $510.0K | 0.00% | −238,950−38.2% | Reduced |
| Private Advisor Group, LLC | 420,332 | $554.8K | 0.00% | +1,455+0.3% | Added |