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, Q3 2025
Institutional positions in Geron Corp as of Sep 30, 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
- 263
- +6 vs. Q2 2025
- Shares held
- 507.1M
- −7.20M (−1.4%) vs. Q2 2025
- Total value
- $694.7M
- −$30.4M (−4.2%) vs. Q2 2025
- New holders
- 35
- 71 more added
- Sold out
- 29
- 89 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jasper Ridge Partners, L.P. | 32,472 | $44.5K | 0.00% | 00.0% | Unchanged |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 32,727 | $44.8K | 0.00% | −7,285−18.2% | Reduced |
| Franklin Resources Inc | 33,166 | $45.4K | 0.00% | +33,166 | New |
| Flagship Harbor Advisors, LLC | 33,725 | $46.2K | 0.00% | +1,515+4.7% | Added |
| IHT Wealth Management, LLC | 33,750 | $46.2K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 34,073 | $46.7K | 0.00% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 35,405 | $48.5K | 0.00% | −1,050−2.9% | Reduced |
| Guggenheim Capital LLC | 36,737 | $50.3K | 0.00% | −139,713−79.2% | Reduced |
| Mackenzie Financial Corp | 38,474 | $52.7K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 38,830 | $53.2K | 0.00% | +669+1.8% | Added |
| Capstone Investment Advisors, LLC | 38,913 | $53.3K | 0.00% | +38,913 | New |
| Alternative Investment Advisors, LLC. | 39,278 | $53.8K | 0.02% | 00.0% | Unchanged |
| Principal Financial Group Inc | 41,791 | $57.3K | 0.00% | −1,387−3.2% | Reduced |
| Northwestern Mutual Wealth Management Co | 42,050 | $57.6K | 0.00% | +40,050+2,002.5% | Added |
| Xponance, Inc. | 42,545 | $58.3K | 0.00% | −4,405−9.4% | Reduced |
| Farallon Capital Management, L.L.C. | 43,000 | $58.9K | 0.00% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 44,287 | $60.7K | 0.00% | −6,218−12.3% | Reduced |
| Pinnacle Wealth Management Advisory Group, LLC | 44,287 | $60.7K | 0.00% | −6,218−12.3% | Reduced |
| Gsa Capital Partners LLP | 44,430 | $61.0K | 0.01% | −634,901−93.5% | Reduced |
| Wedbush Securities Inc | 44,661 | $61.0K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 44,818 | $61.4K | 0.00% | −1,048−2.3% | Reduced |
| Ameritas Investment Partners, Inc. | 45,637 | $62.5K | 0.00% | −13,316−22.6% | Reduced |
| Polymer Capital Management (US) LLC | 45,987 | $63.0K | 0.01% | −65,367−58.7% | Reduced |
| ExodusPoint Capital Management, LP | 47,035 | $64.4K | 0.00% | +47,035 | New |
| Forefront Analytics, LLC | 52,258 | $71.6K | 0.07% | +17,077+48.5% | Added |
| Forefront Wealth Partners, LLC | 52,258 | $71.6K | 0.02% | +52,258 | New |
| Cetera Investment Advisers | 54,421 | $74.6K | 0.00% | +30,591+128.4% | Added |
| Public Employees Retirement Association of Colorado | 54,913 | $75.0K | 0.00% | 00.0% | Unchanged |
| Man Group plc | 57,011 | $78.1K | 0.00% | +57,011 | New |
| CIBC Bancorp USA Inc. | 58,230 | $79.8K | 0.00% | +58,230 | New |
| Tiaa Trust, National Association | 58,250 | $79.8K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 60,000 | $82.2K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 63,602 | $87.0K | 0.00% | −73,806−53.7% | Reduced |
| Lazard Asset Management LLC | 64,879 | $88.9K | 0.00% | +51,756+394.4% | Added |
| Victory Capital Management Inc | 69,624 | $95.4K | 0.00% | −2,327−3.2% | Reduced |
| Stifel Financial Corp | 69,793 | $95.6K | 0.00% | −5,760−7.6% | Reduced |
| Credit Agricole S A | 71,100 | $97.4K | 0.00% | +71,100 | New |
| Pictet Asset Management Holding SA | 71,528 | $98.0K | 0.00% | 00.0% | Unchanged |
| Poehling Capital Management, LLC | 76,201 | $104.4K | 0.02% | +700+0.9% | Added |
| Prudential Financial Inc | 76,269 | $104.5K | 0.00% | −3,225−4.1% | Reduced |
| Citigroup Inc | 76,312 | $104.5K | 0.00% | −322,463−80.9% | Reduced |
| Mariner, LLC | 77,642 | $106.4K | 0.00% | −6,498−7.7% | Reduced |
| Velan Capital Investment Management LP | 80,000 | $109.6K | 0.10% | +10,000+14.3% | Added |
| Winton Group Ltd | 87,300 | $119.6K | 0.00% | +87,300 | New |
| Wealth Enhancement Advisory Services, LLC | 93,839 | $121.1K | 0.00% | −5,419−5.5% | Reduced |
| Advisor Group Holdings, Inc. | 91,559 | $127.8K | 0.00% | +3,605+4.1% | Added |
| Ballentine Partners, LLC | 93,971 | $128.7K | 0.00% | +11,887+14.5% | Added |
| KLP Kapitalforvaltning AS | 100,200 | $137.3K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 106,638 | $139.4K | 0.01% | +9,185+9.4% | Added |
| Lazari Capital Management, Inc. | 102,924 | $141.0K | 0.05% | +1,000+1.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,230 | $141.4K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 106,133 | $145.4K | 0.00% | −60,729−36.4% | Reduced |
| BNP Paribas Arbitrage, SA | 110,794 | $151.8K | 0.00% | +36,270+48.7% | Added |
| China Universal Asset Management Co., Ltd. | 111,835 | $153.2K | 0.01% | −16,087−12.6% | Reduced |
| SG Americas Securities, LLC | 113,333 | $155.0K | 0.00% | +113,333 | New |
| ProShare Advisors LLC | 116,136 | $159.1K | 0.00% | −32,131−21.7% | Reduced |
| Teacher Retirement System of Texas | 117,523 | $161.0K | 0.00% | −19,854−14.5% | Reduced |
| HighTower Advisors, LLC | 119,219 | $163.3K | 0.00% | +59,470+99.5% | Added |
| Y-Intercept (Hong Kong) Ltd | 124,796 | $171.0K | 0.00% | +124,796 | New |
| LPL Financial LLC | 132,870 | $182.0K | 0.00% | +523+0.4% | Added |
| Tower Research Capital LLC (TRC) | 134,237 | $183.9K | 0.01% | +55,920+71.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 137,025 | $188.0K | 0.00% | −32,000−18.9% | Reduced |
| Arizona State Retirement System | 140,855 | $193.0K | 0.00% | −7,378−5.0% | Reduced |
| State Board of Administration of Florida Retirement System | 142,122 | $194.7K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 154,992 | $201.0K | 0.00% | +2,541+1.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 153,371 | $210.1K | 0.00% | +9,539+6.6% | Added |
| XTX Topco Ltd | 165,516 | $226.8K | 0.01% | +40,994+32.9% | Added |
| New York State Common Retirement Fund | 171,453 | $234.9K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 180,450 | $247.2K | 0.00% | −136,172−43.0% | Reduced |
| Cresset Asset Management, LLC | 182,844 | $250.5K | 0.00% | +5,540+3.1% | Added |
| Profund Advisors LLC | 213,466 | $292.4K | 0.01% | +37,535+21.3% | Added |
| Raymond James Financial Inc | 214,422 | $293.8K | 0.00% | −349−0.2% | Reduced |
| State of Wisconsin Investment Board | 219,398 | $300.6K | 0.00% | −7,884−3.5% | Reduced |
| Group One Trading, L.P. | 220,623 | $302.3K | 0.01% | −131,719−37.4% | Reduced |
| DnB Asset Management AS | 226,508 | $310.3K | 0.00% | +35,745+18.7% | Added |
| Russell Investments Group, Ltd. | 230,334 | $315.6K | 0.00% | +6,234+2.8% | Added |
| Intech Investment Management LLC | 233,992 | $320.6K | 0.00% | −120,723−34.0% | Reduced |
| Janus Henderson Group PLC | 239,357 | $329.1K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 251,081 | $344.0K | 0.00% | +24,502+10.8% | Added |
| Quadrature Capital Ltd | 261,865 | $358.8K | 0.00% | +111,159+73.8% | Added |
| MetLife Investment Management | 266,749 | $365.4K | 0.00% | −96,388−26.5% | Reduced |
| Brevan Howard Capital Management LP | 269,528 | $369.3K | 0.01% | +233,911+656.7% | Added |
| Virtus Investment Advisers, Inc. | 284,868 | $390.3K | 0.11% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 288,838 | $396.0K | 0.00% | −209,607−42.1% | Reduced |
| Moody National Bank Trust Division | 296,379 | $406.0K | 0.03% | −3,440−1.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 304,213 | $413.7K | 0.00% | −68,300−18.3% | Reduced |
| Alps Advisors Inc | 302,509 | $414.4K | 0.00% | −41,051−11.9% | Reduced |
| Nvest Financial, LLC | 313,726 | $429.8K | 0.25% | −8,399−2.6% | Reduced |
| CWM Advisors, LLC | 329,051 | $450.8K | 0.04% | +44,327+15.6% | Added |
| Creative Planning | 348,589 | $477.6K | 0.00% | −8,838−2.5% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 364,400 | $499.2K | 0.02% | −6,635−1.8% | Reduced |
| Empire Financial Management Company, LLC | 370,000 | $506.9K | 0.12% | +370,000 | New |
| Los Angeles Capital Management LLC | 376,272 | $515.5K | 0.00% | +342,098+1,001.0% | Added |
| Two Sigma Advisers, LP | 385,546 | $528.2K | 0.00% | +385,546 | New |
| AQR Capital Management LLC | 417,896 | $572.5K | 0.00% | +209,904+100.9% | Added |
| Private Advisor Group, LLC | 418,877 | $573.9K | 0.00% | +71,389+20.5% | Added |
| Aquatic Capital Management LLC | 437,875 | $599.9K | 0.01% | +437,875 | New |
| ADAR1 Capital Management, LLC | 456,176 | $625.0K | 0.06% | +15,000+3.4% | Added |
| California State Teachers Retirement System | 479,430 | $656.8K | 0.00% | −730.0% | Reduced |
| JPMorgan Chase & Co | 487,249 | $667.5K | 0.00% | −52,839−9.8% | Reduced |