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 |
|---|---|---|---|---|---|
| Cambridge Investment Research Advisors, Inc. | 137,025 | $188.0K | 0.00% | −32,000−18.9% | Reduced |
| Tower Research Capital LLC (TRC) | 134,237 | $183.9K | 0.01% | +55,920+71.4% | Added |
| LPL Financial LLC | 132,870 | $182.0K | 0.00% | +523+0.4% | Added |
| Y-Intercept (Hong Kong) Ltd | 124,796 | $171.0K | 0.00% | +124,796 | New |
| HighTower Advisors, LLC | 119,219 | $163.3K | 0.00% | +59,470+99.5% | Added |
| Teacher Retirement System of Texas | 117,523 | $161.0K | 0.00% | −19,854−14.5% | Reduced |
| ProShare Advisors LLC | 116,136 | $159.1K | 0.00% | −32,131−21.7% | Reduced |
| SG Americas Securities, LLC | 113,333 | $155.0K | 0.00% | +113,333 | New |
| China Universal Asset Management Co., Ltd. | 111,835 | $153.2K | 0.01% | −16,087−12.6% | Reduced |
| BNP Paribas Arbitrage, SA | 110,794 | $151.8K | 0.00% | +36,270+48.7% | Added |
| Voya Investment Management LLC | 106,133 | $145.4K | 0.00% | −60,729−36.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 103,230 | $141.4K | 0.00% | 00.0% | Unchanged |
| Lazari Capital Management, Inc. | 102,924 | $141.0K | 0.05% | +1,000+1.0% | Added |
| DRW Securities, LLC | 106,638 | $139.4K | 0.01% | +9,185+9.4% | Added |
| KLP Kapitalforvaltning AS | 100,200 | $137.3K | 0.00% | 00.0% | Unchanged |
| Ballentine Partners, LLC | 93,971 | $128.7K | 0.00% | +11,887+14.5% | Added |
| Advisor Group Holdings, Inc. | 91,559 | $127.8K | 0.00% | +3,605+4.1% | Added |
| Wealth Enhancement Advisory Services, LLC | 93,839 | $121.1K | 0.00% | −5,419−5.5% | Reduced |
| Winton Group Ltd | 87,300 | $119.6K | 0.00% | +87,300 | New |
| Velan Capital Investment Management LP | 80,000 | $109.6K | 0.10% | +10,000+14.3% | Added |
| Mariner, LLC | 77,642 | $106.4K | 0.00% | −6,498−7.7% | Reduced |
| Citigroup Inc | 76,312 | $104.5K | 0.00% | −322,463−80.9% | Reduced |
| Prudential Financial Inc | 76,269 | $104.5K | 0.00% | −3,225−4.1% | Reduced |
| Poehling Capital Management, LLC | 76,201 | $104.4K | 0.02% | +700+0.9% | Added |
| Pictet Asset Management Holding SA | 71,528 | $98.0K | 0.00% | 00.0% | Unchanged |
| Credit Agricole S A | 71,100 | $97.4K | 0.00% | +71,100 | New |
| Stifel Financial Corp | 69,793 | $95.6K | 0.00% | −5,760−7.6% | Reduced |
| Victory Capital Management Inc | 69,624 | $95.4K | 0.00% | −2,327−3.2% | Reduced |
| Lazard Asset Management LLC | 64,879 | $88.9K | 0.00% | +51,756+394.4% | Added |
| Simplex Trading, LLC | 63,602 | $87.0K | 0.00% | −73,806−53.7% | Reduced |
| Global Retirement Partners, LLC | 60,000 | $82.2K | 0.00% | 00.0% | Unchanged |
| Tiaa Trust, National Association | 58,250 | $79.8K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 58,230 | $79.8K | 0.00% | +58,230 | New |
| Man Group plc | 57,011 | $78.1K | 0.00% | +57,011 | New |
| Public Employees Retirement Association of Colorado | 54,913 | $75.0K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 54,421 | $74.6K | 0.00% | +30,591+128.4% | Added |
| 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 |
| ExodusPoint Capital Management, LP | 47,035 | $64.4K | 0.00% | +47,035 | New |
| Polymer Capital Management (US) LLC | 45,987 | $63.0K | 0.01% | −65,367−58.7% | Reduced |
| Ameritas Investment Partners, Inc. | 45,637 | $62.5K | 0.00% | −13,316−22.6% | Reduced |
| Mercer Global Advisors Inc | 44,818 | $61.4K | 0.00% | −1,048−2.3% | 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 |
| 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 |
| Farallon Capital Management, L.L.C. | 43,000 | $58.9K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 42,545 | $58.3K | 0.00% | −4,405−9.4% | Reduced |
| Northwestern Mutual Wealth Management Co | 42,050 | $57.6K | 0.00% | +40,050+2,002.5% | Added |
| Principal Financial Group Inc | 41,791 | $57.3K | 0.00% | −1,387−3.2% | Reduced |
| Alternative Investment Advisors, LLC. | 39,278 | $53.8K | 0.02% | 00.0% | Unchanged |
| Capstone Investment Advisors, LLC | 38,913 | $53.3K | 0.00% | +38,913 | New |
| Gotham Asset Management, LLC | 38,830 | $53.2K | 0.00% | +669+1.8% | Added |
| Mackenzie Financial Corp | 38,474 | $52.7K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 36,737 | $50.3K | 0.00% | −139,713−79.2% | Reduced |
| CI Private Wealth, LLC | 35,405 | $48.5K | 0.00% | −1,050−2.9% | Reduced |
| SEI Investments Co | 34,073 | $46.7K | 0.00% | 00.0% | Unchanged |
| IHT Wealth Management, LLC | 33,750 | $46.2K | 0.00% | 00.0% | Unchanged |
| Flagship Harbor Advisors, LLC | 33,725 | $46.2K | 0.00% | +1,515+4.7% | Added |
| Franklin Resources Inc | 33,166 | $45.4K | 0.00% | +33,166 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 32,727 | $44.8K | 0.00% | −7,285−18.2% | Reduced |
| Jasper Ridge Partners, L.P. | 32,472 | $44.5K | 0.00% | 00.0% | Unchanged |
| Aigen Investment Management, LP | 31,659 | $43.4K | 0.01% | +31,659 | New |
| Dynamic Technology Lab Private Ltd | 31,918 | $43.0K | 0.01% | −3,042−8.7% | Reduced |
| JustInvest LLC | 30,931 | $42.4K | 0.00% | −3,307−9.7% | Reduced |
| Elmwood Wealth Management, Inc. | 29,710 | $40.7K | 0.01% | +1,510+5.4% | Added |
| Bank of Montreal | 29,072 | $39.8K | 0.00% | −4,936−14.5% | Reduced |
| Sanctuary Advisors, LLC | 28,740 | $39.4K | 0.00% | +5,609+24.2% | Added |
| Twin Peaks Wealth Advisors, LLC | 27,644 | $37.9K | 0.01% | 00.0% | Unchanged |
| Fisher Asset Management, LLC | 27,209 | $37.3K | 0.00% | +27,209 | New |
| Summit Financial Strategies, Inc. | 27,000 | $37.0K | 0.00% | 00.0% | Unchanged |
| Sowell Financial Services LLC | 27,000 | $37.0K | 0.00% | 00.0% | Unchanged |
| Swiss Life Asset Management Ltd | 26,371 | $36.1K | 0.00% | +11,182+73.6% | Added |
| Savant Capital, LLC | 26,050 | $35.7K | 0.00% | +100+0.4% | Added |
| High Net Worth Advisory Group LLC | 25,500 | $34.9K | 0.01% | −20−0.1% | Reduced |
| StoneCrest Wealth Management, Inc. | 25,000 | $34.3K | 0.02% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 24,666 | $33.8K | 0.00% | +62+0.3% | Added |
| Vishria Bird Financial Group, LLC | 24,265 | $33.2K | 0.01% | 00.0% | Unchanged |
| Paces Ferry Wealth Advisors, LLC | 23,500 | $32.2K | 0.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 22,532 | $30.9K | 0.00% | −922,258−97.6% | Reduced |
| Walleye Capital LLC | 21,785 | $29.8K | 0.00% | −18,254−45.6% | Reduced |
| Amalgamated Bank | 20,482 | $28.0K | 0.00% | 00.0% | Unchanged |
| Chicago Partners Investment Group LLC | 20,524 | $26.3K | 0.00% | −5,050−19.7% | Reduced |
| Frisch Financial Group, Inc. | 19,025 | $26.1K | 0.01% | 00.0% | Unchanged |
| Cerity Partners LLC | 18,485 | $25.3K | 0.00% | −2,439−11.7% | Reduced |
| Financial Advisory Corp | 17,270 | $24.0K | 0.01% | 00.0% | Unchanged |
| CIBC Asset Management Inc | 17,209 | $23.6K | 0.00% | 00.0% | Unchanged |
| J.W. Cole Advisors, Inc. | 16,230 | $22.2K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 15,840 | $22.0K | 0.00% | +500+3.3% | Added |
| Pathstone Holdings, LLC | 15,968 | $21.9K | 0.00% | −9,219−36.6% | Reduced |
| Allied Investment Advisors, LLC | 15,959 | $21.9K | 0.00% | −5,000−23.9% | Reduced |
| Atom Investors LP | 15,753 | $21.6K | 0.00% | +15,753 | New |
| Csenge Advisory Group | 15,474 | $21.2K | 0.00% | 00.0% | Unchanged |
| Country Trust Bank | 15,000 | $20.6K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 14,685 | $20.1K | 0.00% | +294+2.0% | Added |
| 111 Capital | 14,555 | $19.9K | 0.00% | −30,335−67.6% | Reduced |
| Signaturefd, LLC | 14,254 | $19.5K | 0.00% | +2,040+16.7% | Added |
| GF Fund Management Co. Ltd. | 13,727 | $18.8K | 0.00% | −1,753−11.3% | Reduced |
| Harbour Investments, Inc. | 13,165 | $18.0K | 0.00% | 00.0% | Unchanged |
| Seelaus Asset Management LLC | 12,500 | $17.1K | 0.01% | 00.0% | Unchanged |