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, Q1 2023
Institutional positions in Geron Corp as of Mar 31, 2023. 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
- 191
- +7 vs. Q4 2022
- Shares held
- 325.5M
- +117.1M (+56.2%) vs. Q4 2022
- Total value
- $706.4M
- +$198.5M (+39.1%) vs. Q4 2022
- New holders
- 41
- 77 more added
- Sold out
- 34
- 35 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ra Capital Management, L.P. | 31,544,806 | $68.5M | 1.55% | +18,614,095+144.0% | Added |
| BlackRock Inc. | 31,498,755 | $68.4M | 0.00% | +4,237,620+15.5% | Added |
| Deep Track Capital, LP | 26,867,479 | $58.3M | 2.48% | +19,452,786+262.4% | Added |
| State Street Corp | 25,557,601 | $55.5M | 0.00% | +5,845,412+29.7% | Added |
| Vanguard Group Inc | 22,541,968 | $48.9M | 0.00% | +3,601,660+19.0% | Added |
| NEA Management Company, LLC | 21,347,838 | $46.3M | 3.20% | +5,029,157+30.8% | Added |
| Vivo Capital, LLC | 19,282,834 | $41.8M | 3.13% | 00.0% | Unchanged |
| TCG Crossover Management, LLC | 17,765,213 | $38.6M | 7.51% | +2,578,140+17.0% | Added |
| Wellington Management Group LLP | 10,974,066 | $23.8M | 0.00% | +10,687,554+3,730.2% | Added |
| MPM Oncology Impact Management LP | 8,401,565 | $18.2M | 4.74% | −65,416−0.8% | Reduced |
| Sofinnova Investments, Inc. | 8,274,892 | $18.0M | 1.22% | +6,815,303+466.9% | Added |
| FMR LLC | 8,142,625 | $17.7M | 0.00% | +7,958,208+4,315.3% | Added |
| Geode Capital Management, LLC | 8,081,850 | $17.5M | 0.00% | +1,655,765+25.8% | Added |
| Fairmount Funds Management LLC | 7,104,358 | $15.4M | 2.65% | +7,104,358 | New |
| Citadel Advisors LLC | 6,888,803 | $14.9M | 0.02% | +6,569,096+2,054.7% | Added |
| Artal Group S.A. | 5,565,889 | $12.1M | 0.72% | +5,565,889 | New |
| Millennium Management LLC | 5,325,894 | $11.6M | 0.01% | +1,500,148+39.2% | Added |
| Northern Trust Corp | 4,242,241 | $9.21M | 0.00% | +614,165+16.9% | Added |
| Invesco Ltd. | 4,014,130 | $8.71M | 0.00% | +3,852,094+2,377.3% | Added |
| Logos Global Management LP | 3,550,000 | $7.70M | 1.10% | −450,000−11.3% | Reduced |
| Walleye Capital LLC | 3,489,434 | $7.57M | 0.15% | +2,166,056+163.7% | Added |
| Baker Bros. Advisors LP | 3,061,224 | $6.64M | 0.04% | +3,061,224 | New |
| Point72 Asset Management, L.P. | 2,993,100 | $6.50M | 0.02% | +2,993,100 | New |
| Goldman Sachs Group Inc | 2,397,053 | $5.20M | 0.00% | +1,251,703+109.3% | Added |
| Bank of America Corp | 2,316,193 | $5.03M | 0.00% | +731,988+46.2% | Added |
| Octagon Capital Advisors LP | 2,278,000 | $4.94M | 0.71% | +2,278,000 | New |
| Avidity Partners Management LP | 2,128,000 | $4.62M | 0.15% | +2,128,000 | New |
| Rafferty Asset Management, LLC | 1,844,634 | $4.00M | 0.03% | +564,779+44.1% | Added |
| D. E. Shaw & Co., Inc. | 1,644,388 | $3.57M | 0.01% | −347,848−17.5% | Reduced |
| Citigroup Inc | 1,480,704 | $3.21M | 0.00% | +910,697+159.8% | Added |
| Bank of New York Mellon Corp | 1,403,491 | $3.05M | 0.00% | +141,653+11.2% | Added |
| Nuveen Asset Management, LLC | 1,321,215 | $2.87M | 0.00% | +384,731+41.1% | Added |
| Susquehanna International Group, LLP | 1,241,314 | $2.69M | 0.00% | +1,036,400+505.8% | Added |
| Charles Schwab Investment Management Inc | 1,138,518 | $2.47M | 0.00% | +177,382+18.5% | Added |
| Morgan Stanley | 1,113,885 | $2.42M | 0.00% | +521,985+88.2% | Added |
| Swiss National Bank | 801,900 | $1.74M | 0.00% | −19,100−2.3% | Reduced |
| UBS Group AG | 791,229 | $1.72M | 0.00% | +172,257+27.8% | Added |
| Barclays PLC | 789,986 | $1.71M | 0.00% | −135,219−14.6% | Reduced |
| BNP Paribas Arbitrage, SA | 754,371 | $1.64M | 0.00% | +486,845+182.0% | Added |
| Rhumbline Advisers | 572,637 | $1.24M | 0.00% | +64,432+12.7% | Added |
| Credit Suisse AG | 531,560 | $1.15M | 0.00% | +27,349+5.4% | Added |
| Norges Bank | 516,300 | $1.12M | 0.00% | +516,300 | New |
| Advisory Research Inc | 494,776 | $1.07M | 0.18% | +297,752+151.1% | Added |
| California State Teachers Retirement System | 485,535 | $1.05M | 0.00% | +45,222+10.3% | Added |
| Ghost Tree Capital, LLC | 450,000 | $977.0K | 0.37% | +450,000 | New |
| Wells Fargo & Company | 414,996 | $900.5K | 0.00% | +391,321+1,652.9% | Added |
| Crestline Management, LP | 408,812 | $887.1K | 0.11% | +408,812 | New |
| Maven Securities LTD | 400,000 | $868.0K | 0.14% | +400,000 | New |
| Summit X, LLC | 374,770 | $813.2K | 0.21% | +271,606+263.3% | Added |
| Alliancebernstein L.P. | 360,811 | $783.0K | 0.00% | +17,300+5.0% | Added |
| Profund Advisors LLC | 343,602 | $745.6K | 0.05% | +343,602 | New |
| State of Wisconsin Investment Board | 342,757 | $743.8K | 0.00% | +22,534+7.0% | Added |
| JPMorgan Chase & Co | 330,904 | $718.0K | 0.00% | +116,895+54.6% | Added |
| UBS Asset Management Americas Inc | 330,634 | $717.5K | 0.00% | +40,259+13.9% | Added |
| Deutsche Bank AG | 303,733 | $659.1K | 0.00% | +74,730+32.6% | Added |
| Allspring Global Investments Holdings, LLC | 303,508 | $658.6K | 0.00% | +248,403+450.8% | Added |
| Velan Capital Investment Management LP | 300,000 | $651.0K | 0.58% | +300,000 | New |
| Alps Advisors Inc | 287,983 | $624.9K | 0.01% | +29,552+11.4% | Added |
| Teachers Retirement System of the State of Kentucky | 281,925 | $612.0K | 0.01% | +281,925 | New |
| Jane Street Group, LLC | 281,226 | $610.3K | 0.00% | +249,616+789.7% | Added |
| Laurion Capital Management LP | 230,704 | $500.6K | 0.02% | +230,704 | New |
| MetLife Investment Management | 225,163 | $488.6K | 0.00% | +50,422+28.9% | Added |
| Advisor Group Holdings, Inc. | 218,817 | $474.8K | 0.00% | +9,705+4.6% | Added |
| Walleye Trading LLC | 214,953 | $466.4K | 0.02% | +214,953 | New |
| Cambridge Investment Research Advisors, Inc. | 207,115 | $449.0K | 0.00% | −34,366−14.2% | Reduced |
| American International Group, Inc. | 206,580 | $448.3K | 0.00% | +34,753+20.2% | Added |
| Private Advisor Group, LLC | 199,900 | $433.8K | 0.00% | +145,250+265.8% | Added |
| New York State Common Retirement Fund | 192,946 | $418.7K | 0.00% | −62,135−24.4% | Reduced |
| SG Americas Securities, LLC | 185,910 | $403.0K | 0.01% | +123,036+195.7% | Added |
| ClariVest Asset Management LLC | 183,519 | $399.0K | 0.02% | −177−0.1% | Reduced |
| Janus Henderson Group PLC | 181,480 | $392.9K | 0.00% | +132,063+267.2% | Added |
| Prudential Financial Inc | 179,802 | $390.2K | 0.00% | −48,540−21.3% | Reduced |
| Legal & General Group Plc | 175,350 | $380.5K | 0.00% | +28,171+19.1% | Added |
| Commonwealth Equity Services, LLC | 171,771 | $372.0K | 0.00% | +20,559+13.6% | Added |
| Putnam Investments LLC | 168,084 | $364.7K | 0.00% | −81,056−32.5% | Reduced |
| Voya Investment Management LLC | 159,047 | $345.1K | 0.00% | −867,417−84.5% | Reduced |
| Price T Rowe Associates Inc | 155,811 | $339.0K | 0.00% | −44,766−22.3% | Reduced |
| Occudo Quantitative Strategies LP | 149,069 | $323.5K | 0.03% | −67,678−31.2% | Reduced |
| Manufacturers Life Insurance Company, The | 147,222 | $319.5K | 0.00% | +7,535+5.4% | Added |
| Arnhold LLC | 142,400 | $309.0K | 0.04% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 127,922 | $277.6K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 125,615 | $272.6K | 0.00% | +125,615 | New |
| LPL Financial LLC | 117,167 | $254.3K | 0.00% | −2,400−2.0% | Reduced |
| DekaBank Deutsche Girozentrale | 120,000 | $251.0K | 0.00% | +120,000 | New |
| Teacher Retirement System of Texas | 114,457 | $248.0K | 0.00% | +9,521+9.1% | Added |
| AQR Capital Management LLC | 111,763 | $242.5K | 0.00% | +25,963+30.3% | Added |
| Two Sigma Investments, LP | 108,610 | $235.7K | 0.00% | +96,510+797.6% | Added |
| Arizona State Retirement System | 107,657 | $233.6K | 0.00% | +11,707+12.2% | Added |
| E Fund Management Co., Ltd. | 104,721 | $227.0K | 0.02% | +38,059+57.1% | Added |
| Principal Financial Group Inc | 104,097 | $225.9K | 0.00% | +6,650+6.8% | Added |
| Public Employees Retirement Association of Colorado | 89,722 | $195.0K | 0.00% | −221,855−71.2% | Reduced |
| Cubist Systematic Strategies, LLC | 88,982 | $193.1K | 0.00% | +19,692+28.4% | Added |
| Credit Agricole S A | 88,000 | $191.0K | 0.01% | 00.0% | Unchanged |
| Douglas Lane & Associates, LLC | 81,900 | $177.7K | 0.00% | −2,000−2.4% | Reduced |
| ProShare Advisors LLC | 80,682 | $175.1K | 0.00% | +2,412+3.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 80,666 | $175.0K | 0.00% | +80,666 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 78,189 | $169.7K | 0.00% | +10,230+15.1% | Added |
| CI Private Wealth, LLC | 77,097 | $167.3K | 0.00% | +35,000+83.1% | Added |
| Simplex Trading, LLC | 77,387 | $167.0K | 0.01% | +77,387 | New |
| Dynamic Technology Lab Private Ltd | 73,773 | $160.0K | 0.01% | +73,773 | New |