Security record · archived quarter
GERN
Geron Corporation · Healthcare · Biotechnology
95Tracked holders
-3Δ holders
246.07MShares held
$324.82MReported value
+0New positions
−3Exits
Momentum inputs (comparable managers):
holder breadth -3.1% ·
share flow -6.3% ·
net new positions -3.2%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 89 | +1 | 281.21M | $360.08M | +7 | −8 |
| Q1 2026 | 93 | -3 | 271.64M | $404.62M | +7 | −10 |
| Q4 2025 | 95 | -3 | 246.07M | $324.82M | — | −3 |
| Q3 2025 | 17 | 0 | 193.54M | $265.15M | +2 | −2 |
| Q2 2025 | 14 | +1 | 162.89M | $229.67M | +1 | — |
| Q1 2025 | 10 | -1 | 76.28M | $121.30M | — | −1 |
| Q4 2024 | 11 | +1 | 96.17M | $340.44M | +2 | −1 |
| Q3 2024 | 9 | 0 | 71.98M | $326.79M | +2 | −2 |
| Q2 2024 | 9 | — | 67.08M | $284.41M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 45.91M | -1.5% | $60.61M | 0.0% | ▼ Trim | 3 | SEC ↗ ×13 |
| 2 | The Vanguard Group ✦ (passive) | 35.66M | +3.6% | $47.07M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 26.87M | +0.9% | $35.46M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | Goldman Sachs Group ✦ | 16.17M | -24.1% | $21.35M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 5 | Clearbridge Investments, LLC | 14.24M | — | $18.80M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Geode Capital Management ✦ (passive) | 13.03M | -0.7% | $17.20M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 7 | Morgan Stanley ✦ | 12.60M | +17.8% | $16.64M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 8 | Citadel Advisors ✦ | 9.93M | -36.8% | $13.10M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 9 | Aberdeen Group plc | 9.53M | — | $12.58M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | Fidelity (FMR) ✦ | 8.08M | +4.9% | $10.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 11 | Deutsche Bank Ag\ | 5.14M | — | $6.79M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 12 | Northern Trust Corp | 4.73M | — | $6.24M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 13 | Millennium Management ✦ | 4.60M | -59.5% | $6.08M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 14 | Charles Schwab Investment… | 4.51M | — | $5.96M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | UBS Group AG | 3.27M | — | $4.32M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 16 | Qube Research & Technologies Ltd | 3.11M | — | $4.10M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Two Sigma Investments ✦ | 2.80M | +51.3% | $3.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 18 | Bank Of America Corp /De/ | 2.70M | — | $3.56M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 19 | Nuveen, LLC | 2.00M | — | $2.64M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 20 | Barclays Plc | 1.58M | — | $2.08M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 21 | Bank of New York Mellon Corp | 1.57M | — | $2.08M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 22 | Susquehanna International Group, Llp | 1.30M | — | $1.71M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | UBS AM, a distinct business unit of… | 1.23M | — | $1.63M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 24 | Invesco Ltd. | 1.23M | — | $1.62M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 25 | Hrt Financial Lp | 1.20M | — | $1.58M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | Squarepoint Ops LLC | 1.13M | — | $1.49M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Jane Street Group, Llc | 1.01M | — | $1.34M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 28 | Swiss National Bank | 926.10K | — | $1.22M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Wells Fargo & Company/Mn | 855.14K | — | $1.13M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 30 | Mml Investors Services, Llc | 834.12K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Renaissance Technologies ✦ | 737.17K | -68.8% | $973,059 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 32 | Rhumbline Advisers | 727.51K | — | $960,305 | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Ameriprise Financial Inc | 651.57K | — | $860,073 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 34 | California State Teachers… | 475.26K | — | $627,339 | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Legal & General Group Plc | 443.33K | — | $585,192 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 36 | Alliancebernstein L.P. | 386.34K | — | $509,970 | 0.0% | n/c | 1 | SEC ↗ |
| 37 | T. Rowe Price ✦ | 312.03K | +8.0% | $412,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 38 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 301.59K | — | $399,062 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 39 | JPMorgan Chase ✦ | 264.48K | -72.9% | $349,111 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | Janus Henderson Group Plc | 239.36K | — | $317,148 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Russell Investments Group, Ltd. | 225.05K | — | $297,060 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 42 | Group One Trading Llc | 205.69K | — | $271,512 | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Creative Planning | 203.85K | — | $269,078 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | State Of Wisconsin Investment Board | 202.52K | — | $267,326 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Raymond James Financial Inc | 183.37K | — | $242,041 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 46 | New York State Common Retirement… | 171.45K | — | $226,318 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Manufacturers Life Insurance… | 166.84K | — | $220,234 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | State Board Of Administration Of… | 142.12K | — | $187,601 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Citigroup Inc | 139.39K | — | $183,996 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 50 | LPL Financial LLC | 129.39K | — | $170,792 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | ProShare Advisors LLC | 128.03K | — | $168,995 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Man Group plc | 123.85K | — | $163,479 | 0.0% | n/c | 1 | SEC ↗ |
| 53 | HighTower Advisors, LLC | 117.20K | — | $154,709 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Voya Investment Management Llc | 106.13K | — | $140,096 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Zurcher Kantonalbank (Zurich… | 103.23K | — | $136,264 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Wealth Enhancement Advisory… | 92.27K | — | $121,792 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Mercer Global Advisors Inc /Adv | 91.62K | — | $120,938 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Osaic Holdings, Inc. | 90.28K | — | $119,171 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 59 | Credit Agricole S A | 82.10K | — | $108,372 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Corient Private Wealth LP | 71.13K | — | $94,876 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 61 | Bnp Paribas Financial Markets | 71.63K | — | $94,549 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Pictet Asset Management Holding SA | 71.53K | — | $94,417 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Victory Capital Management Inc | 69.93K | — | $92,302 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Lazard Asset Management Llc | 64.88K | — | $85,640 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Cetera Investment Advisers | 57.78K | — | $76,272 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Mariner, LLC | 49.80K | — | $65,741 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 44.39K | -89.4% | $58,590 | 0.0% | ▼ Trim | 7 | SEC ↗ ×4 |
| 68 | Northwestern Mutual Wealth… | 40.00K | — | $52,800 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Royal Bank Of Canada | 39.26K | — | $52,000 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 70 | Prudential Financial Inc | 36.42K | — | $48,077 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Mackenzie Financial Corp | 34.23K | — | $45,771 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Simplex Trading, Llc | 34.60K | — | $45,670 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Sei Investments Co | 34.05K | — | $44,959 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 74 | Principal Financial Group Inc | 32.81K | — | $43,304 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Universal- Beteiligungs- und… | 32.73K | — | $43,200 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Stifel Financial Corp | 31.76K | — | $41,926 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 77 | Franklin Resources Inc | 31.40K | — | $41,447 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Mirae Asset Global Investments Co.… | 31.02K | — | $40,946 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Bank Of Montreal /Can/ | 29.07K | — | $38,375 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 80 | Amundi | 28.42K | — | $37,518 | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Canada Pension Plan Investment Board | 28.00K | — | $36,960 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | CIBC Asset Management Inc | 17.21K | — | $22,716 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Cerity Partners LLC | 16.81K | — | $22,186 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 84 | Commonwealth Equity Services, Llc | 15.56K | — | $20,550 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Captrust Financial Advisors | 13.58K | — | $17,924 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Baird Financial Group, Inc. | 11.50K | — | $15,180 | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Rockefeller Capital Management L.P. | 10.57K | — | $13,955 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 88 | Jones Financial Companies Lllp | 9.84K | — | $12,986 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | BNP Paribas Asset Management… | 9.17K | — | $12,000 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Us Bancorp \De\ | 4.00K | — | $5,280 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Daiwa Securities Group Inc. | 2.25K | — | $3,000 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Mitsubishi UFJ Asset Management… | 1.44K | — | $1,902 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Pnc Financial Services Group, Inc. | 1.24K | — | $1,637 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 94 | Assetmark, Inc | 335 | — | $442 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Cwm, Llc | 342 | — | $0 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Gotham Asset Management | $53,197 | was 0.0% |
| Fisher Asset Management | $37,276 | was 0.0% |
| Marshall Wace | $30,869 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 253 holders, 492.17M shares, $730.64M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Aug 14
SC 13G/A — RA CAPITAL MANAGEMENT, L.P.
Aug 07
SC 13G — STATE STREET CORP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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