Security record · archived quarter
GERN
Geron Corporation · Healthcare · Biotechnology
93Tracked holders
-3Δ holders
271.64MShares held
$404.62MReported value
+7New positions
−10Exits
Momentum inputs (comparable managers):
holder breadth -3.1% ·
share flow +14.5% ·
net new positions -3.2%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 | n/a | −3 |
| Q3 2025 | 17 | 0 | 193.54M | $265.15M | +2 | −2 |
| Q2 2025 | 14 | +1 | 162.89M | $229.67M | +1 | n/a |
| Q1 2025 | 10 | -1 | 76.28M | $121.30M | n/a | −1 |
| Q4 2024 | 11 | +1 | 96.17M | $340.44M | +2 | −1 |
| Q3 2024 | 9 | 0 | 71.98M | $326.79M | +2 | −2 |
| Q2 2024 | 9 | n/a | 67.08M | $284.41M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 47.32M | +3.1% | $70.51M | 0.0% | ▲ Add | 4 | SEC ↗ ×12 |
| 2 | State Street Global Advisors ✦ (passive) | 30.50M | +13.5% | $45.44M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 3 | Vanguard Capital Management Llc | 26.67M | n/a | $39.74M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Citadel Advisors ✦ | 21.58M | +117.4% | $32.15M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 5 | Point72 Asset Management ✦ | 20.46M | New | $30.48M | 0.1% | New | 1 | SEC ↗ |
| 6 | Clearbridge Investments, LLC | 19.62M | +37.8% | $29.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 13.67M | +4.9% | $20.37M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 8 | Morgan Stanley ✦ | 12.67M | +0.5% | $18.87M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 9 | Goldman Sachs Group ✦ | 11.18M | -30.9% | $16.65M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 10 | Millennium Management ✦ | 7.32M | +59.0% | $10.91M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 11 | Fidelity (FMR) ✦ | 6.60M | -18.3% | $9.83M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 12 | Deutsche Bank Ag\ | 5.20M | +1.2% | $7.75M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 13 | Northern Trust Corp | 4.86M | +2.9% | $7.24M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 14 | Bank Of America Corp /De/ | 4.56M | +68.9% | $6.79M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 15 | Charles Schwab Investment… | 4.48M | -0.7% | $6.68M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | UBS Group AG | 3.69M | +12.8% | $5.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 17 | Marshall Wace ✦ | 2.96M | New | $4.41M | 0.0% | New | 1 | SEC ↗ |
| 18 | Nuveen, LLC | 2.93M | +46.6% | $4.37M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 19 | Janus Henderson Group Plc | 2.22M | +826.7% | $3.30M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 20 | Two Sigma Investments ✦ | 1.89M | -32.5% | $2.82M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Renaissance Technologies ✦ | 1.80M | +144.1% | $2.68M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Bank of New York Mellon Corp | 1.54M | -2.1% | $2.29M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 23 | Qube Research & Technologies Ltd | 1.45M | -53.5% | $2.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 24 | Invesco Ltd. | 1.30M | +6.4% | $1.94M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 25 | UBS AM, a distinct business unit of… | 1.27M | +3.1% | $1.89M | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 26 | Susquehanna International Group, Llp | 1.25M | -3.6% | $1.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 27 | Hrt Financial Lp | 1.21M | +1.2% | $1.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Swiss National Bank | 947.50K | +2.3% | $1.41M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Jane Street Group, Llc | 771.97K | -23.8% | $1.15M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 30 | California State Teachers… | 737.14K | +55.1% | $1.10M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Rhumbline Advisers | 700.10K | -3.8% | $1.04M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Ameriprise Financial Inc | 651.18K | -0.1% | $970,265 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 33 | Citigroup Inc | 633.50K | +354.5% | $943,917 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 34 | Alliancebernstein L.P. | 555.70K | +43.8% | $733,525 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | Wells Fargo & Company/Mn | 460.73K | -46.1% | $686,485 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 36 | Bnp Paribas Financial Markets | 426.70K | +495.7% | $635,780 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Man Group plc | 396.91K | +220.5% | $591,393 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | T. Rowe Price ✦ | 390.02K | +25.0% | $582,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 39 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 318.81K | +5.7% | $470,017 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 40 | Legal & General Group Plc | 296.84K | -33.0% | $442,292 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 41 | Raymond James Financial Inc | 290.78K | +58.6% | $433,260 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 42 | JPMorgan Chase ✦ | 291.84K | +10.3% | $411,492 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 43 | Creative Planning | 220.60K | +8.2% | $328,700 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Group One Trading Llc | 207.98K | +1.1% | $309,892 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Barclays Plc | 205.97K | -86.9% | $306,891 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 46 | State Of Wisconsin Investment Board | 203.53K | +0.5% | $303,254 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | New York State Common Retirement… | 171.45K | 0.0% | $255,465 | 0.0% | Held | 2 | SEC ↗ |
| 48 | LPL Financial LLC | 149.86K | +15.8% | $223,287 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Manufacturers Life Insurance… | 148.67K | -10.9% | $221,517 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | State Board Of Administration Of… | 142.12K | 0.0% | $211,762 | 0.0% | Held | 2 | SEC ↗ |
| 51 | Amundi | 132.37K | +365.7% | $197,227 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Toronto Dominion Bank | 127.71K | New | $190,289 | 0.0% | New | 1 | SEC ↗ |
| 53 | Simplex Trading, Llc | 119.00K | +243.9% | $177,310 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | HighTower Advisors, LLC | 117.33K | +0.1% | $174,820 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 55 | Osaic Holdings, Inc. | 109.75K | +21.6% | $163,530 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 56 | ProShare Advisors LLC | 107.73K | -15.8% | $160,520 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Zurcher Kantonalbank (Zurich… | 103.23K | 0.0% | $153,813 | 0.0% | Held | 2 | SEC ↗ |
| 58 | Voya Investment Management Llc | 101.20K | -4.7% | $150,792 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Prudential Financial Inc | 87.75K | +140.9% | $130,750 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Jones Financial Companies Lllp | 88.95K | +804.2% | $124,533 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Mercer Global Advisors Inc /Adv | 82.31K | -10.2% | $122,648 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Credit Agricole S A | 82.10K | 0.0% | $122,329 | 0.0% | Held | 2 | SEC ↗ |
| 63 | Pictet Asset Management Holding SA | 71.53K | 0.0% | $106,577 | 0.0% | Held | 2 | SEC ↗ |
| 64 | Victory Capital Management Inc | 69.58K | -0.5% | $103,671 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | CIBC Bancorp USA Inc. | 69.50K | n/a | $103,562 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 66 | Lazard Asset Management Llc | 64.88K | 0.0% | $96,670 | 0.0% | Held | 2 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 59.85K | +34.8% | $89,172 | 0.0% | ▲ Add | 8 | SEC ↗ ×5 |
| 68 | Russell Investments Group, Ltd. | 49.05K | -78.2% | $73,079 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 69 | Sei Investments Co | 41.89K | +23.0% | $62,413 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 70 | Principal Financial Group Inc | 39.52K | +20.5% | $58,883 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Royal Bank Of Canada | 34.39K | -12.4% | $52,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 72 | Mirae Asset Global Investments Co.… | 33.30K | +7.3% | $49,611 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Universal- Beteiligungs- und… | 32.73K | 0.0% | $48,763 | 0.0% | Held | 2 | SEC ↗ |
| 74 | Franklin Resources Inc | 30.76K | -2.0% | $45,834 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Cetera Investment Advisers | 29.77K | -48.5% | $44,353 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Bank Of Montreal /Can/ | 29.07K | 0.0% | $43,317 | 0.0% | Held | 2 | SEC ↗ ×3 |
| 77 | Rockefeller Capital Management L.P. | 28.00K | +164.8% | $41,713 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 78 | Neuberger Berman Group LLC | 25.38K | New | $37,817 | 0.0% | New | 1 | SEC ↗ ×2 |
| 79 | Hsbc Holdings Plc | 22.28K | New | $33,203 | 0.0% | New | 1 | SEC ↗ ×3 |
| 80 | Envestnet Asset Management Inc | 18.19K | New | $27,100 | 0.0% | New | 1 | SEC ↗ |
| 81 | CIBC Asset Management Inc | 17.21K | 0.0% | $25,641 | 0.0% | Held | 2 | SEC ↗ |
| 82 | Captrust Financial Advisors | 15.57K | +14.7% | $23,204 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Commonwealth Equity Services, Llc | 15.53K | -0.2% | $23,140 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Stifel Financial Corp | 14.84K | -53.3% | $22,105 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 85 | Baird Financial Group, Inc. | 11.50K | 0.0% | $17,135 | 0.0% | Held | 2 | SEC ↗ |
| 86 | Corient Private Wealth LP | 10.81K | -84.8% | $16,110 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Pnc Financial Services Group, Inc. | 9.61K | +675.3% | $14,326 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 88 | BNP Paribas Asset Management… | 8.60K | -6.2% | $12,813 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 89 | Us Bancorp \De\ | 8.00K | +100.0% | $11,920 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 90 | Fifth Third Bancorp | 3.78K | New | $5,626 | 0.0% | New | 1 | SEC ↗ |
| 91 | Cwm, Llc | 3.53K | +931.3% | $5,255 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Mitsubishi UFJ Asset Management… | 1.44K | 0.0% | $2,147 | 0.0% | Held | 2 | SEC ↗ |
| 93 | Assetmark, Inc | 335 | 0.0% | $499 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Point72 Asset Management | $30.48M | 0.1% |
| Marshall Wace | $4.41M | 0.0% |
| Toronto Dominion Bank | $190,289 | 0.0% |
| Neuberger Berman Group LLC | $37,817 | 0.0% |
| Hsbc Holdings Plc | $33,203 | 0.0% |
| Envestnet Asset Management Inc | $27,100 | 0.0% |
| Fifth Third Bancorp | $5,626 | 0.0% |
Exited
| Aberdeen Group plc | $12.58M | was 0.0% |
| Squarepoint Ops LLC | $1.49M | was 0.0% |
| Mml Investors Services, Llc | $1.10M | was 0.0% |
| Wealth Enhancement Advisory… | $121,792 | was 0.0% |
| Mariner, LLC | $65,741 | was 0.0% |
| Northwestern Mutual Wealth… | $52,800 | was 0.0% |
| Mackenzie Financial Corp | $45,771 | was 0.0% |
| Canada Pension Plan… | $36,960 | was 0.0% |
| Cerity Partners LLC | $22,186 | was 0.0% |
| Daiwa Securities Group Inc. | $3,000 | 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: Q1 2026 ·
Methodology ·
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