Security record
FULC
Fulcrum Therapeutics, Inc. · Healthcare · Biotechnology
72Tracked holders
-4Δ holders
45.92MShares held
$168.41MReported value
+4New positions
−8Exits
Momentum inputs (comparable managers):
holder breadth -5.3% ·
share flow +30.0% ·
net new positions -5.6%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 72 | -4 | 45.92M | $168.41M | +4 | −8 |
| Q1 2026 | 78 | +4 | 31.56M | $242.15M | +9 | −5 |
| Q4 2025 | 74 | +3 | 26.56M | $300.41M | +3 | — |
| Q3 2025 | 15 | -3 | 15.03M | $138.26M | — | −3 |
| Q2 2025 | 15 | +2 | 16.83M | $115.80M | +2 | — |
| Q1 2025 | 10 | 0 | 7.12M | $20.50M | +1 | −1 |
| Q4 2024 | 10 | 0 | 6.97M | $32.77M | — | — |
| Q3 2024 | 9 | -1 | 6.03M | $21.54M | +1 | −2 |
| Q2 2024 | 10 | — | 5.45M | $33.81M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 8.82M | +63.7% | $32.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | D. E. Shaw & Co. ✦ | 3.04M | +87.5% | $11.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 11 | D. E. Shaw & Co. ✦ | 3.04M | +87.5% | $11.14M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 12 | Citadel Advisors ✦ | 2.70M | +109.2% | $9.90M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 13 | Vanguard Capital Management Llc | 2.70M | +0.2% | $9.87M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Jane Street Group, Llc | 2.22M | +614.4% | $8.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | Jane Street Group, Llc | 2.22M | +614.4% | $8.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 2.04M | +31.4% | $7.46M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 17 | Adage Capital Partners ✦ | 2.00M | +400.0% | $7.32M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 18 | Qube Research & Technologies Ltd | 1.75M | +79.4% | $6.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | Assenagon Asset Management S.A. | 1.67M | +39.9% | $6.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 20 | Assenagon Asset Management S.A. | 1.67M | +39.9% | $6.11M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Renaissance Technologies ✦ | 1.65M | +12016.2% | $6.03M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Millennium Management ✦ | 1.49M | +316.8% | $5.44M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 23 | Geode Capital Management ✦ (passive) | 1.43M | -3.7% | $5.24M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 24 | Geode Capital Management ✦ (passive) | 1.43M | -3.7% | $5.24M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 25 | Marshall Wace ✦ | 1.36M | New | $4.97M | 0.0% | New | 1 | SEC ↗ |
| 26 | Marshall Wace ✦ | 1.36M | New | $4.97M | 0.0% | New | 1 | SEC ↗ |
| 27 | UBS Group AG | 1.25M | +297.8% | $4.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | UBS Group AG | 1.25M | +297.8% | $4.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | UBS Group AG | 1.25M | +297.8% | $4.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Susquehanna International Group, Llp | 1.18M | +1065.4% | $4.32M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 1.10M | +103.1% | $4.04M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Goldman Sachs Group ✦ | 1.09M | +91.4% | $4.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 38 | Goldman Sachs Group ✦ | 1.09M | +91.4% | $4.01M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | Bank Of America Corp /De/ | 1.04M | +724.1% | $3.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Bank Of America Corp /De/ | 1.04M | +724.1% | $3.82M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Dimensional Fund Advisors Lp | 960.55K | -15.0% | $3.52M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Dimensional Fund Advisors Lp | 960.55K | -15.0% | $3.52M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Dimensional Fund Advisors Lp | 960.55K | -15.0% | $3.52M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Dimensional Fund Advisors Lp | 960.55K | -15.0% | $3.52M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Two Sigma Investments ✦ | 812.77K | +484.7% | $2.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Connor, Clark & Lunn Investment… | 745.32K | +1.2% | $2.73M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Balyasny Asset Management L.P. | 692.37K | -61.1% | $2.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Point72 Asset Management ✦ | 651.43K | -68.6% | $2.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Northern Trust Corp | 487.87K | +3.1% | $1.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | Northern Trust Corp | 487.87K | +3.1% | $1.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | Northern Trust Corp | 487.87K | +3.1% | $1.79M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | Charles Schwab Investment… | 433.22K | +1.5% | $1.59M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Wellington Management ✦ | 285.08K | +140.4% | $1.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 54 | Wellington Management ✦ | 285.08K | +140.4% | $1.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 55 | Wellington Management ✦ | 285.08K | +140.4% | $1.04M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 60 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 61 | Morgan Stanley ✦ | 184.19K | +6.3% | $674,143 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 62 | Alliancebernstein L.P. | 83.37K | +141.2% | $639,448 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | American Century Companies Inc | 155.87K | -0.2% | $570,477 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Nuveen, LLC | 154.87K | +19.5% | $566,828 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Nuveen, LLC | 154.87K | +19.5% | $566,828 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Bank of New York Mellon Corp | 154.51K | +3.0% | $565,519 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Bank of New York Mellon Corp | 154.51K | +3.0% | $565,519 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Bank of New York Mellon Corp | 154.51K | +3.0% | $565,519 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Bank of New York Mellon Corp | 154.51K | +3.0% | $565,519 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Bank of New York Mellon Corp | 154.51K | +3.0% | $565,519 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Squarepoint Ops LLC | 126.56K | -28.1% | $463,202 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 72 | Bnp Paribas Financial Markets | 119.04K | +741.4% | $435,679 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Hsbc Holdings Plc | 109.35K | +86.5% | $426,477 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 74 | Invesco Ltd. | 113.32K | +2.0% | $414,748 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 75 | Invesco Ltd. | 113.32K | +2.0% | $414,748 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Invesco Ltd. | 113.32K | +2.0% | $414,748 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Russell Investments Group, Ltd. | 104.20K | +31.6% | $381,366 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 104.20K | +31.6% | $381,366 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 104.20K | +31.6% | $381,366 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 104.20K | +31.6% | $381,366 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 104.20K | +31.6% | $381,366 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Canada Pension Plan Investment Board | 102.40K | +456.5% | $374,784 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | T. Rowe Price ✦ | 94.23K | +17.6% | $345,000 | 0.0% | ▲ Add | 9 | SEC ↗ |
| 84 | Fidelity (FMR) ✦ | 92.33K | +51.2% | $337,917 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 85 | Barclays Plc | 83.37K | -5.8% | $305,145 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Barclays Plc | 83.37K | -5.8% | $305,145 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 87 | Rhumbline Advisers | 73.44K | +11.0% | $268,793 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Citigroup Inc | 62.77K | +167.9% | $229,753 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Citigroup Inc | 62.77K | +167.9% | $229,753 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Deutsche Bank Ag\ | 52.38K | +7.3% | $191,714 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Wells Fargo & Company/Mn | 49.70K | +120.4% | $181,887 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | JPMorgan Chase ✦ | 41.37K | +38.9% | $154,314 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 93 | JPMorgan Chase ✦ | 41.37K | +38.9% | $154,314 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | JPMorgan Chase ✦ | 41.37K | +38.9% | $154,314 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | JPMorgan Chase ✦ | 41.37K | +38.9% | $154,314 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | JPMorgan Chase ✦ | 41.37K | +38.9% | $154,314 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | Commonwealth Equity Services, Llc | 40.00K | -0.7% | $146,400 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 98 | Franklin Resources Inc | 34.06K | -37.7% | $124,671 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 99 | Franklin Resources Inc | 34.06K | -37.7% | $124,671 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 100 | Sei Investments Co | 30.68K | New | $112,292 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $4.97M | 0.0% |
| Marshall Wace | $4.97M | 0.0% |
| Sei Investments Co | $112,292 | 0.0% |
Exited
| Aberdeen Group plc | $16.97M | was 0.0% |
| Alyeska Investment Group, L.P. | $10.19M | was 0.0% |
| State Of Wisconsin Investment… | $1.18M | was 0.0% |
| Man Group plc | $353,733 | was 0.0% |
| Simplex Trading, Llc | $321,679 | was 0.0% |
| Quantinno Capital Management… | $196,881 | was 0.0% |
| ProShare Advisors LLC | $89,402 | was 0.0% |
| Us Bancorp \De\ | $199 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 167 holders, 71.69M shares, $540.27M 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.
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: Q2 2026 ·
Methodology ·
Get this via the API