Security record · archived quarter
FULC
Fulcrum Therapeutics, Inc. · Healthcare · Biotechnology
78Tracked holders
+4Δ holders
31.56MShares held
$242.15MReported value
+9New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +5.4% ·
share flow +22.8% ·
net new positions +5.1%
— formula
Broad accumulation — rising shares across more 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 | 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 5.39M | +26.4% | $41.35M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 11 | Vanguard Capital Management Llc | 2.69M | — | $20.65M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Aberdeen Group plc | 2.21M | +76.4% | $16.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | Point72 Asset Management ✦ | 2.07M | -13.5% | $15.91M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | Balyasny Asset Management L.P. | 1.78M | +83.4% | $13.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | D. E. Shaw & Co. ✦ | 1.62M | -15.2% | $12.45M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 16 | D. E. Shaw & Co. ✦ | 1.62M | -15.2% | $12.45M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 17 | State Street Global Advisors ✦ (passive) | 1.55M | +54.2% | $11.89M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 1.49M | +34.4% | $11.40M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.49M | +34.4% | $11.40M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 20 | Alyeska Investment Group, L.P. | 1.33M | New | $10.19M | 0.0% | New | 1 | SEC ↗ |
| 21 | Citadel Advisors ✦ | 1.29M | +7.1% | $9.91M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 22 | Citadel Advisors ✦ | 1.29M | +7.1% | $9.91M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 23 | Assenagon Asset Management S.A. | 1.19M | New | $9.16M | 0.0% | New | 1 | SEC ↗ |
| 24 | Dimensional Fund Advisors Lp | 1.13M | +7.5% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Dimensional Fund Advisors Lp | 1.13M | +7.5% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Dimensional Fund Advisors Lp | 1.13M | +7.5% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Dimensional Fund Advisors Lp | 1.13M | +7.5% | $8.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Qube Research & Technologies Ltd | 974.74K | +148.3% | $7.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Connor, Clark & Lunn Investment… | 736.68K | +26.5% | $5.65M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 571.91K | +76.6% | $4.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Goldman Sachs Group ✦ | 571.91K | +76.6% | $4.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 543.16K | +3403.8% | $4.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | Northern Trust Corp | 472.99K | -14.3% | $3.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Northern Trust Corp | 472.99K | -14.3% | $3.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Northern Trust Corp | 472.99K | -14.3% | $3.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Charles Schwab Investment… | 426.87K | +9.8% | $3.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Adage Capital Partners ✦ | 400.00K | -76.5% | $3.07M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 45 | Millennium Management ✦ | 356.47K | +554.9% | $2.73M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 46 | UBS Group AG | 315.19K | +206.1% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | UBS Group AG | 315.19K | +206.1% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | UBS Group AG | 315.19K | +206.1% | $2.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Jane Street Group, Llc | 310.42K | -37.1% | $2.38M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | Jane Street Group, Llc | 310.42K | -37.1% | $2.38M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | Squarepoint Ops LLC | 175.94K | +167.2% | $1.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 173.34K | +4.7% | $1.33M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | American Century Companies Inc | 156.24K | -0.9% | $1.20M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | State Of Wisconsin Investment Board | 154.44K | +78.5% | $1.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Bank of New York Mellon Corp | 149.94K | +28.3% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 149.94K | +28.3% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Bank of New York Mellon Corp | 149.94K | +28.3% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Bank of New York Mellon Corp | 149.94K | +28.3% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Bank of New York Mellon Corp | 149.94K | +28.3% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Two Sigma Investments ✦ | 139.00K | New | $1.07M | 0.0% | New | 1 | SEC ↗ |
| 66 | Nuveen, LLC | 129.62K | +15.5% | $994,170 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Bank Of America Corp /De/ | 126.56K | -45.2% | $970,708 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Wellington Management ✦ | 118.60K | -19.0% | $909,662 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | Wellington Management ✦ | 118.60K | -19.0% | $909,662 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 70 | Wellington Management ✦ | 118.60K | -19.0% | $909,662 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 71 | Invesco Ltd. | 111.12K | -73.4% | $852,329 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Invesco Ltd. | 111.12K | -73.4% | $852,329 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Invesco Ltd. | 111.12K | -73.4% | $852,329 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Susquehanna International Group, Llp | 101.34K | +15.2% | $777,247 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 75 | Barclays Plc | 88.46K | -33.3% | $678,473 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Barclays Plc | 88.46K | -33.3% | $678,473 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | T. Rowe Price ✦ | 80.17K | +25.7% | $615,000 | 0.0% | ▲ Add | 8 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 79.16K | +2114.8% | $607,139 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 79.16K | +2114.8% | $607,139 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 79.16K | +2114.8% | $607,139 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 79.16K | +2114.8% | $607,139 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Russell Investments Group, Ltd. | 79.16K | +2114.8% | $607,139 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Rhumbline Advisers | 66.17K | +18.8% | $507,551 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Creative Planning | 64.09K | +189.9% | $491,563 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Fidelity (FMR) ✦ | 61.04K | +693.7% | $468,184 | 0.0% | ▲ Add | 4 | SEC ↗ |
| 86 | Hsbc Holdings Plc | 58.64K | -32.2% | $441,529 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Franklin Resources Inc | 54.67K | +23.5% | $419,288 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Franklin Resources Inc | 54.67K | +23.5% | $419,288 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Group One Trading Llc | 53.76K | +54.7% | $412,309 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Alliancebernstein L.P. | 34.57K | +126.4% | $390,987 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Deutsche Bank Ag\ | 48.83K | -83.0% | $374,511 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 92 | Deutsche Bank Ag\ | 48.83K | -83.0% | $374,511 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 93 | Man Group plc | 46.12K | +202.4% | $353,733 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Simplex Trading, Llc | 41.94K | +423.3% | $321,679 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 95 | Commonwealth Equity Services, Llc | 40.29K | +0.7% | $309,020 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 96 | LMR Partners LLP | 30.00K | 0.0% | $230,100 | 0.0% | Held | 2 | SEC ↗ |
| 97 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 28.08K | +40.2% | $215,374 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 98 | Quantinno Capital Management LP | 25.67K | -12.3% | $196,881 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | JPMorgan Chase ✦ | 29.79K | +43.3% | $196,031 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | JPMorgan Chase ✦ | 29.79K | +43.3% | $196,031 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Alyeska Investment Group, L.P. | $10.19M | 0.0% |
| Assenagon Asset Management… | $9.16M | 0.0% |
| Two Sigma Investments | $1.07M | 0.0% |
Exited
| Marshall Wace | $1.16M | was 0.0% |
| Ameriprise Financial Inc | $1.14M | was 0.0% |
| Principal Financial Group Inc | $1.10M | was 0.0% |
| Sei Investments Co | $424,249 | was 0.0% |
| Daiwa Securities Group Inc. | $2,000 | 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: Q1 2026 ·
Methodology ·
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