Who owns Fulcrum Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of FULC from SEC Form 13F filings across 154 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 154 institutions disclosed 79.5M shares of Fulcrum Therapeutics, Inc. worth $291.3M — about 104.2% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
154
13F holders
$291.3M
value, 2026 filers
104.2%
of shares outstanding (79.5M sh)
29
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of FULC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.8M | $32.3M | 0.0% | 11.6% | +63.7% |
| 2 | EcoR1 Capital, LLCNEW | 6.5M | $24.0M | 1.2% | 8.6% | new |
| 3 | TANG CAPITAL MANAGEMENT LLCNEW | 6.5M | $23.9M | 1.1% | 8.6% | new |
| 4 | Nantahala Capital Management, LLC | 5.5M | $20.0M | 0.7% | 7.2% | +79.5% |
| 5 | MONTANOVA CAPITAL, LLC | 3.7M | $13.5M | 0.2% | 4.8% | -43.9% |
| 6 | D. E. Shaw & Co., Inc. | 3.0M | $11.1M | 0.0% | 4% | +87.5% |
| 7 | CITADEL ADVISORS LLC | 2.7M | $9.9M | 0.0% | 3.5% | +109.2% |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | 2.7M | $9.9M | 0.0% | 3.5% | +0.2% |
| 9 | JANE STREET GROUP, LLC | 2.2M | $8.1M | 0.0% | 2.9% | +614.4% |
| 10 | STATE STREET CORP | 2.0M | $7.5M | 0.0% | 2.7% | +31.4% |
| 11 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.0M | $7.3M | 0.0% | 2.6% | +400.0% |
| 12 | GSK plc | 1.8M | $6.5M | 1.1% | 2.3% | 0.0% |
| 13 | Qube Research & Technologies Ltd | 1.7M | $6.4M | 0.0% | 2.3% | +79.4% |
| 14 | RENAISSANCE TECHNOLOGIES LLC | 1.6M | $6.0M | 0.0% | 2.2% | +12016.2% |
| 15 | ADAR1 Capital Management, LLC | 1.6M | $5.7M | 0.3% | 2.1% | +1098.7% |
| 16 | MILLENNIUM MANAGEMENT LLC | 1.5M | $5.4M | 0.0% | 1.9% | +316.8% |
| 17 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $5.2M | 0.0% | 1.9% | -3.7% |
| 18 | MARSHALL WACE, LLPNEW | 1.4M | $5.0M | 0.0% | 1.8% | new |
| 19 | UBS Group AG | 1.3M | $4.6M | 0.0% | 1.6% | +297.8% |
| 20 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.2M | $4.3M | 0.0% | 1.5% | +1065.4% |
| 21 | AQR CAPITAL MANAGEMENT LLC | 1.1M | $4.0M | 0.0% | 1.4% | +103.1% |
| 22 | GOLDMAN SACHS GROUP INC | 1.1M | $4.0M | 0.0% | 1.4% | +91.4% |
| 23 | Ikarian Capital, LLC | 1.0M | $3.8M | 0.4% | 1.4% | 0.0% |
| 24 | BANK OF AMERICA CORP /DE/ | 1.0M | $3.8M | 0.0% | 1.4% | +724.1% |
| 25 | ACADIAN ASSET MANAGEMENT LLC | 1.0M | $3.8M | 0.0% | 1.4% | +42.8% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.