Latest Period
Q2 2026
Security Snapshot
Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share (FULC) Institutional Ownership
CUSIP: 359616109
13F Institutional Holders and Ownership History from Q3 2019 to Q2 2026
Institutions Reporting
154
Shares (Excl. Options)
79,411,211
Price
$3.66
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- FULC on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 79,411,211
- Total 13F value
- $290,667,455
- Portfolio coverage rank
- 0%
- Share change
- +7,635,751
- Value change
- -$81,153,987
- Number of holders
- 154
- Shares outstanding
- 66,925,836
- SEC-reported price per share
- $3.71
- Insider filing price
- $3.71
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- FULC - Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share is tracked under CUSIP 359616109.
- 154 institutions reported positions in Q2 2026.
- 8 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 169 to 154 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $550,143,756 to $290,667,455.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 154 institutions filings for Q2 2026.
Security key
359616109
Latest holder period
Q2 2026
13F holders
154
13D/G owners
8
CIK / CUSIP context first
Open Q2 2026 holders
FULC full holder history
Fulcrum Therapeutics, Inc. SEC filings
Fulcrum Therapeutics, Inc. company facts
Fulcrum Therapeutics, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 359616109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
8
Security
FULC
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| TANG CAPITAL MANAGEMENT LLC | 10% | +28% | $25,302,784 | +$5,349,196 | 6,913,329 | +27% | TANG CAPITAL MANAGEMENT, LLC | 13 Jul 2026 |
| EcoR1 Capital, LLC | 9% | $41,760,000 | 6,000,000 | EcoR1 Capital, LLC | 17 Jun 2026 | |||
| Nantahala Capital Management, LLC | 8.2% | +73% | $20,038,646 | +$8,875,500 | 5,475,040 | +80% | Nantahala Capital Management, LLC | 30 Jun 2026 |
| BlackRock, Inc. | 7.2% | +20% | $17,578,541 | +$5,609,162 | 4,802,880 | +47% | BlackRock, Inc. | 30 Jun 2026 |
| BANK OF AMERICA CORP /DE/ | 6.7% | $16,353,330 | 4,468,123 | BANK OF AMERICA CORP /DE/ | 30 Jun 2026 | |||
| BlackRock Portfolio Management LLC | 6% | $14,718,247 | 4,021,379 | BlackRock Portfolio Management LLC | 30 Jun 2026 | |||
| MONTANOVA CAPITAL, LLC | 5.5% | -43% | $13,472,171 | -$5,074,491 | 3,680,921 | -27% | Montanova Capital, LLC | 30 Jun 2026 |
| Adage Capital Management, L.P. | 4.5% | -44% | $22,374,400 | -$19,844,400 | 2,432,000 | -47% | Adage Capital Management, L.P. | 30 Sep 2025 |
As of 30 Jun 2026, 154 institutional investors reported holding 79,411,211 shares of Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share (FULC). This represents 119% of the company’s total 66,925,836 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
96%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13% | 8,824,259 | +64% | 0% | $32,296,788 |
| EcoR1 Capital, LLC | 9.8% | 6,549,866 | 1.2% | $23,972,510 | |
| TANG CAPITAL MANAGEMENT LLC | 9.7% | 6,521,412 | 1.1% | $23,868,368 | |
| Nantahala Capital Management, LLC | 8.2% | 5,475,040 | +80% | 1.2% | $20,038,646 |
| MONTANOVA CAPITAL, LLC | 5.5% | 3,680,921 | -44% | 0.28% | $13,472,171 |
| D. E. Shaw & Co., Inc. | 4.5% | 3,044,385 | +88% | 0.01% | $11,142,449 |
| CITADEL ADVISORS LLC | 4% | 2,704,505 | +109% | 0.01% | $9,898,488 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 2,697,216 | +0.16% | 0% | $9,871,811 |
| JANE STREET GROUP, LLC | 3.3% | 2,217,498 | +614% | 0.01% | $8,116,043 |
| STATE STREET CORP | 3% | 2,037,025 | +31% | 0% | $7,455,512 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3% | 2,000,000 | +400% | 0.01% | $7,320,000 |
| GSK plc | 2.7% | 1,785,714 | 0% | 1.1% | $6,535,713 |
| Qube Research & Technologies Ltd | 2.6% | 1,748,467 | +79% | 0.01% | $6,399,389 |
| RENAISSANCE TECHNOLOGIES LLC | 2.5% | 1,647,800 | +12016% | 0.01% | $6,030,948 |
| ADAR1 Capital Management, LLC | 2.3% | 1,565,029 | +1099% | 0.27% | $5,728,006 |
| MILLENNIUM MANAGEMENT LLC | 2.2% | 1,485,803 | +317% | 0% | $5,438,039 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 1,432,133 | -3.7% | 0% | $5,242,680 |
| MARSHALL WACE, LLP | 2% | 1,358,423 | 0% | $4,971,828 | |
| UBS Group AG | 1.9% | 1,253,909 | +298% | 0% | $4,589,307 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.8% | 1,180,946 | +1065% | 0% | $4,322,262 |
| AQR CAPITAL MANAGEMENT LLC | 1.6% | 1,103,261 | +103% | 0% | $4,037,935 |
| GOLDMAN SACHS GROUP INC | 1.6% | 1,094,425 | +91% | 0% | $4,005,595 |
| Ikarian Capital, LLC | 1.6% | 1,049,161 | 0% | 0.63% | $3,839,929 |
| BANK OF AMERICA CORP /DE/ | 1.6% | 1,043,029 | +724% | 0% | $3,817,486 |
| ACADIAN ASSET MANAGEMENT LLC | 1.6% | 1,038,797 | +43% | 0% | $3,794,000 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
28
Latest
Q2 2026
Rows shown
1-25 of 28
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 79,411,211 | $290,667,455 | -$81,153,987 | $3.66 | 154 |
| 2026 Q1 | 71,717,233 | $550,143,756 | +$6,377,706 | $7.67 | 169 |
| 2025 Q4 | 67,444,423 | $762,744,189 | +$134,984,797 | $11.31 | 173 |
| 2025 Q3 | 53,790,538 | $494,909,349 | -$1,273,053 | $9.20 | 127 |
| 2025 Q2 | 54,400,644 | $374,498,177 | +$23,533,452 | $6.88 | 122 |
| 2025 Q1 | 51,307,184 | $147,764,693 | -$3,070,431 | $2.88 | 115 |
| 2024 Q4 | 51,666,381 | $242,831,448 | -$8,308,464 | $4.70 | 117 |
| 2024 Q3 | 54,857,560 | $195,845,950 | -$86,380,213 | $3.57 | 127 |
| 2024 Q2 | 64,752,304 | $401,470,762 | +$19,716,085 | $6.20 | 120 |
| 2024 Q1 | 60,342,845 | $569,639,654 | -$2,974,963 | $9.44 | 122 |
| 2023 Q4 | 61,083,723 | $412,326,970 | +$14,153,071 | $6.75 | 100 |
| 2023 Q3 | 56,394,454 | $250,394,156 | +$9,019,379 | $4.44 | 79 |
| 2023 Q2 | 55,518,138 | $183,197,485 | -$14,257,183 | $3.30 | 85 |
| 2023 Q1 | 60,413,854 | $172,155,022 | +$51,602 | $2.85 | 115 |
| 2022 Q4 | 50,644,890 | $368,693,025 | -$13,010,376 | $7.28 | 109 |
| 2022 Q3 | 52,209,184 | $422,360,458 | +$98,764,326 | $8.09 | 104 |
| 2022 Q2 | 40,127,745 | $196,621,873 | -$32,729,118 | $4.90 | 97 |
| 2022 Q1 | 39,071,704 | $923,864,555 | +$64,674,079 | $23.65 | 104 |
| 2021 Q4 | 37,197,291 | $657,236,909 | -$42,835,792 | $17.69 | 107 |
| 2021 Q3 | 36,552,286 | $1,031,536,477 | +$305,128,643 | $28.21 | 100 |
| 2021 Q2 | 26,798,436 | $280,833,000 | -$3,275,840 | $10.48 | 66 |
| 2021 Q1 | 26,913,060 | $317,031,000 | +$45,552,581 | $11.78 | 68 |
| 2020 Q4 | 22,170,825 | $259,615,000 | +$20,231,071 | $11.71 | 65 |
| 2020 Q3 | 20,593,739 | $163,306,000 | -$36,882,837 | $7.93 | 53 |
| 2020 Q2 | 20,455,938 | $373,550,782 | +$66,390,720 | $18.29 | 60 |