Fulcrum Therapeutics Inc

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Fulcrum Therapeutics Inc
TickerFULC
CIK #0001680581
CUSIP359616109
SectorLife Sciences - Pharmaceutical Preparations
Address26 Landsdowne Street, Cambridge, MA 02139
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Fulcrum Therapeutics Inc 2020-06-11 68.5 M Exemption: 506(b) · Duration: One year or less · Commission: $4,109,999 · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001680581] 10-K
[0001680581] 10-Q
[0001680581] 3
[0001680581] 4
[0001680581] 5
[0001680581] 8-K
[0001680581] D
[0001680581] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Portfolio Management LLC Fulcrum Therapeutics Inc [2026-07-17] 0.0
EcoR1 Capital LLC Fulcrum Therapeutics Inc [2026-06-25] 0.0
EcoR1 Capital LLC Fulcrum Therapeutics Inc [2026-06-25] 0.0
Tang Capital Management LLC Fulcrum Therapeutics Inc [2026-06-10] 0.0
Adage Capital Management LP Fulcrum Therapeutics Inc [2025-02-12] 0.0
Suvretta Capital Management LLC Fulcrum Therapeutics Inc [2025-01-06] 0.0
BlackRock Inc Fulcrum Therapeutics Inc [2024-12-06] 10.3
Nantahala Capital Management LLC Fulcrum Therapeutics Inc [2024-11-14] 0.0
BlackRock Inc Fulcrum Therapeutics Inc [2024-11-08] 9.1
BlackRock Inc Fulcrum Therapeutics Inc [2024-10-21] 9.1
TCG Crossover GP II LLC Fulcrum Therapeutics Inc [2024-09-20] 0.4
Adage Capital Partners GP LLC Fulcrum Therapeutics Inc [2023-03-06] 5.63
RA Capital Management LP Fulcrum Therapeutics Inc [2022-08-26] 13.45
Point72 Asset Management LP Fulcrum Therapeutics Inc [2022-06-22] 4.3
Adage Capital Partners GP LLC Fulcrum Therapeutics Inc [2022-03-10] 5.29
Cowen Financial Products LLC Fulcrum Therapeutics Inc [2022-03-09] 5.16
BlackRock Inc Fulcrum Therapeutics Inc [2022-02-04] 5.4
Suvretta Capital Management LLC Fulcrum Therapeutics Inc [2021-08-10] 5.5
RTW Investments LP Fulcrum Therapeutics Inc [2020-11-13] 7.55
Point72 Asset Management LP Fulcrum Therapeutics Inc [2020-09-18] 5.0
Casdin Capital LLC Fulcrum Therapeutics Inc [2020-02-20] 5.3
GlaxoSmithKline PLC Fulcrum Therapeutics Inc [2020-02-14] 7.7
FMR LLC Fulcrum Therapeutics Inc [2020-02-07] 0.0
Third Rock Ventures IV LP Fulcrum Therapeutics Inc [2020-02-05] 10.0
Third Rock Ventures III LP Fulcrum Therapeutics Inc [2020-02-05] 25.5
Foresite Capital Fund IV LP Fulcrum Therapeutics Inc [2019-07-29] 7.2
Sanofi Fulcrum Therapeutics Inc [2019-07-29] 2.4
Form 3/4/5 Filer 2011 - 2026
Fulcrum Therapeutics Inc
Hill Colin
King Rachel K
Geraghty James A
Ezekowitz Alan
Banks Sonja
Dorton Katina
Gould Robert J
Haviland Kate
Lehrer-Graiwer Joshua
Sapir Alex
Oltmans Curtis Gale
Tourangeau Greg
Musso Alan A
Shah Rajeev M
RA Capital Healthcare Fund LP
RA Capital Management LP
Kolchinsky Peter
Collins James J
Horn Patrick Taylor
Hayes Melvin H III
Rajavelu Esther
Third Rock Ventures III LP
Third Rock Ventures GP III LP
TRV GP III LLC
Tepper Robert I
Arroyo Santiago
Morabito Christopher
Thomson Peter G
Dunn Judith
Stuart Bryan
Levin Mark J
Starr Kevin P
Moxham Christopher
Wallace Owen B
Cadavid Diego
GlaxoSmithKline PLC
Sanofi
Casdin Eli
Casdin Partners Master Fund LP
Casdin Capital LLC
Casdin Partners GP LLC
Section 32 Fund 2 LP
Maris William J
Section 32 GP 2 LLC
Third Rock Ventures GP IV LP
Third Rock Ventures IV LP
TRV GP IV LLC
6 Dimensions Capital LP
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Musso Alan A
Stock Option (right to buy) · derivative
2026-02-02 Grant 170,000 $0.00
Sapir Alex
Stock option - Right to Buy · derivative
2026-02-02 Grant 650,000 $0.00
Gould Robert J
Common Stock
2026-02-02 Sell 15,000 $10.72 160,800
Oltmans Curtis Gale
Stock Option (right to buy) · derivative
2026-02-02 Grant 170,000 $0.00
Tourangeau Greg
Stock Option (right to buy) · derivative
2026-02-02 Grant 57,000 $0.00
Common Stock
2026-01-02 Sell 15,000 $10.87 163,050
Gould Robert J
Common Stock
2026-01-02 Sell 15,000 $11.87 178,050
Oltmans Curtis Gale
Common Stock
2025-12-15 Sell 3,452 $12.92 44,600
Shah Rajeev M +3
Common Stock
2025-12-08 Sell 1,377,020 $13.33 18,355,677
Shah Rajeev M +3
Common Stock
2025-12-08 Sell 91,722 $14.98 1,373,996
Shah Rajeev M +3
Common Stock
2025-12-08 Sell 2,706,397 $14.28 38,647,349
Gould Robert J
Common Stock
2025-11-19 Sell 15,000 $11.03 165,450
Dorton Katina
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
King Rachel K
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Geraghty James A
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Haviland Kate
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Hill Colin
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Banks Sonja
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Gould Robert J
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
Ezekowitz Alan
Stock Option (right to buy) · derivative
2025-06-26 Grant 36,000 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 169 71,418,466
2025-12-31 172 66,996,018
2025-09-30 129 53,048,264
2025-06-30 123 54,421,177
2025-03-31 118 51,163,051
2024-12-31 124 52,686,116
2024-09-30 137 63,574,227
2024-06-30 127 70,628,553
2024-03-31 129 65,652,360
2023-12-31 102 62,751,806
2023-09-30 83 57,158,761
2023-06-30 90 55,939,405
Form 13F Holdings
Firm Period DFND Voting Shares
Assenagon Asset Management SA [2026-06-30] SOLE 835,204 835,204
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 681,832 681,832
Hennion & Walsh Asset Management Inc [2026-06-30] SOLE 233,851 233,851
Simplify Asset Management Inc [2026-06-30] SOLE 153,794 153,794
Marquette Asset Management LLC [2026-06-30] SOLE 0 38,552
Alaska Retirement Management Board [2026-06-30] SOLE 31,000 31,000
Country Trust Bank [2026-06-30] SOLE 30,041 30,041
Castleview Partners LLC [2026-06-30] SOLE 0 19,100
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 0 10,254
Farther Finance Advisors LLC [2026-06-30] SOLE 0 2,462
IFP Advisors LLC [2026-06-30] SOLE 1,368 1,368
True Wealth Design LLC [2026-06-30] SOLE 0 71
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