Fulcrum Therapeutics, Inc. (FULC)

Price$3.85Cached quote
FULCNasdaq
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Financial charts

Total cash / debt

CashTotal debt

Financial statements

8 annual periodsNewest to oldest
20252024202320222021202020192018
Revenue$0$80.0M$2.8M$6.3M$19.2M$8.8M——
Research & development$56.1M$63.4M$71.8M$76.8M$69.7M$59.0M$71.1M$25.2M
Operating expenses$84.8M$101.9M$113.5M$118.9M$100.2M$80.4M$84.2M$33.5M
Operating income−$84.8M−$21.9M−$110.7M−$112.6M−$81.1M−$71.6M−$84.2M−$33.5M
Operating margin—−27.37%−3,945.24%−1,774.85%−422.97%−811.64%——
EBITDA−$83.4M−$20.3M−$108.5M−$110.1M−$78.5M−$69.2M−$82.2M−$32.2M
EBITDA margin—−25.38%−3,867.81%−1,736.79%−409.85%−784.68%——
Net income−$74.9M−$9.7M−$97.3M−$109.9M−$80.8M−$70.8M−$82.7M−$32.6M
Net profit margin—−12.16%−3,470.05%−1,732.43%−421.89%−802.66%——
Basic EPSper basic share-$1.18-$0.16-$1.59-$2.44-$2.29-$2.79-$8.13-$31.14
Diluted EPSper diluted share-$1.18-$0.16-$1.59-$2.44-$2.29-$2.79-$8.13-$31.14

Owners

Reported shareholders

Reference date Jun 30, 2026
Nantahala Capital Management, LLC · 14.35% of listed sharesBlackRock, Inc. · 11.57% of listed sharesEcoR1 Capital, LLC · 8.59% of listed sharesTANG CAPITAL MANAGEMENT LLC · 8.55% of listed sharesRA Capital Healthcare Fund LP / Kolchinsky Peter / Shah Rajeev M. / RA CAPITAL MANAGEMENT, L.P. · ≈7.94% of listed sharesMONTANOVA CAPITAL, LLC · 4.83% of listed sharesD. E. Shaw & Co., Inc. · 3.99% of listed sharesCITADEL ADVISORS LLC · 3.55% of listed sharesVANGUARD CAPITAL MANAGEMENT LLC · 3.54% of listed sharesJANE STREET GROUP, LLC · 2.91% of listed sharesSTATE STREET CORP · 2.67% of listed sharesADAGE CAPITAL PARTNERS GP, L.L.C. · 2.62% of listed sharesGSK plc · 2.34% of listed sharesQube Research & Technologies Ltd · 2.29% of listed sharesAssenagon Asset Management S.A. · 2.19% of listed sharesRENAISSANCE TECHNOLOGIES LLC · 2.16% of listed sharesADAR1 Capital Management, LLC · 2.05% of listed sharesMILLENNIUM MANAGEMENT LLC · 1.95% of listed sharesGEODE CAPITAL MANAGEMENT, LLC · 1.88% of listed sharesMARSHALL WACE, LLP · 1.78% of listed shares
14.35%of listed shares
Nantahala Capital Management, LLC10.95M shares · Jun 30, 2026
View holders
Top 20 reported holders of FULC
Holder% owned
Nantahala Capital Management, LLC
14.35%10.95M shares
BlackRock, Inc.
11.57%8.82M shares
EcoR1 Capital, LLC
8.59%6.55M shares
TANG CAPITAL MANAGEMENT LLC
8.55%6.52M shares
RA Capital Healthcare Fund LP / Kolchinsky Peter / Shah Rajeev M. / RA CAPITAL MANAGEMENT, L.P.
≈7.94%6.05M shares
MONTANOVA CAPITAL, LLC
4.83%3.68M shares
D. E. Shaw & Co., Inc.
3.99%3.04M shares
CITADEL ADVISORS LLC
3.55%2.7M shares
VANGUARD CAPITAL MANAGEMENT LLC
3.54%2.7M shares
JANE STREET GROUP, LLC
2.91%2.22M shares
STATE STREET CORP
2.67%2.04M shares
ADAGE CAPITAL PARTNERS GP, L.L.C.
2.62%2M shares
GSK plc
2.34%1.79M shares
Qube Research & Technologies Ltd
2.29%1.75M shares
Assenagon Asset Management S.A.
2.19%1.67M shares
RENAISSANCE TECHNOLOGIES LLC
2.16%1.65M shares
ADAR1 Capital Management, LLC
2.05%1.57M shares
MILLENNIUM MANAGEMENT LLC
1.95%1.49M shares
GEODE CAPITAL MANAGEMENT, LLC
1.88%1.43M shares
MARSHALL WACE, LLP
1.78%1.36M shares

Percentages use 76.29M shares of this listed class outstanding on Jun 30, 2026. ≈ compares the latest reported holding with a share total from a different date; it is not a confirmed current stake.

Gray completes the 100% scale. Reported positions may overlap; holders have different reporting dates.

Source: SEC Form 13F ↗Updated Sep 29, 2026 · Quarterly data

Insider buys & sells

Jul 1, 2024–Jun 30, 2026
Buys0$0.00 disclosed value
Sells (SEC code S)10$59.16M disclosed value
10 recent transactions
TransactionInsiderTypeSharesPriceValueOwned after
Jun 26, 2026Form 4Ezekowitz AlanDirectorSellCommon Stock18.0K$3.65$65.7K10.9K
Feb 2, 2026Form 4Gould Robert JDirectorSellCommon Stock15.0K$10.72$160.8K454.9K
Jan 2, 2026Form 4/AGould Robert JDirectorSellCommon Stock15.0K$10.87$163.1K469.9K
Jan 2, 2026Form 4Gould Robert JDirectorSellCommon Stock15.0K$11.87$178.1K469.9K
Dec 15, 2025Form 4Oltmans Curtis GaleChief Legal OfficerSellCommon Stock3.5K$12.92$44.6K10.3K

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