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Fulcrum Therapeutics, Inc.

FULC
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001680581

In the last 90 days, Fulcrum Therapeutics, Inc. insiders filed 2 open-market purchases and 0 sales; 154 institutions reported holding it in 13F filings for Q2 2026, worth $291.3M in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Fulcrum Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
169
−1 vs. Q4 2025
Shares held
71.7M
+7.83M (+12.3%) vs. Q4 2025
Total value
$550.1M
−$172.3M (−23.9%) vs. Q4 2025
New holders
37
74 more added
Sold out
38
38 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting FULC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 169 institutions
Q1 2021: 68 institutionsQ2 2021: 67 institutionsQ3 2021: 101 institutionsQ4 2021: 110 institutionsQ1 2022: 108 institutionsQ2 2022: 102 institutionsQ3 2022: 105 institutionsQ4 2022: 110 institutionsQ1 2023: 116 institutionsQ2 2023: 88 institutionsQ3 2023: 81 institutionsQ4 2023: 101 institutionsQ1 2024: 126 institutionsQ2 2024: 121 institutionsQ3 2024: 130 institutionsQ4 2024: 119 institutionsQ1 2025: 117 institutionsQ2 2025: 122 institutionsQ3 2025: 129 institutionsQ4 2025: 172 institutionsQ1 2026: 169 institutionsQ2 2026: 154 institutions
Value heldQ1 2026: $550.1M
Q1 2021: $317.0MQ2 2021: $280.8MQ3 2021: $1.03BQ4 2021: $657.3MQ1 2022: $929.9MQ2 2022: $196.6MQ3 2022: $422.1MQ4 2022: $368.5MQ1 2023: $172.2MQ2 2023: $183.2MQ3 2023: $250.4MQ4 2023: $412.3MQ1 2024: $569.7MQ2 2024: $402.0MQ3 2024: $196.4MQ4 2024: $243.4MQ1 2025: $147.8MQ2 2025: $374.5MQ3 2025: $494.9MQ4 2025: $762.7MQ1 2026: $550.1MQ2 2026: $291.3M
Institutions holding FULC and their total value by quarter
QuarterHoldersValue
Q2 2026154$291.3M
Q1 2026169$550.1M
Q4 2025172$762.7M
Q3 2025129$494.9M
Q2 2025122$374.5M
Q1 2025117$147.8M
Q4 2024119$243.4M
Q3 2024130$196.4M
Q2 2024121$402.0M
Q1 2024126$569.7M
Q4 2023101$412.3M
Q3 202381$250.4M
Q2 202388$183.2M
Q1 2023116$172.2M
Q4 2022110$368.5M
Q3 2022105$422.1M
Q2 2022102$196.6M
Q1 2022108$929.9M
Q4 2021110$657.3M
Q3 2021101$1.03B
Q2 202167$280.8M
Q1 202168$317.0M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Fulcrum Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding FULC in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC61,041$468.2K0.00%+53,350+693.7%Added
Creative Planning64,089$491.6K0.00%+41,985+189.9%Added
Rhumbline Advisers66,175$507.6K0.00%+10,462+18.8%Added
Atom Investors LP69,155$530.4K0.04%+8,560+14.1%Added
RBF Capital, LLC70,000$536.9K0.03%−10,506−13.0%Reduced
XTX Topco Ltd71,603$549.2K0.01%+19,801+38.2%Added
Russell Investments Group, Ltd.79,157$607.1K0.00%+75,583+2,114.8%Added
Price T Rowe Associates Inc80,169$615.0K0.00%+16,409+25.7%Added
Barclays PLC88,458$678.5K0.00%−44,083−33.3%Reduced
Susquehanna International Group, LLP101,336$777.2K0.00%+13,406+15.2%Added
Invesco Ltd.111,125$852.3K0.00%−306,064−73.4%Reduced
Simplify Asset Management Inc.115,994$889.7K0.01%−43,680−27.4%Reduced
Wellington Management Group LLP118,600$909.7K0.00%−27,827−19.0%Reduced
Engineers Gate Manager LP126,109$967.3K0.01%+126,109New
Bank of America Corp126,559$970.7K0.00%−104,618−45.3%Reduced
Nuveen, LLC129,618$994.2K0.00%+17,415+15.5%Added
ADAR1 Capital Management, LLC130,560$1.00M0.06%−1,123,189−89.6%Reduced
Fiduciary Trust Co136,555$1.05M0.01%00.0%Unchanged
Gsa Capital Partners LLP136,664$1.05M0.07%+36,955+37.1%Added
Two Sigma Investments, LP139,000$1.07M0.00%+139,000New
Bank of New York Mellon Corp149,942$1.15M0.00%+33,036+28.3%Added
Y-Intercept (Hong Kong) Ltd153,344$1.18M0.02%+86,628+129.8%Added
State of Wisconsin Investment Board154,435$1.18M0.00%+67,936+78.5%Added
American Century Companies Inc156,242$1.20M0.00%−1,430−0.9%Reduced
Morgan Stanley173,337$1.33M0.00%+7,714+4.7%Added
Squarepoint Ops LLC175,944$1.35M0.00%+110,092+167.2%Added
DAFNA Capital Management LLC205,000$1.57M0.36%+205,000New
Panagora Asset Management Inc243,565$1.87M0.01%+243,565New
Bessemer Group Inc286,988$2.20M0.00%00.0%Unchanged
Boothbay Fund Management, LLC303,988$2.33M0.05%−213,538−41.3%Reduced
Jane Street Group, LLC310,417$2.38M0.00%−183,333−37.1%Reduced
UBS Group AG315,185$2.42M0.00%+212,218+206.1%Added
Vanguard Fiduciary Trust Co329,884$2.53M0.00%+329,884New
Millennium Management LLC356,471$2.73M0.00%+302,040+554.9%Added
Jump Financial, LLC369,805$2.84M0.04%+277,605+301.1%Added
Adage Capital Partners GP, L.L.C.400,000$3.07M0.00%−1,300,000−76.5%Reduced
Silverarc Capital Management, LLC419,949$3.22M0.38%+25,299+6.4%Added
Charles Schwab Investment Management Inc426,869$3.27M0.00%+37,973+9.8%Added
Trexquant Investment LP453,529$3.48M0.03%+97,982+27.6%Added
Northern Trust Corp472,985$3.63M0.00%−79,235−14.3%Reduced
AQR Capital Management LLC543,165$4.17M0.00%+527,663+3,403.8%Added
Goldman Sachs Group Inc571,909$4.39M0.00%+248,030+76.6%Added
Vanguard Portfolio Management LLC599,379$4.60M0.00%+599,379New
Acadian Asset Management LLC727,315$5.57M0.01%−9,425−1.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.736,684$5.65M0.01%+154,307+26.5%Added
Qube Research & Technologies Ltd974,739$7.48M0.01%+582,250+148.3%Added
Ikarian Capital, LLC1,049,161$8.05M1.15%−326,311−23.7%Reduced
Vestal Point Capital, LP1,100,000$8.44M0.24%+150,000+15.8%Added
Dimensional Fund Advisors LP1,130,281$8.66M0.00%+79,157+7.5%Added
Assenagon Asset Management S.A.1,193,873$9.16M0.01%+1,193,873New
Citadel Advisors LLC1,292,486$9.91M0.01%+85,482+7.1%Added
Alyeska Investment Group, L.P.1,328,449$10.2M0.03%+1,328,449New
Geode Capital Management, LLC1,486,542$11.4M0.00%+380,729+34.4%Added
State Street Corp1,549,851$11.9M0.00%+544,506+54.2%Added
D. E. Shaw & Co., Inc.1,623,281$12.5M0.01%−290,474−15.2%Reduced
Jones Hill Capital LP1,771,926$13.6M2.91%+1,771,926New
Balyasny Asset Management LLC1,779,946$13.7M0.03%+809,507+83.4%Added
GSK plc1,785,714$13.7M2.29%00.0%Unchanged
Point72 Asset Management, L.P.2,074,855$15.9M0.03%−323,377−13.5%Reduced
Standard Life Aberdeen plc2,211,953$17.0M0.03%+957,926+76.4%Added
First Turn Management, LLC2,256,109$17.3M1.93%+363,426+19.2%Added
Siren, L.L.C.2,350,000$18.0M0.50%+400,000+20.5%Added
Vanguard Capital Management LLC2,692,948$20.7M0.00%+2,692,948New
Nantahala Capital Management, LLC3,050,040$23.4M1.46%−1,243,306−29.0%Reduced
Braidwell LP3,134,922$24.0M0.80%+73,700+2.4%Added
TCG Crossover Management, LLC5,250,000$40.3M1.15%00.0%Unchanged
BlackRock, Inc.5,390,593$41.3M0.00%+1,126,832+26.4%Added
Ra Capital Management, L.P.6,053,960$46.4M0.49%00.0%Unchanged
Suvretta Capital Management, LLC6,561,111$50.3M1.36%00.0%Unchanged
Great Point Partners LLC0$00.00%−800,000−100.0%Sold out
Sio Capital Management, LLC0$00.00%−382,000−100.0%Sold out
Driehaus Capital Management LLC0$00.00%−243,388−100.0%Sold out
Catalio Capital Management, LP0$00.00%−201,301−100.0%Sold out
Nicholas Investment Partners, LP0$00.00%−182,961−100.0%Sold out
SummitTX Capital, L.P.0$00.00%−138,143−100.0%Sold out
Walleye Capital LLC0$00.00%−108,434−100.0%Sold out
Marshall Wace, LLP0$00.00%−102,921−100.0%Sold out
Ameriprise Financial Inc0$00.00%−100,675−100.0%Sold out
Maven Securities LTD0$00.00%−100,000−100.0%Sold out
Principal Financial Group Inc0$00.00%−97,688−100.0%Sold out
Exome Asset Management LLC0$00.00%−92,055−100.0%Sold out
Verition Fund Management LLC0$00.00%−74,691−100.0%Sold out
Superstring Capital Management LP0$00.00%−72,060−100.0%Sold out
Legato Capital Management LLC0$00.00%−66,347−100.0%Sold out
Integrated Quantitative Investments LLC0$00.00%−62,522−100.0%Sold out
EAM Investors, LLC0$00.00%−61,620−100.0%Sold out
DekaBank Deutsche Girozentrale0$00.00%−60,000−100.0%Sold out
KVP Capital Advisors, LP0$00.00%−50,000−100.0%Sold out
Seven Grand Managers, LLC0$00.00%−50,000−100.0%Sold out
Jain Global LLC0$00.00%−41,260−100.0%Sold out
SEI Investments Co0$00.00%−37,511−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−35,601−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−30,500−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−28,832−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−25,568−100.0%Sold out
Quarry LP0$00.00%−17,165−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−16,791−100.0%Sold out
Winton Group Ltd0$00.00%−14,294−100.0%Sold out
Alphabet Inc.0$00.00%−14,262−100.0%Sold out
Quest Partners LLC0$00.00%−9,658−100.0%Sold out