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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, Q3 2026

Institutional positions in Fulcrum Therapeutics, Inc. as of Sep 30, 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

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
1
+1 vs. Q2 2026
Shares held
716
+716 vs. Q2 2026
Total value
$2.65K
+$2.65K vs. Q2 2026
New holders
1
0 more added
Sold out
0
0 more reduced

154 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: 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 holders
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 held
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, Q3 2026

Shares, value and share of portfolio for each institution holding Fulcrum Therapeutics, Inc.; share changes are against Q2 2026.

Institutions holding FULC in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Massmutual Trust Co FSB716$2.65K0.00%+716New
BlackRock, Inc.––––Not filed
EcoR1 Capital, LLC––––Not filed
Tang Capital Management LLC––––Not filed
Nantahala Capital Management, LLC––––Not filed
Suvretta Capital Management, LLC––––Not filed
D. E. Shaw & Co., Inc.––––Not filed
Citadel Advisors LLC––––Not filed
Vanguard Capital Management LLC––––Not filed
Jane Street Group, LLC––––Not filed
State Street Corp––––Not filed
Adage Capital Partners GP, L.L.C.––––Not filed
GSK plc––––Not filed
Qube Research & Technologies Ltd––––Not filed
Renaissance Technologies LLC––––Not filed
ADAR1 Capital Management, LLC––––Not filed
Millennium Management LLC––––Not filed
Geode Capital Management, LLC––––Not filed
Marshall Wace, LLP––––Not filed
UBS Group AG––––Not filed
Susquehanna International Group, LLP––––Not filed
AQR Capital Management LLC––––Not filed
Goldman Sachs Group Inc––––Not filed
Ikarian Capital, LLC––––Not filed
Bank of America Corp––––Not filed
Acadian Asset Management LLC––––Not filed
Jump Financial, LLC––––Not filed
Dimensional Fund Advisors LP––––Not filed
Assenagon Asset Management S.A.––––Not filed
Two Sigma Investments, LP––––Not filed
Vanguard Portfolio Management LLC––––Not filed
Connor, Clark & Lunn Investment Management Ltd.––––Not filed
Balyasny Asset Management LLC––––Not filed
Y-Intercept (Hong Kong) Ltd––––Not filed
Point72 Asset Management, L.P.––––Not filed
Northern Trust Corp––––Not filed
Charles Schwab Investment Management Inc––––Not filed
Vanguard Fiduciary Trust Co––––Not filed
Boothbay Fund Management, LLC––––Not filed
Bessemer Group Inc––––Not filed
Peapod Lane Capital LLC––––Not filed
Wellington Management Group LLP––––Not filed
Engineers Gate Manager LP––––Not filed
Hennion & Walsh Asset Management, Inc.––––Not filed
EntryPoint Capital, LLC––––Not filed
XTX Topco Ltd––––Not filed
Quadrature Capital Ltd––––Not filed
Morgan Stanley––––Not filed
Alliancebernstein L.P.––––Not filed
American Century Companies Inc––––Not filed
Nuveen, LLC––––Not filed
Bank of New York Mellon Corp––––Not filed
Simplify Asset Management Inc.––––Not filed
Gsa Capital Partners LLP––––Not filed
Fiduciary Trust Co––––Not filed
Squarepoint Ops LLC––––Not filed
Verdad Advisers, LP––––Not filed
BNP Paribas Arbitrage, SA––––Not filed
HSBC Holdings PLC––––Not filed
Rangeley Capital, LLC––––Not filed
Invesco Ltd.––––Not filed
Russell Investments Group, Ltd.––––Not filed
Canada Pension Plan Investment Board––––Not filed
Algert Global LLC––––Not filed
Panagora Asset Management Inc––––Not filed
Price T Rowe Associates Inc––––Not filed
FMR LLC––––Not filed
Headlands Technologies LLC––––Not filed
Susquehanna Portfolio Strategies, LLC––––Not filed
Barclays PLC––––Not filed
Axq Capital, LP––––Not filed
Rhumbline Advisers––––Not filed
RBF Capital, LLC––––Not filed
Prelude Capital Management, LLC––––Not filed
Alps Advisors Inc––––Not filed
Citigroup Inc––––Not filed
Fox Run Management, L.L.C.––––Not filed
Deutsche Bank AG––––Not filed
Wells Fargo & Company––––Not filed
STRS Ohio––––Not filed
JPMorgan Chase & Co––––Not filed
Commonwealth Equity Services, LLC––––Not filed
Marquette Asset Management, LLC––––Not filed
MetLife Investment Management––––Not filed
Franklin Resources Inc––––Not filed
Profund Advisors LLC––––Not filed
State of Alaska, Department of Revenue––––Not filed
SEI Investments Co––––Not filed
Country Trust Bank––––Not filed
LMR Partners LLP––––Not filed
Aigen Investment Management, LP––––Not filed
Scientech Research LLC––––Not filed
Mariner, LLC––––Not filed
Mirae Asset Global ETFs Holdings Ltd.––––Not filed
Graham Capital Management, L.P.––––Not filed
State Board of Administration of Florida Retirement System––––Not filed
Rafferty Asset Management, LLC––––Not filed
Creative Planning––––Not filed
Mercer Global Advisors Inc––––Not filed
Castleview Partners, LLC––––Not filed