Fulcrum Therapeutics, Inc.

FULCNASDAQ

$3.69+0.01 (+0.27%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Fulcrum Therapeutics, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (-61.2%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Nantahala Capital Management, LLC	14.35%	$40.1M	0.67%	Add 259.01%
BlackRock, Inc.	11.57%	$32.3M	0.00%	Not reported
EcoR1 Capital, LLC	8.59%	$24M	1.17%	New Not reported
Tang Capital Management LLC	8.55%	$23.9M	1.08%	New Not reported
Montanova Capital, LLC	4.83%	$13.5M	0.25%	Reduce 43.90%
D. E. Shaw & Co., Inc.	3.99%	$11.1M	0.01%	Not reported
Citadel Advisors LLC	3.55%	$9.9M	0.00%	Not reported
Vanguard Capital Management LLC	3.54%	$9.87M	0.00%	Not reported
Jane Street Group, LLC	2.91%	$8.12M	0.00%	Not reported
State Street Corp	2.67%	$7.46M	0.00%	Not reported
Adage Capital Partners GP, L.L.C.	2.62%	$7.32M	0.01%	Add 400.00%
GSK plc	2.34%	$6.54M	1.09%	Not reported
Qube Research & Technologies Ltd	2.29%	$6.4M	0.01%	Not reported
Assenagon Asset Management S.A.	2.19%	$6.11M	0.00%	Not reported
Renaissance Technologies LLC	2.16%	$6.03M	0.01%	Not reported
ADAR1 Capital Management, LLC	2.05%	$5.73M	0.26%	Add 1098.70%
Millennium Management LLC	1.95%	$5.44M	0.00%	Not reported
Geode Capital Management, LLC	1.88%	$5.24M	0.00%	Not reported
Marshall Wace, LLP	1.78%	$4.97M	0.00%	Not reported
UBS Group AG	1.64%	$4.59M	0.00%	Not reported
Susquehanna International Group, LLP	1.55%	$4.32M	0.00%	Not reported
AQR Capital Management LLC	1.45%	$4.04M	0.00%	Not reported
Goldman Sachs Group Inc	1.43%	$4.01M	0.00%	Not reported
Ikarian Capital, LLC	1.38%	$3.84M	0.41%	Not reported
Bank of America Corp	1.37%	$3.82M	0.00%	Not reported
Acadian Asset Management LLC	1.36%	$3.79M	0.00%	Not reported
Jump Financial, LLC	1.32%	$3.68M	0.03%	Not reported
Dimensional Fund Advisors LP	1.26%	$3.52M	0.00%	Not reported
Two Sigma Investments, LP	1.07%	$2.97M	0.00%	Not reported
Vanguard Portfolio Management LLC	1.03%	$2.86M	0.00%	Not reported
Balyasny Asset Management L.P.	0.91%	$2.53M	0.00%	Not reported
Y-Intercept (Hong Kong) Ltd	0.89%	$2.5M	0.05%	Not reported
Point72 Asset Management, L.P.	0.85%	$2.38M	0.00%	Not reported
Northern Trust Corp	0.64%	$1.79M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.57%	$1.59M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.45%	$1.27M	0.00%	Not reported
Boothbay Fund Management, LLC	0.40%	$1.11M	0.01%	Not reported
Bessemer Group Inc	0.38%	$1.05M	0.00%	Not reported
Peapod Lane Capital LLC	0.37%	$1.05M	0.71%	Not reported
Wellington Management Group LLP	0.37%	$1.04M	0.00%	Add 140.37%
Engineers Gate Manager LP	0.32%	$886K	0.01%	Not reported
Hennion & Walsh Asset Management, Inc.	0.31%	$856K	0.02%	New Not reported
EntryPoint Capital, LLC	0.28%	$795K	0.19%	Add 380.02%
XTX Topco Ltd	0.27%	$766K	0.01%	Not reported
Quadrature Capital Ltd	0.25%	$692K	0.01%	Not reported
Morgan Stanley	0.24%	$674K	0.00%	Not reported
American Century Companies Inc	0.20%	$570K	0.00%	Not reported
Nuveen, LLC	0.20%	$567K	0.00%	Not reported
Bank of New York Mellon Corp	0.20%	$566K	0.00%	Not reported
Simplify Asset Management Inc.	0.20%	$563K	0.01%	Add 32.59%

50 of 143 holders

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