Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share (FULC)

Q: What does CUSIP 359616109 represent in this 13F holders report?

CUSIP 359616109 is the security identifier for FULC - Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share used to aggregate holder disclosures.

Q: How many institutions held FULC - Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share in Q4 2024?

117 institutional investors reported FULC - Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share for Q4 2024. Use the holders table for investor-level position and value details.

CUSIP: 359616109

Q4 2024 13F Holders as of 31 Dec 2024

Security type / class: Equity / Common Stock, par value $0.001 per share
Total 13F shares: 51,666,381
Total 13F value: $242,831,448
Share change: -3,003,543
Put/Call ratio: 3.3%
SEC-reported price per share: $4.70
Number of holders: 117
Value change: -$8,308,464
Number of buys: 51
Number of sells: 72
Shares outstanding: 66,925,836

Security key

359616109

Report period

Q4 2024

Institutions

117

Top holders

FULC full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Fulcrum Therapeutics, Inc. SEC filings Fulcrum Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 359616109

Newer quarter: Q3 2026

Recent filing periods:

Q3 2026

Ownership snapshot

Top reported holders of FULC - Fulcrum Therapeutics, Inc. - Common Stock, par value $0.001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Third Rock Ventures III, ...

Disclosed value leader

RA CAPITAL MANAGEMENT, L.P.

Comparable rows

0/15

Latest evidence

30 Sep 2024

3/4/5 13F Highest disclosed value: $36,517,883 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

RA CAPITAL MANAGEMENT, L.P. has the largest disclosed position value at $36.52M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.

Disclosed position value Top 5

Third Rock Ventures III, L.P. $14.25M

Mark J. Levin $13.37M

RA CAPITAL MANAGEMENT, L.P. $36.52M

BlackRock, Inc. $20.37M

TCG Crossover Management, LLC $18.74M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Third Rock Ventures III, L.P.	3/4/5 10%+ Owner 3/4/5	— denominator unverified	$14,250,729 4,305,356 shares	—	13 Dec 2022
Mark J. Levin	3/4/5 Director, 10%+ Owner 3/4/5	— denominator unverified	$13,365,787 4,038,002 shares	—	10 Nov 2021
RA CAPITAL MANAGEMENT, L.P.	13F Company 13F	— denominator unverified	$36,517,883 10,229,099 shares	—	30 Sep 2024
BlackRock, Inc.	13F Company 13F	— denominator unverified	$20,372,301 5,706,527 shares	—	30 Sep 2024
TCG Crossover Management, LLC	13F Company 13F	— denominator unverified	$18,742,500 5,250,000 shares	—	30 Sep 2024
Nantahala Capital Management, LLC	13F Company 13F	— denominator unverified	$17,057,146 4,777,912 shares	—	30 Sep 2024

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

117

51,666,381

Rows available

117

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2024 vs Q3 2024 Across Filers

Q3 2024 holders

127

Q4 2024 holders

117

Holder diff

-10

Investor	Q3 2024 Shares	Q4 2024 Shares	Share Diff	Share Chg %	Q3 2024 value	Q4 2024 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend