WELLINGTON MANAGEMENT GROUP LLP

Position in FULC — Fulcrum Therapeutics, Inc.

CIK 902219 Boston, MA

Position in FULC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,043,406

+$133,745 QoQ

Shares Held

285,084

+140.4% QoQ

Ownership

0.374%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#41

of 154 holders

Holding Since

Mar 2024

9 quarters on record

Voting authority Sole 0% Shared 70% None 30%

Healthcare · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. FULC ranks #156 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	3,247,658	$1,613,209,155
2	ARGX	Argenx SE	930,548	$863,334,513
3	REGN	Regeneron Pharmaceuticals, Inc.	1,270,087	$791,950,042
4	RVMD	Revolution Medicines, Inc.	3,843,415	$719,794,757
5	ALNY	Alnylam Pharmaceuticals, Inc.	2,110,407	$635,295,816
6	IONS	Ionis Pharmaceuticals Inc	7,651,415	$606,680,693
7	CYTK	Cytokinetics Inc	6,931,770	$590,517,483
8	MDGL	Madrigal Pharmaceuticals, Inc.	825,714	$443,367,129

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,043,406	285,084	+140.4%	Shares	Defined	2026-08-14
2026-03-31	$909,661	118,600	-19.0%	Shares	Defined	2026-05-15
2025-12-31	$1,656,087	146,427	-18.4%	Shares	Defined	2026-02-17
2025-09-30	$1,650,092	179,358	+41.9%	Shares	Defined	2025-11-14
2025-06-30	$869,644	126,402	-26.6%	Shares	Defined	2025-08-14
2024-12-31	$809,142	172,158	-2.3%	Shares	Defined	2025-02-12
2024-09-30	$628,893	176,161	-3.6%	Shares	Defined	2024-11-14
2024-06-30	$1,132,919	182,729	+5.8%	Shares	Defined	2024-08-14
2024-03-31	$1,629,910	172,660	—	Shares	Defined	2024-05-15
No filing history on record for this holder in this stock.