WELLINGTON MANAGEMENT GROUP LLP

Position in FULC — Fulcrum Therapeutics, Inc.

CIK 902219 Boston, MA

Position in FULC

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$909,661

-$746,426 QoQ

Shares Held

118,600

-19.0% QoQ

Ownership

0.178%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#56

of 168 holders

Holding Since

Mar 2024

8 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 70.58094435075886.ToString("F0")% None 29.419055649241148.ToString("F0")%

Healthcare · as of Mar 31, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,419,413,771 across 180 Biotechnology names. FULC ranks #150 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	3,212,589	$1,434,549,489
2	REGN	Regeneron Pharmaceuticals, Inc.	1,837,459	$1,419,694,318
3	ARGX	Argenx SE	1,021,457	$745,918,971
4	ALNY	Alnylam Pharmaceuticals, Inc.	1,935,925	$640,539,501
5	RVMD	Revolution Medicines, Inc.	6,027,819	$586,205,394
6	CYTK	Cytokinetics Inc	8,009,489	$527,905,416
7	IONS	Ionis Pharmaceuticals Inc	6,391,816	$479,961,458
8	ASND	Ascendis Pharma A/S	1,757,633	$402,023,391

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.