WELLINGTON MANAGEMENT GROUP LLP

Position in VSTM — Verastem, Inc.

CIK 902219 Boston, MA

Position in VSTM

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

Position Value

$197,494

-$604,077 QoQ

Shares Held

51,700

-65.8% QoQ

Ownership

0.057%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#76

of 158 holders

Holding Since

Dec 2021

10 quarters on record

Voting authority Sole 0% Shared 68% None 32%

Healthcare · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. VSTM ranks #205 (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

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$197,494	51,700	-65.8%	Shares	Defined	2026-08-14
2026-03-31	$801,571	151,240	+3.9%	Shares	Defined	2026-05-15
2025-12-31	$1,123,351	145,512	-6.1%	Shares	Defined	2026-02-17
2025-09-30	$1,368,729	155,009	-7.9%	Shares	Defined	2025-11-14
2025-06-30	$698,552	168,326	+3.9%	Shares	Defined	2025-08-14
2025-03-31	$977,245	162,064	-96.4%	Shares	Defined	2025-05-13
2022-09-30	$3,797,366	4,467,491	+1105.0%	Shares	Defined	2022-11-14
2022-06-30	$430,072	370,753	0.0%	Shares	Defined	2022-08-15
2022-03-31	$522,761	370,753	+7.5%	Shares	Defined	2022-05-16
2021-12-31	$706,742	344,753	—	Shares	Defined	2022-02-11
No filing history on record for this holder in this stock.