WELLINGTON MANAGEMENT GROUP LLP

Position in COGT — Cogent Biosciences, Inc.

CIK 902219 Boston, MA

Position in COGT

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

Position Value

$168,111,907

+$30,370,750 QoQ

Shares Held

4,343,977

+21.4% QoQ

Ownership

2.50%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

#12

of 321 holders

Holding Since

Dec 2023

11 quarters on record

Voting authority Sole 0% Shared 64% None 36%

Healthcare · as of Jun 30, 2026

WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. COGT ranks #26 (1.1% 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

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$168,111,907	4,343,977	+21.4%	Shares	Defined	2026-08-14
2026-03-31	$137,741,157	3,578,622	+31.9%	Shares	Defined	2026-05-15
2025-12-31	$96,342,171	2,712,336	+566.6%	Shares	Defined	2026-02-17
2025-09-30	$5,843,067	406,899	+36.8%	Shares	Defined	2025-11-14
2025-06-30	$2,135,072	297,364	+15.1%	Shares	Defined	2025-08-14
2025-03-31	$1,547,222	258,301	-9.3%	Shares	Defined	2025-05-13
2024-12-31	$2,221,830	284,850	-16.8%	Shares	Defined	2025-02-12
2024-09-30	$3,697,087	342,323	+8.0%	Shares	Defined	2024-11-14
2024-06-30	$2,671,070	316,853	+6.9%	Shares	Defined	2024-08-14
2024-03-31	$1,991,209	296,311	+132.5%	Shares	Defined	2024-05-15
2023-12-31	$749,370	127,444	—	Shares	Defined	2024-02-12
No filing history on record for this holder in this stock.