BlackRock, Inc.

Position in GOSS — Gossamer Bio, Inc.

CIK 2012383 New York, NY

Position in GOSS

as of Jun 30, 2026 · filed Aug 7, 2026 Compact

Position Value

$1,265,537

-$4,270,441 QoQ

Shares Held

7,669,943

-54.4% QoQ

Ownership

1.57%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#15

of 168 holders

Holding Since

Sep 2024

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

BlackRock, Inc. holds $85,016,936,299 across 474 Biotechnology names. GOSS ranks #320 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	24,109,373	$11,975,848,839
2	REGN	Regeneron Pharmaceuticals, Inc.	9,113,506	$5,682,635,520
3	ALNY	Alnylam Pharmaceuticals, Inc.	10,907,675	$3,283,537,392
4	RVMD	Revolution Medicines, Inc.	13,695,790	$2,564,947,540
5	MRNA	Moderna, Inc.	30,599,409	$2,142,876,602
6	INCY	Incyte Corp	18,032,718	$2,044,188,902
7	CYTK	Cytokinetics Inc	20,094,362	$1,711,838,691
8	ROIV	Roivant Sciences Ltd.	48,236,091	$1,707,075,250

9 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$806,947	4,890,593	—	Shares	Sole	2026-07-29
2026-06-30	$1,265,537	7,669,943	-54.4%	Shares	Sole	2026-08-07
2026-03-31	$5,535,978	16,826,695	-1.3%	Shares	Sole	2026-05-13
2025-12-31	$52,876,318	17,056,878	+23.2%	Shares	Sole	2026-02-12
2025-09-30	$36,415,120	13,846,054	+14.0%	Shares	Sole	2025-11-12
2025-06-30	$14,935,389	12,142,596	+295.2%	Shares	Sole	2025-08-12
2025-03-31	$3,380,048	3,072,773	+1.4%	Shares	Sole	2025-05-02
2024-12-31	$2,741,432	3,029,209	+8.0%	Shares	Sole	2025-02-07
2024-09-30	$2,766,363	2,805,642	—	Shares	Sole	2024-11-13
No filing history on record for this holder in this stock.