Vanguard Personalized Indexing Management, LLC

Position in GOSS — Gossamer Bio, Inc.

CIK 1767306 OAKLAND, CA

Position in GOSS

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$6,444

+$677 QoQ

Shares Held

39,060

+122.8% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#100

of 168 holders

Holding Since

Jun 2023

11 quarters on record

Voting authority Sole 96% Shared 0% None 4%

Healthcare · as of Jun 30, 2026

Vanguard Personalized Indexing Management, LLC holds $97,369,187 across 138 Biotechnology names. GOSS ranks #135 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	43,151	$21,434,396
2	REGN	Regeneron Pharmaceuticals, Inc.	11,712	$7,302,900
3	INCY	Incyte Corp	34,556	$3,917,268
4	ARGX	Argenx SE	4,103	$3,806,640
5	ALNY	Alnylam Pharmaceuticals, Inc.	11,436	$3,442,579
6	RVMD	Revolution Medicines, Inc.	17,697	$3,314,294
7	MRNA	Moderna, Inc.	43,679	$3,058,840
8	HALO	Halozyme Therapeutics, Inc.	30,414	$2,380,503

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,444	39,060	+122.8%	Shares	Sole	2026-08-11
2026-03-31	$5,767	17,531	+8.8%	Shares	Sole	2026-05-14
2025-12-31	$49,968	16,119	-3.6%	Shares	Sole	2026-02-13
2025-09-30	$43,970	16,719	+1.4%	Shares	Sole	2025-10-31
2025-06-30	$20,280	16,488	-3.1%	Shares	Sole	2025-07-25
2025-03-31	$18,720	17,019	+16.9%	Shares	Sole	2025-05-14
2024-12-31	$13,180	14,564	+20.8%	Shares	Sole	2025-02-10
2024-09-30	$11,885	12,054	-26.0%	Shares	Sole	2024-11-12
2024-06-30	$14,675	16,288	+33.3%	Shares	Sole	2024-08-12
2024-03-31	$14,413	12,215	-72.5%	Shares	Sole	2024-05-09
2023-06-30	$53,227	44,356	—	Shares	Sole	2023-07-28
No filing history on record for this holder in this stock.