Fairmount Funds Management LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1802528 WEST CONSHOHOCKEN, PA

Position in ZBIO

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

Position Value

$59,872,054

+$13,753,116 QoQ

Shares Held

2,359,025

0.0% QoQ

Ownership

3.62%

of shares outstanding

% of Portfolio

3.96%

of 13F equity value

Holder Rank

#10

of 145 holders

Holding Since

Sep 2024

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Fairmount Funds Management LLC holds $1,512,967,792 across 12 Biotechnology names. ZBIO ranks #8 (4.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ORKA	Oruka Therapeutics, Inc.	3,705,262	$352,629,784
2	DNTH	Dianthus Therapeutics, Inc. /DE/	2,537,191	$247,325,378
3	DMRA	Damora Therapeutics, Inc.	8,713,000	$226,625,130
4	COGT	Cogent Biosciences, Inc.	5,503,418	$212,982,276
5	JBIO	Jade Biosciences, Inc.	4,553,494	$101,178,636
6	ELVN	Enliven Therapeutics, Inc.	1,855,644	$94,173,933
7	VRDN	Viridian Therapeutics, Inc.\DE	5,090,928	$93,520,347
8	ZBIO	Zenas BioPharma, Inc. This page	2,359,025	$59,872,054

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$59,872,054	2,359,025	0.0%	Shares	Sole	2026-08-14
2026-03-31	$46,118,938	2,359,025	+6.8%	Shares	Sole	2026-05-15
2025-12-31	$80,209,697	2,209,025	+16.7%	Shares	Sole	2026-02-17
2025-09-30	$42,020,293	1,892,806	0.0%	Shares	Sole	2025-11-14
2025-06-30	$18,341,290	1,892,806	0.0%	Shares	Sole	2025-08-14
2025-03-31	$14,953,167	1,892,806	0.0%	Shares	Sole	2025-05-15
2024-12-31	$15,502,081	1,892,806	0.0%	Shares	Sole	2025-02-14
2024-09-30	$32,026,277	1,892,806	—	Shares	Sole	2024-11-14
No filing history on record for this holder in this stock.