Fairmount Funds Management LLC

Position in ZBIO — Zenas BioPharma, Inc.

CIK 1802528 WEST CONSHOHOCKEN, PA

Position in ZBIO

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$46,118,938

-$34,090,759 QoQ

Shares Held

2,359,025

+6.8% QoQ

Ownership

3.74%

of shares outstanding

% of Portfolio

3.33%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2024

7 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

Fairmount Funds Management LLC holds $1,384,339,426 across 12 Biotechnology names. ZBIO ranks #10 (3.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DMRA	Damora Therapeutics, Inc.	8,713,000	$225,666,700
2	DNTH	Dianthus Therapeutics, Inc. /DE/	2,537,191	$212,921,068
3	COGT	Cogent Biosciences, Inc.	5,503,418	$211,826,558
4	SYRE	Spyre Therapeutics, Inc.	4,018,101	$202,673,014
5	ORKA	Oruka Therapeutics, Inc.	3,705,262	$181,743,101
6	VRDN	Viridian Therapeutics, Inc.\DE	3,914,458	$76,566,798
7	ELVN	Enliven Therapeutics, Inc.	1,855,644	$72,741,244
8	JBIO	Jade Biosciences, Inc.	4,553,494	$63,976,590

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
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.