Zimmer Partners, LP

Position in IRON — Disc Medicine, Inc.

CIK 1565854 NEW YORK, NY

Position in IRON

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

Position Value

$1,067,798

-$1,115,977 QoQ

Shares Held

16,700

-39.3% QoQ

Ownership

0.044%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2024

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Zimmer Partners, LP holds $7,320,023 across 4 Biotechnology names. IRON ranks #2 (14.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ELDN	Eledon Pharmaceuticals, Inc.	1,875,000	$5,775,000
2	IRON	Disc Medicine, Inc. This page	16,700	$1,067,798
3	AKTS	Aktis Oncology, Inc.	15,000	$268,350
4	KPTI	Karyopharm Therapeutics Inc.	37,500	$208,875

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,067,798	16,700	-39.3%	Shares	Sole	2026-05-15
2025-12-31	$2,183,775	27,500	-69.5%	Shares	Sole	2026-02-17
2025-09-30	$5,957,971	90,163	0.0%	Shares	Sole	2025-11-14
2025-06-30	$4,775,032	90,163	+110.2%	Shares	Sole	2025-08-14
2025-03-31	$2,129,556	42,900	+29.6%	Shares	Sole	2025-05-15
2024-12-31	$2,098,540	33,100	-3.8%	Shares	Sole	2025-02-14
2024-09-30	$1,690,416	34,400	0.0%	Shares	Sole	2024-11-14
2024-06-30	$1,550,408	34,400	—	Shares	Sole	2024-08-14
No filing history on record for this holder in this stock.