Zimmer Partners, LP

Position in KPTI — Karyopharm Therapeutics Inc.

CIK 1565854 NEW YORK, NY

Position in KPTI

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

Position Value

$208,875

New position

Shares Held

37,500

first reported quarter

Ownership

0.165%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2026

1 quarter 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. KPTI ranks #4 (2.9% 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.	16,700	$1,067,798
3	AKTS	Aktis Oncology, Inc.	15,000	$268,350
4	KPTI	Karyopharm Therapeutics Inc. This page	37,500	$208,875

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$208,875	37,500	—	Shares	Sole	2026-05-15
No filing history on record for this holder in this stock.