Castle Hook Partners LP

Position in NAMS — NewAmsterdam Pharma Co N.V.

CIK 1687241 NEW YORK, NY

Position in NAMS

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

Position Value

$46,463,359

+$13,088,549 QoQ

Shares Held

1,371,005

+31.5% QoQ

Ownership

1.15%

of shares outstanding

% of Portfolio

0.50%

of 13F equity value

Holder Rank

#19

of 198 holders

Holding Since

Dec 2025

3 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Castle Hook Partners LP holds $154,698,791 across 3 Biotechnology names. NAMS ranks #2 (30.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	INSM	INSMED Inc	993,310	$105,906,712
2	NAMS	NewAmsterdam Pharma Co N.V. This page	1,371,005	$46,463,359
3	NUVB	Nuvation Bio Inc.	409,986	$2,328,720

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$46,463,359	1,371,005	+31.5%	Shares	Sole	2026-08-14
2026-03-31	$33,374,810	1,042,637	-3.9%	Shares	Sole	2026-05-15
2025-12-31	$38,062,080	1,085,008	—	Shares	Sole	2026-02-17
No filing history on record for this holder in this stock.