RA Capital Management’s NewAmsterdam Pharma Warrant NAMSW Stock Holding History

RA Capital Management’s Portfolio NAMSW Stock Details NAMSW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$7.12M	Hold	333,333	–	–	0.06%	78
2026 Q1	$6.68M	Hold	333,333	–	–	0.07%	78
2025 Q4	$7.67M	Hold	333,333	–	–	0.08%	62
2025 Q3	$5.7M	Hold	333,333	–	–	0.07%	61
2025 Q2	$2.67M	Hold	333,333	–	–	0.04%	61
2025 Q1	$3M	Hold	333,333	–	–	0.05%	81
2024 Q4	$4.75M	Hold	333,333	–	–	0.06%	83
2024 Q3	$2.33M	Hold	333,333	–	–	0.03%	78
2024 Q2	$2.91M	Hold	333,333	–	–	0.04%	76
2024 Q1	$3.68M	Hold	333,333	–	–	0.05%	76
2023 Q4	$1.04M	Hold	333,333	–	–	0.02%	62
2023 Q3	$633K	Hold	333,333	–	–	0.01%	66
2023 Q2	$697K	Hold	333,333	–	–	0.01%	54
2023 Q1	$613K	Hold	333,333	–	–	0.01%	58
2022 Q4	$289K	Buy	+333,333	New	+$274K	0.01%	69

Other funds holding NAMSW

FLSM

Frazier Life Sciences Management Palo Alto, California $4.59B AUM 237.58% 1-Year Est. Return

AAA

Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return

BCLSI

Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return

Deerfield Management New York $9.59B AUM 113.36% 1-Year Est. Return

Aristeia Capital Greenwich, Connecticut $7.69B AUM 15.48% 1-Year Est. Return

WAM

Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return

Vestcor Inc Fredericton, New Brunswick, Canada $4.05B AUM 34.57% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

RA Capital Management's NAMSW Position: Q2 2026 in Review

RA Capital Management held its NewAmsterdam Pharma Warrant (NAMSW) position steady in Q2 2026 at 333,333 shares worth $7.12M. The position accounts for 0.06% of the portfolio, ranked #78.

RA Capital Management first reported a position in NAMSW in Q4 2022 and has held it in 15 quarters since. The position peaked at $7.67M in Q4 2025. 9 funds tracked by Wall St. Rank hold NAMSW as of Q2 2026.

RA Capital Management held 333,333 shares of NewAmsterdam Pharma Warrant worth $7.12M as of Q2 2026.
RA Capital Management left its NewAmsterdam Pharma Warrant share count unchanged in Q2 2026.
NewAmsterdam Pharma Warrant made up 0.06% of RA Capital Management's portfolio in Q2 2026, its #78 holding.
RA Capital Management first reported a position in NewAmsterdam Pharma Warrant in Q4 2022 and has held it in 15 quarters since.
RA Capital Management's NewAmsterdam Pharma Warrant position peaked at $7.67M in Q4 2025.
9 funds tracked by Wall St. Rank held NewAmsterdam Pharma Warrant as of Q2 2026.

Based on RA Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.