SEI Investments’s NewAmsterdam Pharma NAMS Stock Holding History

SEI Investments’s Portfolio NAMS Stock Details NAMS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.39M	Sell	40,868 -14,769	-27%	-$487K	﹤0.01%	2134
2026 Q1	$1.78M	Buy	55,637 +14,597	+36%	+$475K	﹤0.01%	2065
2025 Q4	$1.44M	Buy	+41,040	New	+$1.49M	﹤0.01%	2014
2025 Q1	–	Sell	-9,326	Closed	-$240K	–	2810
2024 Q4	$240K	Sell	9,326 -14,456	-61%	-$307K	﹤0.01%	2427
2024 Q3	$395K	Sell	23,782 -779	-3%	-$13.5K	﹤0.01%	2256
2024 Q2	$472K	Buy	24,561 +8,087	+49%	+$162K	﹤0.01%	2177
2024 Q1	$390K	Buy	+16,474	New	+$334K	﹤0.01%	2202

Other funds holding NAMS

FLSM

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

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

FIS

FCPM III Services Naarden, Netherlands $750M AUM 127.27% 1-Year Est. Return

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

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

BCLSI

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

Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return

DFO

Duquesne Family Office New York $5.21B AUM 87.01% 1-Year Est. Return

SEI Investments's NAMS Position: Q2 2026 in Review

SEI Investments reduced its NewAmsterdam Pharma (NAMS) stake by 27% in Q2 2026, selling an estimated $487K and leaving 40,868 shares worth $1.39M. The position accounts for ﹤0.01% of the portfolio, ranked #2134.

SEI Investments first reported a position in NAMS in Q1 2024 and has held it in 7 quarters since. The position peaked at $1.78M in Q1 2026. 195 funds tracked by Wall St. Rank hold NAMS as of Q2 2026.

SEI Investments held 40,868 shares of NewAmsterdam Pharma worth $1.39M as of Q2 2026.
SEI Investments sold 14,769 NewAmsterdam Pharma shares in Q2 2026, an estimated $487K.
NewAmsterdam Pharma made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2134 holding.
SEI Investments first reported a position in NewAmsterdam Pharma in Q1 2024 and has held it in 7 quarters since.
SEI Investments's NewAmsterdam Pharma position peaked at $1.78M in Q1 2026.
195 funds tracked by Wall St. Rank held NewAmsterdam Pharma as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.