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DEERFIELD MANAGEMENT COMPANY, L.P.

Position in NAMS — NewAmsterdam Pharma Co N.V.

CIK 1009258 NEW YORK, NY

Position in NAMS

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$146,516,557
+$8,141,211 QoQ
Shares Held
4,357,576
0.0% QoQ
Ownership
3.65%
of shares outstanding
% of Portfolio
2.48%
of 13F equity value
Holder Rank
#6
of 197 holders
Holding Since
Dec 2022
15 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NAMS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

DEERFIELD MANAGEMENT COMPANY, L.P. holds $3,763,549,987 across 45 Biotechnology names. NAMS ranks #9 (3.9% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NAMS

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28 filing rows on record
Report Date Value (USD) Shares
2026-06-30 NAMSW $1,982,858 92,787
2026-06-30 $144,533,699 4,264,789
2026-03-31 NAMSW $1,859,451 92,787
2026-03-31 $136,515,895 4,264,789
2025-12-31 NAMSW $2,134,101 92,787
2025-12-31 $146,100,798 4,164,789
2025-09-30 NAMSW $1,587,585 92,787
2025-09-30 $121,344,748 4,266,693
2025-06-30 NAMSW $742,296 92,787
2025-06-30 $92,649,908 5,115,953
2025-03-31 NAMSW $834,155 92,787
2025-03-31 $84,007,999 4,103,957
2024-12-31 NAMSW $1,322,214 92,787
2024-12-31 $110,878,538 4,314,340
2024-09-30 NAMSW $649,509 92,787
2024-09-30 $14,969,050 901,750
2024-06-30 NAMSW $809,102 92,787
2024-06-30 $16,698,292 869,250
2024-03-31 NAMSW $1,024,368 92,787
2024-03-31 $15,774,550 667,000
2023-12-31 NAMSW $290,423 92,787
2023-09-30 NAMSW $176,295 92,787
2023-06-30 NAMSW $193,924 92,787
2023-06-30 $30,149,746 2,535,723
2023-03-31 NAMSW $170,728 92,787
2023-03-31 $33,623,686 2,535,723
2022-12-31 NAMSW $80,539 92,787
2022-12-31 $27,034,169 2,480,199