13F Insight
DOSSIER · 13F Holders · Q1 2026

NEWAMSTERDAM PHARMA COMPANY

181 institutions still hold NEWAMSTERDAM PHARMA COMPANY as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP N62509109·181 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$3.3B
visible holders
Holders
181
filers reporting
Concentration
16.67%
Frazier Life Sciences Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

181 institutions reported NEWAMSTERDAM PHARMA COMPANY in Q1 2026. Frazier Life Sciences Management, L.P. leads at 16.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Frazier Life Sciences Management, L.P.
CIK 0001892134
$542M16.9M13.96%Q1 202602
Capital World Investors
CIK 0001422849
$356M11.1M0.05%Q1 202603
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$306M9.6M3.24%Q1 202604
FCPM III SERVICES B.V.
CIK 0002013410
$294M9.2M40.77%Q1 202605
FMR LLC
CIK 0000315066
$281M8.8M0.01%Q1 202606
Bain Capital Life Sciences Investors, LLC
CIK 0001703031
$234M7.3M21.09%Q1 202607
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$164M5.1M0.03%Q1 202608
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$146M4.2M1.87%Q4 202509
VIKING GLOBAL INVESTORS LP
CIK 0001103804
$135M4.2M0.38%Q1 202610
JENNISON ASSOCIATES LLC
CIK 0000053417
$122M3.5M0.07%Q4 202511
Duquesne Family Office LLC
CIK 0001536411
$98M3.1M2.91%Q1 202612
Polar Capital Holdings Plc
CIK 0001837309
$91M2.8M0.32%Q1 202613
Medicxi Ventures Management (Jersey) Ltd
CIK 0001715579
$86M2.7M8.72%Q1 202614
JANUS HENDERSON GROUP PLC
CIK 0001274173
$72M2.3M0.03%Q1 202615
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 0001177719
$71M2.2M0.30%Q1 202616
MAVERICK CAPITAL LTD
CIK 0000934639
$70M2.2M0.81%Q1 202617
GOLDMAN SACHS GROUP INC
CIK 0000886982
$62M1.9M0.01%Q1 202618
Capital International Investors
CIK 0001562230
$46M1.4M0.01%Q1 202619
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$42M1.2M0.01%Q1 202620
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$35M1.1M0.05%Q1 2026
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