13F Insight
DOSSIER · 13F Holders · Q1 2026CyclicalNet sold

NEWAMSTERDAM PHARMA COMPANY NV

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

CUSIP n62509109·177 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 7.1%
vs prior quarter
13F value held
$3.2B
48.0% inst. owned
of float
Holders
177
+82 QoQ
filers reporting
Activity
+16 / −63
+812 added · −872 reduced
this quarter
Concentration
17.01%
Frazier Life Sciences Management, L.P. #1
top holder share
AI Holders Summary · Q1 2026

177 institutions reported NEWAMSTERDAM PHARMA COMPANY NV in Q1 2026. Frazier Life Sciences Management, L.P. leads at 17.0% of the visible book. +82 net new institutions vs prior quarter — accumulation reading.

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
Polar Capital Holdings Plc
CIK 0001837309
$91M2.8M0.32%Q1 202612
Medicxi Ventures Management (Jersey) Ltd
CIK 0001715579
$86M2.7M8.72%Q1 202613
JANUS HENDERSON GROUP PLC
CIK 0001274173
$72M2.3M0.03%Q1 202614
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 0001177719
$71M2.2M0.30%Q1 202615
MAVERICK CAPITAL LTD
CIK 0000934639
$70M2.2M0.81%Q1 202616
GOLDMAN SACHS GROUP INC
CIK 0000886982
$62M1.9M0.01%Q1 202617
Capital International Investors
CIK 0001562230
$46M1.4M0.01%Q1 202618
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$42M1.2M0.01%Q1 202619
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$35M1.1M0.05%Q1 202620
Castle Hook Partners LP
CIK 0001687241
$33M1.0M0.14%Q1 2026
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