Stock Ownership/NEWAMSTERDAM PHARMA COMPANY

NEWAMSTERDAM PHARMA COMPANY: Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NEWAMSTERDAM PHARMA COMPANY. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
21
13F filers
Aggregate Value
$487.6M
Across holders
Last Price
—
EOD close
Sector
—
GICS
Institutional Holders of NEWAMSTERDAM PHARMA COMPANY
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21 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
VIKING GLOBAL INVESTORS LP
CIK 0001103804
Hedge Fund4.20M$142.5M29.2%0.4%Unchanged+$0Q2 2026
MAVERICK CAPITAL LTD
CIK 0000934639
Hedge Fund3.27M$110.7M22.7%1.0%Added+$36.6MQ2 2026
Duquesne Family Office LLC
CIK 0001536411
Family Office3.07M$104.0M21.3%2.0%Unchanged+$0Q2 2026
Woodline Partners LP
CIK 0001784547
Hedge Fund752K$25.5M5.2%0.1%Added+$6KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund646K$21.9M4.5%0.0%Added+$19.8MQ2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
Hedge Fund550K$18.6M3.8%0.0%Reduced$-18.9MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund502K$17.0M3.5%0.0%Added+$6.7MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund304K$10.3M2.1%0.1%New—Q2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund212K$7.2M1.5%0.3%Reduced$-1.6MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund169K$5.7M1.2%0.0%Added+$5.1MQ2 2026
VIKING GLOBAL INVESTORS LPUnchanged
Hedge Fund
$142.5M· 29.2% of total· 0.4% port· 4.20M sh· +$0 QoQ· Q2 2026
MAVERICK CAPITAL LTDAdded
Hedge Fund
$110.7M· 22.7% of total· 1.0% port· 3.27M sh· +$36.6M QoQ· Q2 2026
Duquesne Family Office LLCUnchanged
Family Office
$104.0M· 21.3% of total· 2.0% port· 3.07M sh· +$0 QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$25.5M· 5.2% of total· 0.1% port· 752K sh· +$6K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$21.9M· 4.5% of total· 0.0% port· 646K sh· +$19.8M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$18.6M· 3.8% of total· 0.0% port· 550K sh· $-18.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$17.0M· 3.5% of total· 0.0% port· 502K sh· +$6.7M QoQ· Q2 2026
ExodusPoint Capital Management, LPNew
Hedge Fund
$10.3M· 2.1% of total· 0.1% port· 304K sh· — QoQ· Q2 2026
ArrowMark Colorado Holdings LLCReduced
Hedge Fund
$7.2M· 1.5% of total· 0.3% port· 212K sh· $-1.6M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$5.7M· 1.2% of total· 0.0% port· 169K sh· +$5.1M QoQ· Q2 2026
SHAW D E & CO INCNew
Hedge Fund
$4.1M· 0.8% of total· 0.0% port· 121K sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$3.8M· 0.8% of total· 0.0% port· 112K sh· +$1.8M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$3.1M· 0.6% of total· 0.0% port· 92K sh· +$1.7M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCNew
Hedge Fund
$3.0M· 0.6% of total· 0.0% port· 90K sh· — QoQ· Q2 2026
Man Group plcNew
Hedge Fund
$2.7M· 0.6% of total· 0.0% port· 81K sh· — QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALNew
Hedge Fund
$2.7M· 0.6% of total· 0.0% port· 79K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdNew
Hedge Fund
$1.6M· 0.3% of total· 0.0% port· 47K sh· — QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$1.5M· 0.3% of total· 0.0% port· 45K sh· $-308K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$769K· 0.2% of total· 0.0% port· 23K sh· +$732K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPNew
Hedge Fund
$407K· 0.1% of total· 0.0% port· 12K sh· — QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$324K· 0.1% of total· 0.0% port· 10K sh· $-246K QoQ· Q2 2026
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