Who Owns NewAmsterdam Pharma Company N.V. (NAMS)?Hedge Fund & Institutional Holders

$30.45+0.67 (+2.23%)HealthcareNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

Infinity%

QoQ Change in Holders

+3 / -3

Price History

$14.90$21.54$28.18$34.81$41.45Oct 24Jun 25Mar 26

NAMS — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FMR LLCIncreased+878K+$221.8B
JENNISON ASSOCIATES LLCNew Position+3.5M+$122.4B
Frazier Life Sciences Management, L.P.Increased+242K+$122.3B
Capital World InvestorsIncreased+161K+$70.6B
WELLINGTON MANAGEMENT GROUP LLPIncreased+1.0M+$58.7B
GOLDMAN SACHS GROUP INCIncreased+845K+$35.0B
MAVERICK CAPITAL LTDIncreased+389K+$23.2B
JANUS HENDERSON GROUP PLCIncreased+225K+$20.9B
Ensign Peak Advisors, IncNew Position+550K+$19.0B
Logos Global Management LPNew Position+450K+$15.8B
CITADEL ADVISORS LLCIncreased+429K+$15.1B
FRANKLIN RESOURCES INCIncreased+363K+$14.5B
Artia Global Partners LPIncreased+309K+$12.1B
First Turn Management, LLCIncreased+177K+$11.0B
UBS Group AGIncreased+131K+$9.7B

NAMS — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
RA CAPITAL MANAGEMENT, L.P.Decreased-589K-$293.7B
Bain Capital Life Sciences Investors, LLCDecreased-3.4M-$47.9B
VIKING GLOBAL INVESTORS LPDecreased-2.3M-$36.7B
Cormorant Asset Management, LPDecreased-1.2M-$26.8B
ADAGE CAPITAL PARTNERS GP, L.L.C.Decreased-1.2M-$24.3B
Siren, L.L.C.Closed Position-766K-$21.8B
ALLIANCEBERNSTEIN L.P.Decreased-841K-$15.9B
Woodline Partners LPDecreased-407K-$6.9B
AXA Investment Managers S.A.Closed Position-197K-$5.6B
Saturn V Capital Management LPClosed Position-153K-$4.4B
JPMORGAN CHASE & CODecreased-303K-$4.0B
Ikarian Capital, LLCDecreased-61K-$3.0B
Invesco Ltd.Decreased-99K-$2.8B
CenterBook Partners LPDecreased-59K-$2.0B
STEMPOINT CAPITAL LPDecreased-77K-$1.7B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Frazier Life Sciences Management, L.P.16,943,774$594.4B15.96%Share
2Capital World Investors9,984,000$350.0B47.60%Share
3Bain Capital Life Sciences Investors, LLC7,306,566$256.3B19.63%Share
4FMR LLC5,498,198$192.0B9.79%Share
5WELLINGTON MANAGEMENT GROUP LLP4,701,398$164.0B28.74%Share
6FCPM III SERVICES B.V.4,648,025$163.1B21.37%Share
7FCPM III SERVICES B.V.4,550,875$159.6B20.93%Share
8VIKING GLOBAL INVESTORS LP4,203,567$147.5B391.37%Share
9DEERFIELD MANAGEMENT COMPANY, L.P.4,164,789$146.1B1865.86%Share
10JENNISON ASSOCIATES LLC2,967,825$104.1B62.50%Share
11Polar Capital Holdings Plc2,776,222$97.0B374.85%Share
12JANUS HENDERSON GROUP PLC2,320,346$81.0B36.27%Share
13MAVERICK CAPITAL LTD1,894,226$66.0B708.46%Share
14GOLDMAN SACHS GROUP INC1,664,734$58.0B7.15%Share
15ADAGE CAPITAL PARTNERS GP, L.L.C.1,406,631$49.0B74.16%Share
16ALLIANCEBERNSTEIN L.P.1,300,875$45.0B14.21%Share
17Cormorant Asset Management, LP1,000,000$35.1B1.62%Share
18First Turn Management, LLC893,473$31.3B3.58%Share
19JPMORGAN CHASE & CO829,529$29.0B1.82%Share
20TimesSquare Capital Management, LLC822,300$28.8B434.53%Share
21FRANKLIN RESOURCES INC762,298$26.0B6.38%Share
22Woodline Partners LP751,270$26.0B100.74%Share
23Aberdeen Group plc729,484$25.6B39.62%Share
24UBS Group AG703,492$24.7B4.00%Share
25AMERICAN CENTURY COMPANIES INC603,401$21.0B10.55%Share
26Decheng Capital LLC592,057$20.8B2.79%Share
27Rock Springs Capital Management LP557,194$19.5B1.00%Share
28Ensign Peak Advisors, Inc549,511$19.0B33.56%Share
29JENNISON ASSOCIATES LLC521,396$18.3B10.98%Share
30Artia Global Partners LP503,936$17.7B2.50%Share
31Logos Global Management LP450,000$15.8B0.95%Share
32Eversept Partners, LP420,827$14.8B0.74%Share
33FMR LLC376,682$13.0B0.66%Share
34FMR LLC370,260$12.0B0.61%Share
35BANK OF AMERICA CORP /DE/351,504$12.0B0.87%Share
36Frazier Life Sciences Management, L.P.500,333$11.5B0.31%Share
37Slate Path Capital LP319,000$11.2B150.92%Share
38CITADEL ADVISORS LLC340,357$11.0B1.65%Share
39ArrowMark Colorado Holdings LLC298,077$10.5B0.23%Share
40CITADEL ADVISORS LLC294,890$10.0B1.50%Share
41Affinity Asset Advisors, LLC275,000$9.6B0.55%Share
42FIRST TRUST ADVISORS LP279,701$9.0B6.54%Share
43GILDER GAGNON HOWE & CO LLC248,528$8.7B92.02%Share
44MILLENNIUM MANAGEMENT LLC254,596$8.0B3.36%Share
45Nicholas Investment Partners, LP213,419$7.5B0.55%Share
46WELLINGTON MANAGEMENT GROUP LLP226,895$7.0B1.23%Share
47SUSQUEHANNA INTERNATIONAL GROUP, LLP201,300$7.0B0.81%Put
48Atle Fund Management AB197,036$6.9B2.21%Share
49UBS Group AG191,100$6.7B1.09%Share
50KENNEDY CAPITAL MANAGEMENT LLC172,931$6.1B0.13%Share

NAMS Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025185$3.3T+73
Q3 2025112$2.9T+2
Q2 2025110$1.6T-21
Q1 2025131$2.1T-5
Q4 2024136$3.0T+41
Q3 202495$7.5T+11
Q2 202484$1.8T+8
Q1 202476$3.9T—

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As of Q4 2025, 50 institutional investors hold NAMS (NewAmsterdam Pharma Company N.V.). The largest holder is Frazier Life Sciences Management, L.P. with $594.4B in shares. This quarter, 3 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own NAMS?

As of Q4 2025, 50 institutional investors report holding NAMS (NewAmsterdam Pharma Company N.V.) in their 13F filings.

Who is the largest institutional holder of NAMS?

The largest institutional holder of NAMS is Frazier Life Sciences Management, L.P. with $594.4B in shares.

Is institutional ownership of NAMS increasing or decreasing?

This quarter, 3 institutions opened new positions in NAMS and 3 closed their positions.