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NewAmsterdam Pharma
NAMS

Overview Fund Activity

128 hedge funds and large institutions have $2.11B invested in NewAmsterdam Pharma in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 58 increasing their positions, 29 reducing their positions, and 20 closing their positions.

Holders
128
Holders Change
+2
Holders Change %
+1.59%
% of All Funds
1.72%
Holding in Top 10
7
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.09%
New
25
Increased
58
Reduced
29
Closed
20
Calls
$943K
Puts
$2.81M
Net Calls
-$1.87M
Net Calls Change
-$4.96M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$152M
2
Adage Capital Partners
2
Adage Capital Partners
Massachusetts
$54.6M
3
DM
3
Deerfield Management
New York
$92.6M
4
MC
4
Maverick Capital
Texas
$27.7M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$34.5M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$53.4M
2
SL
2
Siren LLC
Connecticut
$21.6M
3
CAM
3
Cormorant Asset Management
Massachusetts
$39.4M
4
WP
4
Woodline Partners
California
$34.4M
5
Citadel Advisors
5
Citadel Advisors
Florida
$5.8M
Name Market Value Shares Shares
Change 		Shares
Change %
YC
76
Yarbrough Capital
Tennessee
$434K 23,960 – –
CUAMC
77
China Universal Asset Management Company
China
$408K 22,549 +521 +2%
FAM
78
Fred Alger Management
New York
$399K 22,037 -5,384 -20%
BG
79
Bellevue Group
Switzerland
$372K 20,555 -1,245 -6%
HS
80
HighVista Strategies
Massachusetts
$349K 19,274 +19,274 New
LCM
81
Legato Capital Management
California
$340K 18,789 +18,789 New
Royal Bank of Canada
82
Royal Bank of Canada
Ontario, Canada
$332K 18,332 +8,996 +96%
AG
83
Algert Global
California
$329K 18,140 +18,140 New
Barclays
84
Barclays
United Kingdom
$323K 17,871 +1,986 +13%
Squarepoint
85
Squarepoint
New York
$259K 14,279 +14,279 New
PWM
86
PTM Wealth Management
United States
$256K 12,900 +12,900 New
Verition Fund Management
87
Verition Fund Management
Connecticut
$250K 13,828 -36,644 -73%
KCM
88
Kennedy Capital Management
Missouri
$248K 13,675 +13,675 New
PCM
89
Prelude Capital Management
New York
$243K 13,420 +13,420 New
ASRS
90
Arizona State Retirement System
Arizona
$231K 12,768 +2,282 +22%
LBA
91
Letko, Brosseau & Associates
Quebec, Canada
$213K 11,775 +11,775 New
Teacher Retirement System of Texas
92
Teacher Retirement System of Texas
Texas
$212K 11,700 +11,700 New
Manulife (Manufacturers Life Insurance)
93
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$197K 10,868 +544 +5%
Hudson Bay Capital Management
94
Hudson Bay Capital Management
Connecticut
$194K 10,739 +10,739 New
KK
95
KLP Kapitalforvaltning
Norway
$165K 9,100 +3,100 +52%
Zurich Cantonal Bank
96
Zurich Cantonal Bank
Switzerland
$137K 7,540 +1,550 +26%
AF
97
Avanza Fonder
Sweden
$136K 7,505 +1,300 +21%
QL
98
Quarry LP
New York
$127K 7,000 +5,800 +483%
CM
99
Caption Management
Oklahoma
$109K 6,000 -24,934 -81%
Simplex Trading
100
Simplex Trading
Illinois
$101K 5,604 +3,076 +122%
2 3
4
5 6