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NewAmsterdam Pharma
NAMS

Overview Fund Activity

130 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, 30 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
130
Holders Change
+4
Holders Change %
+3.17%
% of All Funds
1.74%
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
30
Closed
20
Calls
$1.18M
Puts
$4.16M
Net Calls
-$2.98M
Net Calls Change
-$6.07M

Top Buyers

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

Top Sellers

1
Jennison Associates
Jennison Associates
New York
$53.4M
2
SL
Siren LLC
Connecticut
$21.6M
3
CAM
Cormorant Asset Management
Massachusetts
$39.4M
4
WP
Woodline Partners
California
$34.4M
5
Citadel Advisors
Citadel Advisors
Florida
$5.8M
Name Holding Trade Value Shares
Change 		Shares
Change %
HF
76
HRT Financial
New York
$474K -$116K -6,434 -20%
YC
77
Yarbrough Capital
Tennessee
$434K – – –
CUAMC
78
China Universal Asset Management Company
China
$408K +$9.44K +521 +2%
FAM
79
Fred Alger Management
New York
$399K -$97.5K -5,384 -20%
BG
80
Bellevue Group
Switzerland
$372K -$22.5K -1,245 -6%
HS
81
HighVista Strategies
Massachusetts
$349K +$349K +19,274 New
LCM
82
Legato Capital Management
California
$340K +$340K +18,789 New
Royal Bank of Canada
83
Royal Bank of Canada
Ontario, Canada
$332K +$163K +8,996 +96%
AG
84
Algert Global
California
$329K +$329K +18,140 New
Barclays
85
Barclays
United Kingdom
$323K +$35.9K +1,986 +13%
Squarepoint
86
Squarepoint
New York
$259K +$259K +14,279 New
PWM
87
PTM Wealth Management
United States
$256K +$256K +12,900 New
Verition Fund Management
88
Verition Fund Management
Connecticut
$250K -$664K -36,644 -73%
KCM
89
Kennedy Capital Management
Missouri
$248K +$248K +13,675 New
PCM
90
Prelude Capital Management
New York
$243K +$243K +13,420 New
ASRS
91
Arizona State Retirement System
Arizona
$231K +$41.3K +2,282 +22%
LBA
92
Letko, Brosseau & Associates
Quebec, Canada
$213K +$213K +11,775 New
Teacher Retirement System of Texas
93
Teacher Retirement System of Texas
Texas
$212K +$212K +11,700 New
Manulife (Manufacturers Life Insurance)
94
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$197K +$9.85K +544 +5%
Hudson Bay Capital Management
95
Hudson Bay Capital Management
Connecticut
$194K +$194K +10,739 New
KK
96
KLP Kapitalforvaltning
Norway
$165K +$56.1K +3,100 +52%
CIBC Private Wealth Group
97
CIBC Private Wealth Group
Georgia
$138K – – –
Zurich Cantonal Bank
98
Zurich Cantonal Bank
Switzerland
$137K +$28.1K +1,550 +26%
AF
99
Avanza Fonder
Sweden
$136K +$23.5K +1,300 +21%
QL
100
Quarry LP
New York
$127K +$105K +5,800 +483%
2 3
4
5 6