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NewAmsterdam Pharma
NAMS

Overview Fund Activity

126 hedge funds and large institutions have $2.28B invested in NewAmsterdam Pharma in 2025 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 51 increasing their positions, 32 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
126
Holders Change
-4
Holders Change %
-3.08%
% of All Funds
1.71%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.1%
New
26
Increased
51
Reduced
32
Closed
30
Calls
$9.46M
Puts
$6.37M
Net Calls
+$3.09M
Net Calls Change
+$7.53M

Top Buyers

1
Capital World Investors
Capital World Investors
California
+$118M
2
RCM
RA Capital Management
Massachusetts
+$26.5M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$25.1M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$19.7M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$19M

Top Sellers

1
Millennium Management
Millennium Management
New York
-$9.82M
2
CAM
Cormorant Asset Management
Massachusetts
-$8.7M
3
OM
Opaleye Management
Massachusetts
-$8.35M
4
Marshall Wace
Marshall Wace
United Kingdom
-$7.41M
5
GC
GMT Capital
Georgia
-$7.33M
Name Holding Trade Value Shares
Change 		Shares
Change %
Bank of America
26
Bank of America
North Carolina
$13.5M +$12.6M +615,779 +1,415%
Goldman Sachs
27
Goldman Sachs
New York
$12.7M -$719K -35,147 -5%
MC
28
Maverick Capital
Texas
$11.2M +$4.08M +199,464 +57%
RSCM
29
Rock Springs Capital Management
Maryland
$11M -$4.74M -231,411 -30%
American Century Companies
30
American Century Companies
Missouri
$10.8M +$3.73M +182,258 +53%
BlackRock
31
BlackRock
New York
$10.2M +$1.16M +56,463 +13%
Morgan Stanley
32
Morgan Stanley
New York
$8.96M +$152K +7,437 +2%
UBS Group
33
UBS Group
Switzerland
$8.15M +$6.51M +317,933 +396%
Aberdeen Group
34
Aberdeen Group
United Kingdom
$7.71M +$4.05M +197,803 +110%
ACH
35
ArrowMark Colorado Holdings
Colorado
$7.4M +$341K +16,674 +5%
AAA
36
Affinity Asset Advisors
New York
$6.65M -$2.05M -100,000 -24%
SPC
37
Slate Path Capital
New York
$6.53M – – –
UBS AM
38
UBS AM
Illinois
$5.9M +$708K +34,563 +14%
EP
39
Eversept Partners
New York
$5.75M +$114K +5,589 +2%
Handelsbanken Fonder
40
Handelsbanken Fonder
Sweden
$5.32M +$1.49M +72,596 +39%
Franklin Resources
41
Franklin Resources
California
$5.24M +$5.24M +255,912 New
Axa
42
Axa
France
$4.96M -$732K -35,747 -13%
RAM
43
Readystate Asset Management
Illinois
$4.7M -$629K -30,738 -12%
CP
44
CenterBook Partners
Connecticut
$4.55M +$280K +13,675 +7%
CCM
45
Cutter Capital Management
New York
$4.53M -$2.37M -116,000 -34%
DA
46
DCF Advisers
Connecticut
$3.53M +$1.7M +83,100 +93%
Susquehanna International Group
47
Susquehanna International Group
Pennsylvania
$3.05M +$2.87M +140,070 +1,562%
BFM
48
Boothbay Fund Management
New York
$2.64M +$1.91M +93,308 +262%
First Trust Advisors
49
First Trust Advisors
Illinois
$2.44M +$2.44M +119,052 New
Invesco
50
Invesco
Georgia
$2.43M -$647K -31,625 -21%
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