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NewAmsterdam Pharma
NAMS

137 hedge funds and large institutions have $3.42B invested in NewAmsterdam Pharma in 2025 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 48 increasing their positions, 40 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

62% more capital invested

Capital invested by funds: $2.11B → $3.42B (+$1.32B)

40% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 15

20% more repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 40

5% more funds holding

Funds holding: 131 → 137 (+6)

3.41% more ownership

Funds ownership: 103.65% → 107.06% (+3.4%)

0% more funds holding in top 10

Funds holding in top 10: 7 → 7 (0)

96% less call options, than puts

Call options by funds: $2.48M | Put options by funds: $69.2M

Holders
137
Holders Change
+6
Holders Change %
+4.58%
% of All Funds
1.8%
Holding in Top 10
7
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.09%
New
21
Increased
48
Reduced
40
Closed
15
Calls
$2.48M
Puts
$69.2M
Net Calls
-$66.7M
Net Calls Change
-$63.7M

Top Buyers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
+$87M
2
Capital World Investors
Capital World Investors
California
+$34.4M
3
Jennison Associates
Jennison Associates
New York
+$30M
4
DFO
Duquesne Family Office
New York
+$26.2M
5
Morgan Stanley
Morgan Stanley
New York
+$20.6M

Top Sellers

Rank Fund Capital Flow
1
FIS
FCPM III Services
Netherlands
-$34M
2
DM
Deerfield Management
New York
-$20.4M
3
WP
Woodline Partners
California
-$17.7M
4
Pictet Asset Management
Pictet Asset Management
Switzerland
-$12.6M
5
Viking Global Investors
Viking Global Investors
Connecticut
-$12.1M
Name Holding Trade Value Shares
Change 		Change in
Stake
Jones Financial Companies
126
Jones Financial Companies
Missouri
$7.1K – – –
AAP
127
Arax Advisory Partners
Colorado
$4.95K +$4.17K +174 New
US Bancorp
128
US Bancorp
Minnesota
$3.84K -$3.28K -137 -50%
CA
129
Clearstead Advisors
Ohio
$2.5K – – –
TWD
130
True Wealth Design
Ohio
$598 – – –
FFA
131
Farther Finance Advisors
California
$455 +$384 +16 New
KG
132
Kilter Group
New York
$285 – – –
EWA
133
EverSource Wealth Advisors
Alabama
$228 – – –
SS
134
Sunbelt Securities
Texas
$228 +$192 +8 New
IA
135
IFP Advisors
Florida
$85 – – –
EP
136
Essential Partners
California
$57 – – –
DCM
137
Dupont Capital Management
Delaware
$28 – – –
UBS AM
138
UBS AM
Illinois
– -$5.81M -320,804 Closed
Axa
139
Axa
France
– -$4.4M -242,916 Closed
First Trust Advisors
140
First Trust Advisors
Illinois
– -$2.38M -131,430 Closed
AA
141
ALPS Advisors
Colorado
– -$1.1M -60,551 Closed
EAM
142
Exome Asset Management
New York
– -$662K -36,574 Closed
Two Sigma Investments
143
Two Sigma Investments
New York
– -$514K -28,392 Closed
Millennium Management
144
Millennium Management
New York
– -$495K -27,345 Closed
HF
145
HRT Financial
New York
– -$474K -26,208 Closed
AG
146
Algert Global
California
– -$329K -18,140 Closed
PCM
147
Prelude Capital Management
New York
– -$243K -13,420 Closed
Hudson Bay Capital Management
148
Hudson Bay Capital Management
Connecticut
– -$194K -10,739 Closed
CM
149
Caption Management
Oklahoma
– -$144K -6,000 Closed
KWM
150
Kiker Wealth Management
Georgia
– -$36.2K -2,000 Closed
3 4 5
6
7

NAMS Hedge Fund Activity: Q3 2025 in Review

137 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in NewAmsterdam Pharma (NAMS) for Q3 2025, worth a combined $3.42B — up 62% from $2.11B a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new NAMS positions and 15 closed out — a net gain of 6 holders — while 48 added to existing stakes and 40 trimmed.

The largest buyer was Fidelity Investments, adding an estimated $87M. The largest seller was FCPM III Services, cutting an estimated $34M.

  • 137 institutional investors held NewAmsterdam Pharma (NAMS) as of Q3 2025, up from 131 in Q2 2025.
  • Funds reported $3.42B of NewAmsterdam Pharma stock for Q3 2025, up 62% quarter-over-quarter.
  • 21 funds opened new NewAmsterdam Pharma positions in Q3 2025 and 15 closed out, a net change of +6 holders.
  • The largest NewAmsterdam Pharma buyer in Q3 2025 was Fidelity Investments, an estimated $87M added.
  • The largest NewAmsterdam Pharma seller in Q3 2025 was FCPM III Services, an estimated $34M sold.

Based on aggregated 13F filings for Q3 2025.