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NewAmsterdam Pharma

194 hedge funds and large institutions have $4.13B invested in NewAmsterdam Pharma in 2026 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 70 increasing their positions, 50 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed

135% more first-time investments, than exits

New positions opened: 47 | Existing positions closed: 20

40% more repeat investments, than reductions

Existing positions increased: 70 | Existing positions reduced: 50

13% more funds holding

Funds holding: 171194 (+23)

4% more capital invested

Capital invested by funds: $3.96B → $4.13B (+$168M)

3.25% less ownership

Funds ownership: 107.55%104.29% (-3.3%)

25% less funds holding in top 10

Funds holding in top 10: 86 (-2)

85% less call options, than puts

Call options by funds: $12.7M | Put options by funds: $86M

Holders
194
Holders Change
+23
Holders Change %
+13.45%
% of All Funds
2.34%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.07%
New
47
Increased
70
Reduced
50
Closed
20
Calls
$12.7M
Puts
$86M
Net Calls
-$73.3M
Net Calls Change
-$66.6M
Name Holding Trade Value Shares
Change
Change in
Stake
FLSM
1
Frazier Life Sciences Management
California
$613M +$37.7M +1,145,128 +7%
Capital World Investors
2
Capital World Investors
California
$414M +$37M +1,121,523 +10%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$350M +$51.9M +1,573,852 +18%
RCM
4
RA Capital Management
Massachusetts
$324M
FIS
5
FCPM III Services
Netherlands
$288M -$23.3M -708,547 -8%
DM
6
Deerfield Management
New York
$145M
Viking Global Investors
7
Viking Global Investors
Connecticut
$142M
BCLSI
8
Bain Capital Life Sciences Investors
Massachusetts
$129M -$115M -3,500,000 -48%
MC
9
Maverick Capital
Texas
$111M +$35.6M +1,081,400 +49%
DFO
10
Duquesne Family Office
New York
$104M
JT
11
Jupiter Topco
New York
$86M +$83.6M +2,535,682 New
MVM
12
Medicxi Ventures Management
Jersey
$74.9M -$15.3M -465,543 -17%
Jennison Associates
13
Jennison Associates
New York
$71.2M -$21.4M -648,117 -24%
OAG
14
Orbis Allan Gray
Bermuda
$59.2M +$57.6M +1,747,627 New
PCH
15
Polar Capital Holdings
United Kingdom
$58.4M -$36.5M -1,107,089 -39%
Capital International Investors
16
Capital International Investors
California
$58.4M +$9.3M +282,364 +20%
Goldman Sachs
17
Goldman Sachs
New York
$52.4M -$13.2M -401,463 -21%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$52.1M -$22M -666,441 -30%
CHP
19
Castle Hook Partners
New York
$46.5M +$10.8M +328,368 +31%
Ameriprise
20
Ameriprise
Minnesota
$42.5M +$16.5M +500,495 +66%
AllianceBernstein
21
AllianceBernstein
Tennessee
$40.3M +$2M +60,615 +5%
T. Rowe Price Associates
22
T. Rowe Price Associates
Maryland
$39.6M +$38.5M +1,167,357 New
JP Morgan Chase
23
JP Morgan Chase
New York
$38.4M +$8.2M +248,727 +28%
Aberdeen Group
24
Aberdeen Group
United Kingdom
$37.4M +$8.76M +265,780 +32%
BlackRock
25
BlackRock
New York
$36.1M +$5.84M +177,134 +20%

NAMS Hedge Fund Activity: Q2 2026 in Review

194 of the 8,274 institutional investors tracked by Wall St. Rank reported a position in NewAmsterdam Pharma (NAMS) for Q2 2026, worth a combined $4.13B — up 4.2% from $3.96B a quarter earlier.

Buyers outnumbered sellers: 47 funds opened new NAMS positions and 20 closed out — a net gain of 27 holders — while 70 added to existing stakes and 50 trimmed.

The largest buyer was Orbis Allan Gray, opening a new position worth an estimated $57.6M. The largest seller was Wellington Management Group, cutting an estimated $161M.

  • 194 institutional investors held NewAmsterdam Pharma (NAMS) as of Q2 2026, up from 171 in Q1 2026.
  • Funds reported $4.13B of NewAmsterdam Pharma stock for Q2 2026, up 4.2% quarter-over-quarter.
  • 47 funds opened new NewAmsterdam Pharma positions in Q2 2026 and 20 closed out, a net change of +27 holders.
  • The largest NewAmsterdam Pharma buyer in Q2 2026 was Orbis Allan Gray, an estimated $57.6M added.
  • The largest NewAmsterdam Pharma seller in Q2 2026 was Wellington Management Group, an estimated $161M sold.

Based on aggregated 13F filings for Q2 2026.