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Outset Medical
OM

94 hedge funds and large institutions have $352M invested in Outset Medical in 2025 Q2 according to their latest regulatory filings, with 41 funds opening new positions, 25 increasing their positions, 15 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

413% more first-time investments, than exits

New positions opened: 41 | Existing positions closed: 8

116% more capital invested

Capital invested by funds: $163M → $352M (+$189M)

110% more call options, than puts

Call options by funds: $915K | Put options by funds: $436K

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

67% more repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 15

54% more funds holding

Funds holding: 61 → 94 (+33)

22.32% more ownership

Funds ownership: 83.23% → 105.55% (+22%)

Holders
94
Holders Change
+33
Holders Change %
+54.1%
% of All Funds
1.24%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
41
Increased
25
Reduced
15
Closed
8
Calls
$915K
Puts
$436K
Net Calls
+$479K
Net Calls Change
+$802K

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$14.3M
2
Vanguard Group
Vanguard Group
Pennsylvania
+$12.8M
3
PVI
Pura Vida Investments
New York
+$6.62M
4
Geode Capital Management
Geode Capital Management
Massachusetts
+$5.87M
5
PHP
Parkman Healthcare Partners
Connecticut
+$4.96M

Top Sellers

Rank Fund Capital Flow
1
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$3.72M
2
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$3.18M
3
Marshall Wace
Marshall Wace
United Kingdom
-$2.01M
4
DCP
Durable Capital Partners
Maryland
-$1.3M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
-$1.01M
Name Holding Trade Value Shares
Change 		Change in
Stake
Two Sigma Investments
26
Two Sigma Investments
New York
$1.42M +$902K +57,806 +355%
PVI
27
Pura Vida Investments
New York
$1.36M +$6.62M +424,120 +8,482%
CWG
28
C WorldWide Group
Denmark
$1.28M – – –
Walleye Capital
29
Walleye Capital
New York
$1.08M +$876K +56,101 New
Charles Schwab
30
Charles Schwab
California
$1.07M +$869K +55,660 New
TD Asset Management
31
TD Asset Management
Ontario, Canada
$1.02M -$16 -1 -0%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$766K +$622K +39,857 New
N
33
Nuveen
North Carolina
$761K +$618K +39,617 New
Squarepoint
34
Squarepoint
New York
$716K +$254K +16,255 +77%
BC
35
Birchview Capital
Vermont
$664K +$156K +10,000 +41%
Deutsche Bank
36
Deutsche Bank
Germany
$663K +$538K +34,495 New
National Bank of Canada
37
National Bank of Canada
Quebec, Canada
$662K +$265K +16,945 +96%
Barclays
38
Barclays
United Kingdom
$620K +$496K +31,788 +6,209%
CSS
39
Cubist Systematic Strategies
Connecticut
$582K +$473K +30,303 New
SPS
40
Susquehanna Portfolio Strategies
Pennsylvania
$566K +$460K +29,454 New
RhumbLine Advisers
41
RhumbLine Advisers
Massachusetts
$499K +$405K +25,975 New
GCP
42
GSA Capital Partners
United Kingdom
$492K -$27.8K -1,782 -7%
Acadian Asset Management
43
Acadian Asset Management
Massachusetts
$464K -$1.01M -64,958 -73%
Renaissance Technologies
44
Renaissance Technologies
New York
$458K -$271K -17,346 -42%
Verition Fund Management
45
Verition Fund Management
Connecticut
$446K +$362K +23,202 New
Susquehanna International Group
46
Susquehanna International Group
Pennsylvania
$416K +$338K +21,647 New
Two Sigma Advisers
47
Two Sigma Advisers
New York
$414K +$337K +21,575 New
Citadel Advisors
48
Citadel Advisors
Florida
$390K +$273K +17,483 +616%
MCM
49
Massar Capital Management
Connecticut
$384K +$312K +20,000 New
PP
50
PDT Partners
New York
$272K +$221K +14,159 New
1
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3 4 5

OM Hedge Fund Activity: Q2 2025 in Review

94 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Outset Medical (OM) for Q2 2025, worth a combined $352M — up 116% from $163M a quarter earlier.

Buyers outnumbered sellers: 41 funds opened new OM positions and 8 closed out — a net gain of 33 holders — while 25 added to existing stakes and 15 trimmed.

The largest buyer was BlackRock, adding an estimated $14.3M. The largest seller was Alyeska Investment Group, cutting an estimated $3.72M.

  • 94 institutional investors held Outset Medical (OM) as of Q2 2025, up from 61 in Q1 2025.
  • Funds reported $352M of Outset Medical stock for Q2 2025, up 116% quarter-over-quarter.
  • 41 funds opened new Outset Medical positions in Q2 2025 and 8 closed out, a net change of +33 holders.
  • The largest Outset Medical buyer in Q2 2025 was BlackRock, an estimated $14.3M added.
  • The largest Outset Medical seller in Q2 2025 was Alyeska Investment Group, an estimated $3.72M sold.

Based on aggregated 13F filings for Q2 2025.