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194 hedge funds and large institutions have $668M invested in Ouster in 2025 Q2 according to their latest regulatory filings, with 64 funds opening new positions, 65 increasing their positions, 40 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

217% more capital invested

Capital invested by funds: $210M → $668M (+$457M)

201% more call options, than puts

Call options by funds: $79.8M | Put options by funds: $26.5M

129% more first-time investments, than exits

New positions opened: 64 | Existing positions closed: 28

63% more repeat investments, than reductions

Existing positions increased: 65 | Existing positions reduced: 40

22% more funds holding

Funds holding: 159194 (+35)

7.61% more ownership

Funds ownership: 43.59%51.2% (+7.6%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

Holders
194
Holders Change
+35
Holders Change %
+22.01%
% of All Funds
2.55%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
64
Increased
65
Reduced
40
Closed
28
Calls
$79.8M
Puts
$26.5M
Net Calls
+$53.3M
Net Calls Change
+$48.8M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$103M +$5.06M +416,327 +11%
BlackRock
2
BlackRock
New York
$97.8M +$4.99M +409,954 +11%
State Street
3
State Street
Massachusetts
$40.5M -$3.3M -271,542 -14%
Geode Capital Management
4
Geode Capital Management
Massachusetts
$28.9M +$1.16M +95,510 +9%
TCM
5
Tao Capital Management
California
$27.3M
Millennium Management
6
Millennium Management
New York
$25.8M +$1.13M +93,048 +10%
D.E. Shaw & Co
7
D.E. Shaw & Co
New York
$25.8M +$8.51M +699,849 +192%
PCM
8
Penn Capital Management
Pennsylvania
$16.7M -$5.69M -467,548 -40%
Marshall Wace
9
Marshall Wace
United Kingdom
$16.7M +$1.88M +154,353 +29%
Morgan Stanley
10
Morgan Stanley
New York
$15.1M -$70.7K -5,816 -0.9%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$14.1M +$118K +9,723 +2%
Invesco
12
Invesco
Georgia
$13.9M +$6.52M +536,413 +1,522%
Citadel Advisors
13
Citadel Advisors
Florida
$12.7M -$23.8K -1,954 -0.4%
N
14
Nuveen
North Carolina
$12.4M +$4.74M +390,043 +317%
T. Rowe Price Investment Management
15
T. Rowe Price Investment Management
Maryland
$12.3M +$6.15M +506,099 New
New York State Common Retirement Fund
16
New York State Common Retirement Fund
New York
$11.2M -$3.63M -298,901 -39%
Goldman Sachs
17
Goldman Sachs
New York
$10.5M +$1.71M +140,745 +48%
TI
18
Trexquant Investment
Connecticut
$10M -$824K -67,754 -14%
Charles Schwab
19
Charles Schwab
California
$9.65M +$358K +29,471 +8%
Northern Trust
20
Northern Trust
Illinois
$9.64M +$241K +19,855 +5%
Renaissance Technologies
21
Renaissance Technologies
New York
$9.47M +$3.88M +318,700 +443%
Tudor Investment Corp
22
Tudor Investment Corp
Connecticut
$8.65M +$4.34M +356,747 New
Jane Street
23
Jane Street
New York
$6.67M +$2.51M +206,771 +302%
EIM
24
Essex Investment Management
Massachusetts
$6.07M -$202K -16,592 -6%
HF
25
HRT Financial
New York
$5.68M +$2.85M +234,390 New

OUST Hedge Fund Activity: Q2 2025 in Review

194 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Ouster (OUST) for Q2 2025, worth a combined $668M — up 217% from $210M a quarter earlier.

Buyers outnumbered sellers: 64 funds opened new OUST positions and 28 closed out — a net gain of 36 holders — while 65 added to existing stakes and 40 trimmed.

The largest buyer was D.E. Shaw & Co, adding an estimated $8.51M. The largest seller was Penn Capital Management, cutting an estimated $5.69M.

  • 194 institutional investors held Ouster (OUST) as of Q2 2025, up from 159 in Q1 2025.
  • Funds reported $668M of Ouster stock for Q2 2025, up 217% quarter-over-quarter.
  • 64 funds opened new Ouster positions in Q2 2025 and 28 closed out, a net change of +36 holders.
  • The largest Ouster buyer in Q2 2025 was D.E. Shaw & Co, an estimated $8.51M added.
  • The largest Ouster seller in Q2 2025 was Penn Capital Management, an estimated $5.69M sold.

Based on aggregated 13F filings for Q2 2025.