Ouster
OUST
230 hedge funds and large institutions have $886M invested in Ouster in 2025 Q3 according to their latest regulatory filings, with 67 funds opening new positions, 74 increasing their positions, 55 reducing their positions, and 31 closing their positions.
116% more first-time investments, than exits
New positions opened: 67 | Existing positions closed: 31
49% more call options, than puts
Call options by funds: $89.1M | Put options by funds: $59.8M
35% more repeat investments, than reductions
Existing positions increased: 74 | Existing positions reduced: 55
33% more capital invested
Capital invested by funds: $668M → $886M (+$218M)
19% more funds holding
Funds holding: 194 → 230 (+36)
5.43% more ownership
Funds ownership: 51.2% → 56.62% (+5.4%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
+$42.5M |
| 2 |
BlackRock
New York
|
+$23.2M |
| 3 |
SPC
Slate Path Capital
New York
|
+$23.1M |
| 4 |
Vanguard Group
Malvern,
Pennsylvania
|
+$13.3M |
| 5 |
Renaissance Technologies
New York
|
+$10.9M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
-$21.9M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$16.2M |
| 3 |
Millennium Management
New York
|
-$15.6M |
| 4 |
Invesco
Atlanta,
Georgia
|
-$14.2M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$12.3M |
OUST Hedge Fund Activity: Q3 2025 in Review
230 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Ouster (OUST) for Q3 2025, worth a combined $886M — up 33% from $668M a quarter earlier.
Buyers outnumbered sellers: 67 funds opened new OUST positions and 31 closed out — a net gain of 36 holders — while 74 added to existing stakes and 55 trimmed.
The largest buyer was Driehaus Capital Management, opening a new position worth an estimated $42.5M. The largest seller was D.E. Shaw & Co, cutting an estimated $21.9M.
- 230 institutional investors held Ouster (OUST) as of Q3 2025, up from 194 in Q2 2025.
- Funds reported $886M of Ouster stock for Q3 2025, up 33% quarter-over-quarter.
- 67 funds opened new Ouster positions in Q3 2025 and 31 closed out, a net change of +36 holders.
- The largest Ouster buyer in Q3 2025 was Driehaus Capital Management, an estimated $42.5M added.
- The largest Ouster seller in Q3 2025 was D.E. Shaw & Co, an estimated $21.9M sold.
Based on aggregated 13F filings for Q3 2025.