Ouster
OUST
223 hedge funds and large institutions have $652M invested in Ouster in 2025 Q4 according to their latest regulatory filings, with 43 funds opening new positions, 81 increasing their positions, 69 reducing their positions, and 46 closing their positions.
129% more call options, than puts
Call options by funds: $73.9M | Put options by funds: $32.3M
17% more repeat investments, than reductions
Existing positions increased: 81 | Existing positions reduced: 69
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
7% less first-time investments, than exits
New positions opened: 43 | Existing positions closed: 46
3% less funds holding
Funds holding: 230 → 223 (-7)
6.47% less ownership
Funds ownership: 56.62% → 50.15% (-6.5%)
26% less capital invested
Capital invested by funds: $886M → $652M (-$234M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
+$15.2M |
| 2 |
Handelsbanken Fonder
Stockholm,
Sweden
|
+$10.7M |
| 3 |
Squarepoint
New York
|
+$8.89M |
| 4 |
BlackRock
New York
|
+$7.14M |
| 5 |
First Trust Advisors
Wheaton,
Illinois
|
+$6.57M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$41.2M |
| 2 |
Renaissance Technologies
New York
|
-$21.2M |
| 3 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$9.19M |
| 4 |
TCM
Tao Capital Management
San Francisco,
California
|
-$7.4M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$7.3M |
OUST Hedge Fund Activity: Q4 2025 in Review
223 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Ouster (OUST) for Q4 2025, worth a combined $652M — down 26% from $886M a quarter earlier.
Sellers outnumbered buyers: 46 funds closed out of OUST and 43 opened new positions — a net loss of 3 holders — while 69 trimmed existing stakes and 81 added.
The largest buyer was D.E. Shaw & Co, adding an estimated $15.2M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $41.2M sold.
- 223 institutional investors held Ouster (OUST) as of Q4 2025, down from 230 in Q3 2025.
- Funds reported $652M of Ouster stock for Q4 2025, down 26% quarter-over-quarter.
- 43 funds opened new Ouster positions in Q4 2025 and 46 closed out, a net change of -3 holders.
- The largest Ouster buyer in Q4 2025 was D.E. Shaw & Co, an estimated $15.2M added.
- The largest Ouster seller in Q4 2025 was Driehaus Capital Management, an estimated $41.2M sold.
Based on aggregated 13F filings for Q4 2025.