Ouster
OUST
159 hedge funds and large institutions have $210M invested in Ouster in 2025 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 55 increasing their positions, 37 reducing their positions, and 20 closing their positions.
80% more first-time investments, than exits
New positions opened: 36 | Existing positions closed: 20
50% more call options, than puts
Call options by funds: $13.7M | Put options by funds: $9.13M
49% more repeat investments, than reductions
Existing positions increased: 55 | Existing positions reduced: 37
10% more funds holding
Funds holding: 145 → 159 (+14)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
2.8% less ownership
Funds ownership: 46.39% → 43.59% (-2.8%)
26% less capital invested
Capital invested by funds: $283M → $210M (-$72.5M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$5.26M |
| 2 |
Millennium Management
New York
|
+$4.25M |
| 3 |
ACH
ArrowMark Colorado Holdings
Denver,
Colorado
|
+$3.1M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$2.51M |
| 5 |
HIM
Herald Investment Management
London,
United Kingdom
|
+$1.97M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
-$8.89M |
| 2 |
ER
EVR Research
Richmond,
Virginia
|
-$5.34M |
| 3 |
MHP
Manatuck Hill Partners
Westport,
Connecticut
|
-$2.57M |
| 4 |
HLAM
Hidden Lake Asset Management
New York
|
-$1.76M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
-$1.33M |
OUST Hedge Fund Activity: Q1 2025 in Review
159 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Ouster (OUST) for Q1 2025, worth a combined $210M — down 26% from $283M a quarter earlier.
Buyers outnumbered sellers: 36 funds opened new OUST positions and 20 closed out — a net gain of 16 holders — while 55 added to existing stakes and 37 trimmed.
The largest buyer was Marshall Wace, opening a new position worth an estimated $5.26M. The largest seller was D.E. Shaw & Co, cutting an estimated $8.89M.
- 159 institutional investors held Ouster (OUST) as of Q1 2025, up from 145 in Q4 2024.
- Funds reported $210M of Ouster stock for Q1 2025, down 26% quarter-over-quarter.
- 36 funds opened new Ouster positions in Q1 2025 and 20 closed out, a net change of +16 holders.
- The largest Ouster buyer in Q1 2025 was Marshall Wace, an estimated $5.26M added.
- The largest Ouster seller in Q1 2025 was D.E. Shaw & Co, an estimated $8.89M sold.
Based on aggregated 13F filings for Q1 2025.