Oceaneering
301 hedge funds and large institutions have $2.37B invested in Oceaneering in 2025 Q3 according to their latest regulatory filings, with 46 funds opening new positions, 108 increasing their positions, 102 reducing their positions, and 30 closing their positions.
96% more call options, than puts
Call options by funds: $7.04M | Put options by funds: $3.59M
53% more first-time investments, than exits
New positions opened: 46 | Existing positions closed: 30
19% more capital invested
Capital invested by funds: $1.99B → $2.37B (+$383M)
5% more funds holding
Funds holding: 288 → 301 (+13)
6% more repeat investments, than reductions
Existing positions increased: 108 | Existing positions reduced: 102
0.13% more ownership
Funds ownership: 95.25% → 95.38% (+0.13%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
+$11.4M |
| 2 |
JP Morgan Chase
New York
|
+$8.52M |
| 3 |
Brown Advisory
Baltimore,
Maryland
|
+$8.18M |
| 4 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$7.65M |
| 5 |
AG
Algert Global
San Francisco,
California
|
+$6.35M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Balyasny Asset Management
Chicago,
Illinois
|
-$26.3M |
| 2 |
Franklin Resources
San Mateo,
California
|
-$12.2M |
| 3 |
Millennium Management
New York
|
-$11.9M |
| 4 |
State Street
Boston,
Massachusetts
|
-$8.69M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
-$4.77M |
OII Hedge Fund Activity: Q3 2025 in Review
301 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in Oceaneering (OII) for Q3 2025, worth a combined $2.37B — up 19% from $1.99B a quarter earlier.
Buyers outnumbered sellers: 46 funds opened new OII positions and 30 closed out — a net gain of 16 holders — while 108 added to existing stakes and 102 trimmed.
The largest buyer was Goldman Sachs, adding an estimated $11.4M. The largest seller was Balyasny Asset Management, cutting an estimated $26.3M.
- 301 institutional investors held Oceaneering (OII) as of Q3 2025, up from 288 in Q2 2025.
- Funds reported $2.37B of Oceaneering stock for Q3 2025, up 19% quarter-over-quarter.
- 46 funds opened new Oceaneering positions in Q3 2025 and 30 closed out, a net change of +16 holders.
- The largest Oceaneering buyer in Q3 2025 was Goldman Sachs, an estimated $11.4M added.
- The largest Oceaneering seller in Q3 2025 was Balyasny Asset Management, an estimated $26.3M sold.
Based on aggregated 13F filings for Q3 2025.