Oceaneering
OII
285 hedge funds and large institutions have $2.1B invested in Oceaneering in 2025 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 108 increasing their positions, 111 reducing their positions, and 36 closing their positions.
5% more call options, than puts
Call options by funds: $1.81M | Put options by funds: $1.73M
3% more first-time investments, than exits
New positions opened: 37 | Existing positions closed: 36
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
0% less funds holding
Funds holding: 286 → 285 (-1)
3% less repeat investments, than reductions
Existing positions increased: 108 | Existing positions reduced: 111
3.98% less ownership
Funds ownership: 99.47% → 95.49% (-4%)
20% less capital invested
Capital invested by funds: $2.62B → $2.1B (-$525M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Brown Advisory
Baltimore,
Maryland
|
+$33.6M |
| 2 |
Schroder Investment Management Group
London,
United Kingdom
|
+$8.04M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$7.9M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
+$6.45M |
| 5 |
EP
Edgestream Partners
Princeton,
New Jersey
|
+$5.48M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of New York Mellon
New York
|
-$33.2M |
| 2 |
EARNEST Partners
Atlanta,
Georgia
|
-$29M |
| 3 |
New York State Common Retirement Fund
Albany,
New York
|
-$27M |
| 4 |
Neuberger Berman Group
New York
|
-$22.4M |
| 5 |
Franklin Resources
San Mateo,
California
|
-$16.9M |
OII Hedge Fund Activity: Q1 2025 in Review
285 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Oceaneering (OII) for Q1 2025, worth a combined $2.1B — down 20% from $2.62B a quarter earlier.
Buyers outnumbered sellers: 37 funds opened new OII positions and 36 closed out — a net gain of 1 holder — while 108 added to existing stakes and 111 trimmed.
The largest buyer was Brown Advisory, adding an estimated $33.6M. The largest seller was Bank of New York Mellon, cutting an estimated $33.2M.
- 285 institutional investors held Oceaneering (OII) as of Q1 2025, down from 286 in Q4 2024.
- Funds reported $2.1B of Oceaneering stock for Q1 2025, down 20% quarter-over-quarter.
- 37 funds opened new Oceaneering positions in Q1 2025 and 36 closed out, a net change of +1 holder.
- The largest Oceaneering buyer in Q1 2025 was Brown Advisory, an estimated $33.6M added.
- The largest Oceaneering seller in Q1 2025 was Bank of New York Mellon, an estimated $33.2M sold.
Based on aggregated 13F filings for Q1 2025.