Transocean
470 hedge funds and large institutions have $3.19B invested in Transocean in 2025 Q4 according to their latest regulatory filings, with 96 funds opening new positions, 165 increasing their positions, 106 reducing their positions, and 70 closing their positions.
56% more repeat investments, than reductions
Existing positions increased: 165 | Existing positions reduced: 106
40% more funds holding in top 10
Funds holding in top 10: 5 → 7 (+2)
37% more first-time investments, than exits
New positions opened: 96 | Existing positions closed: 70
36% more capital invested
Capital invested by funds: $2.34B → $3.19B (+$852M)
3% more funds holding
Funds holding: 455 → 470 (+15)
7% less call options, than puts
Call options by funds: $122M | Put options by funds: $132M
9.32% less ownership
Funds ownership: 79.4% → 70.08% (-9.3%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
D.E. Shaw & Co
New York
|
+$52.8M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$46.5M |
| 3 |
Barclays
London,
United Kingdom
|
+$29.3M |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
+$29.2M |
| 5 |
Renaissance Technologies
New York
|
+$28.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GCM
Ghisallo Capital Management
Boston,
Massachusetts
|
-$57.7M |
| 2 |
YCM
Yaupon Capital Management
New York
|
-$25.7M |
| 3 |
Primecap Management
Pasadena,
California
|
-$23.7M |
| 4 |
Goldman Sachs
New York
|
-$22.9M |
| 5 |
HF
HRT Financial
New York
|
-$22.5M |
RIG Hedge Fund Activity: Q4 2025 in Review
470 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in Transocean (RIG) for Q4 2025, worth a combined $3.19B — up 36% from $2.34B a quarter earlier.
Buyers outnumbered sellers: 96 funds opened new RIG positions and 70 closed out — a net gain of 26 holders — while 165 added to existing stakes and 106 trimmed.
The largest buyer was D.E. Shaw & Co, adding an estimated $52.8M. The largest seller was Ghisallo Capital Management, exiting entirely with an estimated $57.7M sold.
- 470 institutional investors held Transocean (RIG) as of Q4 2025, up from 455 in Q3 2025.
- Funds reported $3.19B of Transocean stock for Q4 2025, up 36% quarter-over-quarter.
- 96 funds opened new Transocean positions in Q4 2025 and 70 closed out, a net change of +26 holders.
- The largest Transocean buyer in Q4 2025 was D.E. Shaw & Co, an estimated $52.8M added.
- The largest Transocean seller in Q4 2025 was Ghisallo Capital Management, an estimated $57.7M sold.
Based on aggregated 13F filings for Q4 2025.