Transocean
RIG
425 hedge funds and large institutions have $1.56B invested in Transocean in 2025 Q2 according to their latest regulatory filings, with 66 funds opening new positions, 159 increasing their positions, 100 reducing their positions, and 49 closing their positions.
59% more repeat investments, than reductions
Existing positions increased: 159 | Existing positions reduced: 100
35% more first-time investments, than exits
New positions opened: 66 | Existing positions closed: 49
3% more funds holding
Funds holding: 411 → 425 (+14)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
0.58% less ownership
Funds ownership: 68.57% → 67.99% (-0.58%)
19% less capital invested
Capital invested by funds: $1.92B → $1.56B (-$365M)
28% less call options, than puts
Call options by funds: $37.2M | Put options by funds: $51.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$20.4M |
| 2 |
Morgan Stanley
New York
|
+$16.7M |
| 3 |
Two Sigma Advisers
New York
|
+$16.2M |
| 4 |
Two Sigma Investments
New York
|
+$12.6M |
| 5 |
Jane Street
New York
|
+$12.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Primecap Management
Pasadena,
California
|
-$105M |
| 2 |
EIM
Elliott Investment Management
West Palm Beach,
Florida
|
-$37.6M |
| 3 |
Ensign Peak Advisors
Salt Lake City,
Utah
|
-$8.45M |
| 4 |
GJL
Gendell Jeffrey L
|
-$8.08M |
| 5 |
KeyBank National Association
Cleveland,
Ohio
|
-$6.81M |
RIG Hedge Fund Activity: Q2 2025 in Review
425 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Transocean (RIG) for Q2 2025, worth a combined $1.56B — down 19% from $1.92B a quarter earlier.
Buyers outnumbered sellers: 66 funds opened new RIG positions and 49 closed out — a net gain of 17 holders — while 159 added to existing stakes and 100 trimmed.
The largest buyer was Citadel Advisors, adding an estimated $20.4M. The largest seller was Primecap Management, cutting an estimated $105M.
- 425 institutional investors held Transocean (RIG) as of Q2 2025, up from 411 in Q1 2025.
- Funds reported $1.56B of Transocean stock for Q2 2025, down 19% quarter-over-quarter.
- 66 funds opened new Transocean positions in Q2 2025 and 49 closed out, a net change of +17 holders.
- The largest Transocean buyer in Q2 2025 was Citadel Advisors, an estimated $20.4M added.
- The largest Transocean seller in Q2 2025 was Primecap Management, an estimated $105M sold.
Based on aggregated 13F filings for Q2 2025.