Castleark Management’s Transocean RIG Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $8.87M | Buy |
1,813,160
+976,040
| +117% | +$6.1M | 0.24% | 105 |
|
|
2026
Q1 | $5.55M | Sell |
837,120
-304,570
| -27% | -$1.72M | 0.18% | 134 |
|
|
2025
Q4 | $4.72M | Buy |
+1,141,690
| New | +$4.43M | 0.14% | 161 |
|
|
2024
Q4 | – | Sell |
-679,750
| Closed | -$2.89M | – | 324 |
|
|
2024
Q3 | $2.89M | Buy |
679,750
+470,950
| +226% | +$2.32M | 0.12% | 155 |
|
|
2024
Q2 | $1.12M | Sell |
208,800
-208,800
| -50% | -$1.21M | 0.05% | 198 |
|
|
2024
Q1 | $2.62M | Buy |
417,600
+372,380
| +823% | +$2.03M | 0.11% | 164 |
|
|
2023
Q4 | $287K | Sell |
45,220
-212,530
| -82% | -$1.42M | 0.01% | 244 |
|
|
2023
Q3 | $2.12M | Buy |
+257,750
| New | +$2.11M | 0.11% | 164 |
|
|
2019
Q2 | – | Sell |
-420,400
| Closed | -$3.66M | – | 389 |
|
|
2019
Q1 | $3.66M | Buy |
420,400
+205,580
| +96% | +$1.76M | 0.14% | 178 |
|
|
2018
Q4 | $1.49M | Sell |
214,820
-272,500
| -56% | -$2.78M | 0.06% | 247 |
|
|
2018
Q3 | $6.8M | Hold |
487,320
| – | – | 0.2% | 165 |
|
|
2018
Q2 | $6.55M | Buy |
487,320
+475,720
| +4,101% | +$5.85M | 0.2% | 162 |
|
|
2018
Q1 | $115K | Hold |
11,600
| – | – | ﹤0.01% | 392 |
|
|
2017
Q4 | $124K | Hold |
11,600
| – | – | ﹤0.01% | 390 |
|
|
2017
Q3 | $125K | Hold |
11,600
| – | – | ﹤0.01% | 368 |
|
|
2017
Q2 | $95K | Hold |
11,600
| – | – | ﹤0.01% | 377 |
|
|
2017
Q1 | $144K | Hold |
11,600
| – | – | ﹤0.01% | 346 |
|
|
2016
Q4 | $171K | Hold |
11,600
| – | – | 0.01% | 345 |
|
|
2016
Q3 | $124K | Hold |
11,600
| – | – | ﹤0.01% | 346 |
|
|
2016
Q2 | $138K | Hold |
11,600
| – | – | ﹤0.01% | 341 |
|
|
2016
Q1 | $106K | Hold |
11,600
| – | – | ﹤0.01% | 350 |
|
|
2015
Q4 | $144K | Hold |
11,600
| – | – | ﹤0.01% | 366 |
|
|
2015
Q3 | $150K | Hold |
11,600
| – | – | ﹤0.01% | 344 |
|
|
2015
Q2 | $187K | Sell |
11,600
-11,600
| -50% | -$209K | 0.01% | 351 |
|
|
2015
Q1 | $340K | Buy |
23,200
+11,600
| +100% | +$188K | 0.01% | 325 |
|
|
2014
Q4 | $213K | Buy |
+11,600
| New | +$290K | 0.01% | 318 |
|
|
2013
Q4 | – | Sell |
-11,600
| Closed | -$371K | – | 372 |
|
|
2013
Q3 | $371K | Sell |
11,600
-16,100
| -58% | -$761K | 0.01% | 305 |
|
|
2013
Q2 | $1.33M | Buy |
+27,700
| New | +$1.41M | 0.04% | 220 |
|
Other funds holding RIG
SPC
Castleark Management's RIG Position: Q2 2026 in Review
Castleark Management increased its Transocean (RIG) stake by 117% in Q2 2026, buying an estimated $6.1M and bringing the position to 1,813,160 shares worth $8.87M. The position accounts for 0.24% of the portfolio, ranked #105.
Castleark Management first reported a position in RIG in Q2 2013 and has held it in 28 quarters since. 536 funds tracked by Wall St. Rank hold RIG as of Q2 2026.
- Castleark Management held 1,813,160 shares of Transocean worth $8.87M as of Q2 2026.
- Castleark Management bought 976,040 Transocean shares in Q2 2026, an estimated $6.1M.
- Transocean made up 0.24% of Castleark Management's portfolio in Q2 2026, its #105 holding.
- Castleark Management first reported a position in Transocean in Q2 2013 and has held it in 28 quarters since.
- 536 funds tracked by Wall St. Rank held Transocean as of Q2 2026.
Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.