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

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.