Parallax Volatility Advisers’s Transocean RIG Stock Holding History

Parallax Volatility Advisers’s Portfolio RIG Stock Details RIG Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$6.17M	Buy	1,019,400 +291,000	+40%	+$1.64M	0.02%	520
2025 Q4	$3.01M	Buy	728,400 +93,400	+15%	+$363K	0.01%	831
2025 Q3	$1.98M	Buy	635,000 +50,000	+9%	+$151K	﹤0.01%	925
2025 Q2	$1.52M	Buy	585,000 +200,000	+52%	+$516K	﹤0.01%	963
2025 Q1	$1.22M	Sell	385,000 -617,800	-62%	-$2.17M	﹤0.01%	1002
2024 Q4	$3.76M	Sell	1,002,800 -2,100	-0.2%	-$8.72K	0.01%	930
2024 Q3	$4.27M	Hold	1,004,900	–	–	0.01%	856
2024 Q2	$5.38M	Buy	1,004,900 +4,900	+0.5%	+$28.3K	0.01%	704
2024 Q1	$6.28M	Hold	1,000,000	–	–	0.01%	649
2023 Q4	$6.35M	Hold	1,000,000	–	–	0.01%	753
2023 Q3	$8.21M	Sell	1,000,000 -13,900	-1%	-$114K	0.02%	591
2023 Q2	$7.11M	Sell	1,013,900 -236,100	-19%	-$1.46M	0.02%	643
2023 Q1	$7.95M	Buy	1,250,000 +50,000	+4%	+$321K	0.02%	665
2022 Q4	$5.47M	Hold	1,200,000	–	–	0.01%	988
2022 Q3	$2.96M	Sell	1,200,000 -200	-0%	-$640	﹤0.01%	1233
2022 Q2	$4M	Hold	1,200,200	–	–	﹤0.01%	1054
2022 Q1	$5.49M	Buy	1,200,200 +200	+0%	+$761	﹤0.01%	957
2021 Q4	$3.31M	Hold	1,200,000	–	–	﹤0.01%	913
2021 Q3	$4.55M	Sell	1,200,000 -100	-0%	-$364	﹤0.01%	866
2021 Q2	$5.42M	Buy	1,200,100 +1,199,800	+399,933%	+$4.55M	0.01%	638
2021 Q1	$1K	Buy	+300	New	+$1.04K	﹤0.01%	1251
2020 Q3	–	Sell	-70,000	Closed	-$127K	–	3141
2020 Q2	$127K	Sell	70,000 -141,800	-67%	-$220K	﹤0.01%	2336
2020 Q1	$245K	Sell	211,800 -289,200	-58%	-$1.13M	﹤0.01%	1936
2019 Q4	$3.45M	Buy	501,000 +229,800	+85%	+$1.18M	﹤0.01%	1048
2019 Q3	$1.21M	Buy	271,200 +139,600	+106%	+$741K	﹤0.01%	1313
2019 Q2	$843K	Buy	131,600 +114,400	+665%	+$850K	﹤0.01%	1336
2019 Q1	$151K	Sell	17,200 -246,300	-93%	-$2.11M	﹤0.01%	2000
2018 Q4	$1.83M	Sell	263,500 -31,400	-11%	-$320K	﹤0.01%	1089
2018 Q3	$4.12M	Buy	294,900 +69,900	+31%	+$868K	0.01%	783
2018 Q2	$3.02M	Sell	225,000 -150,000	-40%	-$1.85M	﹤0.01%	783
2018 Q1	$3.71M	Sell	375,000 -65,300	-15%	-$672K	0.01%	600
2017 Q4	$4.7M	Buy	440,300 +190,300	+76%	+$1.98M	0.01%	626
2017 Q3	$2.69M	Sell	250,000 -85,000	-25%	-$732K	﹤0.01%	759
2017 Q2	$2.76M	Buy	335,000 +193,200	+136%	+$1.97M	0.01%	731
2017 Q1	$1.76M	Sell	141,800 -515,800	-78%	-$7.09M	﹤0.01%	916
2016 Q4	$9.69M	Buy	657,600 +184,700	+39%	+$2.19M	0.02%	440
2016 Q3	$5.04M	Sell	472,900 -176,000	-27%	-$1.86M	0.01%	672
2016 Q2	$7.71M	Sell	648,900 -321,000	-33%	-$3.28M	0.02%	490
2016 Q1	$8.87M	Buy	969,900 +244,100	+34%	+$2.43M	0.02%	396
2015 Q4	$8.99M	Sell	725,800 -2,051,400	-74%	-$29.6M	0.02%	495
2015 Q3	$35.9M	Buy	2,777,200 +2,009,300	+262%	+$27.9M	0.08%	164
2015 Q2	$12.4M	Buy	767,900 +55,800	+8%	+$1.01M	0.03%	424
2015 Q1	$10.4M	Buy	712,100 +57,700	+9%	+$935K	0.02%	455
2014 Q4	$12M	Buy	654,400 +519,000	+383%	+$13M	0.04%	413
2014 Q3	$4.33M	Buy	135,400 +121,600	+881%	+$4.76M	0.01%	777
2014 Q2	$623K	Sell	13,800 -2,300	-14%	-$97.8K	﹤0.01%	1279
2014 Q1	$666K	Sell	16,100 -82,900	-84%	-$3.6M	﹤0.01%	906
2013 Q4	$4.9M	Buy	99,000 +81,400	+463%	+$3.98M	0.02%	436
2013 Q3	$782K	Sell	17,600 -86,800	-83%	-$4.1M	﹤0.01%	724
2013 Q2	$5.01M	Buy	+104,400	New	+$5.32M	0.02%	408

Other funds holding RIG

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

SPC

Slate Path Capital New York $6.73B AUM 95.97% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

PGA

Pilgrim Global Advisors Reno, Nevada $772M AUM 51.79% 1-Year Est. Return

Parallax Volatility Advisers's RIG Position: Q4 2025 in Review

Parallax Volatility Advisers sold out of Transocean (RIG) in Q4 2025, closing a stake of 144,865 shares — an estimated $562K sold.

Parallax Volatility Advisers first reported a position in RIG in Q2 2013 and held it in 37 quarters. The position peaked at $3.4M in Q2 2013. 467 funds tracked by Wall St. Rank hold RIG as of Q4 2025.

Parallax Volatility Advisers reported no remaining Transocean position as of Q4 2025 after selling out during the quarter.
Parallax Volatility Advisers sold 144,865 Transocean shares in Q4 2025, an estimated $562K.
Parallax Volatility Advisers first reported a position in Transocean in Q2 2013 and held it in 37 quarters.
Parallax Volatility Advisers's Transocean position peaked at $3.4M in Q2 2013.
467 funds tracked by Wall St. Rank held Transocean as of Q4 2025.

Based on Parallax Volatility Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.