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	$12.2M	Buy	2,015,000 +1,264,400	+168%	+$7.12M	0.03%	359
2025 Q4	$3.1M	Buy	750,600 +610,600	+436%	+$2.37M	0.01%	821
2025 Q3	$437K	Sell	140,000 -94,300	-40%	-$284K	﹤0.01%	1268
2025 Q2	$607K	Buy	+234,300	New	+$604K	﹤0.01%	1156
2025 Q1	–	Sell	-202,900	Closed	-$761K	–	2040
2024 Q4	$761K	Buy	202,900 +10,700	+6%	+$44.4K	﹤0.01%	1411
2024 Q3	$817K	Buy	192,200 +44,400	+30%	+$219K	﹤0.01%	1404
2024 Q2	$791K	Sell	147,800 -2,200	-1%	-$12.7K	﹤0.01%	1322
2024 Q1	$942K	Sell	150,000 -700	-0.5%	-$3.82K	﹤0.01%	1256
2023 Q4	$957K	Hold	150,700	–	–	﹤0.01%	1422
2023 Q3	$1.24M	Buy	150,700 +149,200	+9,947%	+$1.22M	﹤0.01%	1277
2023 Q2	$10.5K	Sell	1,500 -3,800	-72%	-$23.5K	﹤0.01%	2180
2023 Q1	$33.7K	Sell	5,300 -246,700	-98%	-$1.58M	﹤0.01%	2264
2022 Q4	$1.15M	Buy	252,000 +1,700	+0.7%	+$6.56K	﹤0.01%	1607
2022 Q3	$619K	Hold	250,300	–	–	﹤0.01%	1916
2022 Q2	$834K	Hold	250,300	–	–	﹤0.01%	1702
2022 Q1	$1.14M	Buy	250,300 +150,000	+150%	+$571K	﹤0.01%	1602
2021 Q4	$277K	Buy	100,300 +300	+0.3%	+$1.02K	﹤0.01%	1583
2021 Q3	$379K	Hold	100,000	–	–	﹤0.01%	1567
2021 Q2	$452K	Buy	+100,000	New	+$379K	﹤0.01%	1174
2021 Q1	–	Sell	-477,400	Closed	-$1.1M	–	2044
2020 Q4	$1.1M	Hold	477,400	–	–	﹤0.01%	1409
2020 Q3	$385K	Sell	477,400 -16,200	-3%	-$26.5K	﹤0.01%	2335
2020 Q2	$904K	Sell	493,600 -27,400	-5%	-$42.6K	﹤0.01%	1774
2020 Q1	$604K	Sell	521,000 -291,000	-36%	-$1.14M	﹤0.01%	1654
2019 Q4	$5.59M	Buy	812,000 +423,500	+109%	+$2.18M	0.01%	862
2019 Q3	$1.74M	Sell	388,500 -231,100	-37%	-$1.23M	﹤0.01%	1191
2019 Q2	$3.97M	Buy	619,600 +350,200	+130%	+$2.6M	﹤0.01%	811
2019 Q1	$2.35M	Sell	269,400 -19,100	-7%	-$164K	﹤0.01%	946
2018 Q4	$2M	Buy	288,500 +27,700	+11%	+$282K	﹤0.01%	1066
2018 Q3	$3.64M	Buy	+260,800	New	+$3.24M	﹤0.01%	822
2018 Q1	–	Sell	-42,000	Closed	-$448K	–	3857
2017 Q4	$448K	Hold	42,000	–	–	﹤0.01%	1626
2017 Q3	$452K	Buy	42,000 +40,000	+2,000%	+$344K	﹤0.01%	1281
2017 Q2	$16K	Sell	2,000 -41,500	-95%	-$424K	﹤0.01%	1948
2017 Q1	$541K	Sell	43,500 -289,300	-87%	-$3.97M	﹤0.01%	1451
2016 Q4	$4.91M	Buy	332,800 +180,600	+119%	+$2.14M	0.01%	645
2016 Q3	$1.62M	Sell	152,200 -273,900	-64%	-$2.9M	﹤0.01%	1070
2016 Q2	$5.07M	Sell	426,100 -96,400	-18%	-$986K	0.01%	615
2016 Q1	$4.78M	Sell	522,500 -60,200	-10%	-$599K	0.01%	590
2015 Q4	$7.21M	Sell	582,700 -486,700	-46%	-$7.02M	0.01%	548
2015 Q3	$13.8M	Buy	1,069,400 +794,500	+289%	+$11M	0.03%	335
2015 Q2	$4.43M	Buy	274,900 +59,900	+28%	+$1.08M	0.01%	757
2015 Q1	$3.15M	Sell	215,000 -67,700	-24%	-$1.1M	0.01%	891
2014 Q4	$5.18M	Buy	282,700 +225,600	+395%	+$5.64M	0.02%	681
2014 Q3	$1.83M	Buy	57,100 +28,500	+100%	+$1.11M	0.01%	1153
2014 Q2	$1.29M	Buy	28,600 +21,900	+327%	+$932K	0.01%	943
2014 Q1	$276K	Sell	6,700 -71,700	-91%	-$3.12M	﹤0.01%	1293
2013 Q4	$3.87M	Buy	78,400 +74,500	+1,910%	+$3.65M	0.02%	494
2013 Q3	$173K	Sell	3,900 -4,200	-52%	-$199K	﹤0.01%	1179
2013 Q2	$390K	Buy	+8,100	New	+$413K	﹤0.01%	876

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.