Calamos Advisors’s Transocean RIG Stock Holding History

Calamos Advisors’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 Q2	–	Sell	-12,450	Closed	-$82.5K	–	1214
2026 Q1	$82.5K	Buy	+12,450	New	+$70.1K	﹤0.01%	1137
2020 Q3	–	Sell	-117,879	Closed	-$216K	–	739
2020 Q2	$216K	Hold	117,879	–	–	﹤0.01%	696
2020 Q1	$137K	Sell	117,879 -5,504	-4%	-$21.5K	﹤0.01%	690
2019 Q4	$849K	Buy	+123,383	New	+$636K	﹤0.01%	678
2019 Q3	–	Sell	-123,383	Closed	-$791K	–	792
2019 Q2	$791K	Hold	123,383	–	–	﹤0.01%	668
2019 Q1	$1.07M	Hold	123,383	–	–	0.01%	548
2018 Q4	$856K	Buy	+123,383	New	+$1.26M	0.01%	557
2013 Q3	–	Sell	-66,809	Closed	-$3.2M	–	625
2013 Q2	$3.2M	Buy	+66,809	New	+$3.41M	0.02%	341

Other funds holding RIG

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

SPC

Slate Path Capital New York $7.22B AUM 110.75% 1-Year Est. Return

Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Calamos Advisors's RIG Position: Q2 2026 in Review

Calamos Advisors sold out of Transocean (RIG) in Q2 2026, closing a stake of 12,450 shares — an estimated $82.5K sold.

Calamos Advisors first reported a position in RIG in Q2 2013 and held it in 8 quarters. The position peaked at $3.2M in Q2 2013. 537 funds tracked by Wall St. Rank hold RIG as of Q2 2026.

Calamos Advisors reported no remaining Transocean position as of Q2 2026 after selling out during the quarter.
Calamos Advisors sold 12,450 Transocean shares in Q2 2026, an estimated $82.5K.
Calamos Advisors first reported a position in Transocean in Q2 2013 and held it in 8 quarters.
Calamos Advisors's Transocean position peaked at $3.2M in Q2 2013.
537 funds tracked by Wall St. Rank held Transocean as of Q2 2026.

Based on Calamos Advisors's 13F filing for Q2 2026, filed 31 Jul 2026.