Ken Griffin Transocean Ltd. Transaction History

Citadel Advisors LLC

$550 Billion
Q2 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Transocean Ltd. stock. As of the latest transaction made, Citadel Advisors LLC holds 11,194,699 shares of RIG stock, worth $38.1 Million. This represents 0.01% of its overall portfolio holdings.

Number of Shares

11,194,699

Previous 3,454,800 224.03%

Holding current value

$38.1 Million

Previous $11 Million 164.76%

% of portfolio

0.01%

Previous 0.0%

32 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$2.13 - $3.32 $16.9 Million - $26.3 Million	7,923,043 Added 242.17%	11,194,699 $29 Million
Q1 2025 May 15, 2025	SELL	$2.67 - $4.28 $8.83 Million - $14.2 Million	-3,308,837 Reduced 50.28%	3,271,656 $10.4 Million
Q4 2024 Feb 14, 2025	BUY	$3.47 - $4.67 $19.9 Million - $26.8 Million	5,737,851 Added 680.94%	6,580,493 $24.7 Million
Q3 2024 Nov 14, 2024	BUY	$3.92 - $5.82 $3.1 Million - $4.61 Million	791,942 Added 1562.02%	842,642 $3.58 Million
Q2 2024 Aug 14, 2024	SELL	$5.03 - $6.68 $20.9 Million - $27.7 Million	-4,150,333 Reduced 98.79%	50,700 $271,000
Q1 2024 May 15, 2024	SELL	$4.67 - $6.28 $8.76 Million - $11.8 Million	-1,876,160 Reduced 30.87%	4,201,033 $26.4 Million
Q4 2023 Feb 14, 2024	BUY	$5.65 - $7.88 $31.6 Million - $44 Million	5,585,281 Added 1135.42%	6,077,193 $38.6 Million
Q3 2023 Nov 14, 2023	SELL	$6.97 - $8.8 $14.3 Million - $18 Million	-2,048,935 Reduced 80.64%	491,912 $4.04 Million
Q2 2023 Aug 14, 2023	SELL	$5.65 - $7.04 $19 Million - $23.7 Million	-3,371,418 Reduced 57.02%	2,540,847 $17.8 Million
Q1 2023 May 15, 2023	BUY	$4.27 - $7.61 $9.34 Million - $16.6 Million	2,187,427 Added 58.73%	5,912,265 $37.6 Million
Q4 2022 Feb 14, 2023	BUY	$2.67 - $4.73 $2.17 Million - $3.85 Million	814,294 Added 27.98%	3,724,838 $17 Million
Q3 2022 Nov 14, 2022	BUY	$2.36 - $3.91 $274,064 - $454,064	116,129 Added 4.16%	2,910,544 $7.19 Million
Q2 2022 Aug 15, 2022	SELL	$3.28 - $4.81 $3.33 Million - $4.89 Million	-1,016,668 Reduced 26.68%	2,794,415 $9.31 Million
Q1 2022 May 16, 2022	SELL	$3.12 - $5.03 $1.52 Million - $2.45 Million	-486,584 Reduced 11.32%	3,811,083 $17.4 Million
Q4 2021 Feb 14, 2022	BUY	$2.76 - $4.1 $1.75 Million - $2.6 Million	635,205 Added 17.34%	4,297,667 $11.9 Million
Q3 2021 Nov 15, 2021	BUY	$2.88 - $5.08 $4.43 Million - $7.82 Million	1,538,742 Added 72.46%	3,662,462 $13.9 Million
Q2 2021 Aug 16, 2021	SELL	$3.13 - $4.65 $1.8 Million - $2.68 Million	-576,456 Reduced 21.35%	2,123,720 $9.6 Million
Q1 2021 May 17, 2021	SELL	$2.32 - $4.68 $742,346 - $1.5 Million	-319,977 Reduced 10.59%	2,700,176 $9.59 Million
Q4 2020 Feb 16, 2021	BUY	$0.67 - $2.57 $1.17 Million - $4.49 Million	1,746,196 Added 137.07%	3,020,153 $6.98 Million
Q3 2020 Nov 16, 2020	BUY	$0.8 - $2.48 $753,284 - $2.34 Million	941,606 Added 283.32%	1,273,957 $1.03 Million
Q2 2020 Aug 14, 2020	SELL	$0.84 - $3.75 $1.83 Million - $8.16 Million	-2,175,828 Reduced 86.75%	332,351 $608,000
Q1 2020 May 15, 2020	SELL	$1.04 - $7.17 $6.73 Million - $46.4 Million	-6,473,724 Reduced 72.08%	2,508,179 $2.91 Million
Q4 2019 Feb 14, 2020	BUY	$4.09 - $6.88 $4.92 Million - $8.28 Million	1,203,345 Added 15.47%	8,981,903 $61.8 Million
Q3 2019 Nov 14, 2019	BUY	$3.86 - $6.51 $6.41 Million - $10.8 Million	1,660,090 Added 27.13%	7,778,558 $34.8 Million
Q2 2019 Aug 14, 2019	SELL	$5.42 - $9.65 $4.79 Million - $8.52 Million	-883,065 Reduced 12.61%	6,118,468 $39.2 Million
Q1 2019 May 15, 2019	BUY	$7.14 - $9.49 $24.1 Million - $32.1 Million	3,379,083 Added 93.28%	7,001,533 $0
Q4 2018 Feb 14, 2019	BUY	$6.34 - $14.18 $4.84 Million - $10.8 Million	762,797 Added 26.67%	3,622,450 $25.1 Million
Q3 2018 Nov 13, 2018	BUY	$10.65 - $14.08 $26.2 Million - $34.7 Million	2,464,522 Added 623.72%	2,859,653 $0
Q2 2018 Aug 10, 2018	SELL	$9.59 - $13.75 $69 Million - $98.9 Million	-7,192,656 Reduced 94.79%	395,131 $0
Q1 2018 May 11, 2018	BUY	$9.01 - $12.2 $41 Million - $55.6 Million	4,554,223 Added 150.13%	7,587,787 $75.1 Million
Q4 2017 Feb 09, 2018	BUY	$9.44 - $11.58 $9.88 Million - $12.1 Million	1,046,302 Added 52.65%	3,033,564 $32.4 Million
Q3 2017 Nov 09, 2017	BUY	$7.28 - $10.76 $14.5 Million - $21.4 Million	1,987,262	1,987,262 $21.4 Million

Others Institutions Holding RIG

# of Institutions

502

Shares Held

601M

Call Options Held

11.2M

Put Options Held

18.3M

View Full List

About Transocean Ltd.

Ticker RIG
Exchange NYSE
Sector Energy
Industry Oil & Gas Drilling
Shares Outstandng 748,710,976
Market Cap $2.55B
Description
Transocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells worldwide. It contracts its mobile offshore drilling rigs, related equipment, and work crews to drill oil and gas wells. As of February 14, 2022, the company had partial ownership interests in and operated a fleet of 37 mobile offs...

More about RIG

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