D. E. Shaw & Co., Inc.

Position in RIG — Transocean Ltd.

CIK 1009207 New York, NY

Back to RIG Full portfolio

Position in RIG

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$260,311,030

+$192,475,653 QoQ

Shares Held

39,262,599

+139.0% QoQ

Ownership

3.52%

of shares outstanding

% of Portfolio

0.23%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 99.93250574166015.ToString("F0")% Shared 0.ToString("F0")% None 0.06749425833985162.ToString("F0")%

Common Shares in RIG Over Time

Shares Held

Position Value (USD)

Derivatives in RIG

reported options exposure · as of Mar 31, 2026

CallValue

$5,134,272

CallShares

774,400

PutValue

$3,315,000

PutShares

500,000

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Oil & Gas Drilling

Energy · as of Mar 31, 2026

D. E. Shaw & Co., Inc. holds $356,720,898 across 8 Oil & Gas Drilling names. RIG ranks #1 (73.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RIG	Transocean Ltd. This page	39,262,599	$260,311,030
2	BORR	Borr Drilling Ltd	6,241,502	$36,013,465
3	VAL	Valaris Ltd	336,221	$32,963,106
4	PDS	PRECISION DRILLING Corp	126,933	$12,490,207
5	NBR	Nabors Industries Ltd	112,146	$9,651,284
6	PTEN	Patterson Uti Energy Inc	260,503	$2,821,247
7	SDRL	SEADRILL Ltd	49,139	$2,235,824
8	HP	Helmerich & Payne, Inc.	6,515	$234,735

All Filings in RIG

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$5,134,272	774,400	-98.0%	Call	Defined	2026-05-15
2026-03-31	$260,311,030	39,262,599	+7752.5%	Shares	Defined	2026-05-15
2026-03-31	$3,315,000	500,000	-97.0%	Put	Defined	2026-05-15
2025-12-31	$67,835,377	16,425,031	+2333.3%	Shares	Defined	2026-02-17
2025-12-31	$2,787,750	675,000	-15.6%	Call	Defined	2026-02-17
2025-12-31	$3,304,000	800,000	+18.5%	Put	Defined	2026-02-17
2025-09-30	$2,106,000	675,000	-15.6%	Call	Defined	2025-11-14
2025-09-30	$2,496,000	800,000	-71.6%	Put	Defined	2025-11-14
2025-09-30	$8,793,177	2,818,326	+252.3%	Shares	Defined	2025-11-14
2025-06-30	$2,072,000	800,000	+18.5%	Put	Defined	2025-08-14
2025-06-30	$1,748,250	675,000	-76.6%	Call	Defined	2025-08-14
2025-06-30	$7,468,246	2,883,493	+1310.5%	Shares	Defined	2025-08-14
2025-03-31	$648,049	204,432	-26.9%	Shares	Defined	2025-05-15
2024-12-31	$1,048,170	279,512	+256.5%	Shares	Defined	2025-02-14
2024-12-31	$294,000	78,400	-43.7%	Put	Defined	2025-02-14
2024-12-31	$522,000	139,200	-50.6%	Call	Defined	2025-02-14
2024-09-30	$1,198,019	281,887	+259.5%	Shares	Defined	2024-11-14
2024-09-30	$333,200	78,400	+72.7%	Put	Defined	2024-11-14
2024-09-30	$192,950	45,400	-81.0%	Call	Defined	2024-11-14
2024-06-30	$1,279,185	239,100	-94.2%	Call	Defined	2024-08-14
2024-06-30	$22,134,442	4,137,279	-31.9%	Shares	Defined	2024-08-14
2024-03-31	$38,177,262	6,079,182	+16025.2%	Shares	Defined	2024-05-15
2024-03-31	$236,756	37,700	-91.3%	Put	Defined	2024-05-15
2024-03-31	$2,731,800	435,000	+473.9%	Call	Defined	2024-05-15
2023-12-31	$481,330	75,800	-99.4%	Put	Defined	2024-02-14
2023-12-31	$84,919,990	13,373,227	+1040.8%	Shares	Defined	2024-02-14
2023-12-31	$7,444,105	1,172,300	+170.1%	Call	Defined	2024-02-14
2023-09-30	$3,563,140	434,000	-98.1%	Put	Defined	2023-11-14
2023-09-30	$183,054,864	22,296,573	+1239.6%	Shares	Defined	2023-11-14
2023-09-30	$13,664,724	1,664,400	-3.7%	Call	Defined	2023-11-14
2023-06-30	$12,110,476	1,727,600	+74.1%	Call	Defined	2023-08-14
2023-06-30	$6,955,322	992,200	-95.7%	Put	Defined	2023-08-14
2023-06-30	$161,106,203	22,982,340	+1220.4%	Shares	Defined	2023-08-14
2023-03-31	$11,070,216	1,740,600	-93.2%	Call	Defined	2023-05-15
2023-03-31	$163,671,616	25,734,531	+3018.2%	Shares	Defined	2023-05-15
2023-03-31	$5,248,908	825,300	+360.3%	Put	Defined	2023-05-15
2022-12-31	$817,608	179,300	-99.5%	Call	Defined	2023-02-14
2022-12-31	$159,156,644	34,902,773	+47.1%	Shares	Defined	2023-02-14
2022-09-30	$58,598,368	23,724,036	-3.3%	Shares	Defined	2022-11-14
2022-06-30	$81,722,967	24,541,432	-15.2%	Shares	Defined	2022-08-15
2022-03-31	$132,187,789	28,925,118	+28825.1%	Shares	Defined	2022-05-16
2021-12-31	$276,000	100,000	-99.2%	Put	Defined	2022-02-14
2021-12-31	$36,040,700	13,058,225	+12958.2%	Shares	Defined	2022-02-14
2021-09-30	$379,000	100,000	-99.4%	Put	Defined	2021-11-15
2021-09-30	$67,066,964	17,695,769	+4496.3%	Shares	Defined	2021-11-15
2021-06-30	$1,740,200	385,000	-98.5%	Put	Defined	2021-08-16
2021-06-30	$113,463,575	25,102,561	+4464.1%	Shares	Defined	2021-08-16
2021-03-31	$1,952,500	550,000	-95.0%	Put	Defined	2021-05-17
2021-03-31	$39,190,767	11,039,653	+10939.7%	Shares	Defined	2021-05-17
2020-12-31	$231,000	100,000	—	Put	Defined	2021-02-16
No filing history on record for this holder in this stock.