Transocean Ltd. (RIG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

10,714,950Shares held by institutions

$71,307,992Value of institutional holdings

65.66%Institutional ownership %

-5.41%Shares Changed QoQ

418No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Transocean Ltd. (NYSE:RIG) showed up in the 13F filings of 454 institutional investors as of December 2025.

These investors held 79.9% of outstanding shares in December 2025, up from 79.2% in September 2025.
They increased total shares held in RIG by 11.29% quarter over quarter, and investors in Transocean increased 3.42% from a year ago.
Activity in RIG broke down as 249 buyers, 107 sellers, and 98 unchanged among 454 total holders.
Combined, these investors held 768.0Mn shares in RIG for December 2025, up by 77.9Mn shares quarter on quarter, and up 120.47Mn shares year over year.
VANGUARD GROUP INC holds the largest position in RIG at 97.01Mn shares as of December 31, 2025, or 10.09% of shares outstanding.
The biggest buyers of Transocean for the quarter ending December 2025 included D. E. Shaw & Co., Inc. (13.61Mn), Bank Of America Corp /De/ (8.43Mn), Barclays Plc (7.54Mn), DIMENSIONAL FUND ADVISORS LP (7.52Mn), RENAISSANCE TECHNOLOGIES LLC (7.29Mn).
The biggest sellers of Transocean for the quarter ending December 2025 included PRIMECAP MANAGEMENT CO/CA/ (6.1Mn), Goldman Sachs Group Inc (5.9Mn), Zimmer Partners, LP (5.24Mn), Point72 Asset Management, L.P. (4.88Mn), TUDOR INVESTMENT CORP ET AL (4.07Mn).
Transocean's 10 largest shareholders as of December 2025 include VANGUARD GROUP INC (97.01Mn), BlackRock, Inc. (88.14Mn), DIMENSIONAL FUND ADVISORS LP (43.47Mn), Pilgrim Global Advisors LLC (31.76Mn), AMERICAN CENTURY COMPANIES INC (27.49Mn), Dalal Street, LLC (27.04Mn), Morgan Stanley (24.79Mn), State Street Corp (24.73Mn), TWO SIGMA INVESTMENTS, LP (24.24Mn), GEODE CAPITAL MANAGEMENT, LLC (22.8Mn) per Business Quant data.

454 Institutional Holders

10,714,950 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	2,930,623	3.44%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	2,487,015	2.63%	$0.00
Pilgrim Global Advisors LLC	31 Dec, 2025	0	0.00%	$0.00
Barclays Plc	31 Dec, 2025	5,911,117	120.84%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	7,516,589	20.91%	$0.00
UBS Group AG	31 Dec, 2025	-221,891	-3.90%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	5,791,496	1,308.62%	$0.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	1,032,133	3.90%	$0.00
Squarepoint Ops LLC	31 Dec, 2025	4,584,788	552.69%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	28,540	139.53%	$0.00
Dalal Street, LLC	31 Dec, 2025	2,597,801	10.63%	$0.00
ION Fund Management Ltd	31 Dec, 2025	4,396,123	0.00%	$0.00
PEAK6 LLC	31 Dec, 2025	-15,608	-92.16%	$0.00
Morgan Stanley	31 Dec, 2025	2,135,964	9.43%	$0.00
Nuveen, LLC	31 Dec, 2025	-109,696	-3.83%	$0.00
State Street Corp	31 Dec, 2025	2,856,372	13.06%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	2,700,622	0.00%	$0.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	5,599,731	30.05%	$0.00
Burkehill Global Management, LP	31 Dec, 2025	-3,000,000	-54.55%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,515,893	7.12%	$0.00

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