Transocean Ltd. (RIG) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

961,500,000Shares Outstanding

44,721,061Shares held by institutions

$274,587,315Value of institutional holdings

80.87%Institutional ownership %

12.97%Shares Changed QoQ

445No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Transocean Ltd. (NYSE:RIG) currently has 445 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

These investors collectively held 80.9% of the company's total shares outstanding in December 2025, up from 79.1% in September 2025.
Institutional share ownership changed by 12.97% QoQ, while the number of institutional owners saw a decrease of 0.22% YoY.
The latest 13F cycle for Transocean reveals that of 445 total investors, 243 funds grew their exposure, whereas 102 reduced theirs and 100 made no changes.
The aggregate institutional position in Transocean now stands at 777.60Mn shares as of December 2025, after investors increased their holdings (up by 89.30Mn shares quarter on quarter which is up 157.16Mn shares year over year).
VANGUARD GROUP INC continues to be the largest institutional holder of Transocean as of December 31, 2025, with a position of 97.01Mn shares, representing 10.09% of the company's outstanding stock.
Among the most significant buyers of Transocean during December 2025 were D. E. Shaw & Co., Inc. (13.61Mn), BANK OF AMERICA CORP /DE/ (11.97Mn), BARCLAYS PLC (7.54Mn), DIMENSIONAL FUND ADVISORS LP (7.52Mn), RENAISSANCE TECHNOLOGIES LLC (7.29Mn).
Leading sellers of Transocean stock in December 2025 included PRIMECAP MANAGEMENT CO/CA/ (6.10Mn), GOLDMAN SACHS GROUP INC (5.90Mn), Zimmer Partners, LP (5.24Mn), Point72 Asset Management, L.P. (4.88Mn), Burkehill Global Management, LP (3.00Mn).
The top 10 institutional holders of Transocean for the quarter ending December 2025 included 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 (22.80Mn).

445 Institutional Holders

44,721,061 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	97,006,263	2,487,015	2.63%	$400,635,866.00
BlackRock, Inc.	31 Dec, 2025	88,142,959	2,930,623	3.44%	$364,030,423.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	43,470,312	7,516,589	20.91%	$179,531,409.00
Pilgrim Global Advisors LLC	31 Dec, 2025	31,759,346	0	0.00%	$131,166,099.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	27,488,687	1,032,133	3.90%	$113,528,284.00
Dalal Street, LLC	31 Dec, 2025	27,040,133	2,597,801	10.63%	$111,675,749.00
MORGAN STANLEY	31 Dec, 2025	24,790,325	2,135,964	9.43%	$102,384,045.00
STATE STREET CORP	31 Dec, 2025	24,725,897	2,856,372	13.06%	$102,117,955.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	24,235,919	5,599,731	30.05%	$100,094,345.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	22,797,180	1,515,893	7.12%	$94,168,064.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	22,213,154	3,563,600	19.11%	$91,740,326.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	17,044,659	-5,904,571	-25.73%	$70,394,443.00
VAN ECK ASSOCIATES CORP	31 Dec, 2025	16,824,069	2,133,778	14.53%	$69,483.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	16,425,031	13,606,705	482.79%	$67,835,378.00
Capital World Investors	31 Dec, 2025	15,665,736	-3,000,000	-16.07%	$64,699,490.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	15,504,361	11,968,426	338.48%	$64,033,012.00
KEYBANK NATIONAL ASSOCIATION/OH	31 Dec, 2025	12,251,077	977,623	8.67%	$50,596,964.00
BARCLAYS PLC	31 Dec, 2025	10,802,664	7,535,041	230.60%	$44,615,003.00
GENDELL JEFFREY L	31 Dec, 2025	10,789,833	2,766,482	34.48%	$44,562,010.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	9,997,978	-343,896	-3.33%	$41,291,649.00

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