Transocean RIG Institutional Ownership

NYSE RIG

$5.20 -0.09 (-1.61%)

As of: Sep 29, 2026 · 3:59 PM EDT

Institutions by Trading Activity

535 Institutions

Increased 273 51.0%

Unchanged 111 20.7%

Reduced 151 28.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

89.96%

▲+8.18 pp QoQ

Shares Held by Institutions

1.01Bn

of 1.12Bn outstanding

▲+15.86% QoQ

Shares Outstanding

1.12Bn

112.44Mn held outside 13F filers

Institutional Investors

535

filed 13F for Jun 2026

▼-2 vs prior quarter

Net Shares Added (QoQ)

+137.95Mn

accumulated since last quarter

Value of Holdings

$5.32Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Transocean Ltd. (NYSE:RIG) has 535 institutional investors that have filed 13F reports for the period ending June 2026.

Their combined ownership stood at 90.0% of outstanding shares in June 2026, up from 81.8% in March 2026.
They increased total shares held in RIG by 15.86% quarter over quarter, and investors in Transocean increased 27.08% from a year ago.
Of these 535 holders, 273 added to their stakes in Transocean, 151 trimmed positions, and 111 made no changes.
In total, institutional investors held 1.01Bn shares in Transocean as of June 2026, up by 137.95Mn shares quarter on quarter, and up 436.68Mn shares year over year.
BlackRock, Inc. holds the largest position in RIG at 91.93Mn shares as of June 30, 2026, or 8.21% of shares outstanding.
Leading buyers of Transocean shares for the quarter ending June 2026 were UBS Group AG (20.32Mn), RENAISSANCE TECHNOLOGIES LLC (11.39Mn), Castle Hook Partners LP (10.47Mn), Sixth Street Partners Management Company, L.P. (10.06Mn), MACKENZIE FINANCIAL CORP (9.74Mn).
Leading sellers of Transocean shares for the quarter ending June 2026 were MARSHALL WACE, LLP (14.99Mn), Pilgrim Global Advisors LLC (6.54Mn), MILLENNIUM MANAGEMENT LLC (4.21Mn), CITADEL ADVISORS LLC (2.68Mn), Jump Financial, LLC (2.51Mn).
Business Quant data shows the 10 biggest positions in Transocean as of June 2026 are held by BlackRock, Inc. (91.93Mn), DIMENSIONAL FUND ADVISORS LP (51.01Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (49.3Mn), TWO SIGMA INVESTMENTS, LP (46.21Mn), VANGUARD CAPITAL MANAGEMENT LLC (45.2Mn), D. E. Shaw & Co., Inc. (41.79Mn), Slate Path Capital LP (37.27Mn), Capital World Investors (30.97Mn), GEODE CAPITAL MANAGEMENT, LLC (28.56Mn), State Street Corp (27.15Mn).

Form 13F Holdings

535 Institutional Holders

Report period 30 Jun, 2026

Total shares held 1.01Bn

Of outstanding 89.96%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	91,927,924	8.21%	▲3,556,676	+4.02%	$449.53Mn
2	DIMENSIONAL FUND ADVISORS LP	0000354204	51,009,878	4.55%	▲2,190,302	+4.49%	$249.45Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	49,296,587	4.40%	▲2,433,857	+5.19%	$241.06Mn
4	TWO SIGMA INVESTMENTS, LP	0001179392	46,205,304	4.13%	▼258,432	-0.56%	$225.94Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	45,200,594	4.04%	▲928,171	+2.10%	$221.03Mn
6	D. E. Shaw & Co., Inc.	0001009207	41,793,600	3.73%	▲2,531,001	+6.45%	$204.37Mn
7	Slate Path Capital LP	0001559706	37,266,300	3.33%	▲7,204,200	+23.96%	$182.23Mn
8	Capital World Investors	0001422849	30,973,850	2.77%	▲1,398,371	+4.73%	$151.46Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	28,561,101	2.55%	▲5,089,504	+21.68%	$139.69Mn
10	State Street Corp	0000093751	27,148,850	2.42%	▲2,166,646	+8.67%	$132.76Mn
11	Morgan Stanley	0000895421	26,692,648	2.38%	▲4,999,584	+23.05%	$130.53Mn
12	UBS Group AG	0001610520	26,372,754	2.35%	▲20,319,471	+335.68%	$128.96Mn
13	AMERICAN CENTURY COMPANIES INC	0000748054	22,939,135	2.05%	▲179,954	+0.79%	$112.17Mn
14	Dalal Street, LLC	0001549575	20,398,659	1.82%	▲5,987	+0.03%	$99.75Mn
15	VAN ECK ASSOCIATES CORP	0000869178	19,794,432	1.77%	▼1,342,697	-6.35%	$96.79Mn
16	Pilgrim Global Advisors LLC	0001963918	17,377,307	1.55%	▼6,535,813	-27.33%	$84.98Mn
17	Goldman Sachs Group Inc	0000886982	16,798,179	1.50%	▲3,896,797	+30.20%	$82.14Mn
18	Elliott Investment Management L.P.	0001791786	15,626,834	1.40%	0	0.00%	$76.42Mn
19	VOLORIDGE INVESTMENT MANAGEMENT, LLC	0001556921	14,795,082	1.32%	▼1,747,635	-10.56%	$72.35Mn
20	RENAISSANCE TECHNOLOGIES LLC	0001037389	14,527,153	1.30%	▲11,392,425	+363.43%	$71.04Mn

Showing 1 to 20 of 535 holders