Transocean Ownership | Who Owns Transocean?

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Transocean Ownership Summary

Transocean is owned by 24.22% institutional investors, 12.96% insiders, and 62.82% retail investors. Vanguard group is the largest institutional shareholder, holding 10.65% of RIG shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.86% of its assets in Transocean shares.

RIG Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Transocean	24.22%	12.96%	62.82%
Sector	Energy Stocks	79.40%	16.36%	4.25%
Industry	Oil & Gas Drilling Stocks	58.80%	9.85%	31.35%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	97.01M	10.65%	$400.64M
Blackrock funding, inc. /de	88.37M	9.21%	$585.90M
Blackrock	64.85M	7.92%	$346.96M
Dimensional fund advisors lp	48.82M	5.09%	$323.68M
Two sigma investments, lp	46.46M	4.84%	$308.05M
D. e. shaw	39.26M	4.09%	$260.31M
Slate path capital lp	30.06M	3.13%	$199.31M
Capital world investors	29.58M	3.08%	$196.09M
State street	24.98M	2.60%	$165.63M
Pilgrim global advisors	23.91M	2.49%	$158.54M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Dalal street	20.39M	31.97%	$135.20M
Pilgrim global advisors	23.91M	20.53%	$158.54M
Solus alternative asset management lp	4.47M	7.97%	$29.64M
Lloyd harbor capital management	1.32M	3.59%	$8.78M
Packer	1.41M	3.48%	$9.31M
Slate path capital lp	30.06M	2.96%	$199.31M
Semanteon capital management, lp	30.16K	2.68%	$199.97K
Soviero asset management, lp	810.00K	2.68%	$5.37M
Ninepoint partners lp	6.00M	2.47%	$18.72M
Clough capital partners l p	3.61M	2.30%	$23.94M

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	64.85M	0.01%	40.08M
Slate path capital lp	30.06M	2.96%	30.06M
D. e. shaw	39.26M	0.16%	22.84M
Two sigma investments, lp	46.46M	0.25%	22.23M
Ghisallo capital management	18.50M	1.89%	18.50M

Top Sellers

Holder	Shares	% Assets	Change
Barclays	2.66M	0.00%	-8.15M
Pilgrim global advisors	23.91M	20.53%	-7.85M
Lombard odier asset management (usa)	585.00K	0.23%	-7.82M
Dalal street	20.39M	31.97%	-6.65M
Renaissance	3.13M	0.03%	-5.90M

New Positions

Holder	Shares	% Assets	Change	Value
Slate path capital lp	30.06M	2.96%	30.06M	$199.31M
Ghisallo capital management	18.50M	1.89%	18.50M	$57.72M
Voloridge investment management	16.54M	0.44%	16.54M	$109.68M
Elliott investment management	15.63M	0.52%	15.63M	$103.61M
Yaupon capital management lp	8.25M	0.98%	8.25M	$25.74M

Sold Out

Holder	Change
Sachetta	-2.00
Financial gravity asset management	-5.00
Traub capital management	-6.00
Raleigh capital management	-9.00
Tidemark	-13.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	296	-41.04%	232,504,625	-69.87%	24	0.34%	148	-43.30%	68	-32.67%
Dec 31, 2025	423	-14.02%	676,097,129	-9.72%	74	1.04%	222	-12.25%	81	-17.35%
Sep 30, 2025	474	7.73%	743,086,308	34.06%	83	2.15%	243	8.97%	93	-5.10%
Jun 30, 2025	442	2.79%	599,679,508	-0.96%	67	1.44%	221	24.86%	99	-16.10%
Mar 31, 2025	8	-98.35%	32,373,602	-94.69%	3	0.07%	4	-98.10%	3	-97.69%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	25.15M	2.86%	2.07M
Jupiter Merian Glb Eq AbsRet I USD Acc	25.17M	2.85%	25.17M
Vanguard Total Stock Mkt Idx Inv	31.53M	2.82%	88.62K
Vanguard Small Cap Index	22.87M	2.05%	-45.77K
iShares Russell 2000 ETF	21.82M	1.95%	183.91K
American Funds SMALLCAP World A	21.18M	1.91%	8.96M
Avantis US Small Cap Value ETF	18.57M	1.66%	-
Vanguard Capital Opportunity Inv	13.21M	1.50%	-5.00K
VanEck Oil Services ETF	15.36M	1.39%	-
DFA US Small Cap Value I	12.90M	1.17%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 21, 2026	Long Brady K	EVP & Chief Legal Officer	Sell	$608.97K
Mar 04, 2026	Mackenzie Roderick James	EVP, Chief Commercial Officer	Sell	$498.43K
Jan 27, 2026	Long Brady K	EVP & Chief Legal Officer	Sell	$496.46K
Jan 26, 2026	Long Brady K	EVP & Chief Legal Officer	Sell	$80.42K
Jan 27, 2026	Adamson Keelan	PRESIDENT AND CEO	Sell	$293.44K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	1
2026 Q1	-	5
2025 Q4	3	8
2025 Q3	3	-
2025 Q2	1	3

RIG Ownership FAQ

Who Owns Transocean?

Transocean shareholders are primarily institutional investors at 24.22%, followed by 12.96% insiders and 62.82% retail investors. The average institutional ownership in Transocean's industry, Oil & Gas Drilling Stocks, is 58.80%, which Transocean falls below.

Who owns the most shares of Transocean?

Transocean’s largest shareholders are Vanguard group (97.01M shares, 10.65%), Blackrock funding, inc. /de (88.37M shares, 9.21%), and Blackrock (64.85M shares, 7.92%). Together, they hold 27.77% of Transocean’s total shares outstanding.

Does Blackrock own Transocean?

Yes, BlackRock owns 7.92% of Transocean, totaling 64.85M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 346.96M$. In the last quarter, BlackRock increased its holdings by 40.08M shares, a 161.77% change.

Who is Transocean’s biggest shareholder by percentage of total assets invested?

Dalal street is Transocean’s biggest shareholder by percentage of total assets invested, with 31.97% of its assets in 20.39M Transocean shares, valued at 135.2M$.

Who is the top mutual fund holder of Transocean shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Transocean shares, with 2.86% of its total shares outstanding invested in 25.15M Transocean shares.

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