Mohnish Pabrai's Transocean Ltd. (RIG) position

Yes: as of Q1 2026, Mohnish Pabrai holds 20.4M shares of RIG worth $135M (32.0% of the disclosed portfolio). Last quarter the position was reduced by 24.6%. First disclosed Q3 2025.

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Current value

$135M

Shares held

20.4M

% of portfolio

32.0%

Est. average buy price (i)

$3.10

Quarter-end price

$6.63

Estimated trade prices

Average price in quarters with purchases: $3.10
Average prices in quarters with sales: Q1 2026: $5.63 (6.6M shares sold)

RIG price vs Pabrai's position

1Y 3Y 5Y MAX

Dates

Average closing price · filing quarter: $5.63
Price range · filing quarter: $4.21 – $6.93

Every quarterly change

Quarter	Action	Shares change	Est. value change	Δ Own	Shares held	Filing date
Q1 2026	Reduced	−6.6M	−$37M	−24.6%	20.4M	May 14, 2026
Q4 2025	Added	+2.6M	+$10M	+10.6%	27.0M	Feb 13, 2026
Q3 2025	New	+24.4M	+$74M	–	24.4M	Nov 13, 2025

Data through Q1 2026 · filed May 14, 2026

3 grouped rows from 3 quarters

Who else owns RIG

Dimensional

owns 5.4% of shares outstanding

Est. $324M · Shares: 48.8M

Two Sigma Investments, LP

owns 5.1% of shares outstanding

Est. $308M · Shares: 46.5M

D. E. Shaw & Co., Inc.

owns 4.3% of shares outstanding

Est. $260M · Shares: 39.3M

Slate Path Capital LP

owns 3.3% of shares outstanding

Est. $199M · Shares: 30.1M

See all owners of RIG →

More Pabrai positions

Warrior Met Coal, Inc.(HCC)

$169M

39.9% of portfolio

Alpha Metallurgical Resources, Inc.(AMR)

$119M

28.1% of portfolio

Common questions

Does Mohnish Pabrai own RIG?

Yes. As of Q1 2026, Mohnish Pabrai disclosed 20.4M shares of RIG, worth $135M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Mohnish Pabrai buy RIG?

Mohnish Pabrai first disclosed a RIG position in Q3 2025; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Mohnish Pabrai sell RIG?

The quarter-by-quarter table above shows each sale and reduction Mohnish Pabrai disclosed in RIG. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of RIG does Mohnish Pabrai own?

Mohnish Pabrai disclosed 20.4M shares of RIG as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Mohnish Pabrai pay for RIG?

Mohnish Pabrai's estimated average buy price for RIG is $3.10, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.