What does CUSIP H8817H100 represent in this 13F holders report?

CUSIP H8817H100 is the security identifier for RIG - Transocean Ltd. - Shares, $0.10 par value used to aggregate holder disclosures.

How many institutions held RIG - Transocean Ltd. - Shares, $0.10 par value in Q1 2021?

250 institutional investors reported RIG - Transocean Ltd. - Shares, $0.10 par value for Q1 2021. Use the holders table for investor-level position and value details.

Transocean Ltd. - Shares, $0.10 par value (RIG)

CUSIP: H8817H100

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Shares, $0.10 par value
Shares outstanding: 1,101,344,330
Total 13F shares: 329,199,307
Share change: +30,929,448
Total reported value: $1,168,532,551
Put/Call ratio: 197%
Price per share: $3.55
Number of holders: 250
Value change: +$119,839,668
Number of buys: 119
Number of sells: 105

Quarterly Holders Quick Answers

What is CUSIP H8817H100?
CUSIP H8817H100 identifies RIG - Transocean Ltd. - Shares, $0.10 par value in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP H8817H100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of RIG - Transocean Ltd. - Shares, $0.10 par value (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	5.1%	55,618,830	$128,479,000	—	31 Dec 2020	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	4.4%	48,543,106	$112,135,000	—	31 Dec 2020	13F
Marc Lasry	13F	Individual	0.61%	6,692,249	$111,171,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	3.9%	43,406,217	$100,269,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	1.4%	15,464,572	$35,723,000	—	31 Dec 2020	13F
VAN ECK ASSOCIATES CORP	13F	Company	1.3%	14,051,217	$32,458,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.77%	8,476,181	$19,579,000	—	31 Dec 2020	13F
NORGES BANK	13F	Company	0.73%	7,986,157	$18,448,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.64%	7,057,748	$16,303,000	—	31 Dec 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.6%	6,584,902	$15,211,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.55%	6,088,197	$14,064,000	—	31 Dec 2020	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.55%	6,012,386	$13,889,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.52%	5,781,200	$13,355,000	—	31 Dec 2020	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.34%	3,746,700	$8,655,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	0.28%	3,035,529	$7,012,000	—	31 Dec 2020	13F
CITADEL ADVISORS LLC	13F	Company	0.27%	3,020,153	$6,977,000	—	31 Dec 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.25%	2,745,842	$6,342,000	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.23%	2,536,712	$5,860,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.23%	2,494,302	$5,762,000	—	31 Dec 2020	13F
DISCOVERY CAPITAL MANAGEMENT, LLC / CT	13F	Company	0.22%	2,393,700	$5,529,000	—	31 Dec 2020	13F
INVESCO SENIOR SECURED MANAGEMENT INC /ADV	13F	Company	0.21%	2,277,901	$5,262,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.19%	2,083,951	$4,813,000	—	31 Dec 2020	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.19%	2,048,177	$4,731,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.16%	1,801,094	$4,160,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.16%	1,785,090	$4,124,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.14%	1,576,223	$3,641,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.14%	1,569,660	$3,625,000	—	31 Dec 2020	13F
FMR LLC	13F	Company	0.14%	1,557,500	$3,598,000	—	31 Dec 2020	13F
JANE STREET GROUP, LLC	13F	Company	0.13%	1,482,809	$3,425,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.12%	1,365,083	$3,153,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.12%	1,323,230	$3,057,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.11%	1,247,434	$2,881,000	—	31 Dec 2020	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.1%	1,154,061	$2,665,882	—	31 Dec 2020	13F
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC	13F	Company	0.1%	1,123,386	$2,595,000	—	31 Dec 2020	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.09%	1,012,138	$2,338,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.09%	1,007,614	$2,328,000	—	31 Dec 2020	13F
BARCLAYS PLC	13F	Company	0.09%	981,564	$2,267,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.09%	970,920	$2,242,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.08%	906,556	$2,094,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.08%	843,394	$1,948,000	—	31 Dec 2020	13F
WOLVERINE ASSET MANAGEMENT LLC	13F	Company	0.07%	790,998	$1,827,000	—	31 Dec 2020	13F
Paloma Partners Management Co	13F	Company	0.07%	750,084	$1,733,000	—	31 Dec 2020	13F
Tensile Capital Management LP	13F	Company	0.06%	642,940	$1,485,000	—	31 Dec 2020	13F
Madison Asset Management, LLC	13F	Company	0.06%	640,000	$1,478,000	—	31 Dec 2020	13F
CITIGROUP INC	13F	Company	0.06%	627,974	$1,451,000	—	31 Dec 2020	13F
Jefferies Group LLC	13F	Company	0.06%	624,657	$1,442,958	—	31 Dec 2020	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.06%	617,060	$1,425,000	—	31 Dec 2020	13F
Cedar Wealth Management, LLC	13F	Company	0.06%	610,000	$1,409,000	—	31 Dec 2020	13F
Gramercy Funds Management LLC	13F	Company	0.06%	607,175	$1,403,000	—	31 Dec 2020	13F
SG Americas Securities, LLC	13F	Company	0.05%	573,901	$1,326,000	—	31 Dec 2020	13F

Institutional Holders of Transocean Ltd. - Shares, $0.10 par value (RIG) as of Q1 2021

As of 31 Mar 2021, Transocean Ltd. - Shares, $0.10 par value (RIG) was held by 250 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 329,199,307 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., PRIMECAP MANAGEMENT CO/CA/, STATE STREET CORP, VAN ECK ASSOCIATES CORP, D. E. Shaw & Co., Inc., TWO SIGMA ADVISERS, LP, GEODE CAPITAL MANAGEMENT, LLC, NORTHERN TRUST CORP, and TWO SIGMA INVESTMENTS, LP. This page lists 250 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

223

Q1 2021 holders

250

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.