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 Q2 2018?

412 institutional investors reported RIG - Transocean Ltd. - Shares, $0.10 par value for Q2 2018. Use the holders table for investor-level position and value details.

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

CUSIP: H8817H100

Q2 2018 13F Holders as of 30 Jun 2018

Type / Class: Equity / Shares, $0.10 par value
Shares outstanding: 1,101,344,330
Total 13F shares: 331,585,200
Share change: -7,466,669
Total reported value: $4,456,062,304
Put/Call ratio: 268%
Price per share: $13.44
Number of holders: 412
Value change: -$63,259,934
Number of buys: 161
Number of sells: 211

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?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

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

Newer quarter: Q3 2018
Previous quarter: Q1 2018

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
BlackRock Finance, Inc.	13F	Company	3.6%	39,497,237	$391,023,000	—	31 Mar 2018	13F
VANGUARD GROUP INC	13F	Company	3.4%	37,740,070	$373,626,000	—	31 Mar 2018	13F
Asia Research & Capital Management Ltd	13F	Company	1.5%	16,777,850	$166,101,000	—	31 Mar 2018	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	1.3%	14,055,895	$139,153,000	—	31 Mar 2018	13F
STATE STREET CORP	13F	Company	1.3%	13,802,628	$136,646,000	—	31 Mar 2018	13F
Contrarius Investment Management Ltd	13F	Company	1.1%	12,567,343	$124,417,000	—	31 Mar 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1%	11,012,549	$109,024,000	—	31 Mar 2018	13F
VAN ECK ASSOCIATES CORP	13F	Company	0.72%	7,875,750	$77,970,000	—	31 Mar 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.69%	7,587,787	$75,119,000	—	31 Mar 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.65%	7,134,303	$70,630,000	—	31 Mar 2018	13F
Manning & Napier Group, LLC	13F	Company	0.65%	7,107,668	$70,365,000	—	31 Mar 2018	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.62%	6,821,900	$67,537,000	—	31 Mar 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.6%	6,616,482	$65,502,000	—	31 Mar 2018	13F
Bank of New York Mellon Corp	13F	Company	0.55%	6,032,215	$59,719,000	—	31 Mar 2018	13F
Odey Asset Management Group Ltd	13F	Company	0.53%	5,883,499	$58,247,000	—	31 Mar 2018	13F
PLATINUM INVESTMENT MANAGEMENT LTD	13F	Company	0.44%	4,832,100	$47,837,000	—	31 Mar 2018	13F
Man Group plc	13F	Company	0.41%	4,491,500	$44,466,000	—	31 Mar 2018	13F
CREDIT SUISSE AG/	13F	Company	0.4%	4,449,633	$44,052,000	—	31 Mar 2018	13F
NORGES BANK	13F	Company	0.38%	4,225,386	$41,831,000	—	31 Mar 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.38%	4,208,139	$41,661,000	—	31 Mar 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.37%	4,028,637	$39,881,000	—	31 Mar 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.35%	3,840,671	$38,022,000	—	31 Mar 2018	13F
NORTHERN TRUST CORP	13F	Company	0.32%	3,571,069	$35,353,000	—	31 Mar 2018	13F
Orbis Allan Gray Ltd	13F	Company	0.31%	3,421,880	$33,877,000	—	31 Mar 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	0.28%	3,100,855	$30,699,000	—	31 Mar 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.27%	2,928,589	$28,994,000	—	31 Mar 2018	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.24%	2,698,021	$26,710,000	—	31 Mar 2018	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.24%	2,629,300	$26,030,000	—	31 Mar 2018	13F
THOMPSON SIEGEL & WALMSLEY LLC	13F	Company	0.24%	2,598,621	$25,726,000	—	31 Mar 2018	13F
MORGAN STANLEY	13F	Company	0.2%	2,217,905	$21,956,000	—	31 Mar 2018	13F
MARSHALL WACE, LLP	13F	Company	0.19%	2,064,425	$20,438,000	—	31 Mar 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.17%	1,896,766	$18,778,000	—	31 Mar 2018	13F
Tensile Capital Management LP	13F	Company	0.17%	1,888,200	$18,693,000	—	31 Mar 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.17%	1,836,846	$18,185,000	—	31 Mar 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.16%	1,812,858	$17,947,000	—	31 Mar 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.16%	1,790,082	$17,712,000	—	31 Mar 2018	13F
Laurion Capital Management LP	13F	Company	0.16%	1,753,615	$17,360,000	—	31 Mar 2018	13F
Robeco Institutional Asset Management B.V.	13F	Company	0.16%	1,726,228	$17,089,000	—	31 Mar 2018	13F
LUMINUS MANAGEMENT LLC	13F	Company	0.15%	1,697,865	$16,809,000	—	31 Mar 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.14%	1,559,321	$15,437,000	—	31 Mar 2018	13F
Alyeska Investment Group, L.P.	13F	Company	0.14%	1,556,725	$15,412,000	—	31 Mar 2018	13F
WEDGE CAPITAL MANAGEMENT L L P/NC	13F	Company	0.13%	1,482,387	$14,676,000	—	31 Mar 2018	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.13%	1,451,169	$14,367,000	—	31 Mar 2018	13F
Gotham Asset Management, LLC	13F	Company	0.13%	1,441,933	$14,275,000	—	31 Mar 2018	13F
Retirement Systems of Alabama	13F	Company	0.13%	1,432,995	$14,187,000	—	31 Mar 2018	13F
Invesco Ltd.	13F	Company	0.13%	1,410,066	$13,960,000	—	31 Mar 2018	13F
JUPITER ASSET MANAGEMENT LTD	13F	Company	0.13%	1,399,300	$13,853,000	—	31 Mar 2018	13F
COMMERZBANK AKTIENGESELLSCHAFT /FI	13F	Company	0.13%	1,393,720	$13,798,000	—	31 Mar 2018	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.12%	1,354,087	$13,405,000	—	31 Mar 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.12%	1,323,060	$13,099,000	—	31 Mar 2018	13F

Institutional Holders of Transocean Ltd. - Shares, $0.10 par value (RIG) as of Q2 2018

As of 30 Jun 2018, Transocean Ltd. - Shares, $0.10 par value (RIG) was held by 412 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 331,585,200 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, Asia Research & Capital Management Ltd, STATE STREET CORP, PRIMECAP MANAGEMENT CO/CA/, Contrarius Investment Management Ltd, PLATINUM INVESTMENT MANAGEMENT LTD, RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA ADVISERS, LP, and DIMENSIONAL FUND ADVISORS LP. This page lists 412 institutional shareholders reporting positions in this security for the Q2 2018 filing period.

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

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

405

Q2 2018 holders

412

Holder diff

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 Value $	Q2 2018 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.