# TRANSOCEAN LTD REGISTERED SHS

TRANSOCEAN LTD REGISTERED SHS is a security (CUSIP H8817H100) tracked across SEC portfolio filings. 566 institutional managers reported $6.0B on Form 13F as of 2026-06-30; 25 registered fund positions totaling $132.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: TRANSOCEAN LTD
- Class: REGISTERED SHS
- CUSIP: H8817H100
- Asset category: EC
- 13F holders: 566
- 13F value: $6.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 25
- N-PORT value: $132.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 566 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $585.9M | 88,371,248 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $400.6M | 97,006,263 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $323.7M | 48,819,576 |
| [TWO SIGMA INVESTMENTS, LP](https://search.stillhousedata.com/firm/137137) | New York, NY | $308.1M | 46,463,736 |
| D. E. Shaw & Co., Inc. | New York, NY | $268.8M | 39,262,599 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | BALA CYNWYD, PA | $222.9M | 6,231,346 |
| [Slate Path Capital LP](https://search.stillhousedata.com/firm/164751) | New York, NY | $199.3M | 30,062,100 |
| Capital World Investors | LOS ANGELES, CA | $196.1M | 29,575,479 |
| STATE STREET CORP | BOSTON, MA | $165.6M | 24,982,204 |
| [PILGRIM GLOBAL ADVISORS LLC](https://search.stillhousedata.com/firm/323259) | RENO, NV | $158.5M | 23,913,120 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $155.6M | 23,471,597 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $150.9M | 22,759,181 |
| MORGAN STANLEY | NEW YORK, NY | $143.8M | 21,693,064 |
| [Dalal Street, LLC](https://search.stillhousedata.com/firm/161471) | Austin, TX | $135.2M | 20,392,672 |
| [VOLORIDGE INVESTMENT MANAGEMENT, LLC](https://search.stillhousedata.com/firm/152869) | Jupiter, FL | $109.7M | 16,542,717 |

## Top fund holders (N-PORT)

_Showing 15 of 25 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $73.3M | 9.00% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $29.6M | 16.86% |
| XAI Madison Equity Premium Income Fund | XAI Madison Equity Premium Income Fund | $7.6M | 561.18% |
| Clough Global Opportunities Fund | CLOUGH GLOBAL OPPORTUNITIES FUND | $3.8M | 133.63% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $3.7M | 0.63% |
| Clough Global Equity Fund | CLOUGH GLOBAL EQUITY FUND | $3.3M | 191.15% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $3.2M | 1.06% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.6M | 13.88% |
| [VANGUARD GROWTH AND INCOME FUND](https://search.stillhousedata.com/fund/S000002913) | VANGUARD QUANTITATIVE FUNDS | $1.4M | 0.87% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $1.1M | 3.79% |
| Invesco Dynamic Credit Opportunities Fund | Invesco Dynamic Credit Opportunities Fund | $829K | 9.57% |
| [Vericimetry U.S. Small Cap Value Fund](https://search.stillhousedata.com/fund/S000033942) | VERICIMETRY FUNDS | $735K | 43.71% |
| [Driehaus Small/Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000068519) | Driehaus Mutual Funds | $571K | 63.40% |
| Nuveen Floating Rate Income Opportunity Fund | Nuveen Floating Rate Income Opportunity Fund | $377K | 10.34% |
| Nuveen Senior Income Fund | Nuveen Senior Income Fund | $236K | 11.57% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/H8817H100.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.