Transocean Ltd.: which funds bought and sold
Institutions that bought and sold Transocean shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 258 institutions that filed 13F reports for both quarters added to or opened positions in Transocean, and 230 cut or closed them. Together they added a net 99.6M shares, +11.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 10.8M shares (+3.4%); index fund managers were net buyers of 15.6M shares (+6.2%). 69 opened a new position and 71 sold out entirely.
Bought, Q2 2026 258 institutions, 69 of them new holders Sold, Q2 2026 230 institutions, 71 of them sold out
Net change, all compared +99.6M shares (+11.0%)
Net change, active managers +10.8M shares (+3.4%), 34 bought, 35 sold
Buyers versus sellers
258 bought 108 230 sold
Active managers and hedge funds 34 bought · 35 sold · +10.8M
Index fund managers 10 bought · 1 sold · +15.6M
Other institutions 214 bought · 194 sold · +73.1M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| UBS Group AG | +20.3M +335.7% | 26.4M | $129M |
| Assenagon Asset Management S.A. | +15.3M New position | 15.3M | $75M |
| Renaissance Technologies LLC Hedge fund | +11.4M +363.4% | 14.5M | $71M |
| Castle Hook Partners LP Hedge fund | +10.5M New position | 10.5M | $51.2M |
| Mackenzie Financial Corp | +9.7M New position | 9.7M | $47.6M |
| Point72 Asset Management, L.P. Hedge fund | +8.8M +162.1% | 14.2M | $69.3M |
| HRT Financial LP | +8.1M +566.9% | 9.5M | $46.6M |
| Bridgewater Associates, LP Hedge fund | +7.5M +1803.0% | 8.0M | $38.9M |
| Slate Path Capital LP Hedge fund | +7.2M +24.0% | 37.3M | $182M |
| Caledonia (Private) Investments Pty Ltd | +5.6M New position | 5.6M | $27.3M |
| Canoe Financial LP | +5.1M +143.1% | 8.7M | $42.5M |
| Geode Capital Management, LLC Index funds | +5.1M +21.7% | 28.6M | $140M |
| Morgan Stanley | +5.0M +23.0% | 26.7M | $131M |
| Electron Capital Partners, LLC Hedge fund | +4.7M New position | 4.7M | $22.7M |
| Goldman Sachs Group Inc | +3.9M +30.2% | 16.8M | $82.1M |
| Blackrock, Inc. Index funds | +3.6M +4.0% | 91.9M | $450M |
| Cwa Asset Management Group, LLC | +3.5M +66.9% | 8.7M | $42.5M |
| Arvin Capital Management LP | +2.8M +1538.9% | 3.0M | $14.6M |
| Squarepoint Ops LLC Hedge fund | +2.5M +60.2% | 6.7M | $33M |
| D. E. Shaw & Co., Inc. Hedge fund | +2.5M +6.4% | 41.8M | $204M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Renaissance Technologies LLC Hedge fund | +11.4M +363.4% | 14.5M | $71M |
| Castle Hook Partners LP Hedge fund | +10.5M New position | 10.5M | $51.2M |
| Point72 Asset Management, L.P. Hedge fund | +8.8M +162.1% | 14.2M | $69.3M |
| Bridgewater Associates, LP Hedge fund | +7.5M +1803.0% | 8.0M | $38.9M |
| Slate Path Capital LP Hedge fund | +7.2M +24.0% | 37.3M | $182M |
| Electron Capital Partners, LLC Hedge fund | +4.7M New position | 4.7M | $22.7M |
| Squarepoint Ops LLC Hedge fund | +2.5M +60.2% | 6.7M | $33M |
| D. E. Shaw & Co., Inc. Hedge fund | +2.5M +6.4% | 41.8M | $204M |
| Capital Fund Management S.A. Hedge fund | +2.0M New position | 2.0M | $9.8M |
| Capital World Investors Active manager | +1.4M +4.7% | 31.0M | $151M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Marshall Wace, LLP Hedge fund | −15.0M −93.4% | 1.1M | $5.2M |
| Driehaus Capital Management LLC Active manager | −7.2M Sold out | 0 | — |
| Pilgrim Global Advisors LLC | −6.5M −27.3% | 17.4M | $85M |
| Tudor Investment Corp Et Al Hedge fund | −5.3M Sold out | 0 | — |
| Empyrean Capital Partners, LP Hedge fund | −4.6M Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −4.2M −89.7% | 485K | $2.4M |
| Trexquant Investment LP Hedge fund | −3.1M Sold out | 0 | — |
| Citadel Advisors LLC Hedge fund | −2.7M −76.1% | 839K | $4.1M |
| Quadrature Capital Ltd Hedge fund | −2.6M Sold out | 0 | — |
| Jump Financial, LLC | −2.5M −80.9% | 591K | $2.9M |
| Contrarius Group Holdings Ltd | −2.5M Sold out | 0 | — |
| BNP Paribas Financial Markets | −2.3M −69.6% | 987K | $4.8M |
| Barclays PLC | −2.1M −80.8% | 509K | $2.5M |
| Nuveen, LLC | −2.1M −48.0% | 2.3M | $11.4M |
| HSBC Holdings PLC | −2.0M −68.7% | 912K | $4.5M |
| Burkehill Global Management, LP Hedge fund | −2.0M Sold out | 0 | — |
| Clough Capital Partners L P Hedge fund | −1.9M −52.9% | 1.7M | $8.3M |
| Aquatic Capital Management LLC | −1.8M Sold out | 0 | — |
| Voloridge Investment Management, LLC Hedge fund | −1.7M −10.6% | 14.8M | $72.3M |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −1.5M −99.7% | 4,541 | $22,205 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Marshall Wace, LLP Hedge fund | −15.0M −93.4% | 1.1M | $5.2M |
| Driehaus Capital Management LLC Active manager | −7.2M Sold out | 0 | — |
| Tudor Investment Corp Et Al Hedge fund | −5.3M Sold out | 0 | — |
| Empyrean Capital Partners, LP Hedge fund | −4.6M Sold out | 0 | — |
| Millennium Management LLC Hedge fund | −4.2M −89.7% | 485K | $2.4M |
| Trexquant Investment LP Hedge fund | −3.1M Sold out | 0 | — |
| Citadel Advisors LLC Hedge fund | −2.7M −76.1% | 839K | $4.1M |
| Quadrature Capital Ltd Hedge fund | −2.6M Sold out | 0 | — |
| Burkehill Global Management, LP Hedge fund | −2.0M Sold out | 0 | — |
| Clough Capital Partners L P Hedge fund | −1.9M −52.9% | 1.7M | $8.3M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Assenagon Asset Management S.A. | 15.3M | $75M |
| Castle Hook Partners LPHedge fund | 10.5M | $51.2M |
| Mackenzie Financial Corp | 9.7M | $47.6M |
| Caledonia (Private) Investments Pty Ltd | 5.6M | $27.3M |
| Electron Capital Partners, LLCHedge fund | 4.7M | $22.7M |
| Capital Fund Management S.A.Hedge fund | 2.0M | $9.8M |
| Flat Footed LLC | 1.6M | $7.8M |
| O'Shaughnessy Asset Management, LLCActive manager | 991K | $4.8M |
| Qube Research & Technologies LtdHedge fund | 878K | $4.3M |
| Summittx Capital, L.P. | 763K | $3.7M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Driehaus Capital Management LLCActive manager | 7.2M | $47.8M |
| Tudor Investment Corp Et AlHedge fund | 5.3M | $35M |
| Empyrean Capital Partners, LPHedge fund | 4.6M | $30.3M |
| Trexquant Investment LPHedge fund | 3.1M | $20.4M |
| Quadrature Capital LtdHedge fund | 2.6M | $17.2M |
| Contrarius Group Holdings Ltd | 2.5M | $16.4M |
| Burkehill Global Management, LPHedge fund | 2.0M | $13.3M |
| Aquatic Capital Management LLC | 1.8M | $11.7M |
| Polymer Capital Management (US) LLC | 1.0M | $6.7M |
| Monolith Management Ltd | 966K | $6.4M |
Who holds the shares
- Institutions reporting
- 532
- Ten largest holders
- 44.7% of 13F-reported shares
- Index fund managers
- 26.8% of 13F-reported shares
- Active managers and hedge funds
- 32.8% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 34 | 35 | 7 | 11 | +10.8M | +3.4% |
| Index fund managers | 10 | 1 | 0 | 0 | +15.6M | +6.2% |
| Other institutions | 214 | 194 | 62 | 60 | +73.1M | +22.0% |