Kosmos Energy Ltd.: which funds bought and sold
Institutions that bought and sold Kosmos Energy 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, 167 institutions that filed 13F reports for both quarters added to or opened positions in Kosmos Energy, and 104 cut or closed them. Together they sold a net 3.0M shares, −0.7% on what they held at the start of the quarter. Active managers and hedge funds on our list were net sellers of 6,762 shares (0.0%); index fund managers were net buyers of 18.4M shares (+14.5%). 48 opened a new position and 41 sold out entirely.
Bought, Q2 2026 167 institutions, 48 of them new holders Sold, Q2 2026 104 institutions, 41 of them sold out
Net change, all compared −3.0M shares (−0.7%)
Net change, active managers −6,762 shares (0.0%), 23 bought, 25 sold
Buyers versus sellers
167 bought 33 104 sold
Active managers and hedge funds 23 bought · 25 sold · −6,762
Index fund managers 10 bought · 2 sold · +18.4M
Other institutions 134 bought · 77 sold · −21.4M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | +8.6M +18.0% | 56.0M | $118M |
| American Century Companies Inc Active manager | +7.9M +8083.6% | 8.0M | $17M |
| Two Sigma Investments, LP Hedge fund | +6.7M +36.0% | 25.4M | $53.6M |
| Bridgewater Associates, LP Hedge fund | +4.7M New position | 4.7M | $10M |
| Geode Capital Management, LLC Index funds | +4.4M +34.2% | 17.1M | $36M |
| D. E. Shaw & Co., Inc. Hedge fund | +4.2M +20.4% | 24.5M | $51.8M |
| Nuveen, LLC | +4.0M +121.2% | 7.3M | $15.5M |
| Vanguard Portfolio Management LLC Index funds | +3.4M +39.2% | 12.0M | $25.3M |
| AQR Capital Management LLC Hedge fund | +2.8M +216.3% | 4.1M | $8.6M |
| Dimensional Fund Advisors LP | +2.5M +35.3% | 9.6M | $20.2M |
| Renaissance Technologies LLC Hedge fund | +1.7M +31.3% | 7.0M | $14.8M |
| Morgan Stanley | +1.5M +26.1% | 7.4M | $15.5M |
| Gotham Asset Management, LLC Hedge fund | +1.4M +992.3% | 1.6M | $3.4M |
| UBS Group AG | +1.3M +26.3% | 6.1M | $12.8M |
| Algert Global LLC Hedge fund | +1.2M +98.2% | 2.5M | $5.3M |
| Squarepoint Ops LLC Hedge fund | +1.2M +813.3% | 1.4M | $2.9M |
| State Street Corp Index funds | +1.2M +4.3% | 29.5M | $62.1M |
| Northern Trust Corp Index funds | +1.1M +25.5% | 5.3M | $11.2M |
| FMR LLC Active manager | +1.1M +1947.4% | 1.1M | $2.4M |
| Susquehanna International Group, LLP | +1.0M +43.0% | 3.4M | $7.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| American Century Companies Inc Active manager | +7.9M +8083.6% | 8.0M | $17M |
| Two Sigma Investments, LP Hedge fund | +6.7M +36.0% | 25.4M | $53.6M |
| Bridgewater Associates, LP Hedge fund | +4.7M New position | 4.7M | $10M |
| D. E. Shaw & Co., Inc. Hedge fund | +4.2M +20.4% | 24.5M | $51.8M |
| AQR Capital Management LLC Hedge fund | +2.8M +216.3% | 4.1M | $8.6M |
| Renaissance Technologies LLC Hedge fund | +1.7M +31.3% | 7.0M | $14.8M |
| Gotham Asset Management, LLC Hedge fund | +1.4M +992.3% | 1.6M | $3.4M |
| Algert Global LLC Hedge fund | +1.2M +98.2% | 2.5M | $5.3M |
| Squarepoint Ops LLC Hedge fund | +1.2M +813.3% | 1.4M | $2.9M |
| FMR LLC Active manager | +1.1M +1947.4% | 1.1M | $2.4M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Jane Street Group, LLC | −11.6M −99.2% | 93K | $196,941 |
| Grantham, Mayo, Van Otterloo & Co. LLC Active manager | −6.5M −35.3% | 11.9M | $25M |
| Millennium Management LLC Hedge fund | −5.2M −41.2% | 7.4M | $15.7M |
| Citadel Advisors LLC Hedge fund | −4.3M −95.6% | 195K | $411,260 |
| Monaco Asset Management Sam | −4.0M Sold out | 0 | — |
| First Trust Advisors LP | −3.7M −47.8% | 4.0M | $8.5M |
| Ghisallo Capital Management LLC Hedge fund | −3.7M Sold out | 0 | — |
| Russell Investments Group, Ltd. | −3.2M −54.9% | 2.6M | $5.6M |
| Covalis Capital LLP | −3.2M Sold out | 0 | — |
| HRT Financial LP | −2.7M Sold out | 0 | — |
| Bank Of America Corp | −2.6M −47.1% | 2.9M | $6.2M |
| Walleye Capital LLC Hedge fund | −2.3M Sold out | 0 | — |
| Jpmorgan Chase & Co | −2.2M −84.6% | 393K | $817,461 |
| UBS Am, A Distinct Business Unit Of UBS Asset Management Americas LLC | −1.9M −45.1% | 2.3M | $4.8M |
| Nantahala Capital Management, LLC Hedge fund | −1.8M Sold out | 0 | — |
| Arrowstreet Capital, Limited Partnership Hedge fund | −1.7M Sold out | 0 | — |
| J. Goldman & Co LP Hedge fund | −1.4M Sold out | 0 | — |
| Quadrature Capital Ltd Hedge fund | −1.3M −87.4% | 186K | $393,285 |
| Hotchkis & Wiley Capital Management LLC Active manager | −1.2M −6.0% | 18.8M | $39.8M |
| Quantbot Technologies LP Hedge fund | −1.2M −96.0% | 50K | $104,745 |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Grantham, Mayo, Van Otterloo & Co. LLC Active manager | −6.5M −35.3% | 11.9M | $25M |
| Millennium Management LLC Hedge fund | −5.2M −41.2% | 7.4M | $15.7M |
| Citadel Advisors LLC Hedge fund | −4.3M −95.6% | 195K | $411,260 |
| Ghisallo Capital Management LLC Hedge fund | −3.7M Sold out | 0 | — |
| Walleye Capital LLC Hedge fund | −2.3M Sold out | 0 | — |
| Nantahala Capital Management, LLC Hedge fund | −1.8M Sold out | 0 | — |
| Arrowstreet Capital, Limited Partnership Hedge fund | −1.7M Sold out | 0 | — |
| J. Goldman & Co LP Hedge fund | −1.4M Sold out | 0 | — |
| Quadrature Capital Ltd Hedge fund | −1.3M −87.4% | 186K | $393,285 |
| Hotchkis & Wiley Capital Management LLC Active manager | −1.2M −6.0% | 18.8M | $39.8M |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Bridgewater Associates, LPHedge fund | 4.7M | $10M |
| Plustick Management LLC | 900K | $1.9M |
| Healthcare Of Ontario Pension Plan Trust Fund | 808K | $1.7M |
| Mackenzie Financial Corp | 675K | $1.4M |
| State Of New Jersey Common Pension Fund D | 404K | $852,081 |
| Kiker Wealth Management, LLC | 202K | $426,247 |
| Bwm Planning, LLC | 182K | $383,252 |
| Corecommodity Management, LLC | 180K | $380,279 |
| Thrivent Financial For Lutherans | 175K | $369,000 |
| Group One Trading LLC | 141K | $297,086 |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Monaco Asset Management Sam | 4.0M | $11.2M |
| Ghisallo Capital Management LLCHedge fund | 3.7M | $10.2M |
| Covalis Capital LLP | 3.2M | $8.8M |
| HRT Financial LP | 2.7M | $7.6M |
| Walleye Capital LLCHedge fund | 2.3M | $6.4M |
| Nantahala Capital Management, LLCHedge fund | 1.8M | $5.1M |
| Arrowstreet Capital, Limited PartnershipHedge fund | 1.7M | $4.8M |
| J. Goldman & Co LPHedge fund | 1.4M | $4M |
| Thomist Capital Management, LP | 927K | $2.6M |
| Portolan Capital Management, LLC | 603K | $1.7M |
Who holds the shares
- Institutions reporting
- 265
- Ten largest holders
- 53.3% of 13F-reported shares
- Index fund managers
- 33.8% of 13F-reported shares
- Active managers and hedge funds
- 33.5% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 23 | 25 | 1 | 9 | −6,762 | 0.0% |
| Index fund managers | 10 | 2 | 0 | 0 | +18.4M | +14.5% |
| Other institutions | 134 | 77 | 47 | 32 | −21.4M | −13.2% |