KOSMOS ENERGY LTD (KOS) Institutional Ownership Changes & 13F Activity
KOSMOS ENERGY LTD (KOS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Two Sigma Investments, Lp, D. E. Shaw & Co., Inc., American Century Companies Inc, State Street Corp, and Ghisallo Capital Management Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Militia Capital Management Llc | Buy | +25,000 | — | 25,000 | $69.50K | Q1 2026 | Aug 12, 2026 |
| Algert Global Llc | Buy | +1,256,867 | — | 1,256,867 | $3.49M | Q1 2026 | Aug 11, 2026 |
| Wells Fargo & Company/Mn | Sell | -167,748 | -9.7% | 1,559,792 | $4.34M | Q1 2026 | Jul 08, 2026 |
| Bank Of America Corp | Buy | +1,689,800 | +43.9% | 5,541,020 | $15.40M | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Buy | +227,978 | +52.3% | 663,917 | $1.85M | Q1 2026 | May 18, 2026 |
| Amundi | Buy | +76,442 | +97.4% | 154,931 | $430.71K | Q1 2026 | May 18, 2026 |
| Two Sigma Investments, Lp | Buy | +14,824,861 | +384.5% | 18,680,328 | $51.93M | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +14,420,042 | +241.7% | 20,385,745 | $56.67M | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Sell | -11,202,509 | -99.1% | 98,202 | $273.00K | Q1 2026 | May 15, 2026 |
| State Street Corp | Buy | +7,817,721 | +38.3% | 28,247,797 | $78.53M | Q1 2026 | May 15, 2026 |
| Ghisallo Capital Management Llc | Buy | +3,675,000 | — | 3,675,000 | $10.22M | Q1 2026 | May 15, 2026 |
| Covalis Capital Llp | Buy | +3,162,820 | — | 3,162,820 | $8.79M | Q1 2026 | May 15, 2026 |
| Goldman Sachs Group Inc | Buy | +2,494,839 | +36.9% | 9,261,696 | $25.75M | Q1 2026 | May 15, 2026 |
| Millennium Management Llc | Sell | -2,195,062 | -14.8% | 12,632,904 | $35.12M | Q1 2026 | May 15, 2026 |
| Charles Schwab Investment Management Inc | Buy | +2,089,855 | +17.3% | 14,135,448 | $39.30M | Q1 2026 | May 15, 2026 |
| Geosphere Capital Management, Llc | Buy | +2,038,788 | — | 2,038,788 | $5.67M | Q1 2026 | May 15, 2026 |
| Quadrature Capital Ltd | Buy | +1,474,133 | — | 1,474,133 | $4.10M | Q1 2026 | May 15, 2026 |
| J. Goldman & Co Lp | Buy | +1,443,749 | — | 1,443,749 | $4.01M | Q1 2026 | May 15, 2026 |
| Geode Capital Management, Llc | Buy | +1,441,737 | +12.8% | 12,714,055 | $35.35M | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Buy | +1,343,492 | +216.3% | 1,964,598 | $5.46M | Q1 2026 | May 15, 2026 |
| Nomura Holdings Inc | Buy | +1,328,133 | +129.4% | 2,354,135 | $6.54M | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Buy | +1,127,868 | +24.0% | 5,837,077 | $16.23M | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Sell | -1,106,175 | -19.9% | 4,450,077 | $12.37M | Q1 2026 | May 15, 2026 |
| Lmr Partners Llp | Buy | +1,036,943 | — | 1,036,943 | $2.88M | Q1 2026 | May 15, 2026 |
| First Sabrepoint Capital Management Lp | Buy | +1,000,000 | — | 1,000,000 | $2.78M | Q1 2026 | May 15, 2026 |
| Purpose Unlimited Inc. | Buy | +1,000,000 | — | 1,000,000 | $2.78M | Q1 2026 | May 15, 2026 |
| Susquehanna Portfolio Strategies, Llc | Buy | +990,888 | — | 990,888 | $2.75M | Q1 2026 | May 15, 2026 |
| Thomist Capital Management, Lp | Buy | +927,209 | — | 927,209 | $2.58M | Q1 2026 | May 15, 2026 |
| Aquatic Capital Management Llc | Buy | +923,417 | — | 923,417 | $2.57M | Q1 2026 | May 15, 2026 |
| Boothbay Fund Management, Llc | Buy | +759,700 | — | 759,700 | $2.11M | Q1 2026 | May 15, 2026 |
Frequently asked questions about KOS activity
Which institutional owners are buying KOS?
Institutional owners buying KOS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in KOS activity?
"Buy" means an investor increased their reported position in KOS compared to the prior reporting period. This reflects growing exposure to KOSMOS ENERGY LTD (KOS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in KOS increasing?
Institutional interest in KOS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related KOS Institutional Insights
- KOS Overview
- KOS 13F Institutional Holders
- KOS Superinvestors
- Energy Sector Institutional Ownership
- Energy Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Energy Stocks By Institutional Investors
- Most Sold Energy Stocks By Institutional Investors
- KOS Insider Trading & SEC Form 4 Activity
- KOS Articles
- Top Institutional Investor Stock Rankings