Kosmos Energy
235 hedge funds and large institutions have $663M invested in Kosmos Energy in 2025 Q3 according to their latest regulatory filings, with 31 funds opening new positions, 78 increasing their positions, 79 reducing their positions, and 21 closing their positions.
48% more first-time investments, than exits
New positions opened: 31 | Existing positions closed: 21
4% more funds holding
Funds holding: 226 → 235 (+9)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
1% less repeat investments, than reductions
Existing positions increased: 78 | Existing positions reduced: 79
3.53% less ownership
Funds ownership: 86.66% → 83.13% (-3.5%)
7% less capital invested
Capital invested by funds: $714M → $663M (-$51.6M)
12% less call options, than puts
Call options by funds: $7.06M | Put options by funds: $8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$15.9M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
+$6.03M |
| 3 |
State Street
Boston,
Massachusetts
|
+$5.92M |
| 4 |
MGP
M&G plc
London,
United Kingdom
|
+$4.13M |
| 5 |
Nomura Holdings
Tokyo,
Japan
|
+$3.51M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PCM
Patient Capital Management
Baltimore,
Maryland
|
-$30M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
-$5.68M |
| 3 |
Goldman Sachs
New York
|
-$5.63M |
| 4 |
Squarepoint
New York
|
-$5.29M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$5.28M |
KOS Hedge Fund Activity: Q3 2025 in Review
235 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Kosmos Energy (KOS) for Q3 2025, worth a combined $663M — down 7.2% from $714M a quarter earlier.
Buyers outnumbered sellers: 31 funds opened new KOS positions and 21 closed out — a net gain of 10 holders — while 78 added to existing stakes and 79 trimmed.
The largest buyer was Millennium Management, adding an estimated $15.9M. The largest seller was Patient Capital Management, cutting an estimated $30M.
- 235 institutional investors held Kosmos Energy (KOS) as of Q3 2025, up from 226 in Q2 2025.
- Funds reported $663M of Kosmos Energy stock for Q3 2025, down 7.2% quarter-over-quarter.
- 31 funds opened new Kosmos Energy positions in Q3 2025 and 21 closed out, a net change of +10 holders.
- The largest Kosmos Energy buyer in Q3 2025 was Millennium Management, an estimated $15.9M added.
- The largest Kosmos Energy seller in Q3 2025 was Patient Capital Management, an estimated $30M sold.
Based on aggregated 13F filings for Q3 2025.