Adage Capital Partners’s Kosmos Energy KOS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $417K | Hold |
150,000
| – | – | ﹤0.01% | 886 |
|
|
2025
Q4 | $136K | Hold |
150,000
| – | – | ﹤0.01% | 889 |
|
|
2025
Q3 | $249K | Sell |
150,000
-150,000
| -50% | -$281K | ﹤0.01% | 857 |
|
|
2025
Q2 | $516K | Sell |
300,000
-3,390,000
| -92% | -$6.14M | ﹤0.01% | 808 |
|
|
2025
Q1 | $8.41M | Buy |
3,690,000
+1,100,000
| +42% | +$3.25M | 0.02% | 620 |
|
|
2024
Q4 | $8.86M | Buy |
2,590,000
+1,200,000
| +86% | +$4.57M | 0.02% | 635 |
|
|
2024
Q3 | $5.6M | Sell |
1,390,000
-45,000
| -3% | -$219K | 0.01% | 703 |
|
|
2024
Q2 | $7.95M | Sell |
1,435,000
-4,479,609
| -76% | -$26.1M | 0.01% | 645 |
|
|
2024
Q1 | $35.3M | Buy |
5,914,609
+1,314,609
| +29% | +$7.91M | 0.07% | 311 |
|
|
2023
Q4 | $30.9M | Buy |
4,600,000
+800,000
| +21% | +$5.6M | 0.06% | 307 |
|
|
2023
Q3 | $31.1M | Buy |
3,800,000
+900,000
| +31% | +$6.38M | 0.07% | 290 |
|
|
2023
Q2 | $17.4M | Buy |
2,900,000
+900,000
| +45% | +$5.86M | 0.04% | 446 |
|
|
2023
Q1 | $14.9M | Sell |
2,000,000
-4,150,000
| -67% | -$30.4M | 0.03% | 513 |
|
|
2022
Q4 | $39.1M | Buy |
+6,150,000
| New | +$38.4M | 0.09% | 248 |
|
|
2020
Q3 | – | Sell |
-600,000
| Closed | -$996K | – | 790 |
|
|
2020
Q2 | $996K | Sell |
600,000
-850,000
| -59% | -$1.36M | ﹤0.01% | 702 |
|
|
2020
Q1 | $1.3M | Hold |
1,450,000
| – | – | ﹤0.01% | 677 |
|
|
2019
Q4 | $8.27M | Hold |
1,450,000
| – | – | 0.02% | 563 |
|
|
2019
Q3 | $9.05M | Buy |
1,450,000
+450,000
| +45% | +$2.76M | 0.02% | 540 |
|
|
2019
Q2 | $6.27M | Buy |
1,000,000
+400,000
| +67% | +$2.55M | 0.02% | 587 |
|
|
2019
Q1 | $3.74M | Sell |
600,000
-100,000
| -14% | -$555K | 0.01% | 624 |
|
|
2018
Q4 | $2.85M | Buy |
700,000
+30,000
| +4% | +$185K | 0.01% | 646 |
|
|
2018
Q3 | $6.26M | Sell |
670,000
-50,000
| -7% | -$422K | 0.01% | 614 |
|
|
2018
Q2 | $5.95M | Sell |
720,000
-843,360
| -54% | -$6.16M | 0.01% | 639 |
|
|
2018
Q1 | $9.85M | Sell |
1,563,360
-2,450,000
| -61% | -$15.4M | 0.02% | 558 |
|
|
2017
Q4 | $27.5M | Sell |
4,013,360
-1,230,000
| -23% | -$9.37M | 0.06% | 337 |
|
|
2017
Q3 | $41.7M | Sell |
5,243,360
-750,000
| -13% | -$5.18M | 0.1% | 254 |
|
|
2017
Q2 | $38.4M | Buy |
5,993,360
+2,250,000
| +60% | +$14.3M | 0.09% | 279 |
|
|
2017
Q1 | $24.9M | Buy |
3,743,360
+1,850,000
| +98% | +$11.6M | 0.06% | 359 |
|
|
2016
Q4 | $13.3M | Buy |
1,893,360
+224,075
| +13% | +$1.28M | 0.04% | 471 |
|
|
2016
Q3 | $10.7M | Buy |
1,669,285
+182,859
| +12% | +$1.07M | 0.03% | 509 |
|
|
2016
Q2 | $8.1M | Buy |
+1,486,426
| New | +$8.4M | 0.02% | 549 |
|
|
2015
Q1 | – | Sell |
-809,432
| Closed | -$6.79M | – | 734 |
|
|
2014
Q4 | $6.79M | Buy |
809,432
+115,182
| +17% | +$1.03M | 0.02% | 592 |
|
|
2014
Q3 | $6.92M | Buy |
+694,250
| New | +$6.95M | 0.02% | 584 |
|
Other funds holding KOS
EPIM
Adage Capital Partners's KOS Position: Q1 2026 in Review
Adage Capital Partners held its Kosmos Energy (KOS) position steady in Q1 2026 at 150,000 shares worth $417K. The position accounts for ﹤0.01% of the portfolio, ranked #886.
Adage Capital Partners first reported a position in KOS in Q3 2014 and has held it in 33 quarters since. The position peaked at $41.7M in Q3 2017. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.
- Adage Capital Partners held 150,000 shares of Kosmos Energy worth $417K as of Q1 2026.
- Adage Capital Partners left its Kosmos Energy share count unchanged in Q1 2026.
- Kosmos Energy made up ﹤0.01% of Adage Capital Partners's portfolio in Q1 2026, its #886 holding.
- Adage Capital Partners first reported a position in Kosmos Energy in Q3 2014 and has held it in 33 quarters since.
- Adage Capital Partners's Kosmos Energy position peaked at $41.7M in Q3 2017.
- 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.
Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.