Boston 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 | $13.3M | Buy |
+4,756,571
| New | +$8.94M | 0.01% | 414 |
|
|
2025
Q1 | – | Sell |
-661,121
| Closed | -$2.26M | – | 739 |
|
|
2024
Q4 | $2.26M | Sell |
661,121
-4,362,832
| -87% | -$16.6M | ﹤0.01% | 481 |
|
|
2024
Q3 | $20.4M | Sell |
5,023,953
-1,969,188
| -28% | -$9.59M | 0.02% | 331 |
|
|
2024
Q2 | $38.8M | Buy |
6,993,141
+1,182,123
| +20% | +$6.89M | 0.05% | 259 |
|
|
2024
Q1 | $34.6M | Buy |
5,811,018
+1,405,359
| +32% | +$8.45M | 0.04% | 276 |
|
|
2023
Q4 | $29.3M | Sell |
4,405,659
-3,041,396
| -41% | -$21.3M | 0.04% | 288 |
|
|
2023
Q3 | $60.1M | Sell |
7,447,055
-110,052
| -1% | -$780K | 0.08% | 232 |
|
|
2023
Q2 | $46.5M | Buy |
7,557,107
+336
| +0% | +$2.19K | 0.06% | 240 |
|
|
2023
Q1 | $55.1M | Buy |
7,556,771
+311,603
| +4% | +$2.28M | 0.08% | 218 |
|
|
2022
Q4 | $47.5M | Buy |
7,245,168
+161,092
| +2% | +$1.01M | 0.06% | 219 |
|
|
2022
Q3 | $38.1M | Sell |
7,084,076
-4,703
| -0.1% | -$28.5K | 0.06% | 238 |
|
|
2022
Q2 | $43.8M | Sell |
7,088,779
-3,770,904
| -35% | -$27.2M | 0.06% | 232 |
|
|
2022
Q1 | $78.8M | Sell |
10,859,683
-484,884
| -4% | -$2.47M | 0.1% | 210 |
|
|
2021
Q4 | $40.5M | Buy |
11,344,567
+365,502
| +3% | +$1.31M | 0.05% | 263 |
|
|
2021
Q3 | $32.6M | Sell |
10,979,065
-72,274
| -0.7% | -$176K | 0.04% | 290 |
|
|
2021
Q2 | $37.5M | Buy |
11,051,339
+517,693
| +5% | +$1.6M | 0.05% | 282 |
|
|
2021
Q1 | $31.8M | Buy |
+10,533,646
| New | +$30.7M | 0.04% | 293 |
|
|
2020
Q4 | – | Sell |
-420,533
| Closed | -$410K | – | 656 |
|
|
2020
Q3 | $410K | Buy |
420,533
+10,966
| +3% | +$16.1K | ﹤0.01% | 618 |
|
|
2020
Q2 | $680K | Sell |
409,567
-16,381,910
| -98% | -$26.3M | ﹤0.01% | 578 |
|
|
2020
Q1 | $14.9M | Buy |
16,791,477
+8,393,522
| +100% | +$33.4M | 0.03% | 306 |
|
|
2019
Q4 | $47.8M | Sell |
8,397,955
-155,529
| -2% | -$938K | 0.06% | 250 |
|
|
2019
Q3 | $53.4M | Buy |
8,553,484
+1,751,459
| +26% | +$10.8M | 0.07% | 241 |
|
|
2019
Q2 | $42.5M | Buy |
6,802,025
+679,681
| +11% | +$4.34M | 0.06% | 254 |
|
|
2019
Q1 | $38.1M | Sell |
6,122,344
-653,897
| -10% | -$3.63M | 0.05% | 261 |
|
|
2018
Q4 | $27.6M | Buy |
6,776,241
+2,628,650
| +63% | +$16.2M | 0.04% | 281 |
|
|
2018
Q3 | $38.8M | Buy |
4,147,591
+1,250,492
| +43% | +$10.6M | 0.05% | 268 |
|
|
2018
Q2 | $24M | Sell |
2,897,099
-187,802
| -6% | -$1.37M | 0.03% | 317 |
|
|
2018
Q1 | $19.4M | Sell |
3,084,901
-1,689,525
| -35% | -$10.6M | 0.02% | 328 |
|
|
2017
Q4 | $32.7M | Sell |
4,774,426
-1,150,154
| -19% | -$8.76M | 0.04% | 282 |
|
|
2017
Q3 | $47.2M | Buy |
5,924,580
+34,407
| +0.6% | +$238K | 0.06% | 241 |
|
|
2017
Q2 | $37.8M | Sell |
5,890,173
-3,168,926
| -35% | -$20.1M | 0.05% | 261 |
|
|
2017
Q1 | $60.3M | Buy |
9,059,099
+5,475,789
| +153% | +$34.4M | 0.08% | 216 |
|
|
2016
Q4 | $25.1M | Buy |
3,583,310
+267,853
| +8% | +$1.52M | 0.03% | 300 |
|
|
2016
Q3 | $21.3M | Buy |
3,315,457
+65,151
| +2% | +$380K | 0.03% | 308 |
|
|
2016
Q2 | $17.7M | Sell |
3,250,306
-2,190,101
| -40% | -$12.4M | 0.03% | 320 |
|
|
2016
Q1 | $31.7M | Sell |
5,440,407
-980,436
| -15% | -$4.64M | 0.05% | 256 |
|
|
2015
Q4 | $33.4M | Buy |
6,420,843
+472,078
| +8% | +$3.13M | 0.05% | 243 |
|
|
2015
Q3 | $33.2M | Buy |
5,948,765
+44,934
| +0.8% | +$311K | 0.05% | 234 |
|
|
2015
Q2 | $49.8M | Buy |
5,903,831
+985,428
| +20% | +$8.77M | 0.07% | 212 |
|
|
2015
Q1 | $38.9M | Buy |
4,918,403
+74,711
| +2% | +$627K | 0.06% | 228 |
|
|
2014
Q4 | $40.6M | Buy |
4,843,692
+145,101
| +3% | +$1.29M | 0.06% | 221 |
|
|
2014
Q3 | $46.8M | Buy |
4,698,591
+364,596
| +8% | +$3.65M | 0.08% | 205 |
|
|
2014
Q2 | $48.7M | Buy |
4,333,995
+271,979
| +7% | +$2.91M | 0.08% | 202 |
|
|
2014
Q1 | $44.7M | Buy |
4,062,016
+809,947
| +25% | +$8.69M | 0.08% | 204 |
|
|
2013
Q4 | $36.4M | Buy |
3,252,069
+716,074
| +28% | +$7.66M | 0.07% | 211 |
|
|
2013
Q3 | $26.1M | Buy |
2,535,995
+594,758
| +31% | +$6.23M | 0.06% | 233 |
|
|
2013
Q2 | $19.7M | Buy |
+1,941,237
| New | +$21M | 0.05% | 235 |
|
Other funds holding KOS
EPIM
Boston Partners's KOS Position: Q1 2026 in Review
Boston Partners opened a new position in Kosmos Energy (KOS) in Q1 2026: 4,756,571 shares worth $13.3M. The stake represents 0.01% of the portfolio and ranks #414 among its holdings. This is a return to the name: Boston Partners previously reported a position in KOS as recently as Q4 2024.
Boston Partners first reported a position in KOS in Q2 2013 and has held it in 47 quarters since. The position peaked at $78.8M in Q1 2022. 262 funds tracked by Wall St. Rank hold KOS as of Q1 2026.
- Boston Partners held 4,756,571 shares of Kosmos Energy worth $13.3M as of Q1 2026.
- Kosmos Energy was a new Boston Partners position in Q1 2026.
- Kosmos Energy made up 0.01% of Boston Partners's portfolio in Q1 2026, its #414 holding.
- Boston Partners first reported a position in Kosmos Energy in Q2 2013 and has held it in 47 quarters since.
- Boston Partners's Kosmos Energy position peaked at $78.8M in Q1 2022.
- 262 funds tracked by Wall St. Rank held Kosmos Energy as of Q1 2026.
Based on Boston Partners's 13F filing for Q1 2026, filed 11 May 2026.