Position in KOS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$13,223,267
+$10,962,234 QoQ
Shares Held
4,756,571
+619.5% QoQ
Ownership
0.802%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
20 quarters on record
Voting authority
Sole 93%
Shared 0%
None 7%
Common Shares in KOS Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas E&P
Energy · as of Mar 31, 2026Boston Partners holds $3,559,374,908 across 12 Oil & Gas E&P names. KOS ranks #8 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | FANG |
Diamondback Energy, Inc.
|
5,766,947 | $1,140,644,445 | |
| 2 | COP |
Conocophillips
|
6,766,816 | $893,219,712 | |
| 3 | RRC |
Range Resources Corp
|
11,987,550 | $541,597,507 | |
| 4 | PR |
Permian Resources Corp
|
18,641,778 | $397,442,705 | |
| 5 | CNQ |
CANADIAN NATURAL RESOURCES Ltd
|
5,422,643 | $264,245,392 | |
| 6 | EQT |
EQT Corp
|
3,793,195 | $241,398,928 | |
| 7 | BKV |
BKV Corp
|
2,207,185 | $62,948,916 | |
| 8 | KOS |
Kosmos Energy Ltd.
This page
|
4,756,571 | $13,223,267 |
All Filings in KOS
Export CSV
20 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $13,223,267 | 4,756,571 | Shares | Defined | 2026-05-11 | |
| 2024-12-31 | $2,261,033 | 661,121 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $20,246,529 | 5,023,953 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $38,742,001 | 6,993,141 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $34,633,665 | 5,811,018 | Shares | Defined | 2024-05-28 | |
| 2023-12-31 | $29,561,970 | 4,405,659 | Shares | Other | 2024-02-07 | |
| 2023-09-30 | $60,916,908 | 7,447,055 | Shares | Defined | 2023-11-08 | |
| 2023-06-30 | $45,267,069 | 7,557,107 | Shares | Other | 2023-08-10 | |
| 2023-03-31 | $56,222,374 | 7,556,771 | Shares | Defined | 2023-05-09 | |
| 2022-12-31 | $46,079,266 | 7,245,168 | Shares | Other | 2023-02-08 | |
| 2022-09-30 | $36,624,670 | 7,084,076 | Shares | Defined | 2022-11-09 | |
| 2022-06-30 | $43,879,541 | 7,088,779 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $78,081,119 | 10,859,683 | Shares | Defined | 2022-05-10 | |
| 2021-12-31 | $39,252,200 | 11,344,567 | Shares | Other | 2022-02-04 | |
| 2021-09-30 | $32,498,031 | 10,979,065 | Shares | Defined | 2021-11-05 | |
| 2021-06-30 | $38,237,631 | 11,051,339 | Shares | Other | 2021-08-12 | |
| 2021-03-31 | $32,338,292 | 10,533,646 | Shares | Defined | 2021-05-10 | |
| 2020-09-30 | $412,122 | 420,533 | Shares | Defined | 2020-11-13 | |
| 2020-06-30 | $679,881 | 409,567 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $15,112,328 | 16,791,477 | Shares | Defined | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||