WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in MTDR — Matador Resources Co
CIK 1644956
CHICAGO, IL
Position in MTDR
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$24,521,428
-$14,832,130 QoQ
Shares Held
492,596
-20.9% QoQ
Ownership
0.398%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#52
of 489 holders
Holding Since
Jun 2021
18 quarters on record
Voting authority
Sole 62%
Shared 0%
None 38%
Common Shares in MTDR Over Time
Shares Held
Position Value (USD)
Position in Oil & Gas E&P
Energy · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $318,250,132 across 8 Oil & Gas E&P names. MTDR ranks #5 (7.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CNQ |
CANADIAN NATURAL RESOURCES Ltd
|
3,635,082 | $143,585,739 | |
| 2 | VIST |
Vista Energy, S.A.B. de C.V.
|
1,245,598 | $79,469,152 | |
| 3 | BKV |
BKV Corp
|
1,194,790 | $32,689,454 | |
| 4 | GPOR |
Gulfport Energy Corp
|
156,661 | $26,585,371 | |
| 5 | MTDR |
Matador Resources Co
This page
|
492,596 | $24,521,428 | |
| 6 | AR |
ANTERO RESOURCES Corp
|
308,622 | $10,844,977 | |
| 7 | EXE |
EXPAND ENERGY Corp
|
3,168 | $288,889 | |
| 8 | PR |
Permian Resources Corp
|
14,401 | $265,122 |
All Filings in MTDR
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $24,521,428 | 492,596 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $39,353,558 | 622,880 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $17,668,111 | 416,308 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $20,663,576 | 459,906 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $23,271,851 | 487,675 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $27,018,333 | 528,838 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $31,005,223 | 551,106 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $26,679,387 | 539,850 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $33,148,208 | 556,178 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $37,205,712 | 557,222 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $31,737,489 | 558,169 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $33,719,866 | 566,911 | Shares | Sole | 2023-11-09 | |
| 2022-09-30 | $46,161,205 | 943,606 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $53,062,096 | 1,138,916 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $71,855,873 | 1,356,283 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $50,671,813 | 1,372,476 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $80,349,419 | 2,112,235 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $153,762 | 4,270 | Shares | Sole | 2021-08-12 | |
| No filing history on record for this holder in this stock. | ||||||