Skip to main content

GW&K Investment Management, LLC

Position in MTDR — Matador Resources Co

CIK 1082917 BOSTON, MA

Position in MTDR

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$68,566,673
-$29,903,400 QoQ
Shares Held
1,377,394
-11.6% QoQ
Ownership
1.11%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
#15
of 492 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 94% Shared 6% None 0%

Common Shares in MTDR Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas E&P

Energy · as of Jun 30, 2026

GW&K Investment Management, LLC holds $305,802,635 across 20 Oil & Gas E&P names. MTDR ranks #2 (22.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MTDR
Matador Resources Co
This page
1,377,394 $68,566,673

All Filings in MTDR

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $68,566,673 1,377,394
2026-03-31 $98,470,073 1,558,564
2025-12-31 $66,695,647 1,571,528
2025-09-30 $70,376,105 1,566,350
2025-06-30 $80,452,960 1,685,938
2025-03-31 $89,500,942 1,751,829
2024-12-31 $99,466,835 1,767,985
2024-09-30 $93,531,747 1,892,589
2024-06-30 $105,265,281 1,766,196
2024-03-31 $118,097,167 1,768,716
2023-12-31 $111,273,086 1,956,966
2023-09-30 $122,734,243 2,063,454
2023-06-30 $109,128,270 2,085,785
2023-03-31 $99,965,648 2,097,915
2022-12-31 $76,059,652 1,328,785
2022-09-30 $65,838,247 1,345,835
2022-06-30 $65,525,712 1,406,433
2022-03-31 $65,090,432 1,228,585
2021-12-31 $42,820,406 1,159,816
2021-09-30 $44,909,680 1,180,591
2021-06-30 $33,174,067 921,246
2021-03-31 $4,109,542 175,247
2020-12-31 $2,391,341 198,287
2020-09-30 $660 80
2020-06-30 $680 80
2020-03-31 $3,920 1,581