DOSSIER · 13F Holders · Q2 2026Energy · Crude Petroleum & Natural Gas
MTDR

MATADOR RES CO

522 institutions still hold MATADOR RES CO as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 576485205·Crude Petroleum & Natural Gas·522 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$3.7B
visible holders
Holders
522
filers reporting
Concentration
15.50%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

522 institutions reported MTDR in Q2 2026. BlackRock, Inc. leads at 15.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$574M11.5M0.01%Q2 2026
02
Vanguard Portfolio Management
CIK 0002100121· Index
$405M8.1M0.02%Q2 2026
03
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$353M7.1M0.06%Q2 2026
04
STATE STREET CORP
CIK 0000093751
$261M5.2M0.01%Q2 2026
05
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$254M5.1M0.01%Q2 2026
06
LSV ASSET MANAGEMENT
CIK 0001050470
$243M3.8M0.52%Q1 2026
07
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$237M3.7M0.16%Q1 2026
08
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$199M4.0M0.03%Q2 2026
09
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$158M3.2M0.22%Q2 2026
10
MORGAN STANLEY
CIK 0000895421
$145M2.9M0.01%Q2 2026
11
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$137M2.8M0.06%Q2 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$118M2.4M0.01%Q2 2026
13
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$113M2.7M0.04%Q1 2026
14
GW&K Investment Management, LLC
CIK 0001082917
$98M1.6M0.87%Q1 2026
15
THRIVENT FINANCIAL FOR LUTHERANS
CIK 0000314984
$73M1.2M0.14%Q1 2026
16
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$71M1.4M0.02%Q2 2026
17
BECK MACK & OLIVER LLC
CIK 0000010742
$68M1.4M1.32%Q2 2026
18
SILVERCREST ASSET MANAGEMENT GROUP LLC
CIK 0001232395
$66M1.3M0.43%Q2 2026
19
VICTORY CAPITAL MANAGEMENT INC
CIK 0001040188
$65M1.3M0.04%Q2 2026
20
CIBC Bancorp USA Inc.
CIK 0001711924
$64M1.3M0.08%Q2 2026
Page 1 of 27
502 more holders available. Log in →
Insiders at MATADOR RES CO
Calvert Christopher PForan Joseph WmElsener William ThomasStewart Kenneth L.Baty Robert GainesByerley William MEhrman Monika UHarvey Paul W