13F Insight
DOSSIER · 13F Holders · Q1 2026Energy · Crude Petroleum & Natural GasMega-capCrowded
MTDR

MATADOR RES CO

523 institutions still hold MATADOR RES CO as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 576485205·Crude Petroleum & Natural Gas·523 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.4%
vs prior quarter
13F value held
$4.1B
67.0% inst. owned
of float
Holders
523
+82 QoQ
filers reporting
Activity
+28 / −76
+868 added · −834 reduced
this quarter
Concentration
17.23%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

523 institutions reported MTDR in Q1 2026. BlackRock, Inc. leads at 17.2% of the visible book. +82 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$704M11.1M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121
$535M8.5M0.03%Q1 202603
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$439M6.9M0.09%Q1 202604
STATE STREET CORP
CIK 0000093751
$324M5.1M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$320M5.1M0.01%Q1 202606
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$252M4.0M0.05%Q1 202607
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$192M3.0M0.30%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$147M2.3M0.01%Q1 202609
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$140M2.2M0.07%Q1 202610
MORGAN STANLEY
CIK 0000895421
$137M2.2M0.01%Q1 202611
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$113M2.7M0.04%Q1 202612
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$101M1.6M0.07%Q1 202613
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$97M1.5M0.04%Q1 202614
SILVERCREST ASSET MANAGEMENT GROUP LLC
CIK 0001232395
$88M1.4M0.64%Q1 202615
CIBC Bancorp USA Inc.
CIK 0001711924
$86M1.4M0.12%Q1 202616
BECK MACK & OLIVER LLC
CIK 0000010742
$86M1.4M1.77%Q1 202617
Delaware Management Holdings, Inc.
CIK 0000921739
$85M1.3M0.15%Q1 202618
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$81M1.3M0.01%Q1 202619
Invesco Ltd.
CIK 0000914208
$80M1.3M0.01%Q1 202620
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 0000938206
$75M1.2M0.55%Q1 2026
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