MATADOR RES CO (MTDR): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in MTDR · Energy. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
24
13F filers
Aggregate Value
$481.4M
Across holders
Last Price
$57.50
2026-08-24
Sector
Energy
GICS
Quarterly fund activity14 increased9 reduced1 exited
Full exits: Ancora Advisors, LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| ADAGE CAPITAL PARTNERS GP, L.L.C. CIK 0001165408 | Hedge Fund | 3.18M | $158.4M | 32.9% | 0.2% | Added | +$7.2M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 1.43M | $71.1M | 14.8% | 0.0% | Reduced | +$70.9M | Q2 2026 |
| Clearbridge Investments, LLC CIK 0001348883 | Hedge Fund | 1.15M | $57.2M | 11.9% | 0.0% | Added | +$7.1M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 892K | $44.4M | 9.2% | 0.0% | Added | +$25.6M | Q2 2026 |
| Fisher Asset Management, LLC CIK 0000850529 | Institutional Manager | 796K | $39.6M | 8.2% | 0.0% | Reduced | $-1.7M | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 766K | $38.1M | 7.9% | 0.0% | Added | +$35.5M | Q2 2026 |
| BALYASNY ASSET MANAGEMENT LLC CIK 0001218710 | Hedge Fund | 307K | $15.3M | 3.2% | 0.0% | Added | +$13.8M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 273K | $13.6M | 2.8% | 0.0% | Reduced | $-10.8M | Q2 2026 |
| Verition Fund Management LLC CIK 0001454027 | Hedge Fund | 146K | $7.3M | 1.5% | 0.0% | Reduced | $-1.4M | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 138K | $6.9M | 1.4% | 0.0% | Reduced | $-203K | Q2 2026 |
Added
Hedge Fund
$158.4M· 32.9% of total· 0.2% port· 3.18M sh· +$7.2M QoQ· Q2 2026
Reduced
Hedge Fund
$71.1M· 14.8% of total· 0.0% port· 1.43M sh· +$70.9M QoQ· Q2 2026
Added
Hedge Fund
$57.2M· 11.9% of total· 0.0% port· 1.15M sh· +$7.1M QoQ· Q2 2026
Added
Hedge Fund
$44.4M· 9.2% of total· 0.0% port· 892K sh· +$25.6M QoQ· Q2 2026
Reduced
Institutional Manager
$39.6M· 8.2% of total· 0.0% port· 796K sh· $-1.7M QoQ· Q2 2026
Added
Hedge Fund
$38.1M· 7.9% of total· 0.0% port· 766K sh· +$35.5M QoQ· Q2 2026
Added
Hedge Fund
$15.3M· 3.2% of total· 0.0% port· 307K sh· +$13.8M QoQ· Q2 2026
Reduced
Hedge Fund
$13.6M· 2.8% of total· 0.0% port· 273K sh· $-10.8M QoQ· Q2 2026
Reduced
Hedge Fund
$7.3M· 1.5% of total· 0.0% port· 146K sh· $-1.4M QoQ· Q2 2026
Reduced
Hedge Fund
$6.9M· 1.4% of total· 0.0% port· 138K sh· $-203K QoQ· Q2 2026
Added
Hedge Fund
$6.8M· 1.4% of total· 0.0% port· 136K sh· — QoQ· Q2 2026
Added
Institutional Manager
$6.7M· 1.4% of total· 0.0% port· 135K sh· +$3.8M QoQ· Q2 2026
Added
Hedge Fund
$3.3M· 0.7% of total· 0.0% port· 67K sh· +$2.1M QoQ· Q2 2026
Added
Hedge Fund
$3.1M· 0.7% of total· 0.1% port· 63K sh· — QoQ· Q2 2026
Added
Institutional Manager
$1.9M· 0.4% of total· 0.1% port· 38K sh· +$479K QoQ· Q2 2026
Added
Hedge Fund
$1.6M· 0.3% of total· 0.2% port· 32K sh· — QoQ· Q2 2026
Added
Institutional Manager
$1.5M· 0.3% of total· 0.0% port· 30K sh· — QoQ· Q2 2026
Unchanged
Hedge Fund
$1.5M· 0.3% of total· 0.0% port· 30K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$1.3M· 0.3% of total· 0.0% port· 26K sh· — QoQ· Q2 2026
Added
Hedge Fund
$479K· 0.1% of total· 0.0% port· 10K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$432K· 0.1% of total· 0.0% port· 9K sh· $-568K QoQ· Q2 2026
Reduced
Hedge Fund
$350K· 0.1% of total· 0.0% port· 7K sh· $-365K QoQ· Q2 2026
Reduced
Hedge Fund
$349K· 0.1% of total· 0.0% port· 7K sh· $-915K QoQ· Q2 2026
Reduced
Hedge Fund
$316K· 0.1% of total· 0.0% port· 6K sh· $-809K QoQ· Q2 2026
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