MATADOR RESOURCES CO (MTDR) Institutional Shareholders
MATADOR RESOURCES CO (MTDR) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.97B in MTDR holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of MTDR tracked by InsiderSet, reporting ownership valued at approximately $573.94M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $664.90M, representing an estimated gain of +15.85% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 47% of the total disclosed MTDR value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in MATADOR RESOURCES CO (MTDR).
This page ranks the largest institutional MTDR shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
478
Total Reported Value
$5.97B
Largest Holder
Blackrock, Inc.
Largest Position
$573.94M
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
47
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 11,529,447 | $573,935,871 | $664,903,208 | +$90,967,337 | +15.85% | |
| Vanguard Portfolio Management Llc | 0.02% | 8,132,644 | $404,843,018 | $469,009,579 | +$64,166,561 | +15.85% | |
| Dimensional Fund Advisors Lp | 0.06% | 7,087,531 | $352,815,533 | $408,737,913 | +$55,922,380 | +15.85% | |
| State Street Corp | 0.01% | 5,241,643 | $260,928,062 | $302,285,552 | +$41,357,490 | +15.85% | |
| Vanguard Capital Management Llc | 0.01% | 5,102,110 | $253,983,036 | $294,238,684 | +$40,255,648 | +15.85% | |
| Alliancebernstein L.P. | 0.07% | 3,205,864 | $202,546,488 | $184,882,177 | -$17,664,311 | -8.72% | |
| Lsv Asset Management | 0.36% | 4,023,693 | $200,299,000 | $232,046,375 | +$31,747,375 | +15.85% | |
| Wellington Management Group Llp | 0.03% | 3,995,579 | $198,899,924 | $230,425,041 | +$31,525,117 | +15.85% | |
| T. Rowe Price Investment Management, Inc. | 0.12% | 3,731,487 | $185,754,000 | $215,194,855 | +$29,440,855 | +15.85% | |
| Adage Capital Partners Gp, L.L.C. | 0.22% | 3,181,013 | $158,350,827 | $183,449,020 | +$25,098,193 | +15.85% | |
| Morgan Stanley | 0.01% | 2,919,921 | $145,353,774 | $168,391,844 | +$23,038,070 | +15.85% | |
| American Century Companies Inc | 0.06% | 2,755,452 | $137,166,438 | $158,906,917 | +$21,740,479 | +15.85% | |
| Geode Capital Management, Llc | 0.01% | 2,365,794 | $117,805,952 | $136,435,340 | +$18,629,388 | +15.81% | |
| Aqr Capital Management Llc | 0.02% | 1,428,172 | $71,094,392 | $82,362,679 | +$11,268,287 | +15.85% | |
| Gw&K Investment Management, Llc | 0.54% | 1,377,394 | $68,567,000 | $79,434,312 | +$10,867,312 | +15.85% | |
| Beck Mack & Oliver Llc | 1.32% | 1,358,125 | $67,607,469 | $78,323,069 | +$10,715,600 | +15.85% | |
| Silvercrest Asset Management Group Llc | 0.43% | 1,326,893 | $66,052,901 | $76,521,919 | +$10,469,018 | +15.85% | |
| Victory Capital Management Inc | 0.04% | 1,298,571 | $64,642,864 | $74,888,590 | +$10,245,726 | +15.85% | |
| Cibc Bancorp Usa Inc. | 0.08% | 1,287,421 | $64,087,818 | $74,245,569 | +$10,157,751 | +15.85% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,281,771 | $63,806,560 | $73,919,734 | +$10,113,174 | +15.85% | |
| Invesco Ltd. | 0.00% | 1,247,813 | $62,116,130 | $71,961,376 | +$9,845,246 | +15.85% | |
| Copeland Capital Management, Llc | 1.27% | 1,242,903 | $61,871,756 | $71,678,216 | +$9,806,460 | +15.85% | |
| Massachusetts Financial Services Co | 0.02% | 1,161,024 | $60,161,930 | $66,956,254 | +$6,794,324 | +11.29% | |
| Clearbridge Investments, Llc | 0.05% | 1,148,992 | $57,196,846 | $66,262,369 | +$9,065,523 | +15.85% | |
| Bank Of New York Mellon Corp | 0.01% | 1,128,184 | $56,160,975 | $65,062,371 | +$8,901,396 | +15.85% | |
| Ubs Group Ag | 0.01% | 1,126,474 | $56,075,876 | $64,963,756 | +$8,887,880 | +15.85% | |
| Nomura Asset Management International Inc. | 0.08% | 1,114,543 | $55,482,000 | $64,275,695 | +$8,793,695 | +15.85% | |
| Thrivent Financial For Lutherans | 0.09% | 1,093,961 | $54,458,000 | $63,088,731 | +$8,630,731 | +15.85% | |
| Northern Trust Corp | 0.01% | 1,033,821 | $51,463,610 | $59,620,457 | +$8,156,847 | +15.85% | |
| Marshall Wace, Llp | 0.04% | 891,834 | $44,395,498 | $51,432,067 | +$7,036,569 | +15.85% | |
| Nuveen, Llc | 0.01% | 882,261 | $43,918,954 | $50,879,992 | +$6,961,038 | +15.85% | |
| First Trust Advisors Lp | 0.02% | 853,425 | $42,483,496 | $49,217,020 | +$6,733,524 | +15.85% | |
| Bank Of America Corp | 0.00% | 847,418 | $42,184,469 | $48,870,596 | +$6,686,127 | +15.85% | |
| Value Holdings Management Co. Llc | 6.94% | 834,308 | $41,532,000 | $48,114,542 | +$6,582,542 | +15.85% | |
| Driehaus Capital Management Llc | 0.24% | 828,648 | $41,250,097 | $47,788,130 | +$6,538,033 | +15.85% | |
| Fisher Asset Management, Llc | 0.01% | 795,511 | $39,600,551 | $45,877,119 | +$6,276,568 | +15.85% | |
| Qube Research & Technologies Ltd | 0.04% | 765,922 | $38,127,597 | $44,170,722 | +$6,043,125 | +15.85% | |
| Champlain Investment Partners, Llc | 0.95% | 742,683 | $36,970,760 | $42,830,529 | +$5,859,769 | +15.85% | |
| Vanguard Fiduciary Trust Co | 0.01% | 736,643 | $36,670,089 | $42,482,202 | +$5,812,113 | +15.85% | |
| Boston Trust Walden Corp | 0.27% | 705,982 | $35,143,784 | $40,713,982 | +$5,570,198 | +15.85% | |
| Sagefield Capital Lp | 2.58% | 697,686 | $34,730,809 | $40,235,552 | +$5,504,743 | +15.85% | |
| Frontier Capital Management Co Llc | 0.30% | 652,633 | $32,488,071 | $37,637,345 | +$5,149,274 | +15.85% | |
| Segall Bryant & Hamill, Llc | 0.36% | 609,182 | $30,325,080 | $35,131,526 | +$4,806,446 | +15.85% | |
| Jpmorgan Chase & Co | 0.00% | 581,555 | $29,192,848 | $33,538,277 | +$4,345,429 | +14.89% | |
| Price T Rowe Associates Inc | 0.00% | 563,367 | $28,046,000 | $32,489,375 | +$4,443,375 | +15.84% | |
| Hodges Capital Management Inc. | 1.78% | 541,359 | $26,948,847 | $31,220,174 | +$4,271,327 | +15.85% | |
| Goldman Sachs Group Inc | 0.00% | 530,632 | $26,414,842 | $30,601,547 | +$4,186,705 | +15.85% | |
| Fearnley Asset Management As | 9.23% | 515,700 | $25,671,546 | $29,740,419 | +$4,068,873 | +15.85% | |
| Allspring Global Investments Holdings, Llc | 0.04% | 513,923 | $25,202,784 | $29,637,939 | +$4,435,155 | +17.60% | |
| Conestoga Capital Advisors, Llc | 0.55% | 503,990 | $25,088,622 | $29,065,103 | +$3,976,481 | +15.85% |
Frequently asked questions about MTDR
Who owns the most MTDR stock?
The largest holders of MTDR are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for MATADOR RESOURCES CO (MTDR).
Is MTDR widely held by superinvestors?
Many widely followed stocks like MTDR appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MTDR is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.