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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $6.31B 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 $703.68M in its March 31, 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 $555.66M, representing an estimated loss of -21.04% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 51% 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
477
Total Reported Value
$6.31B
Largest Holder
Blackrock, Inc.
Largest Position
$703.68M
Insider Transactions (90d)
19
Latest Filing Quarter
Q2 2026
New Institutional Positions
80
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% | 11,137,651 | $703,676,790 | $555,657,408 | -$148,019,382 | -21.04% | |
| Vanguard Portfolio Management Llc | 0.03% | 8,464,400 | $534,780,792 | $422,288,916 | -$112,491,876 | -21.04% | |
| Dimensional Fund Advisors Lp | 0.09% | 6,948,104 | $439,009,910 | $346,640,909 | -$92,369,001 | -21.04% | |
| State Street Corp | 0.01% | 5,133,566 | $324,338,700 | $256,113,608 | -$68,225,092 | -21.04% | |
| Vanguard Capital Management Llc | 0.01% | 5,071,348 | $320,407,767 | $253,009,552 | -$67,398,215 | -21.04% | |
| Wellington Management Group Llp | 0.05% | 3,996,501 | $252,498,934 | $199,385,435 | -$53,113,499 | -21.04% | |
| Adage Capital Partners Gp, L.L.C. | 0.30% | 3,035,997 | $191,814,290 | $151,465,890 | -$40,348,400 | -21.04% | |
| Geode Capital Management, Llc | 0.01% | 2,329,020 | $147,192,627 | $116,194,808 | -$30,997,819 | -21.06% | |
| American Century Companies Inc | 0.07% | 2,215,459 | $139,972,755 | $110,529,250 | -$29,443,505 | -21.04% | |
| Morgan Stanley | 0.01% | 2,169,940 | $137,096,969 | $108,258,307 | -$28,838,662 | -21.04% | |
| Alliancebernstein L.P. | 0.04% | 2,657,208 | $112,771,908 | $132,568,107 | +$19,796,199 | +17.55% | |
| First Trust Advisors Lp | 0.07% | 1,595,415 | $100,798,319 | $79,595,254 | -$21,203,065 | -21.04% | |
| Aqr Capital Management Llc | 0.04% | 1,540,332 | $97,318,173 | $76,847,163 | -$20,471,010 | -21.04% | |
| Silvercrest Asset Management Group Llc | 0.64% | 1,399,066 | $88,393,248 | $69,799,403 | -$18,593,845 | -21.04% | |
| Cibc Bancorp Usa Inc. | 0.12% | 1,366,491 | $86,334,901 | $68,174,236 | -$18,160,665 | -21.04% | |
| Beck Mack & Oliver Llc | 1.77% | 1,358,532 | $85,832,073 | $67,777,161 | -$18,054,912 | -21.04% | |
| Nomura Asset Management International Inc. | 0.15% | 1,344,877 | $84,969,000 | $67,095,914 | -$17,873,086 | -21.03% | |
| Copeland Capital Management, Llc | 1.83% | 1,304,451 | $82,415,268 | $65,079,060 | -$17,336,208 | -21.04% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,275,706 | $80,599,105 | $63,644,972 | -$16,954,133 | -21.04% | |
| Invesco Ltd. | 0.01% | 1,265,558 | $79,957,954 | $63,138,689 | -$16,819,265 | -21.04% | |
| Driehaus Capital Management Llc | 0.55% | 1,189,054 | $75,124,432 | $59,321,904 | -$15,802,528 | -21.04% | |
| Bank Of New York Mellon Corp | 0.01% | 1,186,046 | $74,934,341 | $59,171,835 | -$15,762,506 | -21.04% | |
| Massachusetts Financial Services Co | 0.02% | 1,012,567 | $66,708,333 | $50,516,968 | -$16,191,365 | -24.27% | |
| Victory Capital Management Inc | 0.04% | 1,040,320 | $65,727,417 | $51,901,565 | -$13,825,852 | -21.04% | |
| Northern Trust Corp | 0.01% | 1,017,322 | $64,274,404 | $50,754,195 | -$13,520,209 | -21.04% | |
| Clearbridge Investments, Llc | 0.06% | 1,006,325 | $63,579,589 | $50,205,554 | -$13,374,035 | -21.04% | |
| Franklin Resources Inc | 0.02% | 997,261 | $63,006,943 | $49,753,351 | -$13,253,592 | -21.04% | |
| Nuveen, Llc | 0.02% | 934,707 | $59,054,788 | $46,632,532 | -$12,422,256 | -21.04% | |
| Sagefield Capital Lp | 4.03% | 887,071 | $56,045,146 | $44,255,972 | -$11,789,174 | -21.04% | |
| Fisher Asset Management, Llc | 0.02% | 830,292 | $52,457,877 | $41,423,268 | -$11,034,609 | -21.04% | |
| Frontier Capital Management Co Llc | 0.53% | 823,306 | $52,016,473 | $41,074,736 | -$10,941,737 | -21.04% | |
| Bank Of America Corp | 0.00% | 808,526 | $51,082,694 | $40,337,362 | -$10,745,332 | -21.04% | |
| Champlain Investment Partners, Llc | 0.60% | 744,805 | $47,056,780 | $37,158,321 | -$9,898,459 | -21.04% | |
| Vanguard Fiduciary Trust Co | 0.01% | 722,096 | $45,622,025 | $36,025,369 | -$9,596,656 | -21.04% | |
| William Blair Investment Management, Llc | 0.13% | 622,880 | $39,353,558 | $31,075,483 | -$8,278,075 | -21.04% | |
| Hodges Capital Management Inc. | 3.17% | 607,264 | $38,366,931 | $30,296,401 | -$8,070,530 | -21.04% | |
| Ubs Group Ag | 0.01% | 606,350 | $38,309,193 | $30,250,802 | -$8,058,392 | -21.04% | |
| Boston Trust Walden Corp | 0.27% | 705,982 | $35,143,784 | $35,221,442 | +$77,658 | +0.22% | |
| Fearnley Asset Management As | 10.63% | 514,700 | $32,518,746 | $25,678,383 | -$6,840,363 | -21.04% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 489,148 | $30,904,371 | $24,403,594 | -$6,500,777 | -21.04% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.05% | 462,549 | $29,223,846 | $23,076,570 | -$6,147,276 | -21.04% | |
| Goehring & Rozencwajg Associates, Llc | 1.55% | 457,894 | $28,929,743 | $22,844,332 | -$6,085,411 | -21.04% | |
| Allspring Global Investments Holdings, Llc | 0.05% | 460,080 | $27,908,452 | $22,953,391 | -$4,955,061 | -17.75% | |
| Royal Bank Of Canada | 0.00% | 410,339 | $25,926,000 | $20,471,813 | -$5,454,187 | -21.04% | |
| Timessquare Capital Management, Llc | 0.44% | 407,676 | $25,756,970 | $20,338,956 | -$5,418,014 | -21.04% | |
| Conestoga Capital Advisors, Llc | 0.55% | 503,990 | $25,088,622 | $25,144,061 | +$55,439 | +0.22% | |
| Yaupon Capital Management Lp | 1.22% | 389,909 | $24,634,451 | $19,452,560 | -$5,181,891 | -21.04% | |
| Sei Investments Co | 0.02% | 384,098 | $24,266,830 | $19,162,649 | -$5,104,181 | -21.03% | |
| Vaughan Nelson Investment Management, L.P. | 0.20% | 458,717 | $22,834,933 | $22,885,391 | +$50,458 | +0.22% | |
| Envestnet Asset Management Inc | 0.01% | 346,546 | $21,894,793 | $17,289,180 | -$4,605,613 | -21.04% |
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.