# MATADOR RES CO COM

MATADOR RES CO COM is a security (CUSIP 576485205) tracked across SEC portfolio filings. 512 institutional managers reported $6.2B on Form 13F as of 2026-06-30; 54 registered fund positions totaling $587.0M via N-PORT as of 2026-06-30.

## Summary

- Issuer: MATADOR RES CO
- Class: COM
- CUSIP: 576485205
- Asset category: EC
- 13F holders: 512
- 13F value: $6.2B
- 13F period: 2026-06-30
- N-PORT fund positions: 54
- N-PORT value: $587.0M
- N-PORT report: 2026-06-30

## Top institutional holders (Form 13F)

_Showing 15 of 512 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $703.7M | 11,137,651 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $626.5M | 14,761,769 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $439.0M | 6,948,104 |
| STATE STREET CORP | BOSTON, MA | $324.3M | 5,133,566 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $252.5M | 3,996,501 |
| [ADAGE CAPITAL PARTNERS GP, L.L.C.](https://search.stillhousedata.com/firm/160679) | Boston, MA | $191.8M | 3,035,997 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $147.2M | 2,329,020 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $140.0M | 2,215,459 |
| MORGAN STANLEY | NEW YORK, NY | $137.1M | 2,169,940 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $112.8M | 2,657,208 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $100.8M | 1,595,415 |
| [AQR CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/111883) | Greenwich, CT | $97.3M | 1,540,332 |
| [SILVERCREST ASSET MANAGEMENT GROUP LLC](https://search.stillhousedata.com/firm/118333) | NEW YORK, NY | $88.4M | 1,399,066 |
| CIBC Bancorp USA Inc. | CHICAGO, IL | $86.3M | 1,366,491 |
| BECK MACK & OLIVER LLC | NEW YORK, NY | $85.8M | 1,358,532 |

## Top fund holders (N-PORT)

_Showing 15 of 54 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $222.5M | 91.88% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $129.1M | 140.04% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $82.4M | 10.11% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $21.6M | 86.64% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $12.6M | 430.24% |
| [Baird Small/Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000063403) | Baird Funds Inc | $11.7M | 1527.29% |
| [Goehring & Rozencwajg Resources Fund](https://search.stillhousedata.com/fund/S000055275) | GOEHRING & ROZENCWAJG INVESTMENT FUNDS | $10.2M | 94.90% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $10.2M | 33.54% |
| [T. Rowe Price New Horizons Fund, Inc.](https://search.stillhousedata.com/fund/S000002106) | T. ROWE PRICE NEW HORIZONS FUND, INC. | $9.1M | 7.15% |
| [Boston Trust SMID Cap Fund](https://search.stillhousedata.com/fund/S000034664) | Boston Trust Walden Funds | $7.4M | 106.94% |
| [AB Small Cap Value Portfolio](https://search.stillhousedata.com/fund/S000045542) | AB CAP FUND, INC. | $7.4M | 124.26% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $4.5M | 17.60% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $4.4M | 1.20% |
| XAI Madison Equity Premium Income Fund | XAI Madison Equity Premium Income Fund | $4.1M | 304.92% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $4.0M | 0.68% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/576485205.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.