Who Owns MasTec Inc (MTZ)? -- Institutional Holders (2026-06-30)
984 institutions reported holding $25.87B of MasTec Inc (MTZ) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($3.18B), VANGUARD GROUP INC ($2.55B), PECONIC PARTNERS LLC ($1.53B), STATE STREET CORP ($934.0M), Hill City Capital, LP ($896.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $3.18B | 7.6M | Added |
| 2 | VANGUARD GROUP INC | $2.55B | 6.1M | Added |
| 3 | PECONIC PARTNERS LLC | $1.53B | 3.7M | Added |
| 4 | STATE STREET CORP | $934.0M | 2.2M | Added |
| 5 | Hill City Capital, LP | $896.6M | 2.2M | Hold |
| 6 | JPMORGAN CHASE & CO | $566.8M | 1.3M | Added |
| 7 | LONE PINE CAPITAL LLC | $559.7M | 1.3M | Trimmed |
| 8 | BANK OF AMERICA CORP /DE/ | $555.8M | 1.3M | Added |
| 9 | FIRST TRUST ADVISORS LP | $552.7M | 1.3M | Trimmed |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $530.4M | 1.3M | Trimmed |
| 11 | Invesco Ltd. | $516.5M | 1.2M | Added |
| 12 | VICTORY CAPITAL MANAGEMENT INC | $503.5M | 1.2M | Trimmed |
| 13 | Hood River Capital Management LLC | $488.4M | 1.2M | Trimmed |
| 14 | FMR LLC | $370.3M | 890,103 | Added |
| 15 | AMERIPRISE FINANCIAL INC | $305.8M | 734,976 | Added |
| 16 | Bank of New York Mellon Corp | $280.5M | 674,288 | Added |
| 17 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $274.8M | 660,440 | Added |
| 18 | AQR CAPITAL MANAGEMENT LLC | $273.6M | 657,603 | Trimmed |
| 19 | MORGAN STANLEY | $271.9M | 653,503 | Added |
| 20 | DIMENSIONAL FUND ADVISORS LP | $264.8M | 636,286 | Trimmed |
| 21 | Electron Capital Partners, LLC | $258.0M | 620,190 | Trimmed |
| 22 | CANADA PENSION PLAN INVESTMENT BOARD | $257.9M | 619,910 | Trimmed |
| 23 | T. Rowe Price Investment Management, Inc. | $247.0M | 593,724 | New |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $229.4M | 551,319 | Added |
| 25 | Sixth Street Partners Management Company, L.P. | $229.4M | 551,319 | New |
Source: SEC Form 13F filings · as of 2026-06-30