MASTEC INC COM is a security (CUSIP 576323109) tracked across SEC portfolio filings. 883 institutional managers reported $17.9B on Form 13F as of 2026-06-30; 55 registered fund positions totaling $1.2B via N-PORT as of 2026-05-31.
Showing 15 of 883 managers by value.
| Manager | Location | Value | Shares |
|---|---|---|---|
| BlackRock, Inc. | New York, NY | $2.4B | 7,309,609 |
| VANGUARD GROUP INC | Valley Forge, PA | $1.3B | 5,932,754 |
| PECONIC PARTNERS LLC | NEW YORK, NY | $1.2B | 3,578,431 |
| Hill City Capital, LP | BOSTON, MA | $693.3M | 2,155,000 |
| STATE STREET CORP | BOSTON, MA | $601.6M | 1,869,788 |
| VICTORY CAPITAL MANAGEMENT INC | San Antonio, TX | $512.4M | 1,592,523 |
| LONE PINE CAPITAL LLC | Greenwich, CT | $492.6M | 1,531,050 |
| FIRST TRUST ADVISORS LP | Wheaton, IL | $454.2M | 1,411,584 |
| GEODE CAPITAL MANAGEMENT, LLC | BOSTON, MA | $441.5M | 1,371,909 |
| BANK OF AMERICA CORP /DE/ | CHARLOTTE, NC | $427.9M | 1,330,066 |
| Hood River Capital Management LLC | PALM BEACH GARDENS, FL | $416.8M | 1,295,385 |
| Bank of New York Mellon Corp | NEW YORK, NY | $280.5M | 674,288 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $235.3M | 731,650 |
| Electron Capital Partners, LLC | NEW YORK, NY | $229.4M | 713,013 |
| NORDEA INVESTMENT MANAGEMENT AB | STOCKHOLM, V7 | $225.5M | 529,463 |
Showing 15 of 55 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 | $595.0M | 245.68% |
| VANGUARD EXTENDED MARKET INDEX FUND | VANGUARD INDEX FUNDS | $220.2M | 27.02% |
| Fidelity Trend Fund | Fidelity Trend Fund | $46.4M | 112.08% |
| Columbia Acorn Fund | COLUMBIA ACORN TRUST | $42.2M | 187.96% |
| VANGUARD STRATEGIC EQUITY FUND | VANGUARD HORIZON FUNDS | $37.9M | 37.48% |
| LORD ABBETT DEVELOPING GROWTH FUND INC | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $34.9M | 157.29% |
| PGIM Jennison Natural Resources Fund | Prudential Jennison Natural Resources Fund, Inc. | $34.3M | 341.29% |
| NXG NextGen Infrastructure Income Fund | NXG NextGen Infrastructure Income Fund | $21.9M | 475.45% |
| Columbia Mid Cap Index Fund | COLUMBIA FUNDS SERIES TRUST | $16.6M | 65.24% |
| FPA Queens Road Small Cap Value Fund | Bragg Capital Trust | $15.9M | 329.25% |
| Tortoise Energy Infrastructure Corp | Tortoise Energy Infrastructure Corp | $12.8M | 129.33% |
| Large Cap Index Master Portfolio | Master Investment Portfolio | $11.8M | 3.26% |
| VANGUARD BALANCED INDEX FUND | VANGUARD VALLEY FORGE FUNDS | $11.5M | 1.95% |
| BNY Mellon Midcap Index Fund, Inc. | BNY MELLON MIDCAP INDEX FUND, INC. | $9.7M | 70.14% |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND | VANGUARD INSTITUTIONAL INDEX FUNDS | $9.7M | 3.22% |