Institutional Ownership
Mastec Inc
CUSIP 576323109COMMTZQ1 2026
Institutional Holders
788
13F filers
Shares Held
51.70M
Aggregate institutional
Institutional Value
$16.18B
Q1 2026
Net New Holders
+105
166 new · 61 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions166
Increased248
Decreased261
Sold out61
Institutional Holders
788 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | 7.31M | $2.35B | +198.4K | Added |
| 2 | Peconic Partners LLC | 3.58M | $1.15B | +1.98M | Added |
| 3 | Hill City Capital, LP | 2.15M | $693.35M | 0 | Held |
| 4 | State Street Corp | 1.87M | $601.59M | +43.4K | Added |
| 5 | Victory Capital Management Inc | 1.59M | $512.38M | −1.04M | Reduced |
| 6 | Lone Pine Capital LLC | 1.53M | $492.60M | +1.53M | New |
| 7 | First Trust Advisors LP | 1.41M | $454.16M | +100.2K | Added |
| 8 | Geode Capital Management, LLC | 1.37M | $441.49M | +151.2K | Added |
| 9 | Bank Of America Corp /De/ | 1.33M | $427.94M | +75.1K | Added |
| 10 | Hood River Capital Management LLC | 1.30M | $416.78M | −188.3K | Reduced |
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