MasTec
796 hedge funds and large institutions have $18.6B invested in MasTec in 2026 Q1 according to their latest regulatory filings, with 180 funds opening new positions, 249 increasing their positions, 261 reducing their positions, and 64 closing their positions.
New
Increased
Maintained
Reduced
Closed
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding in top 10
Funds holding in top 10: →
more capital invested
Capital invested by funds: $ → $
more call options, than puts
Call options by funds: $ | Put options by funds: $
15% more funds holding
Funds holding: 692 → 796 (+104)
0.81% less ownership
Funds ownership: 74.3% → 73.49% (-0.81%)
5% less repeat investments, than reductions
Existing positions increased: 249 | Existing positions reduced: 261
Holders
796
Holding in Top 10
28
Calls
$225M
Puts
$177M
Top Buyers
| 1 | +$536M | |
| 2 | +$415M | |
| 3 | +$132M | |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$70M |
| 5 |
Westfield Capital Management
Boston,
Massachusetts
|
+$67.7M |
Top Sellers
| 1 | -$283M | |
| 2 | -$164M | |
| 3 | -$162M | |
| 4 |
Nordea Investment Management
Stockholm,
Sweden
|
-$113M |
| 5 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$93.7M |