MasTec
908 hedge funds and large institutions have $24.7B invested in MasTec in 2026 Q2 according to their latest regulatory filings, with 185 funds opening new positions, 324 increasing their positions, 294 reducing their positions, and 73 closing their positions.
153% more first-time investments, than exits
New positions opened: 185 | Existing positions closed: 73
73% more call options, than puts
Call options by funds: $611M | Put options by funds: $353M
32% more capital invested
Capital invested by funds: $18.6B → $24.7B (+$6.04B)
12% more funds holding
Funds holding: 809 → 908 (+99)
10% more repeat investments, than reductions
Existing positions increased: 324 | Existing positions reduced: 294
1.56% more ownership
Funds ownership: 73.55% → 75.11% (+1.6%)
29% less funds holding in top 10
Funds holding in top 10: 28 → 20 (-8)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JP Morgan Chase
New York
|
+$427M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$227M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
+$192M |
| 4 |
State Street
Boston,
Massachusetts
|
+$143M |
| 5 |
BlackRock
New York
|
+$126M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$176M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
-$146M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$107M |
| 4 |
NAMI
Nomura Asset Management International
Philadelphia,
Pennsylvania
|
-$107M |
| 5 |
Point72 Asset Management
Stamford,
Connecticut
|
-$106M |
MTZ Hedge Fund Activity: Q2 2026 in Review
908 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in MasTec (MTZ) for Q2 2026, worth a combined $24.7B — up 32% from $18.6B a quarter earlier.
Buyers outnumbered sellers: 185 funds opened new MTZ positions and 73 closed out — a net gain of 112 holders — while 324 added to existing stakes and 294 trimmed.
The largest buyer was JP Morgan Chase, adding an estimated $427M. The largest seller was Millennium Management, cutting an estimated $176M.
- 908 institutional investors held MasTec (MTZ) as of Q2 2026, up from 809 in Q1 2026.
- Funds reported $24.7B of MasTec stock for Q2 2026, up 32% quarter-over-quarter.
- 185 funds opened new MasTec positions in Q2 2026 and 73 closed out, a net change of +112 holders.
- The largest MasTec buyer in Q2 2026 was JP Morgan Chase, an estimated $427M added.
- The largest MasTec seller in Q2 2026 was Millennium Management, an estimated $176M sold.
Based on aggregated 13F filings for Q2 2026.