518 hedge funds and large institutions have $6.56B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 82 funds opening new positions, 204 increasing their positions, 159 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less ownership

Funds ownership:

2% less funds holding

Funds holding: 527518 (-9)

15% less call options, than puts

Call options by funds: $66.1M | Put options by funds: $77.8M

16% less capital invested

Capital invested by funds: $7.82B → $6.56B (-$1.26B)

Holders
518
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$66.1M
Puts
$77.8M
Net Calls
Net Calls Change

Top Buyers

1 +$75.6M
2 +$48.9M
3 +$46.2M
4
BlackRock
BlackRock
New York
+$44.1M
5
Blackstone Inc
Blackstone Inc
New York
+$36.8M

Top Sellers

1 -$126M
2 -$61.6M
3 -$60M
4
Citadel Advisors
Citadel Advisors
Florida
-$57.6M
5
Invesco
Invesco
Georgia
-$40.1M
Name Holding Trade Value Shares
Change
Change in
Stake
226
$1.6M
227
$1.58M
228
$1.56M
229
$1.56M
230
$1.52M
231
$1.52M
232
$1.52M
233
$1.46M
234
$1.46M
235
$1.45M
236
$1.44M
237
$1.41M
238
$1.41M
239
$1.41M
240
$1.39M
241
$1.37M
242
$1.27M
243
$1.27M
244
$1.26M
245
$1.2M
246
$1.19M
247
$1.15M
248
$1.1M
249
$1.09M
250
$1.08M