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523 hedge funds and large institutions have $6.57B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 204 increasing their positions, 162 reducing their positions, and 85 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 funds holding

Funds holding:

1.42% less ownership

Funds ownership: 72.53%71.11% (-1.4%)

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 → $6.57B (-$1.26B)

Holders
523
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 +$87.5M
2 +$56.5M
3 +$53.4M
4
BlackRock
BlackRock
New York
+$51M
5
Blackstone Inc
Blackstone Inc
New York
+$42.5M

Top Sellers

1 -$146M
2 -$71.3M
3 -$69.3M
4
Citadel Advisors
Citadel Advisors
Florida
-$66.6M
5
Invesco
Invesco
Georgia
-$46.3M
Name Holding Trade Value Shares
Change
Change in
Stake
351
$307K
352
$306K
353
$297K
354
$297K
355
$286K
356
$281K
357
$280K
358
$279K
359
$278K
360
$275K
361
$270K
362
$268K
363
$265K
364
$263K
365
$263K
366
$256K
367
$252K
368
$248K
369
$245K
370
$237K
371
$236K
372
$235K
373
$232K
374
$230K
375
$228K