589 hedge funds and large institutions have $9.49B invested in MasTec in 2025 Q2 according to their latest regulatory filings, with 116 funds opening new positions, 203 increasing their positions, 187 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

9% more repeat investments, than reductions

Existing positions increased: 203 | Existing positions reduced: 187

0% more funds holding in top 10

Funds holding in top 10: 1414 (0)

0.25% less ownership

Funds ownership: 70.97%70.72% (-0.25%)

Holders
589
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
$122M
Puts
$65.8M
Net Calls
Net Calls Change

Top Buyers

1 +$99.3M
2 +$71M
3 +$57.5M
4
CC
Cartenna Capital
Connecticut
+$43.2M
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$42.4M
Name Holding Trade Value Shares
Change
Change in
Stake
401
$344K
402
$338K
403
$337K
404
$336K
405
$332K
406
$331K
407
$329K
408
$328K
409
$310K
410
$308K
411
$302K
412
$296K
413
$289K
414
$289K
415
$287K
416
$283K
417
$279K
418
$273K
419
$271K
420
$268K
421
$267K
422
$265K
423
$261K
424
$261K
425
$259K