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651 hedge funds and large institutions have $12.2B invested in MasTec in 2025 Q3 according to their latest regulatory filings, with 139 funds opening new positions, 203 increasing their positions, 224 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 73

29% more funds holding in top 10

Funds holding in top 10: 1418 (+4)

28% more capital invested

Capital invested by funds: $9.5B → $12.2B (+$2.67B)

10% more funds holding

Funds holding: 591651 (+60)

1.77% more ownership

Funds ownership: 70.8%72.57% (+1.8%)

4% less call options, than puts

Call options by funds: $116M | Put options by funds: $121M

9% less repeat investments, than reductions

Existing positions increased: 203 | Existing positions reduced: 224

Holders
651
Holders Change
+60
Holders Change %
+10.15%
% of All Funds
8.54%
Holding in Top 10
18
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+28.57%
% of All Funds
0.24%
New
139
Increased
203
Reduced
224
Closed
73
Calls
$116M
Puts
$121M
Net Calls
-$5.1M
Net Calls Change
-$61.3M
Name Holding Trade Value Shares
Change
Change in
Stake
WWA
651
Wealth Watch Advisors
Colorado
$213 +$183 +1 New
CC
652
Cartenna Capital
Connecticut
-$51.1M -300,000 Closed
Toronto Dominion Bank
653
Toronto Dominion Bank
Ontario, Canada
-$21.3M -125,097 Closed
AAM
654
ACK Asset Management
Connecticut
-$21.3M -125,000 Closed
Marshall Wace
655
Marshall Wace
United Kingdom
-$13.5M -79,456 Closed
Norges Bank
656
Norges Bank
Norway
-$12.5M -73,355 Closed
Temasek Holdings
657
Temasek Holdings
Singapore
-$12.1M -70,988 Closed
Renaissance Technologies
658
Renaissance Technologies
New York
-$11.3M -66,323 Closed
Tudor Investment Corp
659
Tudor Investment Corp
Connecticut
-$11.8M -64,366 Closed
HF
660
HRT Financial
New York
-$9.59M -56,254 Closed
CC
661
Covalis Capital
United Kingdom
-$9.46M -55,517 Closed
PAM
662
Panagora Asset Management
Massachusetts
-$9.4M -55,166 Closed
PE
663
Point72 Europe
United Kingdom
-$9.27M -54,417 Closed
SCM
664
SG Capital Management
Illinois
-$8.52M -50,012 Closed
BCC
665
Bridge City Capital
Oregon
-$8.41M -49,357 Closed
AWAM
666
Appian Way Asset Management
New York
-$5.48M -32,147 Closed
BA
667
Bridgewater Associates
Connecticut
-$5.23M -30,680 Closed
Axa
668
Axa
France
-$4.44M -26,038 Closed
XT
669
XTX Topco
Cayman Islands
-$4.17M -24,460 Closed
DRP
670
Decade Renewable Partners
Texas
-$3.87M -22,723 Closed
FCM
671
Fieldview Capital Management
Michigan
-$3.15M -18,485 Closed
Boston Partners
672
Boston Partners
Massachusetts
-$3M -17,587 Closed
SC
673
Sagefield Capital
Texas
-$2.06M -12,073 Closed
GCM
674
Graham Capital Management
Connecticut
-$1.94M -11,394 Closed
CCIA
675
Campbell & Co Investment Adviser
Maryland
-$1.93M -11,327 Closed