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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
MCM
76
Makena Capital Management
California
$26M -$5.44M -29,721 -20%
CCPM
77
Cooper Creek Partners Management
New York
$25.7M -$55.5M -303,346 -72%
AG
78
Algert Global
California
$25.4M +$10.1M +55,168 +86%
LPL Financial
79
LPL Financial
California
$25.2M +$2.29M +12,522 +12%
California Public Employees Retirement System
80
California Public Employees Retirement System
California
$25M +$1.15M +6,253 +6%
Royal Bank of Canada
81
Royal Bank of Canada
Ontario, Canada
$25M +$6.49M +35,438 +43%
Zurich Cantonal Bank
82
Zurich Cantonal Bank
Switzerland
$24.5M -$1.51M -8,237 -7%
SEI Investments
83
SEI Investments
Pennsylvania
$24.2M +$3.3M +18,007 +19%
MC
84
Muhlenkamp & Co
Pennsylvania
$22.5M -$54.6K -298 -0.3%
ACG
85
Aventail Capital Group
New York
$22.3M +$19.2M +104,731 New
HC
86
Hillman Company
Pennsylvania
$22.2M +$19.1M +104,216 New
MC
87
Maplelane Capital
New York
$21.5M +$18.5M +101,000 New
Legal & General Group
88
Legal & General Group
United Kingdom
$21.1M -$721K -3,937 -4%
DCM
89
Driehaus Capital Management
Illinois
$20.8M +$17.9M +97,863 New
1832 Asset Management
90
1832 Asset Management
Ontario, Canada
$20.1M +$17.3M +94,500 New
Daiwa Securities Group
91
Daiwa Securities Group
Japan
$19.1M -$596K -3,253 -4%
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$17.4M -$2.12M -11,589 -12%
MWM
93
Moran Wealth Management
Florida
$15.8M -$832K -4,541 -6%
Retirement Systems of Alabama
94
Retirement Systems of Alabama
Alabama
$15.8M -$148K -807 -1%
MCM
95
Moore Capital Management
New York
$15.4M +$3.85M +21,018 +41%
AAP
96
Arax Advisory Partners
Colorado
$15.3M +$13.1M +71,547 +31,658%
Verition Fund Management
97
Verition Fund Management
Connecticut
$15M -$8.34M -45,537 -39%
CS
98
Candriam SCA
Luxembourg
$14.7M -$17.4M -95,190 -58%
Asset Management One
99
Asset Management One
Japan
$14.7M +$5.39M +29,439 +74%
IC
100
IEQ Capital
California
$14.6M +$3.92M +21,416 +45%