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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
UBS Group
26
UBS Group
Switzerland
$108M -$26.4M -144,053 -22%
Charles Schwab
27
Charles Schwab
California
$104M -$22.5M -122,649 -20%
Northern Trust
28
Northern Trust
Illinois
$101M -$1.39M -7,597 -2%
Morgan Stanley
29
Morgan Stanley
New York
$99.7M -$11.1M -60,670 -11%
Fidelity Investments
30
Fidelity Investments
Massachusetts
$99.1M +$84.3M +460,535 +9,085%
FACM
31
Forest Avenue Capital Management
Florida
$89.8M +$77.3M +421,874 New
Balyasny Asset Management
32
Balyasny Asset Management
Illinois
$89.2M +$13.5M +73,467 +21%
Qube Research & Technologies (QRT)
33
Qube Research & Technologies (QRT)
United Kingdom
$86M -$18.9M -102,955 -20%
1SP
34
140 Summer Partners
New York
$81.5M +$70.1M +383,038 New
LA
35
Legacy Advisors
Pennsylvania
$81M +$49.6M +271,013 +247%
Lord, Abbett & Co
36
Lord, Abbett & Co
New Jersey
$71.4M +$169K +924 +0.3%
Goldman Sachs
37
Goldman Sachs
New York
$69M -$91.4M -499,314 -61%
Blackstone Inc
38
Blackstone Inc
New York
$68.1M -$5.49M -30,000 -9%
SC
39
Samlyn Capital
New York
$68M -$11.5M -62,848 -16%
UBS AM
40
UBS AM
Illinois
$65.7M -$905K -4,943 -2%
BNP Paribas Financial Markets
41
BNP Paribas Financial Markets
France
$63.6M +$43.8M +239,341 +401%
Raymond James Financial
42
Raymond James Financial
Florida
$61.4M +$2.38M +13,023 +5%
DnB Asset Management
43
DnB Asset Management
Norway
$59.7M -$15.4M -83,982 -23%
Jennison Associates
44
Jennison Associates
New York
$53M +$30.7M +167,429 +205%
Manulife (Manufacturers Life Insurance)
45
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$52.6M -$15.4M -84,078 -25%
Russell Investments Group
46
Russell Investments Group
United Kingdom
$50.9M +$24.4M +133,420 +126%
HAI
47
Hennessy Advisors Inc
California
$50.9M +$43.8M +239,200 New
Amundi
48
Amundi
France
$48.8M +$40.8M +222,560 +8,450%
OAG
49
Orbis Allan Gray
Bermuda
$48.3M -$2.31M -12,608 -5%
JP Morgan Chase
50
JP Morgan Chase
New York
$45.1M -$31M -169,315 -44%