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805 hedge funds and large institutions have $18.6B invested in MasTec in 2026 Q1 according to their latest regulatory filings, with 182 funds opening new positions, 254 increasing their positions, 261 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

194% more first-time investments, than exits

New positions opened: 182 | Existing positions closed: 62

56% more funds holding in top 10

Funds holding in top 10: 1828 (+10)

46% more capital invested

Capital invested by funds: $12.7B → $18.6B (+$5.89B)

27% more call options, than puts

Call options by funds: $225M | Put options by funds: $177M

16% more funds holding

Funds holding: 694805 (+111)

0.78% less ownership

Funds ownership: 74.31%73.53% (-0.78%)

3% less repeat investments, than reductions

Existing positions increased: 254 | Existing positions reduced: 261

Holders
805
Holders Change
+111
Holders Change %
+15.99%
% of All Funds
9.92%
Holding in Top 10
28
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+55.56%
% of All Funds
0.34%
New
182
Increased
254
Reduced
261
Closed
62
Calls
$225M
Puts
$177M
Net Calls
+$47.8M
Net Calls Change
+$151M
Name Holding Trade Value Shares
Change
Change in
Stake
Qube Research & Technologies (QRT)
26
Qube Research & Technologies (QRT)
United Kingdom
$156M +$33.7M +124,526 +35%
Goldman Sachs
27
Goldman Sachs
New York
$153M +$33.5M +123,860 +35%
Northern Trust
28
Northern Trust
Illinois
$152M +$4.54M +16,786 +4%
Point72 Asset Management
29
Point72 Asset Management
Connecticut
$139M -$77.9M -287,713 -40%
VFT
30
Vanguard Fiduciary Trust
Pennsylvania
$123M +$104M +383,817 New
UBS Group
31
UBS Group
Switzerland
$123M -$18.9M -69,888 -15%
NAMI
32
Nomura Asset Management International
Pennsylvania
$109M -$55.5M -204,910 -38%
1SP
33
140 Summer Partners
New York
$106M -$12.2M -45,029 -12%
TP
34
Third Point
New York
$103M -$164M -605,000 -65%
UBS AM
35
UBS AM
Illinois
$102M -$609K -2,249 -0.7%
BNP Paribas Financial Markets
36
BNP Paribas Financial Markets
France
$101M +$38.5M +142,307 +83%
Citadel Advisors
37
Citadel Advisors
Florida
$90M +$70M +258,511 +1,216%
FACM
38
Forest Avenue Capital Management
Florida
$86.8M -$60.7M -224,160 -45%
Assenagon Asset Management
39
Assenagon Asset Management
Luxembourg
$82.1M +$24.6M +90,682 +55%
Westfield Capital Management
40
Westfield Capital Management
Massachusetts
$80.4M +$67.7M +249,980 New
Bessemer Group
41
Bessemer Group
New Jersey
$74.6M +$62M +229,129 +8,079%
Ameriprise
42
Ameriprise
Minnesota
$74.6M -$191K -704 -0.3%
Raymond James Financial
43
Raymond James Financial
Florida
$73.7M -$11.6M -42,949 -16%
Arrowstreet Capital
44
Arrowstreet Capital
Massachusetts
$73.1M +$19.9M +73,615 +48%
Squarepoint
45
Squarepoint
New York
$72.6M +$30M +110,969 +97%
ACM
46
Anomaly Capital Management
New York
$72.2M +$60.8M +224,498 New
MIM
47
Merewether Investment Management
Texas
$71.8M -$93.7M -346,079 -61%
FGP
48
Freestone Grove Partners
California
$70.9M -$63.7M -235,217 -52%
BHC
49
Bowen Hanes & Co
Florida
$69.3M +$5.42M +20,025 +10%
HAI
50
Hennessy Advisors Inc
California
$66M -$5.82M -21,500 -9%