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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
BlackRock
1
BlackRock
New York
$2.35B +$53.7M +198,355 +3%
PP
2
Peconic Partners
New York
$1.15B +$536M +1,978,431 +124%
VCM
3
Vanguard Capital Management
Pennsylvania
$902M +$759M +2,804,295 New
VPM
4
Vanguard Portfolio Management
Pennsylvania
$891M +$750M +2,770,038 New
HCC
5
Hill City Capital
Massachusetts
$693M
State Street
6
State Street
Massachusetts
$602M +$11.7M +43,366 +2%
Victory Capital Management
7
Victory Capital Management
Texas
$512M -$283M -1,044,928 -40%
LPC
8
Lone Pine Capital
Connecticut
$493M +$415M +1,531,050 New
First Trust Advisors
9
First Trust Advisors
Illinois
$454M +$27.1M +100,151 +8%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$441M +$40.9M +151,206 +12%
Bank of America
11
Bank of America
North Carolina
$428M +$20.3M +75,100 +6%
HRCM
12
Hood River Capital Management
Florida
$417M -$51M -188,276 -13%
Invesco
13
Invesco
Georgia
$394M -$79.7M -294,273 -19%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$235M -$37.7M -139,196 -16%
ECP
15
Electron Capital Partners
New York
$229M -$24.7M -91,290 -11%
Nordea Investment Management
16
Nordea Investment Management
Sweden
$229M -$113M -416,641 -36%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$211M +$5.35M +19,745 +3%
AQR Capital Management
18
AQR Capital Management
Connecticut
$210M -$19.2M -70,925 -10%
Canada Pension Plan Investment Board
19
Canada Pension Plan Investment Board
Ontario, Canada
$206M +$132M +488,849 +326%
Fidelity Investments
20
Fidelity Investments
Massachusetts
$202M -$9.93M -36,689 -6%
Mirae Asset Global ETFs Holdings
21
Mirae Asset Global ETFs Holdings
Hong Kong
$195M +$12.7M +46,900 +8%
Morgan Stanley
22
Morgan Stanley
New York
$189M +$26.2M +96,832 +20%
Coatue Management
23
Coatue Management
New York
$188M -$25.5M -94,312 -14%
Charles Schwab
24
Charles Schwab
California
$164M +$2.47M +9,117 +2%
Millennium Management
25
Millennium Management
New York
$162M -$62M -229,074 -31%