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524 hedge funds and large institutions have $6.57B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 82 funds opening new positions, 205 increasing their positions, 162 reducing their positions, and 85 closing their positions.

New
Increased
Maintained
Reduced
Closed

27% more repeat investments, than reductions

Existing positions increased: 205 | Existing positions reduced: 162

0% more funds holding in top 10

Funds holding in top 10: 1414 (0)

4% less first-time investments, than exits

New positions opened: 82 | Existing positions closed: 85

1.46% less ownership

Funds ownership: 72.57%71.11% (-1.5%)

2% less funds holding

Funds holding: 532524 (-8)

15% less call options, than puts

Call options by funds: $66.1M | Put options by funds: $77.8M

16% less capital invested

Capital invested by funds: $7.83B → $6.57B (-$1.26B)

Holders
524
Holders Change
-8
Holders Change %
-1.5%
% of All Funds
7.03%
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.19%
New
82
Increased
205
Reduced
162
Closed
85
Calls
$66.1M
Puts
$77.8M
Net Calls
-$11.6M
Net Calls Change
-$11.1M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$895M +$51M +377,919 +5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$670M -$2.21M -16,387 -0.3%
HCC
3
Hill City Capital
Massachusetts
$250M +$2.02M +15,000 +0.7%
State Street
4
State Street
Massachusetts
$224M +$1.95M +14,453 +0.8%
Nordea Investment Management
5
Nordea Investment Management
Sweden
$203M -$21.3M -157,729 -8%
Invesco
6
Invesco
Georgia
$194M -$46.3M -343,308 -17%
HRCM
7
Hood River Capital Management
Florida
$181M +$3.14M +23,283 +2%
Dimensional Fund Advisors
8
Dimensional Fund Advisors
Texas
$142M +$5.35M +39,622 +3%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$129M +$10.7M +79,080 +8%
Goldman Sachs
10
Goldman Sachs
New York
$122M +$87.5M +648,184 +164%
AllianceBernstein
11
AllianceBernstein
Tennessee
$112M -$24.6M -182,076 -16%
Millennium Management
12
Millennium Management
New York
$110M -$69.3M -514,003 -35%
AQR Capital Management
13
AQR Capital Management
Connecticut
$106M +$24.9M +184,277 +24%
LA
14
Legacy Advisors
Pennsylvania
$90.6M -$5.66M -41,959 -5%
Macquarie Group
15
Macquarie Group
Australia
$90M -$6.86M -50,858 -6%
MIM
16
Merewether Investment Management
Texas
$88.8M +$56.5M +418,633 +122%
First Trust Advisors
17
First Trust Advisors
Illinois
$86.2M +$20.3M +150,657 +26%
ECP
18
Electron Capital Partners
New York
$85.5M -$41M -304,080 -29%
CCPM
19
Cooper Creek Partners Management
New York
$83.3M +$53.4M +396,077 +125%
Bank of America
20
Bank of America
North Carolina
$81M +$38.8M +287,738 +71%
Charles Schwab
21
Charles Schwab
California
$71.4M -$1.7M -12,592 -2%
Pacer Advisors
22
Pacer Advisors
Pennsylvania
$70.4M -$146M -1,079,596 -64%
Balyasny Asset Management
23
Balyasny Asset Management
Illinois
$67.9M -$6.24M -46,226 -7%
UBS Group
24
UBS Group
Switzerland
$67.7M +$1.36M +10,117 +2%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$65.4M +$543K +4,024 +0.7%

MTZ Hedge Fund Activity: Q1 2025 in Review

524 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in MasTec (MTZ) for Q1 2025, worth a combined $6.57B — down 16% from $7.83B a quarter earlier.

Sellers outnumbered buyers: 85 funds closed out of MTZ and 82 opened new positions — a net loss of 3 holders — while 162 trimmed existing stakes and 205 added.

The largest buyer was Goldman Sachs, adding an estimated $87.5M. The largest seller was Pacer Advisors, cutting an estimated $146M.

  • 524 institutional investors held MasTec (MTZ) as of Q1 2025, down from 532 in Q4 2024.
  • Funds reported $6.57B of MasTec stock for Q1 2025, down 16% quarter-over-quarter.
  • 82 funds opened new MasTec positions in Q1 2025 and 85 closed out, a net change of -3 holders.
  • The largest MasTec buyer in Q1 2025 was Goldman Sachs, an estimated $87.5M added.
  • The largest MasTec seller in Q1 2025 was Pacer Advisors, an estimated $146M sold.

Based on aggregated 13F filings for Q1 2025.