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MasTec
MTZ

908 hedge funds and large institutions have $24.7B invested in MasTec in 2026 Q2 according to their latest regulatory filings, with 185 funds opening new positions, 324 increasing their positions, 294 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

153% more first-time investments, than exits

New positions opened: 185 | Existing positions closed: 73

73% more call options, than puts

Call options by funds: $611M | Put options by funds: $353M

32% more capital invested

Capital invested by funds: $18.6B → $24.7B (+$6.04B)

12% more funds holding

Funds holding: 809 → 908 (+99)

10% more repeat investments, than reductions

Existing positions increased: 324 | Existing positions reduced: 294

1.56% more ownership

Funds ownership: 73.55% → 75.11% (+1.6%)

29% less funds holding in top 10

Funds holding in top 10: 28 → 20 (-8)

Holders
908
Holders Change
+99
Holders Change %
+12.24%
% of All Funds
10.97%
Holding in Top 10
20
Holding in Top 10 Change
-8
Holding in Top 10 Change %
-28.57%
% of All Funds
0.24%
New
185
Increased
324
Reduced
294
Closed
73
Calls
$611M
Puts
$353M
Net Calls
+$258M
Net Calls Change
+$210M

Top Buyers

Rank Fund Capital Flow
1
JP Morgan Chase
JP Morgan Chase
New York
+$427M
2
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
+$227M
3
Ameriprise
Ameriprise
Minnesota
+$192M
4
State Street
State Street
Massachusetts
+$143M
5
BlackRock
BlackRock
New York
+$126M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$176M
2
Victory Capital Management
Victory Capital Management
Texas
-$146M
3
Citadel Advisors
Citadel Advisors
Florida
-$107M
4
NAMI
Nomura Asset Management International
Pennsylvania
-$107M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$106M
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
26
Goldman Sachs
New York
$226M +$26M +68,122 +14%
Nordea Investment Management
27
Nordea Investment Management
Sweden
$225M -$78M -204,165 -28%
Northern Trust
28
Northern Trust
Illinois
$215M +$17.2M +45,060 +10%
Coatue Management
29
Coatue Management
New York
$215M -$25.4M -66,347 -11%
UBS Group
30
UBS Group
Switzerland
$212M +$49.2M +128,728 +34%
BNP Paribas Financial Markets
31
BNP Paribas Financial Markets
France
$182M +$47.1M +123,219 +39%
Qube Research & Technologies (QRT)
32
Qube Research & Technologies (QRT)
United Kingdom
$170M -$29.1M -76,183 -16%
UBS AM
33
UBS AM
Illinois
$168M +$33.5M +87,560 +28%
Vanguard Fiduciary Trust
34
Vanguard Fiduciary Trust
Pennsylvania
$166M +$5.88M +15,377 +4%
Amundi
35
Amundi
France
$166M +$87M +227,515 +133%
Westfield Capital Management
36
Westfield Capital Management
Massachusetts
$156M +$47.6M +124,477 +50%
ACM
37
Anomaly Capital Management
New York
$128M +$31.5M +82,423 +37%
TP
38
Third Point
New York
$121M -$11.5M -30,000 -9%
T. Rowe Price Associates
39
T. Rowe Price Associates
Maryland
$118M +$84.7M +221,629 +364%
1SP
40
140 Summer Partners
New York
$112M -$23.3M -61,052 -19%
FACM
41
Forest Avenue Capital Management
Florida
$103M -$8.11M -21,224 -8%
FGP
42
Freestone Grove Partners
California
$103M +$10M +26,193 +12%
Bessemer Group
43
Bessemer Group
New Jersey
$95.9M -$571K -1,494 -0.6%
ClearBridge Investments
44
ClearBridge Investments
New York
$90.9M +$83.6M +218,591 New
Federated Hermes
45
Federated Hermes
Pennsylvania
$90.1M +$43.5M +113,755 +111%
HAI
46
Hennessy Advisors Inc
California
$85.3M – – –
MIM
47
Merewether Investment Management
Texas
$79.1M -$12.5M -32,825 -15%
Nuveen
48
Nuveen
North Carolina
$78.7M +$10.5M +27,514 +17%
RhumbLine Advisers
49
RhumbLine Advisers
Massachusetts
$78.5M +$7.86M +20,560 +12%
Legal & General Group
50
Legal & General Group
United Kingdom
$75.7M +$34.4M +90,012 +98%
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MTZ Hedge Fund Activity: Q2 2026 in Review

908 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in MasTec (MTZ) for Q2 2026, worth a combined $24.7B — up 32% from $18.6B a quarter earlier.

Buyers outnumbered sellers: 185 funds opened new MTZ positions and 73 closed out — a net gain of 112 holders — while 324 added to existing stakes and 294 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $427M. The largest seller was Millennium Management, cutting an estimated $176M.

  • 908 institutional investors held MasTec (MTZ) as of Q2 2026, up from 809 in Q1 2026.
  • Funds reported $24.7B of MasTec stock for Q2 2026, up 32% quarter-over-quarter.
  • 185 funds opened new MasTec positions in Q2 2026 and 73 closed out, a net change of +112 holders.
  • The largest MasTec buyer in Q2 2026 was JP Morgan Chase, an estimated $427M added.
  • The largest MasTec seller in Q2 2026 was Millennium Management, an estimated $176M sold.

Based on aggregated 13F filings for Q2 2026.