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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
MCM
901
MV Capital Management
Maryland
$417 +$382 +1 New
QWM
902
Quaker Wealth Management
New Jersey
$417 +$382 +1 New
NB
903
NBT Bank
New York
$416 – – –
NL
904
NVWM LLC
Pennsylvania
$416 – – –
SWM
905
SHP Wealth Management
Massachusetts
$416 – – –
BCWM
906
Bartlett & Co Wealth Management
Ohio
$416 +$382 +1 New
DF
907
Downshift Financial
Colorado
$416 +$382 +1 New
GBT
908
Grove Bank & Trust
Florida
$416 +$382 +1 New
Citadel Advisors
909
Citadel Advisors
Florida
– -$107M -279,778 Closed
Holocene Advisors
910
Holocene Advisors
New York
– -$32.7M -101,724 Closed
1832 Asset Management
911
1832 Asset Management
Ontario, Canada
– -$19.6M -61,000 Closed
CCM
912
CloudAlpha Capital Management
Hong Kong
– -$18.5M -57,400 Closed
ECM
913
ExodusPoint Capital Management
New York
– -$18M -55,985 Closed
MC
914
Muhlenkamp & Co
Pennsylvania
– -$13.8M -42,832 Closed
JG
915
Jain Global
New York
– -$12.1M -37,729 Closed
SC
916
SummitTX Capital
Texas
– -$8.52M -26,473 Closed
BF
917
BOK Financial
Oklahoma
– -$6.44M -20,001 Closed
1C
918
1060 Capital
Colorado
– -$6.34M -19,700 Closed
Mariner
919
Mariner
Kansas
– -$5.97M -18,544 Closed
FCM
920
Farallon Capital Management
California
– -$5.47M -17,000 Closed
LCG
921
Lisanti Capital Growth
New York
– -$4.85M -15,073 Closed
ACM
922
Arosa Capital Management
Florida
– -$5.73M -15,000 Closed
AWA
923
Arete Wealth Advisors
Illinois
– -$3.94M -12,297 Closed
Walleye Trading
924
Walleye Trading
New York
– -$4.24M -11,081 Closed
FM
925
Freemont Management
Switzerland
– -$3.22M -10,000 Closed
35 36
37
38 39

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.