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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
Jacobs Levy Equity Management
926
Jacobs Levy Equity Management
New Jersey
– -$2.88M -8,961 Closed
NYLIM
927
New York Life Investment Management
New York
– -$2.65M -8,238 Closed
JCIA
928
Jackson Creek Investment Advisors
Colorado
– -$2.22M -6,911 Closed
RCMU
929
Rokos Capital Management (UK)
United Kingdom
– -$2.6M -6,813 Closed
AIM
930
Aigen Investment Management
New York
– -$2M -6,201 Closed
AAP
931
Ardsley Advisory Partners
Connecticut
– -$1.61M -5,000 Closed
SP
932
SIH Partners
Delaware
– -$1.61M -4,993 Closed
WIS
933
Wright Investors Service
Connecticut
– -$1.17M -3,648 Closed
FCM
934
Fieldview Capital Management
Michigan
– -$726K -2,256 Closed
EWA
935
EP Wealth Advisors
California
– -$625K -1,943 Closed
PL
936
Parkwood LLC
Ohio
– -$593K -1,844 Closed
SOW
937
State of Wyoming
Wyoming
– -$571K -1,776 Closed
RIA
938
Rhodes Investment Advisors
Texas
– -$552K -1,715 Closed
CAS
939
CTC Alternative Strategies
Illinois
– -$521K -1,620 Closed
SW
940
SMART Wealth
Nebraska
– -$497K -1,544 Closed
MC
941
Machina Capital
France
– -$475K -1,475 Closed
IFU
942
iSAM Funds (UK)
United Kingdom
– -$430K -1,337 Closed
PCM
943
Penserra Capital Management
California
– -$403K -1,254 Closed
VCA
944
Verdence Capital Advisors
Maryland
– -$393K -1,223 Closed
RB
945
Renasant Bank
Mississippi
– -$363K -1,129 Closed
RG
946
Rathbones Group
United Kingdom
– -$327K -1,015 Closed
CPA
947
Capital Performance Advisors
California
– -$326K -1,013 Closed
QCM
948
Qsemble Capital Management
New York
– -$318K -987 Closed
Brown Advisory
949
Brown Advisory
Maryland
– -$316K -983 Closed
AA
950
Advisory Alpha
Michigan
– -$314K -977 Closed
36 37
38
39 40

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.