MC
MTZ icon

Maplelane Capital’s MasTec MTZ Stock Holding History

Maplelane Capital’s Portfolio MTZ Stock Details MTZ Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$36.9M Buy
+88,800
New +$33.9M 0.67% 45
2025
Q4 		– Sell
-101,000
Closed -$21.5M – 106
2025
Q3 		$21.5M Buy
+101,000
New +$18.5M 0.51% 53

Other funds holding MTZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PP
Peconic Partners New York $8.04B AUM 107.18% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
HCC
Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

Maplelane Capital's MTZ Position: Q2 2026 in Review

Maplelane Capital opened a new position in MasTec (MTZ) in Q2 2026: 88,800 shares worth $36.9M. The stake represents 0.67% of the portfolio and ranks #45 among its holdings. This is a return to the name: Maplelane Capital previously reported a position in MTZ as recently as Q3 2025.

Maplelane Capital first reported a position in MTZ in Q3 2025 and has held it in 2 quarters since. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Maplelane Capital held 88,800 shares of MasTec worth $36.9M as of Q2 2026.
  • MasTec was a new Maplelane Capital position in Q2 2026.
  • MasTec made up 0.67% of Maplelane Capital's portfolio in Q2 2026, its #45 holding.
  • Maplelane Capital first reported a position in MasTec in Q3 2025 and has held it in 2 quarters since.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Maplelane Capital's 13F filing for Q2 2026, filed 13 Aug 2026.