TS
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Thomas Steyer’s MasTec MTZ Stock Holding History

Thomas Steyer’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 		– Sell
-17,000
Closed -$5.47M – 149
2026
Q1 		$5.47M Buy
+17,000
New +$4.6M 0.03% 69

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

Thomas Steyer's MTZ Position: Q2 2026 in Review

Thomas Steyer sold out of MasTec (MTZ) in Q2 2026, closing a stake of 17,000 shares — an estimated $5.47M sold.

Thomas Steyer first reported a position in MTZ in Q1 2026 and held it in 1 quarter. The position peaked at $5.47M in Q1 2026. 908 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Thomas Steyer reported no remaining MasTec position as of Q2 2026 after selling out during the quarter.
  • Thomas Steyer sold 17,000 MasTec shares in Q2 2026, an estimated $5.47M.
  • Thomas Steyer first reported a position in MasTec in Q1 2026 and held it in 1 quarter.
  • Thomas Steyer's MasTec position peaked at $5.47M in Q1 2026.
  • 908 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Farallon Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.