Brown Brothers Harriman & Co
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Brown Brothers Harriman & Co’s MasTec MTZ Stock Holding History

Brown Brothers Harriman & Co’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 		$3.75K Buy
+9
New +$3.44K ﹤0.01% 1631
2025
Q1 		– Sell
-36
Closed -$4.9K – 1411
2024
Q4 		$4.9K Buy
36
+5
+16% +$670 ﹤0.01% 1233
2024
Q3 		$3.82K Buy
+31
New +$3.38K ﹤0.01% 1198

Other funds holding MTZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Peconic Partners
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 $3.38T AUM 44.17% 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
Lone Pine Capital
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

Brown Brothers Harriman & Co's MTZ Position: Q2 2026 in Review

Brown Brothers Harriman & Co opened a new position in MasTec (MTZ) in Q2 2026: 9 shares worth $3.75K. The stake represents ﹤0.01% of the portfolio and ranks #1631 among its holdings. This is a return to the name: Brown Brothers Harriman & Co previously reported a position in MTZ as recently as Q4 2024.

Brown Brothers Harriman & Co first reported a position in MTZ in Q3 2024 and has held it in 3 quarters since. The position peaked at $4.9K in Q4 2024. 912 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Brown Brothers Harriman & Co held 9 shares of MasTec worth $3.75K as of Q2 2026.
  • MasTec was a new Brown Brothers Harriman & Co position in Q2 2026.
  • MasTec made up ﹤0.01% of Brown Brothers Harriman & Co's portfolio in Q2 2026, its #1631 holding.
  • Brown Brothers Harriman & Co first reported a position in MasTec in Q3 2024 and has held it in 3 quarters since.
  • Brown Brothers Harriman & Co's MasTec position peaked at $4.9K in Q4 2024.
  • 912 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Brown Brothers Harriman & Co's 13F filing for Q2 2026, filed 12 Aug 2026.