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HighVista Strategies’s MasTec MTZ Stock Holding History

HighVista Strategies’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
Q1 		$1.17M Sell
3,627
-1,400
-28% -$379K 0.32% 100
2025
Q4 		$1.09M Sell
5,027
-1,673
-25% -$351K 0.28% 103
2025
Q3 		$1.43M Sell
6,700
-4,300
-39% -$787K 0.35% 89
2025
Q2 		$1.87M Sell
11,000
-5,300
-33% -$763K 0.69% 49
2025
Q1 		$1.9M Buy
+16,300
New +$2.2M 0.73% 44

Other funds holding MTZ

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PP
Peconic Partners New York $5.78B AUM 127.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
HCC
Hill City Capital Boston, Massachusetts $2.8B AUM 79.27% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

HighVista Strategies's MTZ Position: Q1 2026 in Review

HighVista Strategies reduced its MasTec (MTZ) stake by 28% in Q1 2026, selling an estimated $379K and leaving 3,627 shares worth $1.17M. The position accounts for 0.32% of the portfolio, ranked #100.

HighVista Strategies first reported a position in MTZ in Q1 2025 and has held it in 5 quarters since. The position peaked at $1.9M in Q1 2025. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

  • HighVista Strategies held 3,627 shares of MasTec worth $1.17M as of Q1 2026.
  • HighVista Strategies sold 1,400 MasTec shares in Q1 2026, an estimated $379K.
  • MasTec made up 0.32% of HighVista Strategies's portfolio in Q1 2026, its #100 holding.
  • HighVista Strategies first reported a position in MasTec in Q1 2025 and has held it in 5 quarters since.
  • HighVista Strategies's MasTec position peaked at $1.9M in Q1 2025.
  • 805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on HighVista Strategies's 13F filing for Q1 2026, filed 15 May 2026.