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Cooper Creek Partners Management’s MasTec MTZ Stock Holding History

Cooper Creek Partners Management’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 		$25.7M Buy
+80,000
New +$21.7M 0.88% 42
2025
Q3 		– Sell
-125,000
Closed -$21.3M – 113
2025
Q2 		$21.3M Buy
+125,000
New +$18M 0.66% 53

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

Cooper Creek Partners Management's MTZ Position: Q1 2026 in Review

Cooper Creek Partners Management reduced its MasTec (MTZ) stake by 54% in Q1 2026, selling an estimated $27.1M and leaving 83,706 shares worth $26.9M. The position accounts for 0.92% of the portfolio, ranked #39.

Cooper Creek Partners Management first reported a position in MTZ in Q3 2022 and has held it in 13 quarters since. The position peaked at $101M in Q1 2024. 806 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

  • Cooper Creek Partners Management held 83,706 shares of MasTec worth $26.9M as of Q1 2026.
  • Cooper Creek Partners Management sold 100,132 MasTec shares in Q1 2026, an estimated $27.1M.
  • MasTec made up 0.92% of Cooper Creek Partners Management's portfolio in Q1 2026, its #39 holding.
  • Cooper Creek Partners Management first reported a position in MasTec in Q3 2022 and has held it in 13 quarters since.
  • Cooper Creek Partners Management's MasTec position peaked at $101M in Q1 2024.
  • 806 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Cooper Creek Partners Management's 13F filing for Q1 2026, filed 15 May 2026.