PCM
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Polymer Capital Management’s MasTec MTZ Stock Holding History

Polymer Capital 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 		$2.9M Buy
+9,000
New +$2.44M 0.29% 74
2025
Q4 		– Sell
-11,000
Closed -$2.34M – 927
2025
Q3 		$2.34M Buy
+11,000
New +$2.01M 0.25% 91

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

Polymer Capital Management's MTZ Position: Q1 2026 in Review

Polymer Capital Management reduced its MasTec (MTZ) stake by 91% in Q1 2026, selling an estimated $589K and leaving 225 shares worth $72.4K. The position accounts for 0.01% of the portfolio, ranked #794.

Polymer Capital Management first reported a position in MTZ in Q2 2025 and has held it in 4 quarters since. The position peaked at $1.36M in Q3 2025. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

  • Polymer Capital Management held 225 shares of MasTec worth $72.4K as of Q1 2026.
  • Polymer Capital Management sold 2,175 MasTec shares in Q1 2026, an estimated $589K.
  • MasTec made up 0.01% of Polymer Capital Management's portfolio in Q1 2026, its #794 holding.
  • Polymer Capital Management first reported a position in MasTec in Q2 2025 and has held it in 4 quarters since.
  • Polymer Capital Management's MasTec position peaked at $1.36M in Q3 2025.
  • 805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Polymer Capital Management's 13F filing for Q1 2026, filed 14 May 2026.