PCM
MTZ icon

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
Q2 		$1.73M Buy
4,168
+3,943
+1,752% +$1.51M 0.23% 95
2026
Q1 		$72.4K Sell
225
-2,175
-91% -$589K 0.01% 794
2025
Q4 		$522K Sell
2,400
-3,977
-62% -$835K 0.05% 456
2025
Q3 		$1.36M Buy
6,377
+4,806
+306% +$880K 0.14% 138
2025
Q2 		$268K Buy
+1,571
New +$226K 0.03% 457

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

Polymer Capital Management's MTZ Position: Q2 2026 in Review

Polymer Capital Management increased its MasTec (MTZ) stake by 1,752% in Q2 2026, buying an estimated $1.51M and bringing the position to 4,168 shares worth $1.73M. The position accounts for 0.23% of the portfolio, ranked #95.

Polymer Capital Management first reported a position in MTZ in Q2 2025 and has held it in 5 quarters since. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Polymer Capital Management held 4,168 shares of MasTec worth $1.73M as of Q2 2026.
  • Polymer Capital Management bought 3,943 MasTec shares in Q2 2026, an estimated $1.51M.
  • MasTec made up 0.23% of Polymer Capital Management's portfolio in Q2 2026, its #95 holding.
  • Polymer Capital Management first reported a position in MasTec in Q2 2025 and has held it in 5 quarters since.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

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