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Semanteon Capital Management’s MasTec MTZ Stock Holding History

Semanteon 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 		$247K Sell
593
-33
-5% -$12.6K 1.11% 25
2026
Q1 		$201K Buy
+626
New +$169K 2.7% 12
2025
Q1 		– Sell
-6,606
Closed -$899K – 315
2024
Q4 		$899K Sell
6,606
-518
-7% -$69.5K 0.48% 93
2024
Q3 		$877K Buy
+7,124
New +$778K 0.6% 87

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

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

Semanteon Capital Management reduced its MasTec (MTZ) stake by 5.3% in Q2 2026, selling an estimated $12.6K and leaving 593 shares worth $247K. The position accounts for 1.11% of the portfolio, ranked #25.

Semanteon Capital Management first reported a position in MTZ in Q3 2024 and has held it in 4 quarters since. The position peaked at $899K in Q4 2024. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Semanteon Capital Management held 593 shares of MasTec worth $247K as of Q2 2026.
  • Semanteon Capital Management sold 33 MasTec shares in Q2 2026, an estimated $12.6K.
  • MasTec made up 1.11% of Semanteon Capital Management's portfolio in Q2 2026, its #25 holding.
  • Semanteon Capital Management first reported a position in MasTec in Q3 2024 and has held it in 4 quarters since.
  • Semanteon Capital Management's MasTec position peaked at $899K in Q4 2024.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Semanteon Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.