RF
MTZ icon

Rossby Financial’s MasTec MTZ Stock Holding History

Rossby Financial’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 		$8.32K Sell
20
-344
-95% -$132K ﹤0.01% 1237
2026
Q1 		$122K Sell
364
-2,577
-88% -$698K 0.02% 494
2025
Q4 		$639K Buy
2,941
+191
+7% +$40.1K 0.2% 91
2025
Q3 		$591K Buy
+2,750
New +$504K 0.19% 99

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

Rossby Financial's MTZ Position: Q2 2026 in Review

Rossby Financial reduced its MasTec (MTZ) stake by 95% in Q2 2026, selling an estimated $132K and leaving 20 shares worth $8.32K. The position accounts for ﹤0.01% of the portfolio, ranked #1237.

Rossby Financial first reported a position in MTZ in Q3 2025 and has held it in 4 quarters since. The position peaked at $639K in Q4 2025. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Rossby Financial held 20 shares of MasTec worth $8.32K as of Q2 2026.
  • Rossby Financial sold 344 MasTec shares in Q2 2026, an estimated $132K.
  • MasTec made up ﹤0.01% of Rossby Financial's portfolio in Q2 2026, its #1237 holding.
  • Rossby Financial first reported a position in MasTec in Q3 2025 and has held it in 4 quarters since.
  • Rossby Financial's MasTec position peaked at $639K in Q4 2025.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Rossby Financial's 13F filing for Q2 2026, filed 4 Aug 2026.