Optiver Holding
MTZ icon

Optiver Holding’s MasTec MTZ Stock Holding History

Optiver Holding’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 		– Sell
-553
Closed -$178K – 2983
2026
Q1 		$178K Buy
553
+540
+4,154% +$146K ﹤0.01% 820
2025
Q4 		$2.83K Sell
13
-101
-89% -$21.2K ﹤0.01% 1795
2025
Q3 		$24.3K Buy
+114
New +$20.9K ﹤0.01% 919
2025
Q2 		– Sell
-171
Closed -$20K – 1574
2025
Q1 		$20K Buy
+171
New +$23.1K ﹤0.01% 712

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

Optiver Holding's MTZ Position: Q2 2026 in Review

Optiver Holding sold out of MasTec (MTZ) in Q2 2026, closing a stake of 553 shares — an estimated $178K sold.

Optiver Holding first reported a position in MTZ in Q1 2025 and held it in 4 quarters. The position peaked at $178K in Q1 2026. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Optiver Holding reported no remaining MasTec position as of Q2 2026 after selling out during the quarter.
  • Optiver Holding sold 553 MasTec shares in Q2 2026, an estimated $178K.
  • Optiver Holding first reported a position in MasTec in Q1 2025 and held it in 4 quarters.
  • Optiver Holding's MasTec position peaked at $178K in Q1 2026.
  • 911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.