XTX Topco’s MasTec MTZ Stock Holding History

XTX Topco’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	$762K	Buy	+1,832	New	+$700K	0.01%	2049
2026 Q1	–	Sell	-2,258	Closed	-$491K	–	4163
2025 Q4	$491K	Buy	+2,258	New	+$474K	0.01%	1621
2025 Q3	–	Sell	-24,460	Closed	-$4.17M	–	3019
2025 Q2	$4.17M	Buy	24,460 +5,031	+26%	+$725K	0.17%	108
2025 Q1	$2.27M	Buy	19,429 +17,005	+702%	+$2.29M	0.12%	215
2024 Q4	$330K	Sell	2,424 -6,639	-73%	-$890K	0.03%	1138
2024 Q3	$1.12M	Sell	9,063 -2,149	-19%	-$235K	0.08%	374
2024 Q2	$1.2M	Buy	11,212 +8,757	+357%	+$885K	0.1%	293
2024 Q1	$229K	Buy	+2,455	New	+$187K	0.03%	1071
2022 Q4	–	Sell	-4,343	Closed	-$276K	–	1365
2022 Q3	$276K	Buy	+4,343	New	+$336K	0.07%	566
2021 Q3	–	Sell	-3,628	Closed	-$385K	–	932
2021 Q2	$385K	Buy	+3,628	New	+$394K	0.13%	269

Other funds holding MTZ

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Peconic Partners New York $8.04B AUM 107.18% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

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 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 Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

XTX Topco's MTZ Position: Q2 2026 in Review

XTX Topco opened a new position in MasTec (MTZ) in Q2 2026: 1,832 shares worth $762K. The stake represents 0.01% of the portfolio and ranks #2049 among its holdings. This is a return to the name: XTX Topco previously reported a position in MTZ as recently as Q4 2025.

XTX Topco first reported a position in MTZ in Q2 2021 and has held it in 10 quarters since. The position peaked at $4.17M in Q2 2025. 912 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

XTX Topco held 1,832 shares of MasTec worth $762K as of Q2 2026.
MasTec was a new XTX Topco position in Q2 2026.
MasTec made up 0.01% of XTX Topco's portfolio in Q2 2026, its #2049 holding.
XTX Topco first reported a position in MasTec in Q2 2021 and has held it in 10 quarters since.
XTX Topco's MasTec position peaked at $4.17M in Q2 2025.
912 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.