InceptionR’s MasTec MTZ Stock Holding History

InceptionR’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	$672K	Buy	+1,614	New	+$617K	0.16%	234
2026 Q1	–	Sell	-1,823	Closed	-$396K	–	810
2025 Q4	$396K	Sell	1,823 -1,967	-52%	-$413K	0.11%	349
2025 Q3	$807K	Sell	3,790 -6,279	-62%	-$1.15M	0.19%	182
2025 Q2	$1.72M	Buy	+10,069	New	+$1.45M	0.4%	41
2024 Q1	–	Sell	-2,706	Closed	-$205K	–	672
2023 Q4	$205K	Buy	+2,706	New	+$169K	0.15%	311
2023 Q3	–	Sell	-3,944	Closed	-$465K	–	514
2023 Q2	$465K	Buy	+3,944	New	+$386K	0.25%	162
2023 Q1	–	Sell	-4,273	Closed	-$365K	–	534
2022 Q4	$365K	Buy	+4,273	New	+$351K	0.19%	228

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

InceptionR's MTZ Position: Q2 2026 in Review

InceptionR opened a new position in MasTec (MTZ) in Q2 2026: 1,614 shares worth $672K. The stake represents 0.16% of the portfolio and ranks #234 among its holdings. This is a return to the name: InceptionR previously reported a position in MTZ as recently as Q4 2025.

InceptionR first reported a position in MTZ in Q4 2022 and has held it in 7 quarters since. The position peaked at $1.72M in Q2 2025. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

InceptionR held 1,614 shares of MasTec worth $672K as of Q2 2026.
MasTec was a new InceptionR position in Q2 2026.
MasTec made up 0.16% of InceptionR's portfolio in Q2 2026, its #234 holding.
InceptionR first reported a position in MasTec in Q4 2022 and has held it in 7 quarters since.
InceptionR's MasTec position peaked at $1.72M in Q2 2025.
911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on InceptionR's 13F filing for Q2 2026, filed 11 Aug 2026.