Blackstone Inc’s MasTec MTZ Stock Holding History

Blackstone Inc’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	$2.94M	Buy	+7,061	New	+$2.7M	0.01%	142
2026 Q1	–	Sell	-363,924	Closed	-$79.1M	–	467
2025 Q4	$79.1M	Buy	363,924 +43,924	+14%	+$9.22M	0.31%	40
2025 Q3	$68.1M	Sell	320,000 -30,000	-9%	-$5.49M	0.27%	40
2025 Q2	$59.7M	Buy	350,000 +35,000	+11%	+$5.04M	0.25%	40
2025 Q1	$36.8M	Buy	+315,000	New	+$42.5M	0.15%	52

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

Blackstone Inc's MTZ Position: Q2 2026 in Review

Blackstone Inc opened a new position in MasTec (MTZ) in Q2 2026: 7,061 shares worth $2.94M. The stake represents 0.01% of the portfolio and ranks #142 among its holdings. This is a return to the name: Blackstone Inc previously reported a position in MTZ as recently as Q4 2025.

Blackstone Inc first reported a position in MTZ in Q1 2025 and has held it in 5 quarters since. The position peaked at $79.1M in Q4 2025. 910 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

Blackstone Inc held 7,061 shares of MasTec worth $2.94M as of Q2 2026.
MasTec was a new Blackstone Inc position in Q2 2026.
MasTec made up 0.01% of Blackstone Inc's portfolio in Q2 2026, its #142 holding.
Blackstone Inc first reported a position in MasTec in Q1 2025 and has held it in 5 quarters since.
Blackstone Inc's MasTec position peaked at $79.1M in Q4 2025.
910 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Blackstone Inc's 13F filing for Q2 2026, filed 14 Aug 2026.