Balyasny Asset Management’s MasTec MTZ Stock Holding History

Balyasny Asset Management’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 Q1	–	Sell	-2,800	Closed	-$609K	–	3290
2025 Q4	$609K	Sell	2,800 -400	-13%	-$83.9K	﹤0.01%	2436
2025 Q3	$681K	Buy	+3,200	New	+$586K	﹤0.01%	2262
2025 Q2	–	Sell	-100,000	Closed	-$11.7M	–	3160
2025 Q1	$11.7M	Buy	+100,000	New	+$13.5M	0.02%	830
2021 Q4	–	Sell	-216,400	Closed	-$18.7M	–	2482
2021 Q3	$18.7M	Buy	+216,400	New	+$20.5M	0.08%	359
2015 Q4	–	Sell	-553,200	Closed	-$8.76M	–	1368
2015 Q3	$8.76M	Buy	553,200 +50,000	+10%	+$871K	0.06%	378
2015 Q2	$10M	Buy	+503,200	New	+$9.41M	0.06%	395

Other funds holding MTZ

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Peconic Partners New York $5.78B AUM 127.23% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

HCC

Hill City Capital Boston, Massachusetts $2.8B AUM 79.27% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return

LPC

Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Balyasny Asset Management's MTZ Position: Q1 2026 in Review

Balyasny Asset Management increased its MasTec (MTZ) stake by 0.39% in Q1 2026, buying an estimated $135K and bringing the position to 128,628 shares worth $41.4M. The position accounts for 0.05% of the portfolio, ranked #409.

Balyasny Asset Management first reported a position in MTZ in Q2 2013 and has held it in 30 quarters since. The position peaked at $89.2M in Q3 2025. 806 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

Balyasny Asset Management held 128,628 shares of MasTec worth $41.4M as of Q1 2026.
Balyasny Asset Management bought 497 MasTec shares in Q1 2026, an estimated $135K.
MasTec made up 0.05% of Balyasny Asset Management's portfolio in Q1 2026, its #409 holding.
Balyasny Asset Management first reported a position in MasTec in Q2 2013 and has held it in 30 quarters since.
Balyasny Asset Management's MasTec position peaked at $89.2M in Q3 2025.
806 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Balyasny Asset Management's 13F filing for Q1 2026, filed 15 May 2026.