Brown Advisory’s MasTec MTZ Stock Holding History

Brown Advisory’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	-983	Closed	-$316K	–	1500
2026 Q1	$316K	Buy	+983	New	+$266K	﹤0.01%	1191
2018 Q4	–	Sell	-8,966	Closed	-$400K	–	1314
2018 Q3	$400K	Sell	8,966 -1,255	-12%	-$58.1K	﹤0.01%	1065
2018 Q2	$519K	Sell	10,221 -2,833	-22%	-$137K	﹤0.01%	967
2018 Q1	$614K	Sell	13,054 -1,334	-9%	-$67.6K	﹤0.01%	779
2017 Q4	$704K	Buy	14,388 +984	+7%	+$43.9K	﹤0.01%	777
2017 Q3	$622K	Buy	13,404 +4,192	+46%	+$183K	﹤0.01%	786
2017 Q2	$416K	Buy	+9,212	New	+$398K	﹤0.01%	904

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

Brown Advisory's MTZ Position: Q2 2026 in Review

Brown Advisory sold out of MasTec (MTZ) in Q2 2026, closing a stake of 983 shares — an estimated $316K sold.

Brown Advisory first reported a position in MTZ in Q2 2017 and held it in 7 quarters. The position peaked at $704K in Q4 2017. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

Brown Advisory reported no remaining MasTec position as of Q2 2026 after selling out during the quarter.
Brown Advisory sold 983 MasTec shares in Q2 2026, an estimated $316K.
Brown Advisory first reported a position in MasTec in Q2 2017 and held it in 7 quarters.
Brown Advisory's MasTec position peaked at $704K in Q4 2017.
911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.