Flagship Harbor Advisors’s MasTec MTZ Stock Holding History

Flagship Harbor Advisors’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	-15	Closed	-$3.26K	–	1638
2025 Q4	$3.26K	Buy	+15	New	+$3.15K	﹤0.01%	1749
2020 Q4	–	Sell	-130	Closed	-$5K	–	1285
2020 Q3	$5K	Hold	130	–	–	﹤0.01%	1537
2020 Q2	$5K	Sell	130 -393	-75%	-$14.9K	﹤0.01%	1582
2020 Q1	$17K	Hold	523	–	–	﹤0.01%	1087
2019 Q4	$34K	Sell	523 -300	-36%	-$19.8K	0.01%	933
2019 Q3	$53K	Sell	823 -125	-13%	-$7.29K	0.01%	760
2019 Q2	$48K	Hold	948	–	–	0.01%	767
2019 Q1	$45K	Hold	948	–	–	0.01%	786
2018 Q4	$38K	Buy	948 +750	+379%	+$32.3K	0.01%	799
2018 Q3	$9K	Hold	198	–	–	﹤0.01%	1478
2018 Q2	$10K	Buy	+198	New	+$9.56K	﹤0.01%	1377

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

HCC

Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

LPC

Lone Pine Capital Greenwich, Connecticut $16.4B AUM 99.7% 1-Year Est. Return

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

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Flagship Harbor Advisors's MTZ Position: Q1 2026 in Review

Flagship Harbor Advisors sold out of MasTec (MTZ) in Q1 2026, closing a stake of 15 shares — an estimated $3.26K sold.

Flagship Harbor Advisors first reported a position in MTZ in Q2 2018 and held it in 11 quarters. The position peaked at $53K in Q3 2019. 811 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

Flagship Harbor Advisors reported no remaining MasTec position as of Q1 2026 after selling out during the quarter.
Flagship Harbor Advisors sold 15 MasTec shares in Q1 2026, an estimated $3.26K.
Flagship Harbor Advisors first reported a position in MasTec in Q2 2018 and held it in 11 quarters.
Flagship Harbor Advisors's MasTec position peaked at $53K in Q3 2019.
811 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Flagship Harbor Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.