John Overdeck’s MasTec MTZ Stock Holding History

John Overdeck’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	$1.37M	Buy	+3,300	New	+$1.26M	﹤0.01%	3345
2021 Q4	–	Sell	-13,100	Closed	-$1.13M	–	4650
2021 Q3	$1.13M	Buy	13,100 +5,600	+75%	+$531K	﹤0.01%	2507
2021 Q2	$796K	Sell	7,500 -6,500	-46%	-$706K	﹤0.01%	2691
2021 Q1	$1.31M	Sell	14,000 -3,000	-18%	-$257K	﹤0.01%	2066
2020 Q4	$1.16M	Buy	17,000 +8,800	+107%	+$494K	﹤0.01%	1881
2020 Q3	$346K	Buy	8,200 +1,200	+17%	+$51.6K	﹤0.01%	2495
2020 Q2	$314K	Sell	7,000 -3,900	-36%	-$148K	﹤0.01%	2350
2020 Q1	$357K	Sell	10,900 -2,400	-18%	-$122K	﹤0.01%	2178
2019 Q4	$853K	Buy	13,300 +7,300	+122%	+$481K	﹤0.01%	2324
2019 Q3	$390K	Buy	+6,000	New	+$350K	﹤0.01%	2751

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

John Overdeck's MTZ Position: Q2 2026 in Review

John Overdeck increased its MasTec (MTZ) stake by 25% in Q2 2026, buying an estimated $9.46M and bringing the position to 125,069 shares worth $52M. The position accounts for 0.04% of the portfolio, ranked #541.

John Overdeck first reported a position in MTZ in Q2 2013 and has held it in 37 quarters since. 908 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

John Overdeck held 125,069 shares of MasTec worth $52M as of Q2 2026.
John Overdeck bought 24,743 MasTec shares in Q2 2026, an estimated $9.46M.
MasTec made up 0.04% of John Overdeck's portfolio in Q2 2026, its #541 holding.
John Overdeck first reported a position in MasTec in Q2 2013 and has held it in 37 quarters since.
908 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.