D.E. Shaw & Co’s MasTec MTZ Stock Holding History

D.E. Shaw & Co’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
2020 Q4	–	Sell	-32,600	Closed	-$1.38M	–	4078
2020 Q3	$1.38M	Buy	+32,600	New	+$1.4M	﹤0.01%	2647
2020 Q2	–	Sell	-40,000	Closed	-$1.31M	–	4171
2020 Q1	$1.31M	Buy	+40,000	New	+$2.03M	﹤0.01%	2518
2019 Q1	–	Sell	-7,200	Closed	-$292K	–	3806
2018 Q4	$292K	Sell	7,200 -3,800	-35%	-$164K	﹤0.01%	3365
2018 Q3	$491K	Buy	+11,000	New	+$509K	﹤0.01%	3125
2015 Q2	–	Sell	-50,000	Closed	-$965K	–	3822
2015 Q1	$965K	Sell	50,000 -27,900	-36%	-$558K	﹤0.01%	2580
2014 Q4	$1.76M	Buy	77,900 +40,000	+106%	+$989K	﹤0.01%	2372
2014 Q3	$1.16M	Buy	+37,900	New	+$1.13M	﹤0.01%	2677
2014 Q2	–	Sell	-28,500	Closed	-$1.24M	–	4411
2014 Q1	$1.24M	Sell	28,500 -31,500	-53%	-$1.2M	﹤0.01%	2840
2013 Q4	$1.96M	Hold	60,000	–	–	﹤0.01%	2549
2013 Q3	$1.82M	Hold	60,000	–	–	﹤0.01%	2514
2013 Q2	$1.97M	Buy	+60,000	New	+$1.81M	﹤0.01%	2129

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

D.E. Shaw & Co's MTZ Position: Q1 2026 in Review

D.E. Shaw & Co reduced its MasTec (MTZ) stake by 78% in Q1 2026, selling an estimated $50.2M and leaving 53,355 shares worth $17.2M. The position accounts for 0.01% of the portfolio, ranked #1250.

D.E. Shaw & Co first reported a position in MTZ in Q2 2013 and has held it in 34 quarters since. The position peaked at $58M in Q2 2025. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

D.E. Shaw & Co held 53,355 shares of MasTec worth $17.2M as of Q1 2026.
D.E. Shaw & Co sold 185,527 MasTec shares in Q1 2026, an estimated $50.2M.
MasTec made up 0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #1250 holding.
D.E. Shaw & Co first reported a position in MasTec in Q2 2013 and has held it in 34 quarters since.
D.E. Shaw & Co's MasTec position peaked at $58M in Q2 2025.
805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.