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
2024 Q4	–	Sell	-18,500	Closed	-$2.28M	–	4706
2024 Q3	$2.28M	Buy	+18,500	New	+$2.02M	﹤0.01%	2620
2021 Q4	–	Sell	-19,000	Closed	-$1.64M	–	5592
2021 Q3	$1.64M	Hold	19,000	–	–	﹤0.01%	3205
2021 Q2	$2.02M	Hold	19,000	–	–	﹤0.01%	2933
2021 Q1	$1.78M	Buy	+19,000	New	+$1.63M	﹤0.01%	2683
2020 Q3	–	Sell	-56,300	Closed	-$2.53M	–	4036
2020 Q2	$2.53M	Buy	+56,300	New	+$2.13M	﹤0.01%	2217
2015 Q1	–	Sell	-20,000	Closed	-$452K	–	3871
2014 Q4	$452K	Sell	20,000 -30,000	-60%	-$742K	﹤0.01%	3405
2014 Q3	$1.53M	Sell	50,000 -6,900	-12%	-$205K	﹤0.01%	2438
2014 Q2	$1.75M	Buy	56,900 +13,900	+32%	+$524K	﹤0.01%	2413
2014 Q1	$1.87M	Buy	43,000 +29,900	+228%	+$1.13M	﹤0.01%	2456
2013 Q4	$429K	Hold	13,100	–	–	﹤0.01%	3815
2013 Q3	$397K	Hold	13,100	–	–	﹤0.01%	3744
2013 Q2	$431K	Buy	+13,100	New	+$395K	﹤0.01%	3352

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.