TCW Group’s MasTec MTZ Stock Holding History

TCW Group’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	$10.9M	Buy	26,174 +2,454	+10%	+$938K	0.07%	141
2026 Q1	$7.63M	Buy	23,720 +4,425	+23%	+$1.2M	0.06%	153
2025 Q4	$4.19M	Buy	19,295 +394	+2%	+$82.7K	0.03%	189
2025 Q3	$4.02M	Buy	+18,901	New	+$3.46M	0.03%	160

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

TCW Group's MTZ Position: Q2 2026 in Review

TCW Group increased its MasTec (MTZ) stake by 10% in Q2 2026, buying an estimated $938K and bringing the position to 26,174 shares worth $10.9M. The position accounts for 0.07% of the portfolio, ranked #141.

TCW Group first reported a position in MTZ in Q3 2025 and has held it in 4 quarters since. 911 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

TCW Group held 26,174 shares of MasTec worth $10.9M as of Q2 2026.
TCW Group bought 2,454 MasTec shares in Q2 2026, an estimated $938K.
MasTec made up 0.07% of TCW Group's portfolio in Q2 2026, its #141 holding.
TCW Group first reported a position in MasTec in Q3 2025 and has held it in 4 quarters since.
911 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on TCW Group's 13F filing for Q2 2026, filed 3 Aug 2026.