Groupama Asset Management’s MasTec MTZ Stock Holding History

Groupama Asset Management’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	$1.61M	Buy	3,874 +2,970	+329%	+$1.14M	0.02%	178
2026 Q1	$291K	Sell	904 -79	-8%	-$21.4K	﹤0.01%	358
2025 Q4	$214K	Sell	983 -65	-6%	-$13.6K	﹤0.01%	429
2025 Q3	$223K	Buy	+1,048	New	+$192K	﹤0.01%	439

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 $3.38T AUM 44.17% 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

Groupama Asset Management's MTZ Position: Q2 2026 in Review

Groupama Asset Management increased its MasTec (MTZ) stake by 329% in Q2 2026, buying an estimated $1.14M and bringing the position to 3,874 shares worth $1.61M. The position accounts for 0.02% of the portfolio, ranked #178.

Groupama Asset Management first reported a position in MTZ in Q3 2025 and has held it in 4 quarters since. 912 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

Groupama Asset Management held 3,874 shares of MasTec worth $1.61M as of Q2 2026.
Groupama Asset Management bought 2,970 MasTec shares in Q2 2026, an estimated $1.14M.
MasTec made up 0.02% of Groupama Asset Management's portfolio in Q2 2026, its #178 holding.
Groupama Asset Management first reported a position in MasTec in Q3 2025 and has held it in 4 quarters since.
912 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Groupama Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.