Mariner Investment Group’s MasTec MTZ Stock Holding History

Mariner Investment 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	$3.33M	Buy	8,000 +2,000	+33%	+$765K	0.72%	21
2026 Q1	$1.93M	Sell	6,000 -8,500	-59%	-$2.3M	0.56%	22
2025 Q4	$3.15M	Buy	14,500 +12,900	+806%	+$2.71M	0.18%	36
2025 Q3	$340K	Sell	1,600 -3,400	-68%	-$623K	0.1%	47
2025 Q2	$852K	Buy	+5,000	New	+$720K	0.3%	32

Other funds holding MTZ

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Nordea Investment Management Stockholm, Sweden $123B AUM 38.85% 1-Year Est. Return

HAI

Hennessy Advisors Inc Novato, California $3.13B AUM 77.26% 1-Year Est. Return

OAM

OP Asset Management Helsinki $9.38B AUM 42.35% 1-Year Est. Return

CTB

Country Trust Bank Bloomington, Illinois $5.71B AUM 25.48% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

KMC

Kirr Marbach & Co Columbus, Indiana $594M AUM 34% 1-Year Est. Return

Mariner Investment Group's MTZ Position: Q2 2026 in Review

Mariner Investment Group increased its MasTec (MTZ) stake by 33% in Q2 2026, buying an estimated $765K and bringing the position to 8,000 shares worth $3.33M. The position accounts for 0.72% of the portfolio, ranked #21.

Mariner Investment Group first reported a position in MTZ in Q2 2025 and has held it in 5 quarters since. 446 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

Mariner Investment Group held 8,000 shares of MasTec worth $3.33M as of Q2 2026.
Mariner Investment Group bought 2,000 MasTec shares in Q2 2026, an estimated $765K.
MasTec made up 0.72% of Mariner Investment Group's portfolio in Q2 2026, its #21 holding.
Mariner Investment Group first reported a position in MasTec in Q2 2025 and has held it in 5 quarters since.
446 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Mariner Investment Group's 13F filing for Q2 2026, filed 27 Jul 2026.