Boston Partners
MTZ icon

Boston Partners’s MasTec MTZ Stock Holding History

Boston Partners’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
2025
Q3 		– Sell
-17,587
Closed -$3M – 784
2025
Q2 		$3M Buy
17,587
+2,471
+16% +$356K ﹤0.01% 504
2025
Q1 		$1.76M Buy
15,116
+1,471
+11% +$198K ﹤0.01% 507
2024
Q4 		$1.86M Sell
13,645
-3,348
-20% -$449K ﹤0.01% 506
2024
Q3 		$2.09M Sell
16,993
-46,221
-73% -$5.05M ﹤0.01% 507
2024
Q2 		$6.76M Buy
63,214
+55,197
+688% +$5.58M 0.01% 426
2024
Q1 		$748K Buy
+8,017
New +$610K ﹤0.01% 630
2021
Q2 		– Sell
-2,177,579
Closed -$204M – 660
2021
Q1 		$204M Sell
2,177,579
-585,554
-21% -$50.1M 0.27% 119
2020
Q4 		$188M Sell
2,763,133
-76,390
-3% -$4.29M 0.29% 113
2020
Q3 		$120M Buy
2,839,523
+520,163
+22% +$22.4M 0.22% 143
2020
Q2 		$104M Buy
2,319,360
+1,773,250
+325% +$67.2M 0.19% 159
2020
Q1 		$17.8M Buy
+546,110
New +$27.8M 0.04% 289
2018
Q3 		– Sell
-1,503,110
Closed -$76.3M – 757
2018
Q2 		$76.3M Buy
1,503,110
+37,654
+3% +$1.82M 0.09% 204
2018
Q1 		$68.9M Buy
+1,465,456
New +$74.3M 0.08% 216

Other funds holding MTZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
HCC
Hill City Capital Boston, Massachusetts $4.28B AUM 80.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return
Nordea Investment Management
Nordea Investment Management Stockholm, Sweden $123B AUM 38.85% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

Boston Partners's MTZ Position: Q3 2025 in Review

Boston Partners sold out of MasTec (MTZ) in Q3 2025, closing a stake of 17,587 shares — an estimated $3M sold.

Boston Partners first reported a position in MTZ in Q1 2018 and held it in 13 quarters. The position peaked at $204M in Q1 2021. 653 funds tracked by Wall St. Rank hold MTZ as of Q3 2025.

  • Boston Partners reported no remaining MasTec position as of Q3 2025 after selling out during the quarter.
  • Boston Partners sold 17,587 MasTec shares in Q3 2025, an estimated $3M.
  • Boston Partners first reported a position in MasTec in Q1 2018 and held it in 13 quarters.
  • Boston Partners's MasTec position peaked at $204M in Q1 2021.
  • 653 funds tracked by Wall St. Rank held MasTec as of Q3 2025.

Based on Boston Partners's 13F filing for Q3 2025, filed 13 Nov 2025.