Assenagon Asset Management
MTZ icon

Assenagon Asset Management’s MasTec MTZ Stock Holding History

Assenagon 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 		$53.8M Sell
129,199
-126,023
-49% -$48.2M 0.07% 217
2026
Q1 		$82.1M Buy
255,222
+90,682
+55% +$24.6M 0.12% 135
2025
Q4 		$35.8M Sell
164,540
-32,557
-17% -$6.83M 0.05% 273
2025
Q3 		$41.9M Sell
197,097
-84,074
-30% -$15.4M 0.06% 248
2025
Q2 		$47.9M Buy
281,171
+35,940
+15% +$5.18M 0.07% 218
2025
Q1 		$28.6M Buy
245,231
+59,056
+32% +$7.97M 0.05% 289
2024
Q4 		$25.3M Sell
186,175
-140,307
-43% -$18.8M 0.04% 317
2024
Q3 		$40.2M Buy
326,482
+77,976
+31% +$8.51M 0.07% 211
2024
Q2 		$26.6M Buy
248,506
+123,063
+98% +$12.4M 0.06% 241
2024
Q1 		$11.7M Sell
125,443
-15,293
-11% -$1.16M 0.03% 389
2023
Q4 		$10.7M Buy
140,736
+71,616
+104% +$4.48M 0.03% 435
2023
Q3 		$4.97M Buy
+69,120
New +$6.89M 0.02% 580
2022
Q1 		– Sell
-37,542
Closed -$3.46M – 1513
2021
Q4 		$3.46M Sell
37,542
-203,844
-84% -$18.6M 0.01% 622
2021
Q3 		$20.8M Buy
241,386
+120,144
+99% +$11.4M 0.07% 203
2021
Q2 		$12.9M Buy
+121,242
New +$13.2M 0.04% 297
2020
Q3 		– Sell
-64,797
Closed -$2.91M – 1276
2020
Q2 		$2.91M Buy
+64,797
New +$2.46M 0.02% 475
2020
Q1 		– Sell
-85,474
Closed -$5.48M – 929
2019
Q4 		$5.48M Buy
+85,474
New +$5.63M 0.03% 229

Other funds holding MTZ

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PP
Peconic Partners New York $8.04B AUM 107.18% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
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
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
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

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

Assenagon Asset Management reduced its MasTec (MTZ) stake by 49% in Q2 2026, selling an estimated $48.2M and leaving 129,199 shares worth $53.8M. The position accounts for 0.07% of the portfolio, ranked #217.

Assenagon Asset Management first reported a position in MTZ in Q4 2019 and has held it in 17 quarters since. The position peaked at $82.1M in Q1 2026. 908 funds tracked by Wall St. Rank hold MTZ as of Q2 2026.

  • Assenagon Asset Management held 129,199 shares of MasTec worth $53.8M as of Q2 2026.
  • Assenagon Asset Management sold 126,023 MasTec shares in Q2 2026, an estimated $48.2M.
  • MasTec made up 0.07% of Assenagon Asset Management's portfolio in Q2 2026, its #217 holding.
  • Assenagon Asset Management first reported a position in MasTec in Q4 2019 and has held it in 17 quarters since.
  • Assenagon Asset Management's MasTec position peaked at $82.1M in Q1 2026.
  • 908 funds tracked by Wall St. Rank held MasTec as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.