Simplex Trading
MTZ icon

Simplex Trading’s MasTec MTZ Stock Holding History

Simplex Trading’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
Q1 		$1.25M Buy
3,900
+1,200
+44% +$325K ﹤0.01% 2266
2025
Q4 		$587K Sell
2,700
-2,700
-50% -$567K ﹤0.01% 3146
2025
Q3 		$1.15M Buy
5,400
+4,000
+286% +$732K ﹤0.01% 2921
2025
Q2 		$238K Sell
1,400
-20,600
-94% -$2.97M ﹤0.01% 4327
2025
Q1 		$2.57M Sell
22,000
-26,600
-55% -$3.59M ﹤0.01% 1806
2024
Q4 		$6.62M Sell
48,600
-44,900
-48% -$6.02M ﹤0.01% 1278
2024
Q3 		$11.5M Buy
93,500
+6,100
+7% +$666K 0.01% 950
2024
Q2 		$9.35M Sell
87,400
-14,900
-15% -$1.51M 0.01% 1057
2024
Q1 		$9.54M Sell
102,300
-22,900
-18% -$1.74M 0.01% 1152
2023
Q4 		$9.48M Buy
125,200
+49,200
+65% +$3.08M 0.01% 1120
2023
Q3 		$5.47M Buy
76,000
+70,100
+1,188% +$6.99M ﹤0.01% 1282
2023
Q2 		$696K Sell
5,900
-13,500
-70% -$1.32M ﹤0.01% 2965
2023
Q1 		$1.83M Sell
19,400
-15,900
-45% -$1.51M ﹤0.01% 2022
2022
Q4 		$3.01M Buy
35,300
+23,200
+192% +$1.9M ﹤0.01% 1556
2022
Q3 		$768K Sell
12,100
-20,100
-62% -$1.56M ﹤0.01% 2967
2022
Q2 		$2.31M Buy
32,200
+17,600
+121% +$1.37M ﹤0.01% 1726
2022
Q1 		$1.27M Buy
14,600
+1,500
+11% +$131K ﹤0.01% 2615
2021
Q4 		$1.21M Sell
13,100
-44,900
-77% -$4.1M ﹤0.01% 2615
2021
Q3 		$6.17M Hold
58,000
– – 0.01% 1030
2021
Q2 		$6.15M Buy
58,000
+57,756
+23,670% +$6.27M 0.01% 1012
2021
Q1 		$2.29M Buy
244
+142
+139% +$12.2K ﹤0.01% 1469
2020
Q4 		$695K Buy
102
+30
+42% +$1.68K ﹤0.01% 3013
2020
Q3 		$303K Buy
72
+23
+47% +$989 ﹤0.01% 3589
2020
Q2 		$219K Buy
49
+15
+44% +$569 ﹤0.01% 3898
2020
Q1 		$111K Buy
34
+17
+100% +$865 ﹤0.01% 4264
2019
Q4 		$109K Sell
17
-1
-6% -$66 ﹤0.01% 4437
2019
Q3 		$116K Hold
18
– – ﹤0.01% 4157
2019
Q2 		$92K Sell
18
-649
-97% -$32.1K ﹤0.01% 4271
2019
Q1 		$3.21M Buy
667
+623
+1,416% +$28K 0.01% 990
2018
Q4 		$178K Sell
44
-89
-67% -$3.83K ﹤0.01% 3275
2018
Q3 		$593K Sell
133
-370
-74% -$17.1K ﹤0.01% 2446
2018
Q2 		$2.55M Buy
503
+483
+2,415% +$23.3K 0.01% 974
2018
Q1 		$4K Hold
20
– – ﹤0.01% 4809
2017
Q4 		$2K Sell
20
-147
-88% -$6.56K ﹤0.01% 5221
2017
Q3 		$15K Buy
167
+42
+34% +$1.83K ﹤0.01% 3429
2017
Q2 		$15K Sell
125
-126
-50% -$5.45K ﹤0.01% 3582
2017
Q1 		$4K Buy
251
+117
+87% +$4.48K ﹤0.01% 4790
2016
Q4 		$7K Sell
134
-2
-1% -$68 ﹤0.01% 4063
2016
Q3 		$2K Buy
+136
New +$3.73K ﹤0.01% 4990
2016
Q1 		– Sell
-24
Closed -$3K – 6001
2015
Q4 		$3K Buy
24
+18
+300% +$320 ﹤0.01% 4260
2015
Q3 		$1K Sell
6
-2
-25% -$35 ﹤0.01% 5077
2015
Q2 		$1K Sell
8
-3
-27% -$56 ﹤0.01% 4726
2015
Q1 		$16K Sell
11
-10
-48% -$200 ﹤0.01% 2500
2014
Q4 		$22K Buy
+21
New +$519 ﹤0.01% 1975

Other funds holding MTZ

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
PP
Peconic Partners New York $5.78B AUM 127.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
HCC
Hill City Capital Boston, Massachusetts $2.8B AUM 79.27% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
LPC
Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Simplex Trading's MTZ Position: Q1 2026 in Review

Simplex Trading sold out of MasTec (MTZ) in Q1 2026, closing a stake of 2,516 shares — an estimated $681K sold.

Simplex Trading first reported a position in MTZ in Q1 2015 and held it in 15 quarters. The position peaked at $4.88M in Q4 2023. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

  • Simplex Trading reported no remaining MasTec position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 2,516 MasTec shares in Q1 2026, an estimated $681K.
  • Simplex Trading first reported a position in MasTec in Q1 2015 and held it in 15 quarters.
  • Simplex Trading's MasTec position peaked at $4.88M in Q4 2023.
  • 805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.