Walleye Trading’s MasTec MTZ Stock Holding History

Walleye 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	$10.5M	Buy	32,600 +26,000	+394%	+$7.04M	0.02%	766
2025 Q4	$1.43M	Buy	6,600 +3,800	+136%	+$797K	﹤0.01%	2128
2025 Q3	$596K	Sell	2,800 -27,600	-91%	-$5.05M	﹤0.01%	2613
2025 Q2	$5.18M	Buy	30,400 +18,400	+153%	+$2.65M	0.01%	1182
2025 Q1	$1.4M	Buy	12,000 +1,000	+9%	+$135K	﹤0.01%	1861
2024 Q4	$1.5M	Sell	11,000 -21,900	-67%	-$2.94M	﹤0.01%	1873
2024 Q3	$4.05M	Sell	32,900 -78,400	-70%	-$8.56M	0.01%	1262
2024 Q2	$11.9M	Buy	111,300 +41,300	+59%	+$4.17M	0.03%	595
2024 Q1	$6.53M	Buy	70,000 +58,100	+488%	+$4.42M	0.01%	964
2023 Q4	$901K	Sell	11,900 -400	-3%	-$25K	﹤0.01%	2568
2023 Q3	$885K	Sell	12,300 -200	-2%	-$19.9K	﹤0.01%	2471
2023 Q2	$1.47M	Sell	12,500 -7,200	-37%	-$705K	﹤0.01%	1885
2023 Q1	$1.86M	Sell	19,700 -6,500	-25%	-$618K	﹤0.01%	1741
2022 Q4	$2.24M	Buy	26,200 +7,300	+39%	+$599K	0.01%	1593
2022 Q3	$1.2M	Sell	18,900 -2,900	-13%	-$224K	﹤0.01%	2104
2022 Q2	$1.56M	Buy	21,800 +15,900	+269%	+$1.24M	0.01%	1870
2022 Q1	$514K	Buy	5,900 +4,500	+321%	+$393K	﹤0.01%	2895
2021 Q4	$129K	Sell	1,400 -3,500	-71%	-$320K	﹤0.01%	4238
2021 Q3	$423K	Sell	4,900 -23,700	-83%	-$2.25M	﹤0.01%	3090
2021 Q2	$3.03M	Buy	28,600 +24,700	+633%	+$2.68M	0.01%	1156
2021 Q1	$365K	Sell	3,900 -9,600	-71%	-$821K	﹤0.01%	3020
2020 Q4	$920K	Sell	13,500 -2,800	-17%	-$157K	﹤0.01%	2049
2020 Q3	$688K	Buy	16,300 +3,900	+31%	+$168K	﹤0.01%	1956
2020 Q2	$556K	Sell	12,400 -27,200	-69%	-$1.03M	﹤0.01%	2197
2020 Q1	$1.3M	Buy	39,600 +6,300	+19%	+$320K	0.01%	1120
2019 Q4	$2.14M	Sell	33,300 -9,400	-22%	-$619K	0.01%	1184
2019 Q3	$2.77M	Buy	42,700 +25,600	+150%	+$1.49M	0.02%	806
2019 Q2	$881K	Sell	17,100 -53,900	-76%	-$2.66M	0.01%	1701
2019 Q1	$3.42M	Buy	71,000 +53,300	+301%	+$2.39M	0.03%	705
2018 Q4	$718K	Sell	17,700 -3,300	-16%	-$142K	0.01%	2094
2018 Q3	$938K	Buy	21,000 +600	+3%	+$27.8K	﹤0.01%	2146
2018 Q2	$1.03M	Buy	20,400 +13,800	+209%	+$667K	0.01%	2066
2018 Q1	$311K	Sell	6,600 -1,000	-13%	-$50.7K	﹤0.01%	3103
2017 Q4	$372	Sell	7,600 -27,000	-78%	-$1.2M	﹤0.01%	2896
2017 Q3	$1.61K	Sell	34,600 -10,200	-23%	-$444K	0.01%	1447
2017 Q2	$2.02K	Buy	44,800 +41,900	+1,445%	+$1.81M	0.01%	1189
2017 Q1	$116	Hold	2,900	–	–	﹤0.01%	3318
2016 Q4	$111K	Sell	2,900 -7,000	-71%	-$237K	﹤0.01%	3185
2016 Q3	$295K	Sell	9,900 -47,700	-83%	-$1.31M	﹤0.01%	2540
2016 Q2	$1.29M	Buy	57,600 +48,500	+533%	+$1.08M	0.01%	1372
2016 Q1	$183K	Sell	9,100 -800	-8%	-$13.1K	﹤0.01%	2857
2015 Q4	$171K	Buy	9,900 +5,000	+102%	+$88.8K	﹤0.01%	2842
2015 Q3	$78K	Buy	4,900 +700	+17%	+$12.2K	﹤0.01%	3156
2015 Q2	$84K	Buy	4,200 +1,300	+45%	+$24.3K	﹤0.01%	3159
2015 Q1	$56K	Buy	2,900 +2,700	+1,350%	+$54K	﹤0.01%	3043
2014 Q4	$5K	Sell	200 -1,000	-83%	-$24.7K	﹤0.01%	4035
2014 Q3	$36K	Sell	1,200 -9,100	-88%	-$271K	﹤0.01%	3312
2014 Q2	$317	Buy	10,300 +10,100	+5,050%	+$381K	﹤0.01%	1626
2014 Q1	$8	Buy	+200	New	+$7.59K	﹤0.01%	3278

Other funds holding MTZ

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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 Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Walleye Trading's MTZ Position: Q1 2026 in Review

Walleye Trading increased its MasTec (MTZ) stake by 666% in Q1 2026, buying an estimated $2.61M and bringing the position to 11,081 shares worth $3.57M. The position accounts for 0.01% of the portfolio, ranked #1351.

Walleye Trading first reported a position in MTZ in Q4 2013 and has held it in 30 quarters since. The position peaked at $5.03M in Q3 2025. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

Walleye Trading held 11,081 shares of MasTec worth $3.57M as of Q1 2026.
Walleye Trading bought 9,634 MasTec shares in Q1 2026, an estimated $2.61M.
MasTec made up 0.01% of Walleye Trading's portfolio in Q1 2026, its #1351 holding.
Walleye Trading first reported a position in MasTec in Q4 2013 and has held it in 30 quarters since.
Walleye Trading's MasTec position peaked at $5.03M in Q3 2025.
805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.