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	$2.77M	Sell	8,600 -200	-2%	-$54.1K	﹤0.01%	1493
2025 Q4	$1.91M	Sell	8,800 -3,600	-29%	-$755K	﹤0.01%	1948
2025 Q3	$2.64M	Sell	12,400 -8,800	-42%	-$1.61M	﹤0.01%	1635
2025 Q2	$3.61M	Buy	21,200 +12,600	+147%	+$1.81M	0.01%	1385
2025 Q1	$1M	Buy	8,600 +6,300	+274%	+$850K	﹤0.01%	2057
2024 Q4	$313K	Sell	2,300 -6,200	-73%	-$831K	﹤0.01%	2955
2024 Q3	$1.05M	Sell	8,500 -6,500	-43%	-$710K	﹤0.01%	2068
2024 Q2	$1.6M	Sell	15,000 -24,100	-62%	-$2.43M	﹤0.01%	1741
2024 Q1	$3.65M	Sell	39,100 -3,500	-8%	-$266K	0.01%	1340
2023 Q4	$3.23M	Buy	42,600 +40,500	+1,929%	+$2.53M	0.01%	1540
2023 Q3	$151K	Buy	2,100 +500	+31%	+$49.8K	﹤0.01%	3775
2023 Q2	$189K	Sell	1,600 -4,400	-73%	-$431K	﹤0.01%	3462
2023 Q1	$567K	Sell	6,000 -33,900	-85%	-$3.22M	﹤0.01%	2689
2022 Q4	$3.4M	Buy	39,900 +2,300	+6%	+$189K	0.01%	1314
2022 Q3	$2.39M	Buy	37,600 +6,300	+20%	+$487K	0.01%	1562
2022 Q2	$2.24M	Buy	31,300 +20,100	+179%	+$1.57M	0.01%	1582
2022 Q1	$976K	Buy	11,200 +9,300	+489%	+$813K	﹤0.01%	2250
2021 Q4	$175K	Sell	1,900 -6,700	-78%	-$612K	﹤0.01%	4012
2021 Q3	$742K	Buy	8,600 +2,500	+41%	+$237K	﹤0.01%	2532
2021 Q2	$647K	Sell	6,100 -27,200	-82%	-$2.95M	﹤0.01%	2619
2021 Q1	$3.12M	Buy	33,300 +2,600	+8%	+$222K	0.01%	982
2020 Q4	$2.09M	Buy	30,700 +26,100	+567%	+$1.46M	0.01%	1356
2020 Q3	$194K	Buy	4,600 +3,600	+360%	+$155K	﹤0.01%	3015
2020 Q2	$45K	Sell	1,000 -31,600	-97%	-$1.2M	﹤0.01%	3822
2020 Q1	$1.07M	Buy	32,600 +21,300	+188%	+$1.08M	0.01%	1253
2019 Q4	$725K	Sell	11,300 -17,000	-60%	-$1.12M	0.01%	2080
2019 Q3	$1.84M	Buy	28,300 +16,300	+136%	+$951K	0.02%	1124
2019 Q2	$618K	Sell	12,000 -3,300	-22%	-$163K	0.01%	2011
2019 Q1	$736K	Sell	15,300 -6,800	-31%	-$306K	0.01%	1928
2018 Q4	$896K	Sell	22,100 -24,400	-52%	-$1.05M	0.01%	1835
2018 Q3	$2.08M	Sell	46,500 -59,800	-56%	-$2.77M	0.01%	1290
2018 Q2	$5.39M	Buy	106,300 +95,500	+884%	+$4.61M	0.03%	563
2018 Q1	$508K	Sell	10,800 -6,600	-38%	-$335K	﹤0.01%	2641
2017 Q4	$852	Sell	17,400 -12,000	-41%	-$535K	﹤0.01%	2095
2017 Q3	$1.36K	Sell	29,400 -78,300	-73%	-$3.41M	0.01%	1605
2017 Q2	$4.87K	Buy	107,700 +104,200	+2,977%	+$4.51M	0.03%	595
2017 Q1	$140	Buy	3,500 +3,300	+1,650%	+$126K	﹤0.01%	3195
2016 Q4	$8K	Sell	200 -100	-33%	-$3.39K	﹤0.01%	4366
2016 Q3	$9K	Sell	300 -13,600	-98%	-$373K	﹤0.01%	4435
2016 Q2	$310K	Buy	13,900 +3,500	+34%	+$77.6K	﹤0.01%	2616
2016 Q1	$210K	Sell	10,400 -700	-6%	-$11.5K	﹤0.01%	2741
2015 Q4	$193K	Sell	11,100 -16,200	-59%	-$288K	﹤0.01%	2738
2015 Q3	$432K	Buy	27,300 +24,500	+875%	+$427K	﹤0.01%	1662
2015 Q2	$56K	Buy	2,800 +1,900	+211%	+$35.5K	﹤0.01%	3414
2015 Q1	$18K	Buy	+900	New	+$18K	﹤0.01%	3542
2014 Q4	–	Sell	-3,300	Closed	-$101K	–	4408
2014 Q3	$101K	Buy	3,300 +1,300	+65%	+$38.6K	﹤0.01%	2647
2014 Q2	$62	Sell	2,000 -10,400	-84%	-$392K	﹤0.01%	2752
2014 Q1	$539	Buy	+12,400	New	+$471K	0.01%	1241

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.