Guggenheim Capital’s MasTec MTZ Stock Holding History

Guggenheim Capital’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	$2.92M	Buy	9,073 +6,385	+238%	+$1.73M	0.02%	592
2025 Q4	$584K	Sell	2,688 -729	-21%	-$153K	﹤0.01%	1205
2025 Q3	$727K	Sell	3,417 -15	-0.4%	-$2.75K	0.01%	1033
2025 Q2	$585K	Sell	3,432 -282	-8%	-$40.6K	﹤0.01%	1102
2025 Q1	$433K	Sell	3,714 -561	-13%	-$75.7K	﹤0.01%	1270
2024 Q4	$582K	Buy	4,275 +1,516	+55%	+$203K	﹤0.01%	1202
2024 Q3	$340K	Sell	2,759 -470	-15%	-$51.3K	﹤0.01%	1563
2024 Q2	$345K	Sell	3,229 -110	-3%	-$11.1K	﹤0.01%	1595
2024 Q1	$311K	Sell	3,339 -1,047	-24%	-$79.6K	﹤0.01%	1653
2023 Q4	$332K	Buy	+4,386	New	+$274K	﹤0.01%	1623
2021 Q4	–	Sell	-8,360	Closed	-$721K	–	2180
2021 Q3	$721K	Sell	8,360 -5,785	-41%	-$549K	﹤0.01%	1583
2021 Q2	$1.5M	Sell	14,145 -2,719	-16%	-$295K	0.01%	1268
2021 Q1	$1.58M	Buy	16,864 +3,016	+22%	+$258K	0.01%	1156
2020 Q4	$944K	Sell	13,848 -16,343	-54%	-$917K	0.01%	1371
2020 Q3	$1.27M	Buy	30,191 +6,810	+29%	+$293K	0.01%	1101
2020 Q2	$1.05M	Sell	23,381 -9,312	-28%	-$353K	0.01%	1168
2020 Q1	$1.07M	Buy	32,693 +13,955	+74%	+$710K	0.01%	1056
2019 Q4	$1.2M	Buy	18,738 +11,190	+148%	+$737K	0.01%	1265
2019 Q3	$490K	Sell	7,548 -5,314	-41%	-$310K	﹤0.01%	1626
2019 Q2	$662K	Buy	12,862 +392	+3%	+$19.4K	0.01%	1537
2019 Q1	$600K	Sell	12,470 -7,516	-38%	-$338K	﹤0.01%	1598
2018 Q4	$811K	Buy	19,986 +1,525	+8%	+$65.7K	0.01%	1467
2018 Q3	$824K	Sell	18,461 -4,736	-20%	-$219K	0.01%	1721
2018 Q2	$1.18M	Sell	23,197 -2,098	-8%	-$101K	0.01%	1534
2018 Q1	$1.19M	Buy	25,295 +3,382	+15%	+$171K	﹤0.01%	1979
2017 Q4	$1.07M	Buy	21,913 +8,413	+62%	+$375K	﹤0.01%	2041
2017 Q3	$628K	Buy	13,500 +4,655	+53%	+$203K	﹤0.01%	2310
2017 Q2	$399K	Sell	8,845 -3,258	-27%	-$141K	﹤0.01%	2472
2017 Q1	$486K	Buy	12,103 +284	+2%	+$10.9K	﹤0.01%	2391
2016 Q4	$452K	Buy	11,819 +330	+3%	+$11.2K	﹤0.01%	2453
2016 Q3	$342K	Sell	11,489 -1,118	-9%	-$30.7K	﹤0.01%	2521
2016 Q2	$281K	Sell	12,607 -1,946	-13%	-$43.2K	﹤0.01%	2567
2016 Q1	$295K	Sell	14,553 -8,337	-36%	-$136K	﹤0.01%	2560
2015 Q4	$398K	Buy	22,890 +617	+3%	+$11K	﹤0.01%	2546
2015 Q3	$352K	Buy	22,273 +5,093	+30%	+$88.7K	﹤0.01%	2532
2015 Q2	$342K	Buy	+17,180	New	+$321K	﹤0.01%	2651
2014 Q1	–	Sell	-8,080	Closed	-$264K	–	3331
2013 Q4	$264K	Buy	+8,080	New	+$256K	﹤0.01%	2756

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

Guggenheim Capital's MTZ Position: Q1 2026 in Review

Guggenheim Capital increased its MasTec (MTZ) stake by 238% in Q1 2026, buying an estimated $1.73M and bringing the position to 9,073 shares worth $2.92M. The position accounts for 0.02% of the portfolio, ranked #592.

Guggenheim Capital first reported a position in MTZ in Q4 2013 and has held it in 37 quarters since. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

Guggenheim Capital held 9,073 shares of MasTec worth $2.92M as of Q1 2026.
Guggenheim Capital bought 6,385 MasTec shares in Q1 2026, an estimated $1.73M.
MasTec made up 0.02% of Guggenheim Capital's portfolio in Q1 2026, its #592 holding.
Guggenheim Capital first reported a position in MasTec in Q4 2013 and has held it in 37 quarters since.
805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

Based on Guggenheim Capital's 13F filing for Q1 2026, filed 15 May 2026.