AllianceBernstein’s MasTec MTZ Stock Holding History

AllianceBernstein’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	$18.7M	Sell	86,045 -43,018	-33%	-$11.6M	0.01%	946
2025 Q4	$28.1M	Buy	129,063 +3,477	+3%	+$730K	0.01%	825
2025 Q3	$26.7M	Sell	125,586 -145,631	-54%	-$26.7M	0.01%	821
2025 Q2	$46.2M	Sell	271,217 -691,433	-72%	-$99.6M	0.02%	619
2025 Q1	$112M	Sell	962,650 -182,076	-16%	-$24.6M	0.04%	330
2024 Q4	$156M	Sell	1,144,726 -264,118	-19%	-$35.4M	0.05%	273
2024 Q3	$173M	Sell	1,408,844 -1,050,447	-43%	-$115M	0.06%	252
2024 Q2	$263M	Sell	2,459,291 -500,286	-17%	-$50.5M	0.09%	166
2024 Q1	$276M	Sell	2,959,577 -515,167	-15%	-$39.2M	0.1%	171
2023 Q4	$263M	Buy	3,474,744 +919,570	+36%	+$57.5M	0.1%	173
2023 Q3	$184M	Buy	2,555,174 +827,401	+48%	+$82.5M	0.08%	208
2023 Q2	$204M	Buy	1,727,773 +1,600,863	+1,261%	+$157M	0.08%	206
2023 Q1	$12M	Sell	126,910 -1,093	-0.9%	-$104K	0.01%	1018
2022 Q4	$10.9M	Buy	128,003 +2,813	+2%	+$231K	﹤0.01%	1057
2022 Q3	$7.95M	Sell	125,190 -1,045	-0.8%	-$80.9K	﹤0.01%	1193
2022 Q2	$9.05M	Sell	126,235 -39,547	-24%	-$3.08M	﹤0.01%	1163
2022 Q1	$14.4M	Buy	165,782 +39,531	+31%	+$3.45M	0.01%	1056
2021 Q4	$11.7M	Sell	126,251 -4,475	-3%	-$409K	﹤0.01%	1170
2021 Q3	$11.3M	Sell	130,726 -6,373	-5%	-$605K	﹤0.01%	1180
2021 Q2	$14.5M	Sell	137,099 -71,062	-34%	-$7.72M	0.01%	1065
2021 Q1	$19.5M	Sell	208,161 -10,967	-5%	-$938K	0.01%	935
2020 Q4	$14.9M	Buy	219,128 +9,593	+5%	+$538K	0.01%	956
2020 Q3	$8.84M	Sell	209,535 -21,475	-9%	-$923K	﹤0.01%	1085
2020 Q2	$10.4M	Sell	231,010 -15,522	-6%	-$588K	0.01%	989
2020 Q1	$8.07M	Buy	246,532 +8,030	+3%	+$408K	0.01%	992
2019 Q4	$15.3M	Buy	238,502 +7,780	+3%	+$512K	0.01%	908
2019 Q3	$15M	Buy	230,722 +3,947	+2%	+$230K	0.01%	895
2019 Q2	$11.7M	Sell	226,775 -1,512	-0.7%	-$74.7K	0.01%	981
2019 Q1	$11M	Buy	228,287 +25,620	+13%	+$1.15M	0.01%	1018
2018 Q4	$8.22M	Buy	202,667 +75,381	+59%	+$3.25M	0.01%	1071
2018 Q3	$5.68M	Buy	127,286 +26,120	+26%	+$1.21M	﹤0.01%	1216
2018 Q2	$5.13M	Hold	101,166	–	–	﹤0.01%	1227
2018 Q1	$4.76M	Sell	101,166 -900	-0.9%	-$45.6K	﹤0.01%	1239
2017 Q4	$5M	Sell	102,066 -69,250	-40%	-$3.09M	﹤0.01%	1225
2017 Q3	$7.95M	Sell	171,316 -33,080	-16%	-$1.44M	0.01%	1015
2017 Q2	$9.23M	Buy	204,396 +104,530	+105%	+$4.52M	0.01%	951
2017 Q1	$4M	Sell	99,866 -9,700	-9%	-$371K	﹤0.01%	1326
2016 Q4	$4.19M	Hold	109,566	–	–	﹤0.01%	1302
2016 Q3	$3.26M	Hold	109,566	–	–	﹤0.01%	1406
2016 Q2	$2.45M	Buy	109,566 +21,000	+24%	+$466K	﹤0.01%	1537
2016 Q1	$1.79M	Hold	88,566	–	–	﹤0.01%	1702
2015 Q4	$1.54M	Sell	88,566 -6,870	-7%	-$122K	﹤0.01%	1830
2015 Q3	$1.51M	Sell	95,436 -15,580	-14%	-$271K	﹤0.01%	1892
2015 Q2	$2.21M	Sell	111,016 -11,700	-10%	-$219K	﹤0.01%	1706
2015 Q1	$2.37M	Hold	122,716	–	–	﹤0.01%	1605
2014 Q4	$2.77M	Hold	122,716	–	–	﹤0.01%	1485
2014 Q3	$3.76M	Hold	122,716	–	–	﹤0.01%	1243
2014 Q2	$3.78M	Hold	122,716	–	–	﹤0.01%	1307
2014 Q1	$5.33M	Buy	122,716 +3,009	+3%	+$114K	﹤0.01%	1099
2013 Q4	$3.92M	Sell	119,707 -3,333	-3%	-$106K	﹤0.01%	1257
2013 Q3	$3.73M	Buy	123,040 +722	+0.6%	+$23.7K	﹤0.01%	1251
2013 Q2	$4.02M	Buy	+122,318	New	+$3.69M	﹤0.01%	1119

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

AllianceBernstein's MTZ Position: Q1 2026 in Review

AllianceBernstein reduced its MasTec (MTZ) stake by 33% in Q1 2026, selling an estimated $11.6M and leaving 86,045 shares worth $18.7M. The position accounts for 0.01% of the portfolio, ranked #946.

AllianceBernstein first reported a position in MTZ in Q2 2013 and has held it in 52 quarters since. The position peaked at $276M in Q1 2024. 805 funds tracked by Wall St. Rank hold MTZ as of Q1 2026.

AllianceBernstein held 86,045 shares of MasTec worth $18.7M as of Q1 2026.
AllianceBernstein sold 43,018 MasTec shares in Q1 2026, an estimated $11.6M.
MasTec made up 0.01% of AllianceBernstein's portfolio in Q1 2026, its #946 holding.
AllianceBernstein first reported a position in MasTec in Q2 2013 and has held it in 52 quarters since.
AllianceBernstein's MasTec position peaked at $276M in Q1 2024.
805 funds tracked by Wall St. Rank held MasTec as of Q1 2026.

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