Skip to main content
Livermore
Livermore
ZHEN

Millennium Management LLC

SEC CIK
0001273087
Latest filing
Aug 14, 2026

MTZ holding history

Mastec Inc in every 13F filed by Millennium Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MTZ overviewAll 13F holders of MTZFull Q2 2026 holdings

Shares (Q2 2026)
43,898
Value
$18.3M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of MTZ by Millennium Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202643,898$18.3M<0.1%−459,301−91.3%ReducedHolders
Q1 2026503,199$161.9M0.1%−229,074−31.3%ReducedHolders
Q4 2025732,273$159.2M0.1%−101,129−12.1%ReducedHolders
Q3 2025833,402$177.4M0.1%−244,420−22.7%ReducedHolders
Q2 20251,077,822$183.7M0.2%+131,476+13.9%AddedHolders
Q1 2025946,346$110.4M0.1%−514,003−35.2%ReducedHolders
Q4 20241,460,349$198.8M0.2%−292,917−16.7%ReducedHolders
Q3 20241,753,266$215.8M0.2%+1,144,034+187.8%AddedHolders
Q2 2024609,232$65.2M0.1%−519,415−46.0%ReducedHolders
Q1 20241,128,647$105.2M0.1%−145,504−11.4%ReducedHolders
Q4 20231,274,151$96.5M0.1%+1,043,138+451.5%AddedHolders
Q3 2023231,013$16.6M<0.1%−288,480−55.5%ReducedHolders
Q2 2023519,493$61.3M0.1%+67,351+14.9%AddedHolders
Q1 2023452,142$42.7M<0.1%+452,142NewHolders
Q4 20220$00.0%−11,341−100.0%Sold outHolders
Q3 202211,341$720.0K<0.1%−37,808−76.9%ReducedHolders
Q2 202249,149$3.52M<0.1%+45,013+1,088.3%AddedHolders
Q1 20224,136$360.0K<0.1%−120,945−96.7%ReducedHolders
Q4 2021125,081$11.5M<0.1%−397,418−76.1%ReducedHolders
Q3 2021522,499$45.1M0.1%−78,202−13.0%ReducedHolders
Q2 2021600,701$63.7M0.1%+524,090+684.1%AddedHolders
Q1 202176,611$7.18M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.