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Livermore
Livermore
ZHEN

Mattern Capital Management, LLC

SEC CIK
0001803227
Latest filing
Jul 24, 2026

SPY holding history

SPDR S&P 500 ETF Trust in every 13F filed by Mattern Capital Management, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

SPY overviewAll 13F holders of SPYFull Q2 2026 holdings

Shares (Q2 2026)
2,285
Value
$1.71M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of SPY by Mattern Capital Management, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,285$1.71M0.2%+54+2.4%AddedHolders
Q1 20262,231$1.45M0.2%00.0%UnchangedHolders
Q4 20252,231$1.52M0.2%00.0%UnchangedHolders
Q3 20252,231$1.49M0.2%−334−13.0%ReducedHolders
Q2 20252,565$1.58M0.2%+1,005+64.4%AddedHolders
Q1 20251,560$872.7K0.1%−1,465−48.4%ReducedHolders
Q4 20243,025$1.77M0.2%+25+0.8%AddedHolders
Q3 20243,000$1.72M0.2%+49+1.7%AddedHolders
Q2 20242,951$1.61M0.2%00.0%UnchangedHolders
Q1 20242,951$1.54M0.2%00.0%UnchangedHolders
Q4 20232,951$1.40M0.2%00.0%UnchangedHolders
Q3 20232,951$1.26M0.2%00.0%UnchangedHolders
Q2 20232,951$1.31M0.2%−17−0.6%ReducedHolders
Q1 20232,968$1.22M0.2%−88−2.9%ReducedHolders
Q4 20223,056$1.17M0.2%+106+3.6%AddedHolders
Q3 20222,950$1.05M0.2%00.0%UnchangedHolders
Q2 20222,950$1.11M0.2%−112−3.7%ReducedHolders
Q1 20223,062$1.38M0.2%00.0%UnchangedHolders
Q4 20213,062$1.45M0.3%−56−1.8%ReducedHolders
Q3 20213,118$1.34M0.3%00.0%UnchangedHolders
Q2 20213,118$1.33M0.3%+1,367+78.1%AddedHolders
Q1 20211,751$694.0K0.2%––Holders

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