Mattern Capital Management’s State Street SPDR S&P 500 ETF Trust SPY Stock Holding History

Mattern Capital Management’s Portfolio SPY Stock Details SPY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.71M	Buy	2,285 +54	+2%	+$39.1K	0.2%	92
2026 Q1	$1.45M	Hold	2,231	–	–	0.17%	99
2025 Q4	$1.52M	Hold	2,231	–	–	0.18%	98
2025 Q3	$1.49M	Sell	2,231 -334	-13%	-$214K	0.17%	97
2025 Q2	$1.58M	Buy	2,565 +1,005	+64%	+$574K	0.19%	90
2025 Q1	$873K	Sell	1,560 -1,465	-48%	-$861K	0.11%	106
2024 Q4	$1.77M	Buy	3,025 +25	+0.8%	+$14.7K	0.23%	81
2024 Q3	$1.72M	Buy	3,000 +49	+2%	+$27.1K	0.22%	81
2024 Q2	$1.61M	Hold	2,951	–	–	0.22%	82
2024 Q1	$1.54M	Hold	2,951	–	–	0.21%	83
2023 Q4	$1.4M	Hold	2,951	–	–	0.2%	84
2023 Q3	$1.26M	Hold	2,951	–	–	0.2%	87
2023 Q2	$1.31M	Sell	2,951 -17	-0.6%	-$7.13K	0.21%	88
2023 Q1	$1.22M	Sell	2,968 -88	-3%	-$35.1K	0.21%	87
2022 Q4	$1.17M	Buy	3,056 +106	+4%	+$40.7K	0.22%	88
2022 Q3	$1.05M	Hold	2,950	–	–	0.22%	90
2022 Q2	$1.11M	Sell	2,950 -112	-4%	-$45.9K	0.22%	88
2022 Q1	$1.38M	Hold	3,062	–	–	0.25%	86
2021 Q4	$1.45M	Sell	3,062 -56	-2%	-$25.7K	0.25%	87
2021 Q3	$1.34M	Hold	3,118	–	–	0.26%	86
2021 Q2	$1.33M	Buy	3,118 +1,367	+78%	+$571K	0.26%	86
2021 Q1	$694K	Buy	+1,751	New	+$675K	0.15%	89

Other funds holding SPY

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

Mattern Capital Management's SPY Position: Q2 2026 in Review

Mattern Capital Management increased its State Street SPDR S&P 500 ETF Trust (SPY) stake by 2.4% in Q2 2026, buying an estimated $39.1K and bringing the position to 2,285 shares worth $1.71M. The position accounts for 0.2% of the portfolio, ranked #92.

Mattern Capital Management first reported a position in SPY in Q1 2021 and has held it in 22 quarters since. The position peaked at $1.77M in Q4 2024. 4,646 funds tracked by Wall St. Rank hold SPY as of Q2 2026.

Mattern Capital Management held 2,285 shares of State Street SPDR S&P 500 ETF Trust worth $1.71M as of Q2 2026.
Mattern Capital Management bought 54 State Street SPDR S&P 500 ETF Trust shares in Q2 2026, an estimated $39.1K.
State Street SPDR S&P 500 ETF Trust made up 0.2% of Mattern Capital Management's portfolio in Q2 2026, its #92 holding.
Mattern Capital Management first reported a position in State Street SPDR S&P 500 ETF Trust in Q1 2021 and has held it in 22 quarters since.
Mattern Capital Management's State Street SPDR S&P 500 ETF Trust position peaked at $1.77M in Q4 2024.
4,646 funds tracked by Wall St. Rank held State Street SPDR S&P 500 ETF Trust as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.