Mattern Capital Management’s iShares Core S&P Total US Stock Market ETF ITOT Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$286K	Hold	2,010	–	–	0.03%	154
2025 Q4	$299K	Sell	2,010 -158	-7%	-$23.3K	0.04%	154
2025 Q3	$316K	Hold	2,168	–	–	0.04%	153
2025 Q2	$293K	Hold	2,168	–	–	0.04%	153
2025 Q1	$265K	Hold	2,168	–	–	0.03%	157
2024 Q4	$279K	Hold	2,168	–	–	0.04%	151
2024 Q3	$272K	Hold	2,168	–	–	0.03%	146
2024 Q2	$258K	Hold	2,168	–	–	0.04%	149
2024 Q1	$250K	Hold	2,168	–	–	0.03%	148
2023 Q4	$228K	Hold	2,168	–	–	0.03%	130
2023 Q3	$204K	Hold	2,168	–	–	0.03%	134
2023 Q2	$212K	Buy	+2,168	New	+$200K	0.03%	130
2022 Q2	–	Sell	-2,088	Closed	-$211K	–	124
2022 Q1	$211K	Hold	2,088	–	–	0.04%	121
2021 Q4	$223K	Hold	2,088	–	–	0.04%	114
2021 Q3	$205K	Hold	2,088	–	–	0.04%	112
2021 Q2	$206K	Buy	+2,088	New	+$201K	0.04%	113

Other funds holding ITOT

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

Wealthfront Advisers Palo Alto, California $45.6B AUM 18.83% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Betterment LLC New York $52.8B AUM 15.34% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return

FPAS

Focus Partners Advisor Solutions Saint Louis, Missouri $9.92B AUM 21.52% 1-Year Est. Return

Mattern Capital Management's ITOT Position: Q1 2026 in Review

Mattern Capital Management held its iShares Core S&P Total US Stock Market ETF (ITOT) position steady in Q1 2026 at 2,010 shares worth $286K. The position accounts for 0.03% of the portfolio, ranked #154.

Mattern Capital Management first reported a position in ITOT in Q2 2021 and has held it in 16 quarters since. The position peaked at $316K in Q3 2025. 1,616 funds tracked by Wall St. Rank hold ITOT as of Q1 2026.

Mattern Capital Management held 2,010 shares of iShares Core S&P Total US Stock Market ETF worth $286K as of Q1 2026.
Mattern Capital Management left its iShares Core S&P Total US Stock Market ETF share count unchanged in Q1 2026.
iShares Core S&P Total US Stock Market ETF made up 0.03% of Mattern Capital Management's portfolio in Q1 2026, its #154 holding.
Mattern Capital Management first reported a position in iShares Core S&P Total US Stock Market ETF in Q2 2021 and has held it in 16 quarters since.
Mattern Capital Management's iShares Core S&P Total US Stock Market ETF position peaked at $316K in Q3 2025.
1,616 funds tracked by Wall St. Rank held iShares Core S&P Total US Stock Market ETF as of Q1 2026.

Based on Mattern Capital Management's 13F filing for Q1 2026, filed 4 May 2026.