Mattern Capital Management’s iShares Core 1-5 Year USD Bond ETF ISTB Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$379K	Hold	7,855	–	–	0.04%	142
2026 Q1	$381K	Sell	7,855 -9,200	-54%	-$448K	0.05%	141
2025 Q4	$831K	Hold	17,055	–	–	0.1%	125
2025 Q3	$833K	Buy	17,055 +110	+0.6%	+$5.35K	0.1%	128
2025 Q2	$824K	Buy	16,945 +64	+0.4%	+$3.09K	0.1%	120
2025 Q1	$816K	Hold	16,881	–	–	0.1%	109
2024 Q4	$806K	Buy	16,881 +370	+2%	+$17.8K	0.11%	100
2024 Q3	$804K	Buy	16,511 +3,180	+24%	+$153K	0.1%	100
2024 Q2	$631K	Hold	13,331	–	–	0.09%	106
2024 Q1	$632K	Hold	13,331	–	–	0.09%	100
2023 Q4	$634K	Buy	13,331 +1,305	+11%	+$60.9K	0.09%	98
2023 Q3	$558K	Hold	12,026	–	–	0.09%	100
2023 Q2	$561K	Hold	12,026	–	–	0.09%	98
2023 Q1	$567K	Buy	12,026 +1,520	+14%	+$71.2K	0.1%	94
2022 Q4	$488K	Buy	10,506 +2,548	+32%	+$118K	0.09%	97
2022 Q3	$367K	Buy	7,958 +267	+3%	+$12.6K	0.08%	103
2022 Q2	$365K	Buy	7,691 +1,678	+28%	+$80.1K	0.07%	102
2022 Q1	$291K	Buy	6,013 +929	+18%	+$45.9K	0.05%	109
2021 Q4	$256K	Hold	5,084	–	–	0.04%	107
2021 Q3	$260K	Hold	5,084	–	–	0.05%	107
2021 Q2	$261K	Hold	5,084	–	–	0.05%	108
2021 Q1	$261K	Hold	5,084	–	–	0.06%	103
2020 Q4	$263K	Hold	5,084	–	–	0.06%	99
2020 Q3	$262K	Hold	5,084	–	–	0.07%	96
2020 Q2	$262K	Buy	+5,084	New	+$260K	0.08%	95

Other funds holding ISTB

Acorns Advisers Irvine, California $15.3B AUM 18.32% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State of Wisconsin Investment Board Madison, Wisconsin $49.6B AUM 39.59% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

TWP

Triad Wealth Partners Lawrence, Kansas $1.7B AUM 21.07% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

Jones Financial Companies Des Peres, Missouri $250B AUM 21.32% 1-Year Est. Return

Mariner Overland Park, Kansas $95.2B AUM 32.92% 1-Year Est. Return

Spinnaker Trust Portland, Maine $2.06B AUM 24.94% 1-Year Est. Return

Townsend & Associates Westminster, Colorado $1.17B AUM 20.72% 1-Year Est. Return

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

Mattern Capital Management held its iShares Core 1-5 Year USD Bond ETF (ISTB) position steady in Q2 2026 at 7,855 shares worth $379K. The position accounts for 0.04% of the portfolio, ranked #142.

Mattern Capital Management first reported a position in ISTB in Q2 2020 and has held it in 25 quarters since. The position peaked at $833K in Q3 2025. 396 funds tracked by Wall St. Rank hold ISTB as of Q2 2026.

Mattern Capital Management held 7,855 shares of iShares Core 1-5 Year USD Bond ETF worth $379K as of Q2 2026.
Mattern Capital Management left its iShares Core 1-5 Year USD Bond ETF share count unchanged in Q2 2026.
iShares Core 1-5 Year USD Bond ETF made up 0.04% of Mattern Capital Management's portfolio in Q2 2026, its #142 holding.
Mattern Capital Management first reported a position in iShares Core 1-5 Year USD Bond ETF in Q2 2020 and has held it in 25 quarters since.
Mattern Capital Management's iShares Core 1-5 Year USD Bond ETF position peaked at $833K in Q3 2025.
396 funds tracked by Wall St. Rank held iShares Core 1-5 Year USD Bond ETF as of Q2 2026.

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