William Blair & Company’s JPMorgan Municipal ETF JMUB Stock Holding History

William Blair & Company’s Portfolio JMUB Stock Details JMUB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$313K	Sell	6,254 -4,087	-40%	-$207K	﹤0.01%	1326
2025 Q4	$522K	Buy	10,341 +1,291	+14%	+$65.3K	﹤0.01%	1132
2025 Q3	$457K	Buy	9,050 +50	+0.6%	+$2.48K	﹤0.01%	1148
2025 Q2	$447K	Buy	9,000 +1,000	+13%	+$49.4K	﹤0.01%	1123
2025 Q1	$400K	Buy	8,000 +900	+13%	+$45.2K	﹤0.01%	1150
2024 Q4	$356K	Buy	7,100 +600	+9%	+$30.4K	﹤0.01%	1215
2024 Q3	$333K	Buy	+6,500	New	+$331K	﹤0.01%	1252
2023 Q4	–	Sell	-413	Closed	-$20K	–	1818
2023 Q3	$20K	Hold	413	–	–	﹤0.01%	1679
2023 Q2	$20.7K	Hold	413	–	–	﹤0.01%	1690
2023 Q1	$20.9K	Buy	+413	New	+$20.8K	﹤0.01%	1683

Other funds holding JMUB

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

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

Northwestern Mutual Wealth Management Milwaukee, Wisconsin $162B AUM 16.35% 1-Year Est. Return

MAS

Meeder Advisory Services Dublin, Ohio $2.39B AUM 23.78% 1-Year Est. Return

Cetera Investment Advisers Schaumburg, Illinois $94B AUM 20.14% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

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

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

Envestnet Asset Management Chicago, Illinois $374B AUM 17.66% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $324B AUM 22.36% 1-Year Est. Return

William Blair & Company's JMUB Position: Q1 2026 in Review

William Blair & Company reduced its JPMorgan Municipal ETF (JMUB) stake by 40% in Q1 2026, selling an estimated $207K and leaving 6,254 shares worth $313K. The position accounts for ﹤0.01% of the portfolio, ranked #1326.

William Blair & Company first reported a position in JMUB in Q1 2023 and has held it in 10 quarters since. The position peaked at $522K in Q4 2025. 498 funds tracked by Wall St. Rank hold JMUB as of Q1 2026.

William Blair & Company held 6,254 shares of JPMorgan Municipal ETF worth $313K as of Q1 2026.
William Blair & Company sold 4,087 JPMorgan Municipal ETF shares in Q1 2026, an estimated $207K.
JPMorgan Municipal ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1326 holding.
William Blair & Company first reported a position in JPMorgan Municipal ETF in Q1 2023 and has held it in 10 quarters since.
William Blair & Company's JPMorgan Municipal ETF position peaked at $522K in Q4 2025.
498 funds tracked by Wall St. Rank held JPMorgan Municipal ETF as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.