Jane Street’s iShares National Muni Bond ETF MUB Stock Holding History

Jane Street’s Portfolio MUB Stock Details MUB Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$36.8M	Buy	347,100 +800	+0.2%	+$86K	﹤0.01%	1261
2025 Q4	$37.1M	Sell	346,300 -873,400	-72%	-$93.5M	0.01%	1111
2025 Q3	$130M	Sell	1,219,700 -188,000	-13%	-$19.7M	0.02%	472
2025 Q2	$147M	Buy	1,407,700 +1,360,400	+2,876%	+$141M	0.03%	350
2025 Q1	$4.99M	Buy	+47,300	New	+$5.03M	﹤0.01%	2944
2022 Q1	–	Sell	-3,400	Closed	-$395K	–	10771
2021 Q4	$395K	Sell	3,400 -100	-3%	-$11.6K	﹤0.01%	7674
2021 Q3	$407K	Buy	+3,500	New	+$410K	﹤0.01%	7654
2020 Q4	–	Sell	-9,500	Closed	-$1.1M	–	7881
2020 Q3	$1.1M	Sell	9,500 -6,100	-39%	-$709K	﹤0.01%	3943
2020 Q2	$1.8M	Buy	+15,600	New	+$1.77M	﹤0.01%	3212
2016 Q1	–	Sell	-30,000	Closed	-$3.32M	–	4457
2015 Q4	$3.32M	Buy	+30,000	New	+$3.29M	0.02%	704
2014 Q4	–	Sell	-5,200	Closed	-$570K	–	2831
2014 Q3	$570K	Buy	+5,200	New	+$567K	0.01%	1318

Other funds holding MUB

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

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

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

Creative Planning Overland Park, Kansas $147B AUM 18.73% 1-Year Est. Return

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

Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return

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

Mercer Global Advisors Denver, Colorado $67.6B AUM 18.3% 1-Year Est. Return

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

Jane Street's MUB Position: Q1 2026 in Review

Jane Street increased its iShares National Muni Bond ETF (MUB) stake by 65% in Q1 2026, buying an estimated $38.8M and bringing the position to 912,202 shares worth $96.8M. The position accounts for 0.01% of the portfolio, ranked #658.

Jane Street first reported a position in MUB in Q3 2013 and has held it in 43 quarters since. The position peaked at $558M in Q4 2023. 1,624 funds tracked by Wall St. Rank hold MUB as of Q1 2026.

Jane Street held 912,202 shares of iShares National Muni Bond ETF worth $96.8M as of Q1 2026.
Jane Street bought 360,470 iShares National Muni Bond ETF shares in Q1 2026, an estimated $38.8M.
iShares National Muni Bond ETF made up 0.01% of Jane Street's portfolio in Q1 2026, its #658 holding.
Jane Street first reported a position in iShares National Muni Bond ETF in Q3 2013 and has held it in 43 quarters since.
Jane Street's iShares National Muni Bond ETF position peaked at $558M in Q4 2023.
1,624 funds tracked by Wall St. Rank held iShares National Muni Bond ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.