Jane Street’s AMG GW&K Muni Income ETF MUNX Stock Holding History

Jane Street’s Portfolio MUNX Stock Details MUNX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$225K	Sell	8,914 -19,022	-68%	-$476K	﹤0.01%	9860
2026 Q1	$692K	Buy	27,936 +7,395	+36%	+$186K	﹤0.01%	7291
2025 Q4	$513K	Buy	+20,541	New	+$513K	﹤0.01%	7630

Other funds holding MUNX

Cerity Partners New York $82.7B AUM 28.53% 1-Year Est. Return

FOR

Family Office Research Bethesda, Maryland $267M AUM 27.99% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return

Jane Street's MUNX Position: Q2 2026 in Review

Jane Street reduced its AMG GW&K Muni Income ETF (MUNX) stake by 68% in Q2 2026, selling an estimated $476K and leaving 8,914 shares worth $225K. The position accounts for ﹤0.01% of the portfolio, ranked #9860.

Jane Street first reported a position in MUNX in Q4 2025 and has held it in 3 quarters since. The position peaked at $692K in Q1 2026. 4 funds tracked by Wall St. Rank hold MUNX as of Q2 2026.

Jane Street held 8,914 shares of AMG GW&K Muni Income ETF worth $225K as of Q2 2026.
Jane Street sold 19,022 AMG GW&K Muni Income ETF shares in Q2 2026, an estimated $476K.
AMG GW&K Muni Income ETF made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #9860 holding.
Jane Street first reported a position in AMG GW&K Muni Income ETF in Q4 2025 and has held it in 3 quarters since.
Jane Street's AMG GW&K Muni Income ETF position peaked at $692K in Q1 2026.
4 funds tracked by Wall St. Rank held AMG GW&K Muni Income ETF as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.