Jane Street’s MFS Active Intermediate Muni Bond ETF MFSM Stock Holding History

Jane Street’s Portfolio MFSM Stock Details MFSM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$763K	Buy	+30,689	New	+$773K	﹤0.01%	7088
2025 Q4	–	Sell	-17,175	Closed	-$426K	–	12753
2025 Q3	$426K	Sell	17,175 -476	-3%	-$11.7K	﹤0.01%	8195
2025 Q2	$431K	Sell	17,651 -714	-4%	-$17.4K	﹤0.01%	7210
2025 Q1	$452K	Sell	18,365 -4,995	-21%	-$124K	﹤0.01%	7063
2024 Q4	$576K	Buy	+23,360	New	+$579K	﹤0.01%	6494

Other funds holding MFSM

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

Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 1-Year Est. Return

FWP

FAS Wealth Partners Leawood, Kansas $1.61B AUM 19.97% 1-Year Est. Return

KPWS

Kestra Private Wealth Services Austin, Texas $8.11B AUM 24.74% 1-Year Est. Return

LOWM

Laurel Oak Wealth Management Marlton, New Jersey $687M AUM

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

PWM

Platt Wealth Management San Diego, California $103M AUM

GSEP

Golden State Equity Partners South Coast Metro, California $1.32B AUM 23.87% 1-Year Est. Return

Natixis Advisors Boston, Massachusetts $71.9B AUM 28.03% 1-Year Est. Return

LWMNY

Landmark Wealth Management (New York) Melville, New York $373M AUM 12.01% 1-Year Est. Return

Jane Street's MFSM Position: Q1 2026 in Review

Jane Street opened a new position in MFS Active Intermediate Muni Bond ETF (MFSM) in Q1 2026: 30,689 shares worth $763K. The stake represents ﹤0.01% of the portfolio and ranks #7088 among its holdings. This is a return to the name: Jane Street previously reported a position in MFSM as recently as Q3 2025.

Jane Street first reported a position in MFSM in Q4 2024 and has held it in 5 quarters since. 16 funds tracked by Wall St. Rank hold MFSM as of Q1 2026.

Jane Street held 30,689 shares of MFS Active Intermediate Muni Bond ETF worth $763K as of Q1 2026.
MFS Active Intermediate Muni Bond ETF was a new Jane Street position in Q1 2026.
MFS Active Intermediate Muni Bond ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7088 holding.
Jane Street first reported a position in MFS Active Intermediate Muni Bond ETF in Q4 2024 and has held it in 5 quarters since.
16 funds tracked by Wall St. Rank held MFS Active Intermediate Muni Bond ETF as of Q1 2026.

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