Jane Street’s Simplify MBS ETF MTBA Stock Holding History

Jane Street’s Portfolio MTBA Stock Details MTBA Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-100,000	Closed	-$4.97M	–	10185
2024 Q4	$4.97M	Buy	+100,000	New	+$5.04M	﹤0.01%	2669

Other funds holding MTBA

Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return

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

MML Investors Services Springfield, Massachusetts $49B AUM 25.55% 1-Year Est. Return

EWM

Edge Wealth Management New York $594M AUM 24.92% 1-Year Est. Return

ECM

Evergreen Capital Management Bellevue, Washington $5.7B AUM 32.06% 1-Year Est. Return

Watchman Group Plano, Texas $447M AUM 18.59% 1-Year Est. Return

HCM

Hilton Capital Management Garden City, New York $1.47B AUM 18.73% 1-Year Est. Return

KAM

Knightsbridge Asset Management Newport Beach, California $743M AUM 28.33% 1-Year Est. Return

CreativeOne Wealth Overland Park, Kansas $4.31B AUM 19.42% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

Jane Street's MTBA Position: Q1 2026 in Review

Jane Street sold out of Simplify MBS ETF (MTBA) in Q1 2026, closing a stake of 11,755 shares — an estimated $593K sold.

Jane Street first reported a position in MTBA in Q4 2023 and held it in 8 quarters. The position peaked at $3.98M in Q2 2025. 157 funds tracked by Wall St. Rank hold MTBA as of Q1 2026.

Jane Street reported no remaining Simplify MBS ETF position as of Q1 2026 after selling out during the quarter.
Jane Street sold 11,755 Simplify MBS ETF shares in Q1 2026, an estimated $593K.
Jane Street first reported a position in Simplify MBS ETF in Q4 2023 and held it in 8 quarters.
Jane Street's Simplify MBS ETF position peaked at $3.98M in Q2 2025.
157 funds tracked by Wall St. Rank held Simplify MBS ETF as of Q1 2026.

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