Jane Street
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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
2026
Q1 		– Sell
-11,755
Closed -$593K – 12483
2025
Q4 		$593K Buy
+11,755
New +$593K ﹤0.01% 7308
2025
Q3 		– Sell
-79,541
Closed -$3.98M – 11416
2025
Q2 		$3.98M Buy
79,541
+68,776
+639% +$3.42M ﹤0.01% 3333
2025
Q1 		$540K Buy
10,765
+1,878
+21% +$93.8K ﹤0.01% 6722
2024
Q4 		$442K Sell
8,887
-4,572
-34% -$230K ﹤0.01% 7035
2024
Q3 		$693K Sell
13,459
-3,935
-23% -$202K ﹤0.01% 6609
2024
Q2 		$876K Sell
17,394
-19,312
-53% -$973K ﹤0.01% 6018
2024
Q1 		$1.87M Buy
36,706
+14,960
+69% +$764K ﹤0.01% 4252
2023
Q4 		$1.12M Buy
+21,746
New +$1.11M ﹤0.01% 5345

Other funds holding MTBA

Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
MML Investors Services
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
WG
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 $762M AUM 59.13% 1-Year Est. Return
CW
CreativeOne Wealth Overland Park, Kansas $4.63B AUM 25.46% 1-Year Est. Return
LPL Financial
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.