Citadel Advisors’s Simplify MBS ETF MTBA Stock Holding History

Citadel Advisors’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 Q2	$480K	Sell	9,784 -73,809	-88%	-$3.64M	﹤0.01%	9961
2026 Q1	$4.13M	Buy	83,593 +39,933	+91%	+$2.01M	﹤0.01%	4656
2025 Q4	$2.2M	Buy	+43,660	New	+$2.2M	﹤0.01%	5725
2025 Q3	–	Sell	-9,273	Closed	-$464K	–	13624
2025 Q2	$464K	Sell	9,273 -53,911	-85%	-$2.68M	﹤0.01%	8802
2025 Q1	$3.17M	Sell	63,184 -69,515	-52%	-$3.47M	﹤0.01%	4666
2024 Q4	$6.59M	Buy	132,699 +117,090	+750%	+$5.9M	﹤0.01%	3530
2024 Q3	$804K	Sell	15,609 -19,724	-56%	-$1.01M	﹤0.01%	7294
2024 Q2	$1.78M	Buy	+35,333	New	+$1.78M	﹤0.01%	5540
2024 Q1	–	Sell	-7,685	Closed	-$397K	–	15157
2023 Q4	$397K	Buy	+7,685	New	+$392K	﹤0.01%	8582

Other funds holding MTBA

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

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

Wells Fargo San Francisco, California $617B AUM 30.33% 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

KAM

Knightsbridge Asset Management Newport Beach, California $762M AUM 59.13% 1-Year Est. Return

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

CreativeOne Wealth Overland Park, Kansas $4.63B AUM 25.46% 1-Year Est. Return

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

TIM

Tortoise Investment Management White Plains, New York $1.34B AUM 16.05% 1-Year Est. Return

Citadel Advisors's MTBA Position: Q2 2026 in Review

Citadel Advisors reduced its Simplify MBS ETF (MTBA) stake by 88% in Q2 2026, selling an estimated $3.64M and leaving 9,784 shares worth $480K. The position accounts for ﹤0.01% of the portfolio, ranked #9961.

Citadel Advisors first reported a position in MTBA in Q4 2023 and has held it in 9 quarters since. The position peaked at $6.59M in Q4 2024. 149 funds tracked by Wall St. Rank hold MTBA as of Q2 2026.

Citadel Advisors held 9,784 shares of Simplify MBS ETF worth $480K as of Q2 2026.
Citadel Advisors sold 73,809 Simplify MBS ETF shares in Q2 2026, an estimated $3.64M.
Simplify MBS ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #9961 holding.
Citadel Advisors first reported a position in Simplify MBS ETF in Q4 2023 and has held it in 9 quarters since.
Citadel Advisors's Simplify MBS ETF position peaked at $6.59M in Q4 2024.
149 funds tracked by Wall St. Rank held Simplify MBS ETF as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.