Citadel Advisors
MBSF icon

Citadel Advisors’s Regan Floating Rate MBS ETF MBSF Stock Holding History

Citadel Advisors’s Portfolio MBSF Stock Details MBSF Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$586K Buy
+22,812
New +$585K ﹤0.01% 9475
2026
Q1 		– Sell
-12,847
Closed -$329K – 14445
2025
Q4 		$329K Sell
12,847
-16,353
-56% -$418K ﹤0.01% 9940
2025
Q3 		$744K Buy
29,200
+6,616
+29% +$169K ﹤0.01% 8199
2025
Q2 		$576K Buy
22,584
+7,713
+52% +$196K ﹤0.01% 8319
2025
Q1 		$379K Buy
+14,871
New +$380K ﹤0.01% 9075
2024
Q4 		– Sell
-8,400
Closed -$215K – 15534
2024
Q3 		$215K Buy
+8,400
New +$215K ﹤0.01% 9989

Other funds holding MBSF

CP
Castleview Partners Dallas, Texas $228M AUM 19.85% 1-Year Est. Return
State of New Jersey Common Pension Fund D
State of New Jersey Common Pension Fund D Trenton, New Jersey $29.3B AUM 38.15% 1-Year Est. Return
CFD
Creative Financial Designs Kokomo, Indiana $2.1B AUM 23.1% 1-Year Est. Return
UAS
United Asset Strategies Garden City, New York $1.41B AUM 27.73% 1-Year Est. Return
AI
Auour Investments Woburn, Massachusetts $349M AUM 13.68% 1-Year Est. Return
BFO
Biltmore Family Office Charlotte, North Carolina $761M AUM 31.91% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $672B AUM 33.48% 1-Year Est. Return
CA
CWC Advisors Lake Oswego, Oregon $225M AUM 23.94% 1-Year Est. Return
SCM
Sterneck Capital Management Kansas City, Missouri $233M AUM 21.98% 1-Year Est. Return
AWM
Apollon Wealth Management Mount Pleasant, South Carolina $8.23B AUM 30.88% 1-Year Est. Return

Citadel Advisors's MBSF Position: Q2 2026 in Review

Citadel Advisors opened a new position in Regan Floating Rate MBS ETF (MBSF) in Q2 2026: 22,812 shares worth $586K. The stake represents ﹤0.01% of the portfolio and ranks #9475 among its holdings. This is a return to the name: Citadel Advisors previously reported a position in MBSF as recently as Q4 2025.

Citadel Advisors first reported a position in MBSF in Q3 2024 and has held it in 6 quarters since. The position peaked at $744K in Q3 2025. 69 funds tracked by Wall St. Rank hold MBSF as of Q2 2026.

  • Citadel Advisors held 22,812 shares of Regan Floating Rate MBS ETF worth $586K as of Q2 2026.
  • Regan Floating Rate MBS ETF was a new Citadel Advisors position in Q2 2026.
  • Regan Floating Rate MBS ETF made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #9475 holding.
  • Citadel Advisors first reported a position in Regan Floating Rate MBS ETF in Q3 2024 and has held it in 6 quarters since.
  • Citadel Advisors's Regan Floating Rate MBS ETF position peaked at $744K in Q3 2025.
  • 69 funds tracked by Wall St. Rank held Regan Floating Rate MBS ETF as of Q2 2026.

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