MBSF · REGAN FLOATING RATE MBS ETF ETF

Alerts for MBSF

$25.68 +0.01 (+0.04%) At close · Sep 4

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP →

Quarter:

Holders: 1

Total Value: $585,698

Total Shares: 22,812

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 1 13F filers · Δ vs Mar 31, 2026

Top Holder

100.0%

+80.6 pts

Top 5

100.0%

+56.5 pts

Top 10

100.0%

+36.2 pts

HHI

10,000

Highly concentrated+9,330

Quarterly Activity

vs Mar 31, 2026

New

1

Increased

0

Decreased

0

Sold Out

58

Unchanged

0

Holder count: -57

Institutional value: -99.5%

Shares held: -99.6%

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)	Open
Mega CITADEL ADVISORS LLC	22,812	$585,698

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)	Open
Small Castleview Partners, LLC	987,316	$25,186,431
Small CREATIVE FINANCIAL DESIGNS INC /ADV	349,594	$8,918,142
Small Balefire, LLC	306,739	$7,824,911
Micro Auour Investments LLC	306,652	$7,822,692
Small Biltmore Family Office, LLC	264,127	$6,737,879

Filter: New 1 Increased 0 Reduced 0 Sold out 58 Unchanged 0

Showing 1 of 1

All Common Calls Puts

Compact Export CSV

CITADEL ADVISORS LLC MBSF

$585,698

100.00%

22,812

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	22,812	$585,698	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	249,169	$6,356,301	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Frontier Asset Management, LLC	168,457	$4,297,338	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STIFEL NICOLAUS & CO INC \MO\	57,500	$1,466,825	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	54,875	$1,399,861	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	15,521	$395,940	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	9,525	$242,982	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Raymond James Financial Services Advisors, Inc.	8,142	$207,702	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SpiderRock Advisors, LLC	100	$2,551	100.0%	Sole