MBSF

Regan Floating Rate MBS ETFETF$25.61 0.08%
UnclassifiedCUSIP 92046L338· EOD Sep 11, 2026

Among active 13F managers last quarter, 13 opened and 15 added, while 12 reduced; the largest holder to move was Castleview Partners, LLC (+0.2%).

Tracked 13F holders
66
49 in Q2 2026 filings
13F value (tracked)
$153.6M
13F moves · latest Q
28 added
12 reduced

Price & smart-money activity

$25.61 0.08%3Y +2.3%
$24.98$25.20$25.42$25.64$25.86202420252026487981491212141014172111
Hover for who · click for detailEnd-of-day closing prices52w $25.42 – $25.81

Who owns MBSF?

66 tracked 13F filers · ranked by shares held

66 tracked 13F filers disclose a position in MBSF as of the latest SEC 13F filings, a combined $153.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundSharesPosition valueLast moveAs ofHistory
1Castleview Partners, LLC989K
$25.4M
+0.2%
Added · +2K sh
Q2 2026
2State of New Jersey Common Pension Fund D600K
$15.4M
+200%
Added · +400K sh
Q2 2026
3Creative Financial Designs Inc453K
$11.6M
+29%
Added · +103K sh
Q2 2026
4United Asset Strategies, Inc.424K
$10.9M
+137%
Added · +245K sh
Q2 2026
5Auour Investments LLC341K
$8.7M
+11%
Added · +34K sh
Q2 2026
6Biltmore Family Office, LLC252K
$6.5M
−4.7%
Reduced · −12K sh
Q2 2026
7Royal Bank Of Canada249K
$6.4M
+200%
Added · +166K sh
Q1 2026
8CWC Advisors, LLC.211K
$5.4M
+3.3%
Added · +7K sh
Q2 2026
9Sterneck Capital Management, LLC205K
$5.3M
+1.8%
Added · +4K sh
Q2 2026
10Balefire, LLC170K
$4.4M
−45%
Reduced · −137K sh
Q2 2026
11Apollon Wealth Management, LLC167K
$4.3M
+89%
Added · +79K sh
Q1 2026
12Exchange Traded Concepts, LLC156K
$4.0M
−7.6%
Reduced · −13K sh
Q2 2026
13Acorn Wealth Advisors, LLC126K
$3.2M
+12%
Added · +13K sh
Q2 2026
14Camarda Financial Advisors, LLC123K
$3.2M
+3.0%
Added · +4K sh
Q2 2026
15Bison Wealth, LLC119K
$3.0M
+2.1%
Added · +2K sh
Q2 2026
16NewEdge Advisors, LLC102K
$2.6M
+9.7%
Added · +9K sh
Q2 2026
17WealthPlan Investment Management, LLC98K
$2.5M
−20%
Reduced · −25K sh
Q2 2026
18BlackDiamond Wealth Management, LLC98K
$2.5M
+22%
Added · +18K sh
Q2 2026
19LPL Financial LLC95K
$2.4M
+291%
Added · +71K sh
Q1 2026
20Orion Porfolio Solutions, LLC83K
$2.1M
+4.8%
Added · +4K sh
Q2 2026
21WESPAC Advisors, LLC76K
$1.9M
+2.5%
Added · +2K sh
Q2 2026
22Trust Co Of Toledo Na72K
$1.8M
+56%
Added · +26K sh
Q2 2026
23Stifel Financial Corp58K
$1.5M
New
+58K sh
Q1 2026
24Goldman Sachs Group Inc55K
$1.4M
Held
Q1 2026
25WealthPLAN Partners, LLC54K
$1.4M
−37%
Reduced · −31K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is MBSF being bought or sold by institutions?

Last quarter, 13 funds opened a new position in MBSF and 15 added to an existing one, while 12 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
13
funds took a first position
Added
15
added to an existing position
Reduced
12
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own MBSF also own

CompanyCo-held byTheir position there
Apple IncAAPL41 funds$4.9B
Microsoft CorpMSFT41 funds$2.7B
Amazon.com IncAMZN40 funds$3.8B
SS SPDR S&P 500 ETF Trust-USSPY40 funds$1.1B
Nvidia CorpNVDA39 funds$4.6B
Alphabet Inc-CL AGOOGL39 funds$2.0B
Alphabet Inc-CL CGOOG39 funds$1.7B
Berkshire Hathaway Inc-CL BBRK/B39 funds$1.2B
JPMorgan Chase & CoJPM39 funds$1.2B
Meta Platforms Inc-Class AMETA38 funds$1.4B
Tesla IncTSLA38 funds$1.1B
Walmart IncWMT38 funds$1.0B

Ranked by how many of MBSF's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MBSF.

Institutional ownership over time

49 tracked filers in Q2 2026 filingsstill filing
02855Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $132.1M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Share classes

Class13F holdersValue held
MBSFthis pagemc66 funds$153.6M
EQTYMF Closed and MF Open21 funds$1.2B

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

0 most recent

No filings captured for this ticker in the live stream yet.

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Connected entities for MBSF

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Ask your agent what changed in MBSF

This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/MBSF/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for MBSF.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for MBSF. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.