MFSM

MFS Active Inter Muni BondETF$24.11 0.27%
UnclassifiedCUSIP 55286W306· EOD Sep 15, 2026

Among active 13F managers last quarter, 2 opened and none reduced or exited; the largest holder to move was Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors (new position).

Tracked 13F holders
16
11 in Q2 2026 filings
13F value (tracked)
$34.3M
13F moves · latest Q
2 added
0 reduced

Price & smart-money activity

$24.11 0.27%2Y -3.7%
$23.79$24.25$24.71$25.18$25.64Dec 2024Apr 2025AugDecMay 2026Sep32222
Hover for who · click for detailEnd-of-day closing prices52w $24.11 – $25.53

Who owns MFSM?

16 tracked 13F filers · ranked by shares held

16 tracked 13F filers disclose a position in MFSM as of the latest SEC 13F filings, a combined $34.3M 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
1LPL Financial LLC841K
$20.9M
New
+841K sh
Q1 2026
2Jones Financial Companies LLLP77K
$1.9M
+827%
Added · +69K sh
Q1 2026
3FAS Wealth Partners, Inc.72K
$1.8M
+6.1%
Added · +4K sh
Q2 2026
4Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors70K
$1.8M
New
+70K sh
Q2 2026
5Kestra Private Wealth Services, LLC62K
$1.6M
+0.1%
Added · +56 sh
Q2 2026
6Laurel Oak Wealth Management, LLC52K
$1.3M
Held
Q2 2026
7Raymond James Financial Inc44K
$1.1M
+47%
Added · +14K sh
Q1 2026
8Jane Street Group, LLC31K
$763K
New
+31K sh
Q1 2026
9Landmark Wealth Management, LLC27K
$688K
−0.6%
Reduced · −153 sh
Q2 2026
10Private Advisor Group, LLC20K
$501K
+33%
Added · +5K sh
Q2 2026
11Aspen Grove Capital, LLC16K
$404K
New
+16K sh
Q2 2026
12Marshall Financial Group, LLC15K
$387K
Held
Q2 2026
13Commonwealth Equity Services, LLC15K
$381K
+9.4%
Added · +1K sh
Q1 2026
14Kingsview Wealth Management, LLC15K
$370K
New
+15K sh
Q2 2026
15CRA Financial Services, LLC13K
$315K
Held
Q2 2026
16Steward Partners Investment Advisory, LLC5K
$121K
+18%
Added · +722 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 MFSM being bought or sold by institutions?

Last quarter, 2 funds opened a new position in MFSM, while none reduced or exited. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
2
funds took a first position
Biggest moves · ranked by size of the change, positions above a floor

Funds that own MFSM also own

CompanyCo-held byTheir position there
Apple IncAAPL4 funds$116.1M
Vanguard Total Stock MKT ETFVTI4 funds$94.2M
SS SPDR S&P 500 ETF Trust-USSPY4 funds$89.4M
Ishares Core S&P 500 ETFIVV4 funds$74.9M
Nvidia CorpNVDA4 funds$71.3M
Amazon.com IncAMZN4 funds$70.8M
Alphabet Inc-CL AGOOGL4 funds$66.8M
Vanguard S&P 500 ETFVOO4 funds$65.6M
Alphabet Inc-CL CGOOG4 funds$46.1M
Microsoft CorpMSFT4 funds$39.1M
Meta Platforms Inc-Class AMETA4 funds$38.9M
Broadcom IncAVGO4 funds$29.3M

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

Institutional ownership over time

11 tracked filers in Q2 2026 filingsstill filing
0714Q4 2024Q2 2025Q4 2025Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $9.3M
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
MFSIMF Closed and MF Open70 funds$724.3M
MFSVVALUE ETF40 funds$341.4M
MFSBFUND35 funds$336.5M
MFSGMF Closed and MF Open34 funds$224.5M
BRIEMF Closed and MF Open31 funds$212.9M
MFSMthis pageINTERMEDITE MUNI16 funds$34.3M
BRCEBLEND CORE ETF2 funds$2.4M
BREEBLENDED RESEARCH2 funds$1.5M

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 MFSM

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Ask your agent what changed in MFSM

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/MFSM/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for MFSM.
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 MFSM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.