MMU

Western Asset Managed MuniciETF$10.03 0.40%
UnclassifiedUSCUSIP 95766M105· EOD Jul 31, 2026◍ Confluence graph
Tracked 13F Holders
89
-48 QoQ
13F Value (tracked)
$184.0M
13F Moves · latest Q
19 added
12 trimmed
Recent Filings
6

Price & smart-money activity

$10.03 0.40%5Y -25.5%
$8.24$9.74$11.23$12.73$14.232021202220232024202520266585671129415631146910816911109139123171222101818201923161622128
Hover for who · click for detailEnd-of-day closing prices52w $9.83 – $10.69

Who owns MMU?

89 tracked 13F filers

89 tracked 13F filers disclose a position in MMU as of the latest SEC 13F filings, a combined $184.0M 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.

2 source-reported value rows are withheld because the reported units do not agree with same-security peers. Share counts remain visible and unchanged.
#FundPosition valueSharesLast moveAs ofHistory
1MORGAN STANLEY
$45.2M
4.4M
+7.5%
Added · +305K sh
Q1 2026
2RIVERNORTH CAPITAL MANAGEMENT, LLC
$19.9M
1.9M
−29%
Reduced · −791K sh
Q1 2026
3BANK OF AMERICA CORP /DE/
$17.3M
1.7M
+8.9%
Added · +137K sh
Q1 2026
41607 Capital Partners, LLC
$13.7M
1.3M
−4.3%
Reduced · −60K sh
Q1 2026
5RAYMOND JAMES FINANCIAL INC
$11.9M
1.2M
+9.2%
Added · +98K sh
Q1 2026
6GUGGENHEIM CAPITAL LLC
$10.7M
1.0M
+23%
Added · +197K sh
Q1 2026
7Advisors Asset Management, Inc.
$7.1M
687K
+16%
Added · +95K sh
Q1 2026
8Hennion & Walsh Asset Management, Inc.
$6.4M
614K
+24%
Added · +117K sh
Q2 2026
9Allianz Asset Management GmbH
$5.6M
545K
Held
Q1 2026
10WELLS FARGO & COMPANY/MN
$5.0M
491K
+7.9%
Added · +36K sh
Q1 2026
11VAN ECK ASSOCIATES CORP
Withheld
456K
+14%
Added · +55K sh
Q1 2026
12CITY OF LONDON INVESTMENT MANAGEMENT CO LTD
$3.5M
333K
Held
Q2 2026
13Westview Management dba Westview Investment Advisors
$3.1M
295K
−0.6%
Reduced · −2K sh
Q2 2026
14Rareview Capital LLC
$2.7M
273K
−21%
Reduced · −71K sh
Q2 2026
15ENVESTNET ASSET MANAGEMENT INC
$2.3M
223K
+0.6%
Added · +1K sh
Q1 2026
16HighTower Advisors, LLC
$1.9M
185K
Held
Q1 2026
17ROYAL BANK OF CANADA
$1.7M
167K
+5.2%
Added · +8K sh
Q1 2026
18Fiera Capital Corp
$1.6M
156K
−65%
Reduced · −296K sh
Q1 2026
19Rockefeller Capital Management L.P.
$1.5M
146K
+0.9%
Added · +1K sh
Q1 2026
20UBS Group AG
$1.5M
141K
−2.7%
Reduced · −4K sh
Q1 2026
21Steward Partners Investment Advisory, LLC
$1.3M
127K
+5.6%
Added · +7K sh
Q1 2026
22LPL Financial LLC
$1.3M
125K
+2.6%
Added · +3K sh
Q1 2026
23OSAIC HOLDINGS, INC.
$1.2M
115K
+1.2%
Added · +1K sh
Q1 2026
24MELFA WEALTH MANAGEMENT, INC.
$1.1M
104K
−4.7%
Reduced · −5K sh
Q2 2026
25Nuveen, LLC
$941K
92K
Held
Q1 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 MMU being bought or sold by institutions?

Last quarter, 1 fund opened a new position in MMU and 18 added to an existing one, while 12 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
18
funds
Reduced
12
funds
Exited
0
funds

Funds that own MMU also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT42 funds$22.7B
APPLE INCAAPL39 funds$27.8B
ALPHABET INC-CL AGOOGL39 funds$14.3B
NVIDIA CORPNVDA38 funds$32.1B
BROADCOM INCAVGO38 funds$13.9B
AMAZON.COM INCAMZN37 funds$15.9B
JPMORGAN CHASE & COJPM37 funds$6.4B
ALPHABET INC-CL CGOOG36 funds$11.4B
ELI LILLY & COLLY36 funds$6.1B
JOHNSON & JOHNSONJNJ36 funds$5.7B
VISA INC-CLASS A SHARESV36 funds$3.3B
CISCO SYSTEMS INCCSCO36 funds$2.9B

Ranked by how many of MMU's institutional holders also hold each name, a cross-fund conviction signal.

Institutional ownership over time

38 funds-42 since Q3 2024
04692Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $25.6M · 1 values withheld

Recent filings

6 shown

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Connected entities for MMU

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Ask your agent what changed in MMU

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