CMU

MFS High Yield Municipal TR$3.36 0.30%
UnclassifiedUSCUSIP 59318E102· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
29
+5 QoQ
13F Value (tracked)
$26.5M
Insider Net · 180d
$2K
1↑ 0↓
Recent Filings
6
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)8 adding · 0 trimming
Insider net (180d)+$2K

Price & smart-money activity

$3.36 0.30%5Y -28.8%
$2.68$3.27$3.85$4.44$5.0320212022202320242025202622243435233244366254534356428
Hover for who · click for detailEnd-of-day closing prices52w $3.22 – $3.69
Build

Use CMU data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns CMU

This stock page is the Follow view. The Build view lets your agent query CMU owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/CMU"
Ask your agent
Use Arkolith to show who owns CMU,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

29 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1RIVERNORTH CAPITAL MANAGEMENT, LLC
$10.6M
3.0M
+12%
Added · +325K sh
Q1 2026
2Almitas Capital LLC
$5.4M
1.5M
Held
Q1 2026
3MORGAN STANLEY
$2.5M
711K
+81%
Added · +319K sh
Q1 2026
4BANK OF AMERICA CORP /DE/
$1.5M
406K
Held
Q1 2026
5Allspring Global Investments Holdings, LLC
$1.4M
377K
Held
Q1 2026
6Bank of New York Mellon Corp
$1.3M
354K
+11%
Added · +36K sh
Q1 2026
7GUGGENHEIM CAPITAL LLC
$1.1M
316K
New
+316K sh
Q1 2026
8Lido Advisors, LLC
$524K
146K
Held
Q1 2026
9UBS Group AG
$464K
130K
−46%
Reduced · −109K sh
Q1 2026
10EVOLVE PRIVATE WEALTH, LLC
$327K
91K
−1.4%
Reduced · −1K sh
Q1 2026
11LPL Financial LLC
$216K
60K
+0.5%
Added · +323 sh
Q1 2026
12OSAIC HOLDINGS, INC.
$165K
46K
−28%
Reduced · −18K sh
Q1 2026
13RAYMOND JAMES FINANCIAL INC
$157K
44K
−8.8%
Reduced · −4K sh
Q1 2026
14Equitable Holdings, Inc.
$117K
33K
+1.9%
Added · +611 sh
Q1 2026
15Pathstone Holdings, LLC
$111K
31K
Held
Q1 2026
16Cetera Investment Advisers
$108K
30K
Held
Q1 2026
17CITADEL ADVISORS LLC
$98K
27K
+49%
Added · +9K sh
Q1 2026
18Rockefeller Capital Management L.P.
$72K
20K
Held
Q1 2026
19MERCER GLOBAL ADVISORS INC /ADV
$66K
19K
New
+19K sh
Q1 2026
20HighTower Advisors, LLC
$62K
17K
New
+17K sh
Q1 2026
21Fisher Asset Management, LLC
$60K
17K
New
+17K sh
Q1 2026
22Kestra Advisory Services, LLC
$46K
13K
Held
Q1 2026
23SUSQUEHANNA INTERNATIONAL GROUP, LLP
$42K
12K
−14%
Reduced · −2K sh
Q1 2026
24Mesirow Financial Investment Management, Inc.
$42K
12K
+1.4%
Added · +162 sh
Q1 2026
25Integrated Wealth Concepts LLC
$42K
12K
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.

Fund activity: latest quarter

Opened (NEW)
4
funds
Added
4
funds
Reduced
0
funds
Exited
0
funds

Insider activity (Form 4)

Full insider page →
Buys · 180d
$2K
1 insiders
Sells · 180d
$0
0 insiders
Net
$2K
1 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Jun 8, 2026JPMorgan Chase Bank, N.A.10% OwnerOther (J)330
Jan 20, 2026GOLDSTEIN PHILLIP10% OwnerBuy (P)678$2K

Institutional ownership over time

29 funds+11 since Q2 2022
01529Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $26.5M

Funds that own CMU also own

CompanyCo-held byCombined value
APPLE INCAAPL14 funds$7.7B
MICROSOFT CORPMSFT14 funds$6.6B
NVIDIA CORPNVDA13 funds$9.3B
SS SPDR S&P 500 ETF TRUST-USSPY13 funds$7.6B
ISHARES CORE S&P 500 ETFIVV13 funds$6.7B
AMAZON.COM INCAMZN13 funds$5.5B
ALPHABET INC-CL AGOOGL13 funds$4.0B
BROADCOM INCAVGO13 funds$3.7B
ALPHABET INC-CL CGOOG13 funds$3.1B
META PLATFORMS INC-CLASS AMETA13 funds$2.9B
JPMORGAN CHASE & COJPM13 funds$2.5B
BERKSHIRE HATHAWAY INC-CL BBRK/B13 funds$2.4B

Ranked by how many of CMU's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

6 shown

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CMU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.