What does CUSIP 59318E102 represent in this 13F holders report?

CUSIP 59318E102 is the security identifier for CMU - MFS HIGH YIELD MUNICIPAL TRUST - Common Stock used to aggregate holder disclosures.

How many institutions held CMU - MFS HIGH YIELD MUNICIPAL TRUST - Common Stock in Q4 2017?

30 institutional investors reported CMU - MFS HIGH YIELD MUNICIPAL TRUST - Common Stock for Q4 2017. Use the holders table for investor-level position and value details.

MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (CMU)

CUSIP: 59318E102

Q4 2017 13F Holders as of 31 Dec 2017

Security type / class: Equity / Common Stock
Shares outstanding: 25,385,051
Total 13F shares: 1,836,920
Share change: +383,902
Total reported value: $8,485,000
Reported price per share: $4.62
Number of holders: 30
Value change: +$1,764,614
Number of buys: 8
Number of sells: 8

Security key

59318E102

Report period

Q4 2017

Institutions

Top holders

CMU full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2018 Previous quarter: Q3 2017 MFS HIGH YIELD MUNICIPAL TRUST SEC filings

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 59318E102

Newer quarter: Q1 2018 Previous quarter: Q3 2017

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of CMU - MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

UBS Group AG

13D/G signal

—

Evidence rows

Latest as of

30 Sep 2017

13F Lead comparable stake: 1.2% Showing first 8 of 27 holder rows. Open remaining rows

Rank 1 holder

UBS Group AG

13F

Ownership: 1.2%
Position: $1.4M

13F

Rank 2 holder

Advisors Asset Management, Inc.

13F

Ownership: 1.2%
Position: $1.39M

13F

Rank 3 holder

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
UBS Group AG	13F Company 13F	1.2%	$1,399,000 294,625 shares	—	30 Sep 2017
Advisors Asset Management, Inc.	13F Company 13F	1.2%	$1,393,000 293,232 shares	—	30 Sep 2017
RAYMOND JAMES & ASSOCIATES	13F Company 13F	0.4%	$477,000 100,452 shares	—	30 Sep 2017
MORGAN STANLEY	13F Company 13F	0.25%	$306,000 64,389 shares	—	30 Sep 2017
Commonwealth Equity Services, Inc	13F Company 13F	0.18%	$215,000 45,251 shares	—	30 Sep 2017
Laurion Capital Management LP	13F Company 13F	0.15%	$179,000 37,768 shares	—	30 Sep 2017
NATIONAL PLANNING CORP	13F Company 13F	0.13%	$162,000 34,065 shares	—	30 Sep 2017
Raymond James Financial Services Advisors, Inc.	13F Company 13F	0.12%	$147,000 31,000 shares	—	30 Sep 2017

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
AMERIPRISE FINANCIAL INC	13F Company 13F	0.12%	$143,000 30,055 shares	—	30 Sep 2017
Creative Planning	13F Company 13F	0.11%	$136,000 28,661 shares	—	30 Sep 2017
RAYMOND JAMES TRUST N.A.	13F Company 13F	0.1%	$119,000 25,050 shares	—	30 Sep 2017
Virtu Financial LLC	13F Company 13F	0.1%	$115,000 24,223 shares	—	30 Sep 2017
LADENBURG THALMANN FINANCIAL SERVICES INC.	13F Company 13F	0.05%	$64,000 13,628 shares	—	30 Sep 2017
Private Advisor Group, LLC	13F Company 13F	0.05%	$58,000 12,008 shares	—	30 Sep 2017
MML INVESTORS SERVICES, LLC	13F Company 13F	0.05%	$57,000 12,000 shares	—	30 Sep 2017
BANK OF MONTREAL /CAN/	13F Company 13F	0.04%	$48,000 10,000 shares	—	30 Sep 2017
ROYAL BANK OF CANADA	13F Company 13F	0.04%	$48,000 10,000 shares	—	30 Sep 2017
IFP Advisors, Inc	13F Company 13F	0.03%	$42,000 8,808 shares	—	30 Sep 2017
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	13F Company 13F	0.03%	$31,000 6,603 shares	—	30 Sep 2017
ISTHMUS PARTNERS, LLC	13F Company 13F	0.02%	$29,000 6,150 shares	—	30 Sep 2017
Tradewinds Capital Management, LLC	13F Company 13F	0.02%	$25,000 5,321 shares	—	30 Sep 2017
BANK OF AMERICA CORP /DE/	13F Company 13F	0.01%	$18,000 3,700 shares	—	30 Sep 2017
Advisor Group, Inc.	13F Company 13F	0.01%	$18,000 3,646 shares	—	30 Sep 2017
WELLS FARGO & COMPANY/MN	13F Company 13F	0.01%	$7,000 1,501 shares	—	30 Sep 2017
THRIVENT FINANCIAL FOR LUTHERANS	13F Company 13F	0%	$5,000 1,000 shares	—	30 Sep 2017
Geneos Wealth Management Inc.	13F Company 13F	0%	$4,000 900 shares	—	30 Sep 2017
FIFTH THIRD BANCORP	13F Company 13F	0%	$1,000 200 shares	—	30 Sep 2017

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2017

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,836,920

Rows loaded

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

^* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

Q4 2017 holders

Holder diff

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 value	Q4 2017 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (CMU)

Q4 2017 13F Holders as of 31 Dec 2017

Holder history for CUSIP 59318E102

Top shareholders of CMU - MFS HIGH YIELD MUNICIPAL TRUST - Common Stock (13F + 13D/G + 3/4/5)

UBS Group AG

Advisors Asset Management, Inc.

RAYMOND JAMES & ASSOCIATES

Institutional holders as of Q4 2017

Compare Q4 2017 vs Q3 2017 Across Filers