Rivernorth Capital Management, Llc

13F Holdings History for MFS HIGH YIELD MUNICIPAL TRUST - Shares of Beneficial Interest (CMU)

Symbol: CMU on NYSE
Investment type: Equity / Shares of Beneficial Interest
Latest Disclosed Ownership: 2.58M shares
Security Ownership: 10.1%

Shares, Excluding Options vs Price

Value, Excluding Options

RIVERNORTH CAPITAL MANAGEMENT, LLC ownership in MFS HIGH YIELD MUNICIPAL TRUST Shares of Beneficial Interest (CMU)

2025-10-07 - RIVERNORTH CAPITAL MANAGEMENT, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 2.58M shares of MFS HIGH YIELD MUNICIPAL TRUST Shares of Beneficial Interest (CMU). This represents 10.1% percent ownership of the company. In their previous filing dated 2025-05-15, RIVERNORTH CAPITAL MANAGEMENT, LLC had reported owning 1.91M shares, indicating an increase of 34.7% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
RIVERNORTH CAPITAL MANAGEMENT, LLC	10.12%	+32.6%	$8.92M	2.58M	+664,348	+34.7%	$3.46	13G/A	9/30/2025	7 Oct 2025 15:43:31
RIVERNORTH CAPITAL MANAGEMENT, LLC	7.51%		$6.17M	1.91M			$3.22	13G/A	3/31/2025	15 May 2025 10:11:52

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	0.37%	+0.02%	$6.66M	2M	+83,959	+4.38%	$3.33	Q2 2025
3/31/2025	0.35%	+0.11%	$6.68M	1.91M	+567,613		$3.49	Q1 2025
12/31/2024	0.23%	+0%	$4.74M	1.35M	+26,396	+2%	$3.52	Q4 2024
9/30/2024	0.23%	+0.04%	$4.84M	1.32M	+219,483	+19.9%	$3.67	Q3 2024
6/30/2024	0.18%	+0.04%	$3.78M	1.1M	+239,878	+27.8%	$3.43	Q2 2024
3/31/2024	0.14%	+0.03%	$2.87M	861K	+157,939	+22.5%	$3.33	Q1 2024
12/31/2023	0.11%	0%	$2.33M	703K	-19,352	-2.68%	$3.31	Q4 2023
9/30/2023	0.12%	-0.05%	$2.28M	723K	-286,994	-28.4%	$3.16	Q3 2023
6/30/2023	0.16%	+0.06%	$3.25M	1.01M	+381,301	+60.7%	$3.22	Q2 2023
3/31/2023	0.1%	+0.03%	$2.02M	628K	+169,957	+37.1%	$3.21	Q1 2023
12/31/2022	0.06%	-0.06%	$1.44M	459K	-390,480	-46%	$3.13	Q4 2022
9/30/2022	0.11%		$2.56M	849K			$3.01	Q3 2022
6/30/2022	0.12%	-0.04%	$2.85M	849K	-288,252	-25.3%	$3.36	Q2 2022
3/31/2022	0.17%	+0.08%	$4.4M	1.14M	+531,223	+87.7%	$3.87	Q1 2022
12/31/2021	0.11%	+0.07%	$2.74M	606K	+403,051	+199%	$4.52	Q4 2021
9/30/2021	0.05%	+0.01%	$932K	203K	+46,329	+29.6%	$4.59	Q3 2021
6/30/2021	0.04%	-0.03%	$744K	157K	-93,758	-37.4%	$4.75	Q2 2021
3/31/2021	0.07%	+0.07%	$1.12M	250K	+250,393	NEW	$4.46	Q1 2021
3/31/2019		-0.01%	$0	0	-32,830	-100%		Q1 2019
12/31/2018	0.01%	+0.01%	$135K	32.8K	+32,830	NEW	$4.11	Q4 2018
12/31/2015		-0.01%	$0	0	-24,696	-100%		Q4 2015
9/30/2015	0.01%	+0.01%	$108K	24.7K	+24,696	NEW	$4.37	Q3 2015

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.