Mariner’s Nuveen Municipal High Income Opportunity Fund NMZ Stock Holding History

Mariner’s Portfolio NMZ Stock Details NMZ Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$562K	Sell	53,135 -106,540	-67%	-$1.1M	﹤0.01%	2370
2026 Q1	$1.66M	Buy	159,675 +1,862	+1%	+$19.5K	﹤0.01%	1632
2025 Q4	$1.61M	Buy	157,813 +67,137	+74%	+$708K	﹤0.01%	1634
2025 Q3	$960K	Sell	90,676 -1,484	-2%	-$15.2K	﹤0.01%	1941
2025 Q2	$956K	Buy	92,160 +10,758	+13%	+$112K	﹤0.01%	1824
2025 Q1	$888K	Sell	81,402 -5,583	-6%	-$61.9K	﹤0.01%	1776
2024 Q4	$940K	Sell	86,985 -12,734	-13%	-$144K	﹤0.01%	1706
2024 Q3	$1.16M	Buy	99,719 +466	+0.5%	+$5.18K	﹤0.01%	1494
2024 Q2	$1.07M	Sell	99,253 -11,252	-10%	-$118K	﹤0.01%	1462
2024 Q1	$1.17M	Buy	110,505 +211	+0.2%	+$2.15K	﹤0.01%	1410
2023 Q4	$1.09M	Buy	110,294 +1,473	+1%	+$13.7K	﹤0.01%	1372
2023 Q3	$1.01M	Buy	108,821 +323	+0.3%	+$3.3K	﹤0.01%	1318
2023 Q2	$1.15M	Buy	+108,498	New	+$1.15M	﹤0.01%	1225
2018 Q2	–	Sell	-15,412	Closed	-$193K	–	815
2018 Q1	$193K	Buy	+15,412	New	+$202K	0.01%	604

Other funds holding NMZ

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Guggenheim Capital Chicago, Illinois $15.9B AUM 53.4% 1-Year Est. Return

Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return

SIA

Sit Investment Associates Minneapolis, Minnesota $5.28B AUM 14.42% 1-Year Est. Return

HWAM

Hennion & Walsh Asset Management Parsippany, New Jersey $3.5B AUM 41.95% 1-Year Est. Return

Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return

VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return

Mariner's NMZ Position: Q2 2026 in Review

Mariner reduced its Nuveen Municipal High Income Opportunity Fund (NMZ) stake by 67% in Q2 2026, selling an estimated $1.1M and leaving 53,135 shares worth $562K. The position accounts for ﹤0.01% of the portfolio, ranked #2370.

Mariner first reported a position in NMZ in Q1 2018 and has held it in 14 quarters since. The position peaked at $1.66M in Q1 2026. 212 funds tracked by Wall St. Rank hold NMZ as of Q2 2026.

Mariner held 53,135 shares of Nuveen Municipal High Income Opportunity Fund worth $562K as of Q2 2026.
Mariner sold 106,540 Nuveen Municipal High Income Opportunity Fund shares in Q2 2026, an estimated $1.1M.
Nuveen Municipal High Income Opportunity Fund made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2370 holding.
Mariner first reported a position in Nuveen Municipal High Income Opportunity Fund in Q1 2018 and has held it in 14 quarters since.
Mariner's Nuveen Municipal High Income Opportunity Fund position peaked at $1.66M in Q1 2026.
212 funds tracked by Wall St. Rank held Nuveen Municipal High Income Opportunity Fund as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.