Mariner
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Mariner’s BlackRock MuniYield Quality Fund III MYI Stock Holding History

Mariner’s Portfolio MYI Stock Details MYI Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$356K Buy
32,018
+15,565
+95% +$170K ﹤0.01% 2711
2026
Q1 		$173K Buy
16,453
+64
+0.4% +$705 ﹤0.01% 3201
2025
Q4 		$178K Buy
16,389
+130
+0.8% +$1.43K ﹤0.01% 3198
2025
Q3 		$180K Buy
16,259
+2,001
+14% +$21.2K ﹤0.01% 3208
2025
Q2 		$150K Buy
14,258
+67
+0.5% +$704 ﹤0.01% 3143
2025
Q1 		$156K Buy
+14,191
New +$157K ﹤0.01% 3081
2024
Q2 		– Sell
-12,984
Closed -$149K – 3249
2024
Q1 		$149K Sell
12,984
-3,424
-21% -$38.9K ﹤0.01% 2846
2023
Q4 		$191K Sell
16,408
-2,722
-14% -$28.2K ﹤0.01% 2705
2023
Q3 		$183K Sell
19,130
-3,420
-15% -$36.1K ﹤0.01% 2538
2023
Q2 		$247K Sell
22,550
-8,960
-28% -$98.1K ﹤0.01% 2280
2023
Q1 		$357K Sell
31,510
-10,159
-24% -$113K ﹤0.01% 1935
2022
Q4 		$467K Buy
41,669
+1,155
+3% +$12.3K ﹤0.01% 1687
2022
Q3 		$423K Buy
+40,514
New +$472K ﹤0.01% 1518

Other funds holding MYI

KIM
Karpus Investment Management Pittsford, New York $3.48B AUM 10.49% 1-Year Est. Return
RCM
Rivernorth Capital Management West Palm Beach, Florida $2.1B AUM 2.15% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
GC
Guggenheim Capital Chicago, Illinois $15.9B AUM 53.4% 1-Year Est. Return
SIA
Sit Investment Associates Minneapolis, Minnesota $5.28B AUM 14.42% 1-Year Est. Return
RCM
Robinson Capital Management Grosse Pointe Farms, Michigan $226M AUM 6.92% 1-Year Est. Return
Raymond James Financial
Raymond James Financial St Petersburg, Florida $369B AUM 28.27% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Stifel Financial
Stifel Financial St. Louis, Missouri $120B AUM 27.84% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

Mariner's MYI Position: Q2 2026 in Review

Mariner increased its BlackRock MuniYield Quality Fund III (MYI) stake by 95% in Q2 2026, buying an estimated $170K and bringing the position to 32,018 shares worth $356K. The position accounts for ﹤0.01% of the portfolio, ranked #2711.

Mariner first reported a position in MYI in Q3 2022 and has held it in 13 quarters since. The position peaked at $467K in Q4 2022. 154 funds tracked by Wall St. Rank hold MYI as of Q2 2026.

  • Mariner held 32,018 shares of BlackRock MuniYield Quality Fund III worth $356K as of Q2 2026.
  • Mariner bought 15,565 BlackRock MuniYield Quality Fund III shares in Q2 2026, an estimated $170K.
  • BlackRock MuniYield Quality Fund III made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2711 holding.
  • Mariner first reported a position in BlackRock MuniYield Quality Fund III in Q3 2022 and has held it in 13 quarters since.
  • Mariner's BlackRock MuniYield Quality Fund III position peaked at $467K in Q4 2022.
  • 154 funds tracked by Wall St. Rank held BlackRock MuniYield Quality Fund III as of Q2 2026.

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