Mariner
JMST icon

Mariner’s JPMorgan Ultra-Short Municipal Income ETF JMST Stock Holding History

Mariner’s Portfolio JMST Stock Details JMST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$31.3M Sell
614,234
-273,761
-31% -$13.9M 0.03% 373
2026
Q1 		$45.3M Sell
887,995
-942
-0.1% -$48.1K 0.05% 286
2025
Q4 		$45.3M Buy
888,937
+97,892
+12% +$4.99M 0.05% 277
2025
Q3 		$40.4M Sell
791,045
-131,943
-14% -$6.72M 0.05% 281
2025
Q2 		$47M Buy
922,988
+552,752
+149% +$28.1M 0.07% 251
2025
Q1 		$18.8M Sell
370,236
-1,519
-0.4% -$77.2K 0.03% 392
2024
Q4 		$18.9M Buy
371,755
+130,728
+54% +$6.64M 0.03% 380
2024
Q3 		$12.3M Sell
241,027
-7,980
-3% -$406K 0.02% 482
2024
Q2 		$12.6M Buy
249,007
+54,972
+28% +$2.78M 0.02% 442
2024
Q1 		$9.85M Buy
194,035
+39,228
+25% +$1.99M 0.02% 513
2023
Q4 		$7.85M Buy
154,807
+14,742
+11% +$745K 0.02% 547
2023
Q3 		$7.07M Buy
140,065
+39,047
+39% +$1.97M 0.02% 535
2023
Q2 		$5.12M Sell
101,018
-57,901
-36% -$2.93M 0.01% 645
2023
Q1 		$8.07M Buy
158,919
+43,135
+37% +$2.18M 0.02% 498
2022
Q4 		$5.85M Buy
115,784
+57,432
+98% +$2.9M 0.02% 549
2022
Q3 		$2.94M Sell
58,352
-4,378
-7% -$221K 0.01% 653
2022
Q2 		$3.18M Sell
62,730
-4,075
-6% -$206K 0.01% 595
2022
Q1 		$3.38M Sell
66,805
-1,214
-2% -$61.7K 0.01% 584
2021
Q4 		$3.47M Buy
+68,019
New +$3.47M 0.01% 514

Other funds holding JMST

Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Northwestern Mutual Wealth Management
Northwestern Mutual Wealth Management Milwaukee, Wisconsin $187B AUM 21.7% 1-Year Est. Return
HWM
HB Wealth Management Atlanta, Georgia $17.8B AUM 24.16% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
RCA
Resonant Capital Advisors Madison, Wisconsin $2.09B AUM 20.07% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $617B AUM 30.33% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
SL
Salomon & Ludwin Richmond, Virginia $1.22B AUM 19.42% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Mariner's JMST Position: Q2 2026 in Review

Mariner reduced its JPMorgan Ultra-Short Municipal Income ETF (JMST) stake by 31% in Q2 2026, selling an estimated $13.9M and leaving 614,234 shares worth $31.3M. The position accounts for 0.03% of the portfolio, ranked #373.

Mariner first reported a position in JMST in Q4 2021 and has held it in 19 quarters since. The position peaked at $47M in Q2 2025. 561 funds tracked by Wall St. Rank hold JMST as of Q2 2026.

  • Mariner held 614,234 shares of JPMorgan Ultra-Short Municipal Income ETF worth $31.3M as of Q2 2026.
  • Mariner sold 273,761 JPMorgan Ultra-Short Municipal Income ETF shares in Q2 2026, an estimated $13.9M.
  • JPMorgan Ultra-Short Municipal Income ETF made up 0.03% of Mariner's portfolio in Q2 2026, its #373 holding.
  • Mariner first reported a position in JPMorgan Ultra-Short Municipal Income ETF in Q4 2021 and has held it in 19 quarters since.
  • Mariner's JPMorgan Ultra-Short Municipal Income ETF position peaked at $47M in Q2 2025.
  • 561 funds tracked by Wall St. Rank held JPMorgan Ultra-Short Municipal Income ETF as of Q2 2026.

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