J.P. Morgan Exchange-Traded Fund Trust - JPMorgan Ultra-Short Municipal Income ETF
US ˙ ARCA ˙ US46641Q6540

SecurityJMST / J.P. Morgan Exchange-Traded Fund Trust - JPMorgan Ultra-Short Municipal Income ETF
InstitutionMason & Associates Inc
Latest Disclosed Ownership5,057 shares
Latest Disclosed Value $ 257,755
Mason & Associates Inc reports 33.31% decrease in ownership of JMST / J.P. Morgan Exchange-Traded Fund Trust - JPMorgan Ultra-Short Municipal Income ETF

On April 30, 2026 - Mason & Associates Inc filed a 13F-HR form disclosing ownership of 5,057 shares of J.P. Morgan Exchange-Traded Fund Trust - JPMorgan Ultra-Short Municipal Income ETF (US:JMST) valued at $257,806 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 7,583 shares of J.P. Morgan Exchange-Traded Fund Trust - JPMorgan Ultra-Short Municipal Income ETF. This represents a change in shares of -33.31% during the quarter. The current value of the position is $257,553 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-04-30 2026-03-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 5,057 -2,526 -33.31 258 -33.42 0.0499
2026-02-05 2025-12-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 7,583 -4,312 -36.25 386 -36.41 0.0727
2025-11-07 2025-09-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 11,895 -3,249 -21.45 607 -21.27 0.1223
2025-07-31 2025-06-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 15,144 -4,901 -24.45 771 -24.34 0.1780
2025-04-17 2025-03-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 20,045 -16,342 -44.91 1,019 -44.77 0.2533
2025-01-14 2024-12-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 36,387 -2,886 -7.35 1,845 -7.75 0.4341
2024-10-23 2024-09-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 39,273 27,471 232.77 2,001 234.45 0.4991
2024-07-19 2024-06-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 11,802 -4,400 -27.16 599 -27.25 0.1593
2024-04-23 2024-03-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 16,202 -2,891 -15.14 822 -15.08 0.2193
2024-01-17 2023-12-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 19,093 -6,818 -26.31 969 -25.94 0.2847
2023-10-20 2023-09-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 25,911 -3,790 -12.76 1,307 -13.10 0.4183
2023-07-21 2023-06-30 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 29,701 -295 -0.98 1,504 -1.25 0.4440
2023-04-21 2023-03-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 29,996 -1,766 -5.56 1,523 -5.11 0.4660
2023-01-13 2022-12-31 13F J P MORGAN EXCHANGE TRADED F ULTRA SHT MUNCPL 46641Q654 31,762 31,762 1,605 0.5124
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.