Richardson Electronics, Ltd.
US ˙ NasdaqGS ˙ US7631651079

SecurityRELL / Richardson Electronics, Ltd.
InstitutionMorgan Stanley
Latest Disclosed Ownership181,565 shares
Latest Disclosed Value $ 1,988,147
Morgan Stanley reports 70.89% increase in ownership of RELL / Richardson Electronics, Ltd.

On May 15, 2026 - Morgan Stanley filed a 13F-HR form disclosing ownership of 181,565 shares of Richardson Electronics, Ltd. (US:RELL) valued at $1,988,137 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 27, 2026 disclosing 106,247 shares of Richardson Electronics, Ltd.. This represents a change in shares of 70.89% during the quarter. The current value of the position is $3,126,549 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)
2026-05-15 2026-03-31 13F RICHARDSON ELECTRS COM 763165107 181,565 75,318 70.89 1,988 72.12 0.0001
2026-05-27 2025-12-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 106,247 52,952 99.36 1,156 121.69 0.0001
2026-02-13 2025-12-31 13F RICHARDSON ELECTRS COM 763165107 106,247 52,952 1,156 0.0001
2026-05-27 2025-09-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 53,295 243 0.46 522 1.96 0.0000
2025-11-14 2025-09-30 13F RICHARDSON ELECTRS COM 763165107 53,295 243 522 0.0000
2025-08-15 2025-06-30 13F RICHARDSON ELECTRS COM 763165107 53,052 15,484 41.22 512 21.96 0.0000
2025-05-15 2025-03-31 13F RICHARDSON ELECTRS COM 763165107 37,568 -7,545 -16.72 419 -33.70 0.0000
2025-05-15 2024-12-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 45,113 -5,210 -10.35 633 1.94 0.0000
2025-02-14 2024-12-31 13F RICHARDSON ELECTRS COM 763165107 45,113 -5,210 633 0.0000
2025-05-14 2024-09-30 13F/A-2 RICHARDSON ELECTRS COM 763165107 50,323 15,016 42.53 621 47.97 0.0000
2025-02-14 2024-09-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 50,323 15,016 621 0.0000
2024-11-14 2024-09-30 13F RICHARDSON ELECTRS COM 763165107 50,323 15,016 621 0.0000
2025-05-14 2024-06-30 13F/A-2 RICHARDSON ELECTRS COM 763165107 35,307 1,968 5.90 420 36.48 0.0000
2024-10-17 2024-06-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 35,307 1,968 420 0.0000
2024-08-14 2024-06-30 13F RICHARDSON ELECTRS COM 763165107 35,307 1,968 420 0.0000
2024-10-17 2024-03-31 13F/A-2 RICHARDSON ELECTRS COM 763165107 33,339 -5,518 -14.20 307 -40.73 0.0000
2024-08-16 2024-03-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 33,339 -5,518 307 0.0000
2024-05-15 2024-03-31 13F RICHARDSON ELECTRS COM 763165107 33,339 -5,518 307 0.0000
2024-08-16 2023-12-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 38,857 21,664 126.00 519 177.01 0.0000
2024-02-13 2023-12-31 13F RICHARDSON ELECTRS COM 763165107 38,857 21,664 519 0.0000
2023-11-15 2023-09-30 13F RICHARDSON ELECTRS COM 763165107 17,193 -4,608 -21.14 188 -47.91 0.0000
2023-08-14 2023-06-30 13F RICHARDSON ELECTRS COM 763165107 21,801 -25,856 -54.25 360 -66.23 0.0000
2023-05-15 2023-03-31 13F RICHARDSON ELECTRS COM 763165107 47,657 -5,084 -9.64 1,064 -5.43 0.0001
2023-02-14 2022-12-31 13F RICHARDSON ELECTRS COM 763165107 52,741 31,589 149.34 1,125 251.25 0.0001
2022-11-14 2022-09-30 13F RICHARDSON ELECTRS COM 763165107 21,152 16,517 356.35 320 370.59 0.0000
2022-10-27 2022-06-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 4,635 2,125 84.66 68 119.35 0.0000
2022-08-15 2022-06-30 13F RICHARDSON ELECTRS COM 763165107 4,635 2,125 68 0.0000
2022-10-27 2022-03-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 2,510 -12,406 -83.17 31 -84.65 0.0000
2022-05-13 2022-03-31 13F RICHARDSON ELECTRS COM 763165107 2,510 -12,406 31 0.0000
2022-02-14 2021-12-31 13F RICHARDSON ELECTRS COM 763165107 14,916 8,712 140.43 202 236.67 0.0000
2021-11-15 2021-09-30 13F RICHARDSON ELECTRS COM 763165107 6,204 -1,748 -21.98 60 -9.09 0.0000
2021-08-23 2021-06-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 7,952 7,918 23,288.24 66 0.0000
2021-08-16 2021-06-30 13F RICHARDSON ELECTRS COM 763165107 7,952 7,918 66 0.0000
2021-05-17 2021-03-31 13F RICHARDSON ELECTRS COM 763165107 34 0 0.00 0 -100.00 0.0000
2021-02-16 2020-12-31 13F RICHARDSON ELECTRS COM 763165107 34 0 0.00 0 0.0000
2020-11-13 2020-09-30 13F RICHARDSON ELECTRS COM 763165107 34 0 0.00 0 0.0000
2020-08-14 2020-06-30 13F RICHARDSON ELECTRS COM 763165107 34 -91 -72.80 0 0.0000
2020-05-26 2020-03-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 125 -1 -0.79 0 -100.00
2020-05-15 2020-03-31 13F RICHARDSON ELECTRS COM 763165107 125 -1 0 0.0000
2020-02-14 2019-12-31 13F RICHARDSON ELECTRS COM 763165107 126 -91 -41.94 1 -50.00 0.0000
2019-11-14 2019-09-30 13F RICHARDSON ELECTRS COM 763165107 217 -907 -80.69 2 -66.67 0.0000
2019-08-14 2019-06-30 13F RICHARDSON ELECTRS COM 763165107 1,124 479 74.26 6 50.00 0.0000
2019-05-15 2019-03-31 13F RICHARDSON ELECTRS COM 763165107 645 398 161.13 4 100.00 0.0000
2019-02-14 2018-12-31 13F RICHARDSON ELECTRS COM 763165107 247 247 -61.71 2 -50.00 0.0000
2019-04-23 2018-06-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 0 -354 -100.00 0 -100.00
2019-04-23 2018-03-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 354 -246 -41.00 3 -25.00 0.0000
2018-05-14 2018-03-31 13F RICHARDSON ELECTRS COM 763165107 354 -246 3
2017-05-22 2017-03-31 13F/A-1 RICHARDSON ELECTRS COM 763165107 600 600 69.49 4 33.33 0.0000
2017-05-12 2017-03-31 13F RICHARDSON ELECTRS COM 763165107 600 4
2016-05-12 2016-03-31 13F RICHARDSON ELECTRS COM 763165107 0 0 0 0.0000
2016-02-09 2015-12-31 13F RICHARDSON ELECTRS COM 763165107 0 -675 -100.00 0 -100.00
2016-02-08 2015-09-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 675 675 0.00 4 0.0000
2015-11-09 2015-09-30 13F RICHARDSON ELECTRS COM 763165107 675 4
2015-05-14 2015-03-31 13F RICHARDSON ELECTRS COM 763165107 0 -8,038 -100.00 0 -100.00
2015-02-13 2014-12-31 13F RICHARDSON ELECTRS COM 763165107 8,038 3,457 75.46 81 76.09 0.0000
2014-12-16 2014-09-30 13F/A-1 RICHARDSON ELECTRS COM 763165107 4,581 799 21.13 46 12.20 0.0000
2014-11-14 2014-09-30 13F RICHARDSON ELECTRS COM 763165107 4,581 46
2014-05-13 2014-03-31 13F RICHARDSON ELECTRS COM 763165107 3,782 833 28.25 41 20.59 0.0000
2014-02-13 2013-12-31 13F RICHARDSON ELECTRS COM 763165107 2,949 -11,305 -79.31 34 -79.64 0.0000
2013-08-08 2013-06-30 13F RICHARDSON ELECTRS LTD COM COM 763165107 14,254 14,254 167 0.0001
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.