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Richardson Electronics, Ltd.

RELL
Exchange
Nasdaq
Industry
Wholesale-Electronic Parts & Equipment, NEC
SEC CIK
0000355948

In the last 90 days, Richardson Electronics, Ltd. insiders filed 0 open-market purchases and 5 sales; 114 institutions reported holding it in 13F filings for Q2 2026, worth $188.0M in total; no superinvestor holds it.

Holders of 5% or more of RELL

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Richardson Electronics, Ltd., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of RELL
HolderLatest formStakeChangeFirst filedLatest filingFiling
Royce & Associates LP13G/A11.17%1.39M shares+1.05 ppfrom 10.12%Jan 27, 20217 filingsOct 15, 2025SEC
DDD Partners, LLC13G/A9.10%1.13M shares−0.30 ppfrom 9.40%Jan 31, 20243 filingsJan 6, 2026SEC
Dimensional Fund Advisors LP13G/A6.20%774.7K shares–Feb 16, 20215 filingsJan 21, 2026SEC
First Wilshire Securities Management Inc13G5.40%672.0K sharesNewMay 11, 20261 filingMay 11, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

37 Schedule 13D and 13G filings on Richardson Electronics, Ltd., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on RELL
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 11, 20267:07 PM ETFirst Wilshire Securities Management Inc13G5.40%672.0K sharesNewMar 31, 2026SEC
Mar 27, 202611:35 AM ETVanguard Group Inc13G/A0.00%0 shares−5.56 ppfrom 5.56%Below 5%Mar 13, 2026SEC
Jan 21, 20261:21 PM ETDimensional Fund Advisors LP13G/A6.20%774.7K shares–Dec 31, 2025SEC
Jan 6, 20264:21 PM ETDDD Partners, LLC13G/A9.10%1.13M shares−0.30 ppfrom 9.40%Dec 31, 2025SEC
Oct 15, 202510:31 AM ETRoyce & Associates LP13G/A11.17%1.39M shares+1.05 ppfrom 10.12%Sep 30, 2025SEC
Jan 31, 20259:54 AM ETVanguard Group Inc13G5.56%686.2K sharesNewDec 31, 2024SEC
Jan 15, 202511:30 AM ETDDD Partners, LLC13G/A9.40%1.16M shares–Dec 31, 2024SEC
Jan 8, 20252:44 PM ETRoyce & Associates LP13G10.12%1.25M shares–Dec 31, 2024SEC
Oct 17, 2024Royce & Associates LP13G/AOld format–––SEC
Feb 13, 2024Renaissance Technologies LLC13G/AOld format–––SEC
Feb 9, 2024Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 1, 2024Richardson Edward J13G/AOld format–––SEC
Jan 31, 2024DDD Partners, LLC13GOld format–New–SEC
Jan 26, 20244:23 PM ETBlackRock Inc.13GOld format–New–SEC
Jan 24, 2024Royce & Associates LP13G/AOld format–––SEC
Feb 13, 2023Portolan Capital Management, LLC13G/AOld format–––SEC
Feb 13, 2023Renaissance Technologies LLC13G/AOld format–––SEC
Feb 10, 2023Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 8, 2023BML Investment Partners, L.P.13G/AOld format–––SEC
Feb 7, 2023Richardson Edward J13G/AOld format–––SEC
Jan 24, 2023Royce & Associates LP13G/AOld format–––SEC
Jan 20, 2023Chain of Lakes Investment Fund, LLC13G/AOld format–––SEC
Aug 15, 2022Portolan Capital Management, LLC13GOld format–New–SEC
Feb 14, 2022Chain of Lakes Investment Fund, LLC13G/AOld format–––SEC
Feb 11, 2022Richardson Edward J13G/AOld format–––SEC
Feb 11, 2022Renaissance Technologies LLC13G/AOld format–––SEC
Feb 8, 2022Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 3, 2022Mutual of America Capital Management LLC13GOld format–––SEC
Jan 27, 2022BML Investment Partners, L.P.13G/AOld format–––SEC
Jan 25, 2022Royce & Associates LP13G/AOld format–––SEC
Feb 16, 2021Dimensional Fund Advisors LP13G/AOld format–––SEC
Feb 11, 2021Renaissance Technologies LLC13G/AOld format–––SEC
Feb 10, 2021BML Investment Partners, L.P.13G/AOld format–––SEC
Feb 5, 2021Chain of Lakes Investment Fund, LLC13G/AOld format–––SEC
Feb 4, 2021Richardson Edward J13G/AOld format–––SEC
Feb 1, 2021Mutual of America Capital Management LLC13GOld format–New–SEC
Jan 27, 2021Royce & Associates LP13G/AOld format–––SEC

Form 144: proposed insider sales

33 notices from officers, directors and other affiliates planning to sell Richardson Electronics, Ltd. shares, newest first.

Form 144 notices for RELL
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Oct 29, 202611:18 AM ETHalverson KennethDirector1.00K$20.6KOct 29, 2026Fidelity Brokerage Services LLCSEC
Oct 13, 20264:20 PM ETDiddell WendyOfficer39.0K$744.0KOct 13, 2026Fidelity Brokerage Services LLCSEC
Oct 13, 20262:04 PM ETPeloquin Gregory JPolicy-Making Officer15.4K$323.5KOct 13, 2026Fidelity Brokerage Services LLCSEC
Aug 20, 20263:10 PM ETHalverson KennethDirector1.50K$28.9KAug 20, 2026Fidelity Brokerage Services LLCSEC
Aug 19, 20262:04 PM ETBenham JamesDirector3.02K$57.4KAug 19, 2026Fidelity Brokerage Services LLCSEC
Aug 13, 20263:12 PM ETPeloquin Gregory JOfficer46.3K$972.7KAug 13, 2026Fidelity Brokerage Services LLCSEC
Aug 7, 20263:26 PM ETDiddell WendyOfficer39.0K$811.8KAug 8, 2026Fidelity Brokerage Services LLCSEC
Aug 5, 20269:19 AM ETBelin JacquesDirector5.00K$100.0KAug 4, 2026Muriel SIebert & Co., LLC.SEC
Jul 30, 20264:04 PM ETKluge Robert HDirector29.0K$536.8KJul 30, 2026Fidelity Brokerage Services LLCSEC
Jul 30, 20263:50 PM ETPlante Paul JDirector7.00K$132.6KJul 28, 2026Seacoast BankSEC
Jul 28, 20264:08 PM ETBenham JamesDirector10.0K$179.6KJul 28, 2026Fidelity Brokerage Services LLCSEC
Jul 28, 20263:40 PM ETPlante Paul JDirector10.0K$215.0KJul 28, 2026F1delil) Brol.erage Services LLCSEC
Jul 28, 202611:12 AM ETHalverson KennethDirector5.00K$91.9KJul 28, 2026Fidelity Brokerage Services LLCSEC
Jul 28, 202610:33 AM ETBen Robert JOfficer21.5K$402.7KJul 28, 2026Fidelity Brokerage Service LLCSEC
Jul 28, 20269:41 AM ETDiddell WendyOfficer23.9K$454.1KJul 28, 2026Fidelity Brokerage Services LLCSEC
Jul 23, 20263:03 PM ETRuppert Jens FOfficer38.2K$648.8KJul 28, 2026Muriel SIebert & Co., LLC.SEC
May 18, 202612:00 PM ETMcNally KathleenOfficer6.64K$121.6KMay 18, 2026Fidelity Brokerage Services LLCSEC
May 5, 202611:44 AM ETHalverson KennethDirector10.0K$144.1KMay 5, 2026Fidelity Brokerage Services LLCSEC
Feb 19, 20263:18 PM ETBen Robert JOfficer4.00K$55.6KFeb 20, 2026Fidelity Brokerage Services LLCSEC
Feb 12, 20261:00 PM ETHalverson KennethDirector10.0K$135.9KFeb 10, 2026Fidelity Brokerage Services LLCSEC
Feb 4, 202611:13 AM ETBen Robert JOfficer5.00K$58.0KFeb 4, 2026Fidelity Brokerage Services LLCSEC
Jan 27, 20261:02 PM ETRuppert Jens FOfficer17.0K$203.8KJan 27, 2026Muriel SIebert & Co., LLC.SEC
Oct 16, 20253:13 PM ETHalverson KennethDirector4.20K$49.6KOct 16, 2025Fidelity Brokerage Services LLCSEC
Oct 14, 20252:03 PM ETBen Robert JOfficer9.50K$115.1KOct 14, 2025FIDELITY BROKERAGE SERVICES LLCSEC
Aug 1, 20258:18 AM ETMcNally KathleenOfficer10.3K$106.6KAug 1, 2025Fidelity Brokerage Services LLCSEC

Showing the latest 25. See the RELL notices from the last 12 months