SEC ownership of RICHARDSON ELECTRONICS, LTD.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000355948.
- CIK
- 0000355948
- Symbol
- RELL on Nasdaq
- Location
- Lafox, IL
- Parsed ownership evidence
- 13F, 13D/G, and 3/4/5
- Lead holder
- ROYCE & ASSOCIATES LP
- 13D/G signal
- ROYCE & ASSOCIATES LP
- Latest evidence date
- 05 May 2026
Ownership snapshot
Top shareholders of RICHARDSON ELECTRONICS, LTD. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
Lead holder
ROYCE & ASSOCIATES LP
13D/G signal
ROYCE & ASSOCIATES LP
Evidence rows
50
Latest as of
05 May 2026
13F
13D/G
3/4/5
Lead comparable stake: 11%
13D/G row: ROYCE & ASSOCIATES LP
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ROYCE & ASSOCIATES LP |
13F
13D/G
Company
|
11%
from 13D/G
|
$15,581,171
1,422,938 shares
|
— | 31 Mar 2026 |
| DDD Partners, LLC |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$12,407,357
1,133,092 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
6.2%
|
$8,429,171
774,740 shares
|
$0 | 31 Dec 2025 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC |
13D/G
13F
Company
|
5.4%
|
$9,253,412
671,998 shares
|
$0 | 31 Mar 2026 |
| Robert H. Kluge |
3/4/5
Director
|
0.39%
|
$466,596
48,345 shares
|
— | 21 Jul 2025 |
| James Benham |
3/4/5
Director
|
0.16%
|
$186,706
19,345 shares
|
— | 21 Jul 2025 |
| Jacques Belin |
3/4/5
Director
|
0.16%
|
$148,182
19,345 shares
|
— | 13 Jan 2026 |
| Paul J. Plante |
3/4/5
Director
|
0.15%
|
$175,346
18,168 shares
|
— | 21 Jul 2025 |
| Kenneth Halverson |
3/4/5
Director
|
0.12%
|
$210,788
14,345 shares
|
-$325,394 | 05 May 2026 |
| BlackRock, Inc. |
13F
Company
|
7.1%
|
$9,612,041
877,812 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
Company
|
4.1%
|
$5,562,053
507,950 shares
|
— | 31 Mar 2026 |
| RENAISSANCE TECHNOLOGIES LLC |
13F
Company
|
2.8%
|
$3,761,073
343,477 shares
|
— | 31 Mar 2026 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.4%
|
$3,237,716
295,603 shares
|
— | 31 Mar 2026 |
| STATE STREET CORP |
13F
Company
|
1.9%
|
$2,598,139
237,273 shares
|
— | 31 Mar 2026 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
1.8%
|
$2,430,000
222,288 shares
|
— | 31 Mar 2026 |
| CITADEL ADVISORS LLC |
13F
Company
|
1.6%
|
$2,191,665
200,152 shares
|
— | 31 Mar 2026 |
| MORGAN STANLEY |
13F
Company
|
1.5%
|
$1,988,147
181,565 shares
|
— | 31 Mar 2026 |
| PARTHENON LLC |
13F
Company
|
1.1%
|
$1,470,760
134,316 shares
|
— | 31 Mar 2026 |
| JANE STREET GROUP, LLC |
13F
Company
|
0.93%
|
$1,261,013
115,161 shares
|
— | 31 Mar 2026 |
| Annis Gardner Whiting Capital Advisors, LLC |
13F
Company
|
0.8%
|
$1,095,000
100,000 shares
|
— | 31 Mar 2026 |
| Mork Capital Management, LLC |
13F
Company
|
0.8%
|
$1,095,000
100,000 shares
|
— | 31 Mar 2026 |
| Aldebaran Capital, LLC |
13F
Company
|
0.76%
|
$1,028,961
93,969 shares
|
— | 31 Mar 2026 |
| Bank of New York Mellon Corp |
13F
Company
|
0.74%
|
$1,012,064
92,426 shares
|
— | 31 Mar 2026 |
| NORTHERN TRUST CORP |
13F
Company
|
0.74%
|
$1,009,240
92,168 shares
|
— | 31 Mar 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC |
13F
Company
|
0.68%
|
$929,916
84,924 shares
|
— | 31 Mar 2026 |
| VANGUARD FIDUCIARY TRUST CO |
13F
Company
|
0.62%
|
$851,461
77,759 shares
|
— | 31 Mar 2026 |
| Trexquant Investment LP |
13F
Company
|
0.6%
|
$812,052
74,160 shares
|
— | 31 Mar 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
0.56%
|
$762,361
69,622 shares
|
— | 31 Mar 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
Company
|
0.54%
|
$735,917
67,207 shares
|
— | 31 Mar 2026 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.54%
|
$733,671
67,002 shares
|
— | 31 Mar 2026 |
| LAZARD ASSET MANAGEMENT LLC |
13F
Company
|
0.51%
|
$696,573
63,614 shares
|
— | 31 Mar 2026 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
0.46%
|
$628,399
57,388 shares
|
— | 31 Mar 2026 |
| MARSHALL WACE, LLP |
13F
Company
|
0.41%
|
$553,369
50,536 shares
|
— | 31 Mar 2026 |
| ARS Investment Partners, LLC |
13F
Company
|
0.36%
|
$494,535
45,163 shares
|
— | 31 Mar 2026 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P |
13F
Company
|
0.31%
|
$421,575
38,500 shares
|
— | 31 Mar 2026 |
| GSA CAPITAL PARTNERS LLP |
13F
Company
|
0.28%
|
$378,000
34,505 shares
|
— | 31 Mar 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
0.26%
|
$348,079
31,788 shares
|
— | 31 Mar 2026 |
| STRS OHIO |
13F
Company
|
0.25%
|
$342,735
31,300 shares
|
— | 31 Mar 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
Company
|
0.2%
|
$277,812
25,371 shares
|
— | 31 Mar 2026 |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
Company
|
0.2%
|
$276,115
25,216 shares
|
— | 31 Mar 2026 |
| Aristides Capital LLC |
13F
Company
|
0.19%
|
$261,541
23,885 shares
|
— | 31 Mar 2026 |
| HRT FINANCIAL LP |
13F
Company
|
0.19%
|
$256,000
23,422 shares
|
— | 31 Mar 2026 |
| RITHOLTZ WEALTH MANAGEMENT |
13F
Company
|
0.18%
|
$251,391
22,958 shares
|
— | 31 Mar 2026 |
| Empowered Funds, LLC |
13F
Company
|
0.17%
|
$225,526
20,596 shares
|
— | 31 Mar 2026 |
| Invesco Ltd. |
13F
Company
|
0.15%
|
$208,564
19,047 shares
|
— | 31 Mar 2026 |
| SIMPLEX TRADING, LLC |
13F
Company
|
0.14%
|
$196,826
17,975 shares
|
— | 31 Mar 2026 |
| Kovack Advisors, Inc. |
13F
Company
|
0.14%
|
$198,671
17,850 shares
|
— | 31 Mar 2026 |
| Nuveen, LLC |
13F
Company
|
0.14%
|
$185,822
16,970 shares
|
— | 31 Mar 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC |
13F
Company
|
0.13%
|
$176,207
16,092 shares
|
— | 31 Mar 2026 |
| JPMORGAN CHASE & CO |
13F
Company
|
0.12%
|
$166,057
15,476 shares
|
— | 31 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$947,144.
Buys
$0
Insiders: 0
Sells
$947,144
Insiders: 4
Net
-$947,144
Shares: -74,753
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 74,753
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 16,636 | $0 | $258,776 | -$258,776 |
| 3-6 | 0 | 36,000 | $0 | $447,781 | -$447,781 |
| 6-9 | 0 | 13,700 | $0 | $156,352 | -$156,352 |
| 9-12 | 0 | 8,417 | $0 | $84,235 | -$84,235 |
RICHARDSON ELECTRONICS, LTD. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Edward J. Richardson | Chairman & CEO, Director, 10%+ Owner | $15,660,576 | Mixed | 18 Nov 2025 | ||
| Wendy Diddell | COO, Director | $1,375,710 | Mixed | 02 Feb 2026 | ||
| Kathleen McNally | EVP Global Supply Chain | $770,484 | -$196,069 | -20% | Filing P/S | 20 May 2026 |
| Robert J. Ben | CFO, CAO, Corporate Secretary | $688,752 | -$220,201 | -24% | Filing P/S | 19 Feb 2026 |
| Jens Frank Ruppert | EVP Canvys | $473,605 | -$205,480 | -30% | Filing P/S | 27 Jan 2026 |
| Robert H. Kluge | Director | $466,596 | Mixed | 21 Jul 2025 | ||
| Kenneth Halverson | Director | $210,788 | -$325,394 | -61% | Filing P/S | 05 May 2026 |
| James Benham | Director | $186,706 | Mixed | 21 Jul 2025 | ||
| Paul J. Plante | Director | $175,346 | Mixed | 21 Jul 2025 | ||
| Jacques Belin | Director | $148,182 | Mixed | 13 Jan 2026 | ||
| Gregory J. Peloquin | Evp Pmt | Mixed | 21 Jul 2025 |
Recent Insider Transactions by Companies or Individuals for RICHARDSON ELECTRONICS, LTD.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Kathleen McNally | RELL | Common Stock | Sale | -12.7% | $111,834 | $16.85 | -6,636 | 45,719 | 20 May 2026 | Direct |
| Kathleen McNally | RELL | Common Stock | Options Exercise | 14.5% | 6,636 | 52,355 | 20 May 2026 | Direct | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -6,636 | 0 | 20 May 2026 | Direct | ||
| Kenneth Halverson | RELL | Common Stock | Sale | -41.1% | $146,942 | $14.69 | -10,000 | 14,345 | 05 May 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Options Exercise | 69.7% | 10,000 | 24,345 | 05 May 2026 | Direct | ||
| Kenneth Halverson | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -10,000 | 0 | 05 May 2026 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -7.01% | $51,948 | $12.99 | -4,000 | 53,034 | 19 Feb 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Sale | -41.1% | $130,850 | $13.08 | -10,000 | 14,345 | 12 Feb 2026 | Direct |
| Kenneth Halverson | RELL | Common Stock | Options Exercise | 69.7% | 10,000 | 24,345 | 12 Feb 2026 | Direct | ||
| Kenneth Halverson | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -10,000 | 0 | 12 Feb 2026 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Gift | -0.16% | -200 | 126,444 | 04 Feb 2026 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -8.06% | $59,503 | $11.90 | -5,000 | 57,034 | 04 Feb 2026 | Direct |
| Wendy Diddell | RELL | Common Stock | Gift | -0.31% | -400 | 126,644 | 02 Feb 2026 | Direct | ||
| Jens Frank Ruppert | RELL | Common Stock | Sale | -30.1% | $205,480 | $12.09 | -17,000 | 39,500 | 27 Jan 2026 | Direct |
| Jens Frank Ruppert | RELL | Common Stock | Options Exercise | 43% | 17,000 | 56,500 | 27 Jan 2026 | Direct | ||
| Jens Frank Ruppert | RELL | Employe Stock Option (Right to Buy) | Options Exercise | -100% | -17,000 | 0 | 27 Jan 2026 | Direct | ||
| Jacques Belin | RELL | Common Stock | Options Exercise | 26.1% | 4,000 | 19,345 | 13 Jan 2026 | Direct | ||
| Jacques Belin | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -4,000 | 0 | 13 Jan 2026 | Direct | ||
| Edward J. Richardson | RELL | Class B Common Stock | Gift | -0.05% | -1,000 | 1,995,657 | 19 Nov 2025 | By self as Trustee and sole Beneficiary of Edward J. Richardson Trust UA January 24, 2001 | ||
| Edward J. Richardson | RELL | Common Stock | Gift | -58.4% | -32,500 | 23,114 | 18 Nov 2025 | Direct | ||
| Edward J. Richardson | RELL | Common Stock | Conversion of derivative security | 29% | 12,500 | 55,614 | 18 Nov 2025 | Direct | ||
| Edward J. Richardson | RELL | Class B Common Stock | Conversion of derivative security | -0.62% | -12,500 | 1,996,657 | 18 Nov 2025 | By self as Trustee and sole Beneficiary of Edward J. Richardson Trust UA January 24, 2001 | ||
| Kenneth Halverson | RELL | Common Stock | Sale | -22.6% | $47,602 | $11.33 | -4,200 | 14,345 | 16 Oct 2025 | Direct |
| Wendy Diddell | RELL | Common Stock | Gift | -0.2% | -250 | 127,044 | 14 Oct 2025 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Sale | -13.3% | $108,750 | $11.45 | -9,500 | 62,034 | 14 Oct 2025 | Direct |
| Robert J. Ben | RELL | Common Stock | Options Exercise | 15.3% | 9,500 | 71,534 | 14 Oct 2025 | Direct | ||
| Robert J. Ben | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -9,500 | 0 | 14 Oct 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Gift | -0.39% | -500 | 127,294 | 13 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Common Stock | Sale | -15.6% | $84,235 | $10.01 | -8,417 | 45,719 | 12 Aug 2025 | Direct |
| Kathleen McNally | RELL | Common Stock | Options Exercise | 18.4% | 8,417 | 54,136 | 12 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Options Exercise | -100% | -8,417 | 0 | 12 Aug 2025 | Direct | ||
| Kathleen McNally | RELL | Common Stock | Tax liability | -0.97% | -450 | 45,719 | 22 Jul 2025 | Direct | ||
| Robert J. Ben | RELL | Common Stock | Tax liability | -0.8% | -500 | 62,034 | 22 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Tax liability | -2% | -2,606 | 127,794 | 22 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Common Stock | Award | 18.1% | 20,000 | 130,400 | 21 Jul 2025 | Direct | ||
| Wendy Diddell | RELL | Employee Stock Option (Right to Buy) | Award | 20,000 | 20,000 | 21 Jul 2025 | Direct | |||
| Edward J. Richardson | RELL | Common Stock | Award | 86.5% | 20,000 | 43,114 | 21 Jul 2025 | Direct | ||
| Edward J. Richardson | RELL | Employee Stock Option (Right to Buy) | Award | 20,000 | 20,000 | 21 Jul 2025 | Direct | |||
| Robert J. Ben | RELL | Common Stock | Award | 15.7% | 8,500 | 62,534 | 21 Jul 2025 | Direct | ||
| Robert J. Ben | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Kathleen McNally | RELL | Common Stock | Award | 12.2% | 5,000 | 46,169 | 21 Jul 2025 | Direct | ||
| Kathleen McNally | RELL | Employee Stock Option (Right to Buy) | Award | 7,500 | 7,500 | 21 Jul 2025 | Direct | |||
| Gregory J. Peloquin | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Jens F. Ruppert | RELL | Common Stock | Award | 5.33% | 2,000 | 39,500 | 21 Jul 2025 | Direct | ||
| Jens F. Ruppert | RELL | Employee Stock Option (Right to Buy) | Award | 10,000 | 10,000 | 21 Jul 2025 | Direct | |||
| Robert H. Kluge | RELL | Common Stock | Award | 11.9% | 5,139 | 48,345 | 21 Jul 2025 | Direct | ||
| James Benham | RELL | Common Stock | Award | 36.2% | 5,139 | 19,345 | 21 Jul 2025 | Direct | ||
| Kenneth Halverson | RELL | Common Stock | Award | 38.3% | 5,139 | 18,545 | 21 Jul 2025 | Direct | ||
| Jacques Belin | RELL | Common Stock | Award | 50.4% | 5,139 | 15,345 | 21 Jul 2025 | Direct | ||
| Paul J. Plante | RELL | Common Stock | Award | 39.4% | 5,139 | 18,168 | 21 Jul 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.