CPS Technologies Corporation (CPSH) ownership: Top institutional holder: VANGUARD CAPITAL MANAGEMENT LLC ($2.15M). Insider activity: Net Seller (1 buys, 19 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 575267.00 | $2.15M | 2026-03-31 |
| VANGUARD GROUP INC | 617020.00 | $1.91M | 2025-12-31 |
| Round Rock Advisors LLC | 435522.00 | $1.63M | 2026-03-31 |
| Polar Asset Management Partners Inc. | 330900.00 | $1.02M | 2025-12-31 |
| RENAISSANCE TECHNOLOGIES LLC | 248958.00 | $931103.00 | 2026-03-31 |
| MYDA Advisors LLC | 237215.00 | $887184.00 | 2026-03-31 |
| CIBC Bancorp USA Inc. | 211024.00 | $789230.00 | 2026-03-31 |
| PERKINS CAPITAL MANAGEMENT INC | 200585.00 | $750187.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 | |
| Sell | null | 2026-05-21 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.