Sono-Tek Corporation (SOTK) ownership: Top institutional holder: VANGUARD GROUP INC ($1.78M). Insider activity: Net Seller (0 buys, 7 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 430795.00 | $1.78M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 361255.00 | $1.47M | 2026-03-31 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 160202.00 | $650420.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 136007.00 | $552322.00 | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 89100.00 | $361746.00 | 2026-03-31 |
| M&T Bank Corp | 80000.00 | $324800.00 | 2026-03-31 |
| VANGUARD FIDUCIARY TRUST CO | 66804.00 | $271224.00 | 2026-03-31 |
| STIFEL FINANCIAL CORP | 60000.00 | $243600.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-05-01 | |
| Sell | null | 2026-03-05 | |
| Sell | null | 2026-03-05 |
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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.