Northern Technologies International Corporation (NTIC) ownership: Top institutional holder: NEEDHAM INVESTMENT MANAGEMENT LLC ($6.30M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | 765000.00 | $6.30M | 2026-03-31 |
| VANGUARD GROUP INC | 426751.00 | $3.34M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 383816.00 | $3.16M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 333368.00 | $2.75M | 2026-03-31 |
| Meros Investment Management, LP | 206259.00 | $1.70M | 2026-03-31 |
| BALLAST ADVISORS LLC | 171047.00 | $1.41M | 2026-03-31 |
| Perritt Capital Management Inc | 169831.00 | $1.33M | 2025-12-31 |
| North Star Investment Management Corp. | 148000.00 | $1.22M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-29 | |
| Sell | null | 2026-07-29 | |
| Sell | null | 2026-07-29 | |
| Sell | null | 2026-07-29 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-01 |
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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.