Tennant Company (TNC) ownership: Top institutional holder: BlackRock, Inc. ($181.00M). Insider activity: Net Seller (4 buys, 16 sells). 2 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 2725952.00 | $181.00M | 2026-03-31 |
| VANGUARD GROUP INC | 2150347.00 | $158.48M | 2025-12-31 |
| BlackRock Fund Advisors | 1362035.00 | $96.98M | 2016-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1189027.00 | $78.95M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 816615.00 | $54.22M | 2026-03-31 |
| MAIRS & POWER INC | 803464.00 | $53.35M | 2026-03-31 |
| GAMCO INVESTORS, INC. ET AL | 706400.00 | $46.90M | 2026-03-31 |
| STATE STREET CORP | 699399.00 | $46.44M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 | |
| Sell | null | 2026-05-07 |
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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.