Institutional Ownership
Tennant Co
CUSIP 880345103COMTNCQ1 2026
13D / 13G Filings
29
Schedule 13D/13G on record
Beneficial Filers
10
Distinct reporting persons
Largest Stake
16.7%
Max % of class reported
Institutional Holders
209
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
29 filings · latest Mar 9, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 9, 2026 | Gamco Investors, Inc. Et Al | 13D | 3.8% | — | SEC |
| 2 | Feb 17, 2026 | Mairs And Power, Inc. | 13G/A | 5.9% | 1.07M | SEC |
| 3 | May 15, 2025 | Mairs And Power, Inc. | 13G/A | 7.6% | 1.42M | SEC |
| 4 | Apr 28, 2025 | Blackrock, Inc. | 13G/A | 15.0% | 2.82M | SEC |
| 5 | Feb 14, 2024 | Arrowmark Colorado Holdings LLC | 13G/A | — | — | SEC |
| 6 | Feb 14, 2024 | Mairs & Power Inc | 13G/A | 6.6% | 1.23M | SEC |
| 7 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 12.1% | 2.25M | SEC |
| 8 | Jan 22, 2024 | Blackrock Inc. | 13G/A | 16.7% | 3.13M | SEC |
| 9 | Feb 15, 2023 | Arrowmark Colorado Holdings LLC | 13G/A | 9.3% | 1.74M | SEC |
| 10 | Feb 14, 2023 | Mairs & Power Inc | 13G/A | 8.8% | 1.63M | SEC |
19 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Tennant Co.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 2.73M | $181.00M |
| 2 | Mairs & Power Inc | 803.5K | $53.35M |
| 3 | Gamco Investors, Inc. Et Al | 706.4K | $46.90M |
| 4 | State Street Corp | 699.4K | $46.44M |
| 5 | Fmr LLC | 688.7K | $45.73M |
| 6 | Dimensional Fund Advisors LP | 634.2K | $42.11M |
| 7 | American Century Companies Inc | 585.5K | $38.88M |
| 8 | Geode Capital Management, LLC | 464.1K | $30.82M |
| 9 | Brown Advisory Inc | 443.2K | $29.43M |
| 10 | Vision One Management Partners, LP | 391.6K | $26.00M |