Institutional Ownership
Clearfield Inc
CUSIP 18482P103COMCLFDQ1 2026
13D / 13G Filings
21
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
13.3%
Max % of class reported
Institutional Holders
120
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
21 filings · latest Feb 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 13, 2026 | Ronald G. Roth | 13G/A | 10.5% | — | SEC |
| 2 | May 15, 2025 | Mairs And Power, Inc. | 13G | 6.0% | 852.3K | SEC |
| 3 | May 13, 2025 | Ack Asset Management LLC | 13G/A | 4.9% | 687.2K | SEC |
| 4 | Feb 14, 2025 | Ack Asset Management LLC | 13G | 5.0% | 720.0K | SEC |
| 5 | Feb 12, 2025 | Roth Ronald G | 13G/A | 10.2% | — | SEC |
| 6 | Apr 9, 2024 | Franklin Mutual Advisers LLC | 13G/A | 2.1% | 305.9K | SEC |
| 7 | Feb 13, 2024 | Vanguard Group Inc | 13G/A | 6.5% | 998.1K | SEC |
| 8 | Feb 8, 2024 | Roth Ronald G | 13G/A | 9.6% | 1.43M | SEC |
| 9 | Jan 30, 2024 | Franklin Mutual Advisers LLC | 13G | 10.1% | 1.52M | SEC |
| 10 | Jan 8, 2024 | Blackrock Inc. | 13G/A | 6.9% | 1.05M | SEC |
11 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Clearfield Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 897.9K | $23.77M |
| 2 | Ack Asset Management LLC | 735.2K | $19.46M |
| 3 | Mairs & Power Inc | 731.7K | $19.37M |
| 4 | Dimensional Fund Advisors LP | 353.5K | $9.36M |
| 5 | State Street Corp | 322.2K | $8.53M |
| 6 | Punch & Associates Investment Management, Inc. | 289.6K | $7.67M |
| 7 | Geode Capital Management, LLC | 285.8K | $7.57M |
| 8 | Royal Bank Of Canada | 282.4K | $7.47M |
| 9 | Royce & Associates LP | 257.0K | $6.80M |
| 10 | Citadel Advisors LLC | 252.9K | $6.70M |