Clearfield Inc
Ownership
Ownership Structure
Who owns Clearfield Inc (CLFD)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 68.1% of the shares are freely tradable; institutional investors hold 61.2%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| AIGH Capital Management, LLC | 7.42 | 1,008,469 | +0.0 | 06/30/2026 |
| BlackRock Inc | 6.61 | 897,868 | -3.1 | 03/31/2026 |
| ACK Asset Management LLC | 5.96 | 810,200 | +10.2 | 06/30/2026 |
| Mairs & Power Inc | 5.39 | 731,733 | +0.2 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.75 | 509,836 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 2.63 | 357,104 | +1.0 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 2.62 | 355,753 | +0.0 | 03/31/2026 |
| State Street Corp | 2.37 | 322,245 | +14.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.52 | 342,425 | +0.0 | 07/31/2026 |
| Vanguard Information Technology ETF | 2.18 | 295,501 | +0.4 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.