Clearfield, Inc. (CLFD) Ownership
CLFD ownership summary
as of October 18, 2026- Institutions
- 65.9% of shares outstanding
- Insiders
- 18.17% of shares outstanding
- Shares outstanding
- 13.6M
- Float
- 9.3M shares available to trade
- Short interest
- 11.72% 1.3M shares short
- Days to cover
- 9.58 short interest down 5.0% vs prior month
- Institutions 65.85%
- Insiders 18.17%
- Other investors 15.98%
CLFD top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | AIGH Capital Management, LLC | 7.42% | 1.0M | $29.7M | +1.0M (0.0%) | June 30, 2026 |
| 2 | BlackRock Inc | 7.05% | 957K | $28.2M | +59,556 (+6.6%) | June 30, 2026 |
| 3 | ACK Asset Management LLC | 5.96% | 810K | $23.9M | +75,000 (+10.2%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 3.55% | 482K | $14.2M | −28,020 (−5.5%) | June 30, 2026 |
| 5 | Mairs & Power Inc | 2.84% | 385K | $11.4M | −346,476 (−47.4%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 2.73% | 371K | $10.9M | +15,492 (+4.4%) | June 30, 2026 |
| 7 | State Street Corp | 2.67% | 363K | $10.7M | +40,964 (+12.7%) | June 30, 2026 |
| 8 | Dimensional Fund Advisors, Inc. | 2.63% | 357K | $10.5M | +3,618 (+1.0%) | June 30, 2026 |
| 9 | Geode Capital Management, LLC | 2.22% | 302K | $8.9M | +16,198 (+5.7%) | June 30, 2026 |
| 10 | Punch & Associates Inv Mgmt Inc | 2.04% | 278K | $8.2M | −12,000 (−4.1%) | June 30, 2026 |
| 11 | Royal Bank of Canada | 1.93% | 262K | $7.7M | −20,203 (−7.2%) | June 30, 2026 |
| 12 | Royce & Associates, LP | 1.89% | 257K | $7.6M | — | June 30, 2026 |
| 13 | D. E. Shaw & Co LP | 1.68% | 228K | $6.7M | +86,750 (+61.5%) | June 30, 2026 |
| 14 | Acadian Asset Management LLC | 1.27% | 173K | $5.1M | +11,134 (+6.9%) | June 30, 2026 |
| 15 | JPMorgan Chase & Co | 1.21% | 164K | $4.8M | −66,731 (−28.9%) | June 30, 2026 |
| 16 | Dana Investment Advisors Inc | 1.19% | 162K | $4.8M | −17,812 (−9.9%) | June 30, 2026 |
| 17 | Millennium Management LLC | 1.05% | 142K | $4.2M | +94,498 (+197.1%) | June 30, 2026 |
| 18 | The Goldman Sachs Group Inc | 1.02% | 139K | $4.1M | +63,449 (+83.8%) | June 30, 2026 |
| 19 | Citadel Advisors Llc | 0.97% | 132K | $3.9M | −121,020 (−47.8%) | June 30, 2026 |
| 20 | Divisadero Street Capital Management, LP | 0.96% | 131K | $3.9M | +130,783 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 1.6M shares and 7 cut 612K.
CLFD top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.52% | 342K | $10.1M | — | August 31, 2026 |
| 2 | Vanguard Information Technology ETF | 2.17% | 295K | $8.7M | −874 (−0.3%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.00% | 271K | $8.0M | −3,136 (−1.1%) | September 30, 2026 |
| 4 | Mairs & Power Fund | 1.45% | 197K | $5.8M | −230,000 (−53.8%) | June 30, 2026 |
| 5 | Mairs & Power Small Cap | 1.21% | 164K | $4.8M | −55,573 (−25.3%) | June 30, 2026 |
| 6 | Royce Micro-Cap Trust | 1.18% | 160K | $4.7M | — | June 30, 2026 |
| 7 | State Street® SPDR® S&P® Telecom ETF | 1.04% | 142K | $4.2M | +1,352 (+1.0%) | September 30, 2026 |
| 8 | Fidelity Small Cap Index | 0.92% | 126K | $3.7M | +645 (+0.5%) | July 31, 2026 |
| 9 | T. Rowe Price Small-Cap Value | 0.80% | 108K | $3.2M | +108,383 (0.0%) | August 31, 2026 |
| 10 | iShares Russell 2000 Value ETF | 0.72% | 97K | $2.9M | +148 (+0.2%) | September 30, 2026 |
| 11 | iShares U.S. Digital Infras & RE ETF | 0.63% | 85K | $2.5M | — | September 30, 2026 |
| 12 | Lazard Baylight US Sm Cap Eq WW Dist EUR | 0.55% | 75K | $2.2M | +32,068 (+75.0%) | June 30, 2026 |
| 13 | Royce Micro-Cap Invmt | 0.54% | 73K | $2.2M | — | June 30, 2026 |
| 14 | Vanguard Russell 2000 ETF | 0.49% | 66K | $1.9M | +1,320 (+2.0%) | August 31, 2026 |
| 15 | DFA US Small Cap Value I | 0.48% | 65K | $1.9M | +16,612 (+34.4%) | August 31, 2026 |
| 16 | Schwab US Small-Cap ETF™ | 0.45% | 61K | $1.8M | +36 (+0.1%) | September 30, 2026 |
| 17 | DFA US Small Cap I | 0.44% | 60K | $1.8M | — | August 31, 2026 |
| 18 | Fidelity Extended Market Index | 0.42% | 58K | $1.7M | +2,046 (+3.7%) | August 31, 2026 |
| 19 | JPMorgan US Small Company L | 0.35% | 47K | $1.4M | +1,225 (+2.7%) | August 31, 2026 |
| 20 | Dimensional US Small Cap Value ETF | 0.34% | 46K | $1.3M | — | September 24, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CLFD insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-19 | Donald R Hayward | Sell | $32.00 | 3,595 | $115,040 |
| 2025-12-15 | Ronald G Roth | Buy | $30.06 | 10,000 | $300,600 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CLFD shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CLFD
Institutional investors own 65.9% of Clearfield's shares and insiders 18.17%. The largest holder is AIGH Capital Management, LLC with 7.42% of the shares (1.0M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 11.72% of the float, or 9.58 days of average trading volume. The share count rose 2.1% since 2014.
Related: CLFD analyst forecast, CLFD key metrics. See the CLFD stock overview for the latest quote and news.
CLFD ownership FAQ
Who owns the most Clearfield stock?
The largest shareholders of Clearfield are AIGH Capital Management, LLC (7.42%), BlackRock Inc (7.05%), ACK Asset Management LLC (5.96%), Vanguard Capital Management, LLC (3.55%), Mairs & Power Inc (2.84%).
What percentage of Clearfield is owned by institutions?
Institutions hold 65.9% of Clearfield's shares outstanding; insiders hold 18.17%.
Which funds own Clearfield?
The largest fund holders of Clearfield are Vanguard MStar Total Stk Mkt Idx Invest (2.52%), Vanguard Information Technology ETF (2.17%), iShares Russell 2000 ETF (2.00%), Mairs & Power Fund (1.45%), Mairs & Power Small Cap (1.21%).
What is Clearfield's short interest?
1.3M shares of Clearfield were sold short, 11.72% of the float; at the average daily volume it would take 9.58 days to cover.
Are insiders buying or selling Clearfield?
Of the latest 2 reported insider transactions in Clearfield (since December 15, 2025), 1 were purchases and 1 were sales.
How many shares of Clearfield are outstanding?
Clearfield has 13.6M shares outstanding, of which 9.3M are in the public float.