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Who owns Clearfield (CLFD) stock

118 funds reported Clearfield (CLFD) shares in their latest 13F filings, worth $362M in all. The largest holder is BlackRock ($38.1M). Last quarter 47 funds added to their stakes and 57 cut them.

Largest holders of CLFD (13F)Largest holders of CLFD (13F)BlackRock$38.1MAigh Capital Management LLC$37.9MACK Asset Management LLC$32.2MVanguard Group$27.6MVanguard Capital Management LLC$19.2MMairs & Power$15.3MVanguard Portfolio Management LLC$14.8MState Street$14.5MDimensional Fund Advisors LP$14.2MGeode Capital Management, LLC$12.0M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock957,424$38.1Mincrease2026-06-30
Aigh Capital Management LLC1,217,196$37.9Mincrease2026-09-30
ACK Asset Management LLC810,200$32.2Mincrease2026-06-30
Vanguard Group947,982$27.6Mincrease2025-12-31
Vanguard Capital Management LLC481,816$19.2Mdecrease2026-06-30
Mairs & Power385,257$15.3Mdecrease2026-06-30
Vanguard Portfolio Management LLC371,245$14.8Mincrease2026-06-30
State Street363,209$14.5Mincrease2026-06-30
Dimensional Fund Advisors LP357,104$14.2Mincrease2026-06-30
Geode Capital Management, LLC302,039$12.0Mincrease2026-06-30
Punch & Associates Investment Management277,610$11.0Mdecrease2026-06-30
Royal Bank of Canada262,147$10.4Mdecrease2026-06-30
Royce & Associates LP256,990$10.2Munchanged2026-06-30
D. E. Shaw227,722$9.1Mincrease2026-06-30
Acadian Asset Management LLC173,069$6.9Mincrease2026-06-30

Clearfield's latest quarter

Clearfield, Q3 FY26: revenue $43.9M (+13% year over year), operating margin 5.9%, net earnings $3.0M, operating cash flow $9.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CLFD stock?

By the latest 13F filings: BlackRock ($38.1M); Aigh Capital Management LLC ($37.9M); ACK Asset Management LLC ($32.2M); Vanguard Group ($27.6M); Vanguard Capital Management LLC ($19.2M).

What is the short interest in CLFD?

1,305,996 shares were sold short at the 2026-10-15 settlement, 0.09% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.