Who owns Clearfield, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CLFD from SEC Form 13F filings across 125 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 125 institutions disclosed 8.7M shares of Clearfield, Inc. worth $347.6M — about 64.3% of shares outstanding; the largest disclosed holder is AIGH Capital Management LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
125
13F holders
$347.6M
value, 2026 filers
64.3%
of shares outstanding (8.7M sh)
22
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CLFD's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | AIGH Capital Management LLCNEW | 1.0M | $40.1M | 2.5% | 7.4% | new |
| 2 | BlackRock, Inc. | 957,424 | $38.1M | 0.0% | 7% | +6.6% |
| 3 | ACK Asset Management LLC | 810,200 | $32.2M | 3.8% | 6% | +10.2% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 481,816 | $19.2M | 0.0% | 3.5% | -5.5% |
| 5 | MAIRS & POWER INC | 385,257 | $15.3M | 0.1% | 2.8% | -47.4% |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 371,245 | $14.8M | 0.0% | 2.7% | +4.4% |
| 7 | STATE STREET CORP | 363,209 | $14.5M | 0.0% | 2.7% | +12.7% |
| 8 | DIMENSIONAL FUND ADVISORS LP | 357,104 | $14.2M | 0.0% | 2.6% | +1.0% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 302,039 | $12.0M | 0.0% | 2.2% | +5.7% |
| 10 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 277,610 | $11.0M | 0.5% | 2% | -4.1% |
| 11 | ROYAL BANK OF CANADA | 262,147 | $10.4M | 0.0% | 1.9% | -7.2% |
| 12 | ROYCE & ASSOCIATES LP | 256,990 | $10.2M | 0.1% | 1.9% | 0.0% |
| 13 | D. E. Shaw & Co., Inc. | 227,722 | $9.1M | 0.0% | 1.7% | +61.5% |
| 14 | ACADIAN ASSET MANAGEMENT LLC | 173,069 | $6.9M | 0.0% | 1.3% | +6.9% |
| 15 | JPMORGAN CHASE & CO | 164,458 | $6.4M | 0.0% | 1.2% | -28.9% |
| 16 | Dana Investment Advisors, Inc. | 161,550 | $6.4M | 0.2% | 1.2% | -9.9% |
| 17 | MILLENNIUM MANAGEMENT LLC | 142,431 | $5.7M | 0.0% | 1% | +197.1% |
| 18 | GOLDMAN SACHS GROUP INC | 139,129 | $5.5M | 0.0% | 1% | +83.8% |
| 19 | CITADEL ADVISORS LLC | 131,916 | $5.2M | 0.0% | 1% | -47.8% |
| 20 | Divisadero Street Capital Management, LPNEW | 130,783 | $5.2M | 0.1% | 1% | new |
| 21 | NORTHERN TRUST CORP | 125,744 | $5.0M | 0.0% | 0.9% | +3.1% |
| 22 | MARSHALL WACE, LLP | 112,403 | $4.5M | 0.0% | 0.8% | -20.7% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 99,389 | $4.0M | 0.0% | 0.7% | +6.1% |
| 24 | LAZARD ASSET MANAGEMENT LLCNEW | 82,680 | $3.3M | 0.0% | 0.6% | new |
| 25 | BANK OF AMERICA CORP /DE/ | 79,275 | $3.2M | 0.0% | 0.6% | -31.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.