Latest Period
Q1 2026
Security Snapshot
Clearfield, Inc. - Common Stock (CLFD) Institutional Ownership
CUSIP: 18482P103
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
124
Shares (Excl. Options)
8,217,279
Price
$26.47
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- Security type / class
- Equity / Common Stock
- Symbol
- CLFD on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 8,217,279
- Total 13F value
- $217,602,920
- Portfolio coverage rank
- 0%
- Share change
- -311,064
- Value change
- -$10,157,190
- Number of holders
- 124
- Shares outstanding
- 13,925,490
- SEC-reported price per share
- $45.15
- Insider filing price
- $45.15
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CLFD - Clearfield, Inc. - Common Stock is tracked under CUSIP 18482P103.
- 124 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 125 to 124 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $248,801,073 to $217,602,920.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 124 institutions filings for Q1 2026.
Security key
18482P103
Latest holder period
Q1 2026
13F holders
124
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
CLFD full holder history
Clearfield, Inc. SEC filings
Clearfield, Inc. company facts
Clearfield, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 18482P103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
CLFD
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ROTH RONALD G | 10% | +3% | $45,355,148 | +$388,378 | 1,456,024 | +0.86% | Ronald G. Roth | 31 Dec 2025 |
| MAIRS & POWER INC | 6% | $24,834,711 | 852,255 | Mairs and Power, Inc. | 31 Mar 2025 | |||
| ACK Asset Management LLC | 5.1% | +4% | $18,798,994 | +$608,810 | 710,200 | +3.3% | ACK Asset Management LLC | 20 Feb 2026 |
As of 31 Mar 2026, 124 institutional investors reported holding 8,217,279 shares of Clearfield, Inc. - Common Stock (CLFD). This represents 59% of the company’s total 13,925,490 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
50%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.4% | 897,868 | -3.1% | 0% | $23,766,566 |
| ACK Asset Management LLC | 5.3% | 735,200 | +18% | 2.4% | $19,460,744 |
| MAIRS & POWER INC | 5.3% | 731,733 | +0.21% | 0.2% | $19,368,973 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 509,836 | 0% | 0% | $13,495,359 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.6% | 355,753 | 0% | 0% | $9,416,782 |
| DIMENSIONAL FUND ADVISORS LP | 2.5% | 353,486 | +12% | 0% | $9,357,399 |
| STATE STREET CORP | 2.3% | 322,245 | +14% | 0% | $8,529,825 |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | 2.1% | 289,610 | +4.1% | 0.44% | $7,665,977 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 285,841 | +2.5% | 0% | $7,568,271 |
| ROYAL BANK OF CANADA | 2% | 282,342 | +21% | 0% | $7,474,000 |
| ROYCE & ASSOCIATES LP | 1.8% | 256,990 | -32% | 0.07% | $6,802,525 |
| CITADEL ADVISORS LLC | 1.8% | 252,936 | +310% | 0% | $6,695,216 |
| JPMORGAN CHASE & CO | 1.7% | 231,189 | -6.9% | 0% | $6,161,187 |
| Dana Investment Advisors, Inc. | 1.3% | 179,362 | +38% | 0.14% | $4,747,712 |
| ACADIAN ASSET MANAGEMENT LLC | 1.2% | 161,935 | +57% | 0.01% | $4,285,000 |
| MARSHALL WACE, LLP | 1% | 141,659 | -7.2% | 0% | $3,749,715 |
| D. E. Shaw & Co., Inc. | 1% | 140,972 | +4.1% | 0% | $3,731,529 |
| RENAISSANCE TECHNOLOGIES LLC | 0.98% | 136,700 | +34% | 0.01% | $3,618,449 |
| NORTHERN TRUST CORP | 0.88% | 121,950 | +2.7% | 0% | $3,228,017 |
| BANK OF AMERICA CORP /DE/ | 0.83% | 115,156 | +11% | 0% | $3,048,179 |
| Ancora Advisors LLC | 0.8% | 112,037 | -22% | 0.06% | $2,965,619 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.67% | 93,717 | -3.2% | 0% | $2,480,689 |
| Trexquant Investment LP | 0.65% | 90,956 | -15% | 0.02% | $2,407,605 |
| TUDOR INVESTMENT CORP ET AL | 0.6% | 83,421 | +3.6% | 0.01% | $2,208,154 |
| GOLDMAN SACHS GROUP INC | 0.54% | 75,680 | +11% | 0% | $2,003,249 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 8,217,279 | $217,602,920 | -$10,157,190 | $26.47 | 124 |
| 2025 Q4 | 8,531,628 | $248,801,073 | -$7,582,609 | $29.15 | 125 |
| 2025 Q3 | 8,764,689 | $301,375,591 | +$13,364,031 | $34.38 | 128 |
| 2025 Q2 | 8,320,785 | $361,263,729 | +$4,080,365 | $43.41 | 125 |
| 2025 Q1 | 8,378,565 | $249,014,816 | -$5,807,463 | $29.72 | 126 |
| 2024 Q4 | 8,537,145 | $264,660,807 | -$23,438,154 | $31.00 | 141 |
| 2024 Q3 | 8,971,342 | $349,452,502 | -$10,400,618 | $38.96 | 132 |
| 2024 Q2 | 9,225,783 | $355,845,688 | -$3,958,943 | $38.56 | 130 |
| 2024 Q1 | 9,461,480 | $291,636,298 | -$13,495,648 | $30.84 | 136 |
| 2023 Q4 | 10,110,718 | $293,678,553 | -$2,469,266 | $29.08 | 137 |
| 2023 Q3 | 9,983,870 | $285,962,423 | -$25,703,198 | $28.66 | 135 |
| 2023 Q2 | 10,365,479 | $490,478,445 | +$52,276,390 | $47.35 | 147 |
| 2023 Q1 | 9,293,347 | $432,731,521 | -$106,439,390 | $46.58 | 171 |
| 2022 Q4 | 9,580,106 | $901,529,331 | +$112,538,196 | $94.14 | 217 |
| 2022 Q3 | 8,346,930 | $873,652,448 | +$185,358,390 | $104.64 | 184 |
| 2022 Q2 | 6,619,130 | $410,046,420 | +$28,726,103 | $61.95 | 132 |
| 2022 Q1 | 6,200,332 | $404,307,904 | +$24,560,630 | $65.22 | 129 |
| 2021 Q4 | 5,727,241 | $483,431,462 | +$12,469,233 | $84.42 | 126 |
| 2021 Q3 | 5,650,321 | $249,475,465 | +$12,503,406 | $44.15 | 103 |
| 2021 Q2 | 5,361,535 | $200,796,135 | +$17,830,066 | $37.45 | 96 |
| 2021 Q1 | 4,917,058 | $148,148,811 | -$1,216,515 | $30.13 | 86 |
| 2020 Q4 | 4,972,434 | $122,915,273 | +$8,809,616 | $24.72 | 66 |
| 2020 Q3 | 4,622,869 | $93,245,630 | +$8,978,352 | $20.17 | 56 |
| 2020 Q2 | 4,236,563 | $59,137,159 | +$2,382,804 | $13.96 | 50 |
| 2020 Q1 | 4,082,816 | $48,381,214 | -$231,957 | $11.85 | 48 |