Security key
18482P103
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 8,764,689
- Total 13F value
- $301,375,591
- Share change
- +415,060
- Put/Call ratio
- 0%
- SEC-reported price per share
- $34.38
- Number of holders
- 128
- Value change
- +$13,364,031
- Number of buys
- 63
- Number of sells
- 59
- Shares outstanding
- 13,925,490
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
128
Top holders
10
CLFD full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Clearfield, Inc. SEC filings
Clearfield, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 18482P103
Recent filing periods:
Ownership snapshot
Top reported holders of CLFD - Clearfield, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
MAIRS & POWER INC
Disclosed value leader
BlackRock, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2025
13F
13D/G
Lead comparable stake: 6%
13D/G row: MAIRS & POWER INC
Showing 1-6 of 15 holder rows.
Quick read
MAIRS & POWER INC leads the comparable SEC ownership view at 6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens MAIRS & POWER INC's linked filing trail.
Comparable ownership
Top 5
MAIRS & POWER INC
6%
BlackRock, Inc.
6.9%
VANGUARD GROUP INC
6.7%
ACK Asset Management LLC
4.5%
ROYCE & ASSOCIATES LP
3.4%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| MAIRS & POWER INC |
13F
13D/G
Company · Mairs and Power, Inc.
|
6%
from 13D/G
|
$33,088,578
762,234 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
6.9%
|
$41,920,430
965,686 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
6.7%
|
$40,625,900
935,865 shares
|
— | 30 Jun 2025 |
| ACK Asset Management LLC |
13F
Company
|
4.5%
|
$27,139,932
625,200 shares
|
— | 30 Jun 2025 |
| ROYCE & ASSOCIATES LP |
13F
Company
|
3.4%
|
$20,321,914
468,139 shares
|
— | 30 Jun 2025 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2.4%
|
$14,652,238
337,545 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
128
Shares
8,764,689
Rows available
128
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
125
Q3 2025 holders
128
Holder diff
3
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend