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Disclosery

CLFD CLEARFIELD INC

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COMMON STOCK (common), issuer CIK 796505

129 managers (129 13F filers) reported a position in CLFD shares at 2025-09-30, 8,764,694 shares in all. 20 filers opened a position and 19 filers sold out during the quarter.

Managers
129
13F filers
129
New
20
Added
45
Reduced
40
Sold out
19
Shares held by filers
8,764,694

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.946,564$32.5M<0.01%-19,12213F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC940,004$32.3M<0.01%+4,13913F-HRTimelineGroup
MAIRS & POWER INC730,793$25.1M0.24%-31,44113F-HRTimeline
ACK Asset Management LLC625,200$21.5M2.69%013F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC479,741$16.5M0.62%+453,17313F-HRTimeline
ROYCE & ASSOCIATES LP419,799$14.4M0.14%-48,34013F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP345,833$11.9M<0.01%+8,28813F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP288,488$9.92M<0.01%+21,74213F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC283,162$9.74M<0.01%+3,08513F-HRTimelineGroup
PUNCH & ASSOCIATES INVESTMENT MANAGEMEN…262,610$9.03M0.52%+85,61013F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA224,056$7.7M<0.01%-42,38613F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO220,042$7.57M<0.01%-27,10713F-HR/ATimelineGroup
Ancora Advisors LLCin group Ancora Advisors LLC179,640$6.18M0.12%+146,69013F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP162,787$5.6M0.01%-8,13313F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…156,014$5.36M0.01%+115,62613F-HRTimelineGroup
Select Equity Group, L.P.154,271$5.3M0.02%-16,51013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.134,731$4.63M<0.01%+4,91413F-HRTimelineGroup
Dana Investment Advisors, Inc.129,828$4.46M0.13%+17,98813F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP125,719$4.32M<0.01%+18,12313F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC115,663$3.98M<0.01%-197,23913F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co95,929$3.3M<0.01%+1,53813F-HRTimelineGroup
Divisadero Street Capital Management, LPin group Divisadero Street Capital Man…94,588$3.25M0.15%+46,30813F-HRTimelineGroup
UBS Group AGin group UBS Group AG93,644$3.22M<0.01%-13,26113F-HRTimelineGroup
Trexquant Investment LP88,866$3.06M0.03%+28,84313F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC88,769$3.05M0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC85,662$2.95M<0.01%-3,83713F-HR/ATimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC73,796$2.54M<0.01%+24,76513F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY72,327$2.49M<0.01%-24,44613F-HR/ATimelineGroup
RENAISSANCE TECHNOLOGIES LLC63,574$2.19M<0.01%+12,37413F-HRTimeline
TUDOR INVESTMENT CORP ET AL61,428$2.11M0.01%+3,48913F-HR/ATimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…53,686$1.9M<0.01%+4013F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …49,819$1.71M<0.01%+44,42813F-HRTimelineGroup
Drum Hill Capital, LLC49,199$1.69M1.83%+3313F-HRTimeline
Wealth Group Ltd47,000$1.62M0.37%013F-HRTimeline
RICE HALL JAMES & ASSOCIATES, LLC39,809$1.37M0.07%-18,69713F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC38,196$1.31M<0.01%+19,44013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp37,144$1.28M<0.01%+1,03713F-HRTimelineGroup
Man Group plcin group Man Group plc30,656$1.05M<0.01%+19,93313F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC29,246$1.01M<0.01%+2,36213F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC28,046$964K<0.01%-6,01613F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.27,159$934K<0.01%+1,13713F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/25,593$880K<0.01%-27,28213F-HR/ATimelineGroup
G2 Investment Partners Management LLC25,000$860K0.18%-205,86913F-HRTimeline
Nuveen, LLCin group TIAA23,438$806K<0.01%013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC23,252$799K<0.01%new13F-HRTimelineGroup
Atom Investors LP22,644$779K0.06%new13F-HRTimeline
EntryPoint Capital, LLC22,049$758K0.29%new13F-HRTimeline
Sequoia Financial Advisors, LLC21,049$724K<0.01%-1,57713F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC20,882$718K<0.01%+10,78913F-HRTimelineGroup
RHUMBLINE ADVISERS19,080$656K<0.01%-1,02313F-HRTimeline
AMH Equity Ltd18,600$639K0.8%new13F-HRTimeline
Skylands Capital, LLC17,882$615K0.08%new13F-HRTimeline
Nierenberg Investment Management Compan…16,510$568K0.31%-18,00013F-HRTimeline
ALLIANCEBERNSTEIN L.P.15,654$538K<0.01%-813F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS14,027$482K<0.01%+83413F-HRTimelineGroup
Dorsey & Whitney Trust CO LLC13,865$477K0.03%+1,97013F-HRTimeline
High Note Wealth, LLC12,375$425K0.09%013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC12,341$424K<0.01%-2,85013F-HRTimelineGroup
LPL Financial LLC12,217$420K<0.01%-51113F-HRTimeline
Creative Planningin group Creative Planning12,207$420K<0.01%+56313F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…11,904$409K<0.01%-6,99113F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources11,751$404K<0.01%+3,75213F-HRTimelineGroup
Focus Financial Network, Inc.11,520$396K0.01%-10013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP11,416$392K<0.01%+2,15513F-HRTimelineGroup
Penn Capital Management Company, LLC11,335$390K0.03%+4,57013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/9,983$344K<0.01%+65113F-HRTimeline
BARD ASSOCIATES INC9,560$329K0.09%-26013F-HRTimeline
State of Wyoming9,406$323K0.04%+2,50813F-HRTimeline
Campbell & CO Investment Adviser LLC9,215$317K0.02%-14,03013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN8,760$301K<0.01%+1,33013F-HRTimelineGroup
Dynamic Technology Lab Private Ltd8,671$298K0.05%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\8,383$288K<0.01%+1,07913F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC7,898$272K0.01%-45,23913F-HRTimeline
PACK Private Wealth, LLC7,500$258K0.12%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…7,353$253K<0.01%013F-HRTimelineGroup
Graham Capital Management, L.P.7,304$251K0.01%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC7,261$250K<0.01%-35513F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD7,135$245K<0.01%new13F-HRTimeline
PharVision Advisers, LLC7,098$244K0.14%new13F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …6,837$235K<0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP6,303$217K0.02%new13F-HRTimeline
Mariner, LLCin group Mariner, LLC5,916$203K<0.01%-4,19713F-HRTimelineGroup
Quantbot Technologies LP5,883$202K0.01%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…5,345$184K<0.01%-1,14513F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND5,109$176K<0.01%013F-HRTimeline
AlphaQuest LLC4,810$165K0.01%-12,76913F-HRTimeline
Cetera Trust Company, N.A4,250$146K0.08%013F-HRTimeline
Police & Firemen's Retirement System of…3,459$119K<0.01%+79713F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.2,928$95.7K<0.01%-1213F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,286$78.6K<0.01%-3,84313F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,940$66.7K<0.01%013F-HRTimelineGroup
FMR LLCin group FMR LLC1,712$58.9K<0.01%+4913F-HRTimelineGroup
SIMPLEX TRADING, LLC1,327$45K<0.01%new13F-HRTimeline
Quarry LP1,219$41.9K0.01%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc1,160$39.9K<0.01%013F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…961$33K<0.01%-33013F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\877$30.2K<0.01%-8313F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…732$25.2K<0.01%-14713F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…717$24.7K<0.01%-1,16513F-HRTimelineGroup
CWM, LLCin group CWM, LLC691$24K<0.01%+713F-HRTimelineGroup
State of Alaska, Department of Revenue626$21K<0.01%new13F-HRTimeline
AMALGAMATED BANK453$16K<0.01%013F-HRTimeline
Sterling Capital Management LLC460$15.8K<0.01%+26913F-HRTimeline
QUADRANT CAPITAL GROUP LLC371$12.8K<0.01%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC359$12.3K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK301$10.3K<0.01%013F-HRTimelineGroup
Versant Capital Management, Inc258$8.87K<0.01%+11913F-HRTimeline
COMERICA BANK207$7.14K<0.01%+11913F-HRTimeline
Evelyn Partners Investment Management S…in group Evelyn Partners Group Ltd194$6.67K<0.01%013F-HRTimelineGroup
Smartleaf Asset Management LLC192$6.48K<0.01%+2313F-HRTimeline
NewEdge Advisors, LLC181$6.22K<0.01%-4013F-HRTimeline
JNBA Financial Advisors150$5.16K<0.01%013F-HRTimeline
Truvestments Capital LLC147$5.05K<0.01%-9413F-HRTimeline
GAMMA Investing LLC135$4.64K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.106$3.64K<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.100$3.44K<0.01%+213F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.93$3.2K<0.01%-11013F-HRTimelineGroup
Arax Advisory Partners60$2.06K<0.01%new13F-HRTimeline
Wealthspire Advisors, LLC60$2.06K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC49$1.69K<0.01%013F-HRTimeline
Larson Financial Group LLC39$1.34K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC36$1.24K<0.01%013F-HRTimeline
True Wealth Design, LLC17$585<0.01%013F-HRTimeline
Parallel Advisors, LLC14$481<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC10$344<0.01%-2013F-HRTimeline
Parkside Financial Bank & Trust1$35<0.01%013F-HRTimeline
Kilter Group LLC1$35<0.01%013F-HRTimeline
Aventura Private Wealth, LLC1$34<0.01%013F-HRTimeline
Covestor Ltd5$00%+213F-HRTimelineValue filed as zero, left out of ratios.