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Disclosery

CLFD CLEARFIELD INC

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COMMON STOCK (common), issuer CIK 796505

124 managers (125 13F filers) reported a position in CLFD shares at 2025-12-31, 8,531,627 shares in all. 16 filers opened a position and 21 filers sold out during the quarter.

Managers
124
13F filers
125
New
16
Added
36
Reduced
44
Sold out
21
Shares held by filers
8,531,627

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, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
VANGUARD GROUP INCin group VANGUARD GROUP INC947,982$27.6M<0.01%+7,97813F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.927,046$27M<0.01%-19,51813F-HRTimelineGroup
MAIRS & POWER INC730,188$21.3M0.2%-60513F-HRTimeline
ACK Asset Management LLC625,200$18.2M2.29%013F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC479,741$14M0.66%013F-HRTimeline
ROYCE & ASSOCIATES LP379,912$11.1M0.11%-39,88713F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP316,730$9.23M<0.01%-29,10313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP282,599$8.24M<0.01%-5,88913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC278,866$8.13M<0.01%-4,29613F-HRTimelineGroup
PUNCH & ASSOCIATES INVESTMENT MANAGEMEN…278,110$8.11M0.47%+15,50013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO248,268$7.24M<0.01%+28,22613F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA233,101$6.79M<0.01%+9,04513F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP152,684$4.45M<0.01%-10,10313F-HRTimelineGroup
Ancora Advisors LLCin group Ancora Advisors LLC143,997$4.2M0.09%-35,64313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.135,376$3.95M<0.01%+64513F-HRTimelineGroup
Dana Investment Advisors, Inc.129,657$3.78M0.11%-17113F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP118,692$3.46M<0.01%-7,02713F-HRTimelineGroup
Trexquant Investment LP107,416$3.13M0.03%+18,55013F-HRTimeline
Select Equity Group, L.P.106,407$3.1M0.01%-47,86413F-HRTimeline
UBS Group AGgroup of 2 filers holding106,084$3.09M+12,440Timeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…103,665$3.02M<0.01%-52,34913F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/103,358$3.01M<0.01%+77,76513F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC102,906$3M<0.01%+14,13713F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC101,700$2.96M<0.01%+38,12613F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co96,847$2.82M<0.01%+91813F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC87,344$2.55M<0.01%+1,68213F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL80,507$2.35M0.01%+19,07913F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …71,381$2.08M<0.01%+21,56213F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC68,049$1.98M<0.01%-5,74713F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC61,647$1.8M<0.01%-54,01613F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…53,659$1.65M<0.01%-2713F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY52,762$1.54M<0.01%-19,56513F-HR/ATimelineGroup
Drum Hill Capital, LLC49,912$1.45M1.51%+71313F-HRTimeline
Wealth Group Ltd47,000$1.37M0.31%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC41,831$1.22M<0.01%+3,63513F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC41,403$1.21M<0.01%+12,15713F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC36,486$1.06M<0.01%+8,44013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC34,257$999K<0.01%+11,00513F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp34,067$993K<0.01%-3,07713F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC31,587$921K<0.01%+10,70513F-HRTimelineGroup
ExodusPoint Capital Management, LP31,164$908K0.01%new13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.29,593$863K<0.01%+2,43413F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A28,000$816K<0.01%new13F-HRTimelineGroup
Nuveen, LLCin group TIAA23,438$683K<0.01%013F-HRTimelineGroup
Atom Investors LP22,509$656K0.05%-13513F-HRTimeline
Sequoia Financial Advisors, LLC21,023$613K<0.01%-2613F-HRTimeline
EntryPoint Capital, LLC19,757$576K0.22%-2,29213F-HRTimeline
RHUMBLINE ADVISERS16,911$493K<0.01%-2,16913F-HRTimeline
Nierenberg Investment Management Compan…16,510$481K0.24%013F-HRTimeline
ALLIANCEBERNSTEIN L.P.15,646$456K<0.01%-813F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd15,265$445K0.01%new13F-HRTimelineGroup
MANGROVE PARTNERS IM, LLC15,187$443K0.04%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN13,451$392K<0.01%+4,69113F-HRTimelineGroup
Creative Planningin group Creative Planning13,014$379K<0.01%+80713F-HRTimelineGroup
Dorsey & Whitney Trust CO LLC12,800$373K0.02%-1,06513F-HRTimeline
High Note Wealth, LLC12,375$361K0.07%013F-HRTimeline
Qube Research & Technologies Ltd12,298$358K<0.01%new13F-HRTimeline
State of Wyoming12,270$358K0.04%+2,86413F-HRTimeline
AlphaQuest LLC12,006$350K0.02%+7,19613F-HRTimeline
Campbell & CO Investment Adviser LLC11,940$348K0.02%+2,72513F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC11,579$338K<0.01%-76213F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/10,618$310K<0.01%+63513F-HRTimeline
INCEPTIONR LLC10,079$294K0.08%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…9,597$280K<0.01%-2,30713F-HRTimelineGroup
CAXTON ASSOCIATES LLP9,538$278K0.01%new13F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\8,825$257K<0.01%+44213F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD8,502$248K<0.01%+1,36713F-HRTimeline
LPL Financial LLC7,717$225K<0.01%-4,50013F-HRTimeline
BARD ASSOCIATES INC7,710$225K0.06%-1,85013F-HRTimeline
PACK Private Wealth, LLC7,500$219K0.1%013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…7,353$214K<0.01%013F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…5,331$155K<0.01%-1413F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND5,109$149K<0.01%013F-HRTimeline
Aquatic Capital Management LLC4,384$128K<0.01%new13F-HRTimeline
Cetera Trust Company, N.A4,250$124K0.07%013F-HRTimeline
FMR LLCin group FMR LLC3,131$91.3K<0.01%+1,41913F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.3,013$87.8K<0.01%+8513F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC2,827$82.4K<0.01%+54113F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC2,162$78.7K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS2,548$74.3K<0.01%-11,47913F-HRTimelineGroup
Police & Firemen's Retirement System of…2,465$71.9K<0.01%-99413F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,745$50.9K<0.01%-19513F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,440$42K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,122$32.7K<0.01%-3813F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…961$28K<0.01%013F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\896$26.1K<0.01%+1913F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…860$25.1K<0.01%+14313F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…708$20.6K<0.01%-2413F-HRTimeline
CWM, LLCin group CWM, LLC657$19K<0.01%-3413F-HRTimelineGroup
Pinnacle Wealth Planning Services, Inc.651$19K<0.01%new13F-HRTimeline
State of Alaska, Department of Revenue626$18K<0.01%013F-HRTimeline
Sterling Capital Management LLC407$11.9K<0.01%-5313F-HRTimeline
AMALGAMATED BANK361$11K<0.01%-9213F-HRTimeline
QUADRANT CAPITAL GROUP LLC371$10.8K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC359$10.5K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK301$8.77K<0.01%013F-HRTimelineGroup
Vermillion Wealth Management, Inc.200$5.83K<0.01%new13F-HRTimeline
Birchwood Financial Partners, Inc.200$5.83K0.01%13F-HRTimeline
NewEdge Advisors, LLC195$5.68K<0.01%+1413F-HRTimeline
Evelyn Partners Investment Management S…in group Evelyn Partners Group Ltd194$5.66K<0.01%013F-HRTimelineGroup
Smartleaf Asset Management LLC192$5.65K<0.01%013F-HRTimeline
COMERICA BANK190$5.54K<0.01%-1713F-HRTimeline
JNBA Financial Advisors150$4.37K<0.01%013F-HRTimeline
Truvestments Capital LLC147$4.29K<0.01%013F-HRTimeline
Versant Capital Management, Inc141$4.11K<0.01%-11713F-HRTimeline
GAMMA Investing LLC135$3.94K<0.01%013F-HRTimeline
Ares Financial Consulting, LLC113$3.29K<0.01%13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.106$3.09K<0.01%013F-HRTimelineGroup
Global Retirement Partners, LLC100$2.92K<0.01%new13F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.51$1.49K<0.01%-4213F-HRTimelineGroup
Farther Finance Advisors, LLC46$1.34K<0.01%+1013F-HRTimeline
SIGNATUREFD, LLC43$1.25K<0.01%-613F-HRTimeline
Larson Financial Group LLC37$1.08K<0.01%-213F-HRTimeline
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.29$845<0.01%new13F-HRTimelineGroup
SBI Securities Co., Ltd.23$670<0.01%-7713F-HRTimeline
Parallel Advisors, LLC14$408<0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC10$292<0.01%013F-HRTimeline
True Wealth Design, LLC9$263<0.01%-813F-HRTimeline
Caitong International Asset Management …7$204<0.01%new13F-HR/ATimeline
Arax Advisory Partners3$87<0.01%-5713F-HRTimeline
Parkside Financial Bank & Trust1$30<0.01%013F-HRTimeline
Kilter Group LLC1$30<0.01%013F-HRTimeline
Aventura Private Wealth, LLC1$29<0.01%013F-HRTimeline
Covestor Ltd5$00%013F-HRTimelineValue filed as zero, left out of ratios.