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Disclosery

CECO CECO ENVIRONMENTAL CORP

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COM (common), issuer CIK 3197

228 managers (232 13F filers) reported a position in CECO shares at 2025-12-31, 29,468,364 shares in all. 33 filers opened a position and 30 filers sold out during the quarter.

Managers
228
13F filers
232
New
33
Added
80
Reduced
75
Sold out
30
Shares held by filers
29,468,364

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
BlackRock, Inc.in group BlackRock, Inc.2,285,359$137M<0.01%+51,06713F-HRTimelineGroup
FMR LLCin group FMR LLC2,211,372$132M0.01%+89,97113F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC2,038,312$122M0.06%+780,51613F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC1,780,596$107M<0.01%+9,84013F-HRTimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP951,199$56.9M0.23%-174,12313F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson922,000$55.2M0.02%+1,89813F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP895,540$53.6M0.01%-80,84213F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding772,909$46.3M+401,976Timeline
ROYCE & ASSOCIATES LP740,687$44.3M0.45%-84,47313F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC729,700$43.7M<0.01%+8,73413F-HRTimelineGroup
Capital International Investorsin group Capital International Investo…721,982$43.2M0.01%-953,36913F-HRTimelineGroup
EMERALD ADVISERS, LLCgroup of 2 filers holding719,123$43M+527,872Timeline
T. Rowe Price Investment Management, In…718,992$43M0.03%+366,61113F-HR/ATimeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC706,273$42.3M0.12%+20,53113F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…672,147$40.2M0.07%+178,89213F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP650,886$39M<0.01%+1,17813F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…607,417$36.4M0.01%-139,04913F-HRTimelineGroup
Driehaus Capital Management LLC579,950$34.7M0.24%+61,43413F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc418,255$25M0.01%+12,07413F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…366,867$22M0.04%-67,38913F-HRTimelineGroup
Capital World Investors333,098$19.9M<0.01%new13F-HRTimeline
UBS Group AGgroup of 2 filers holding332,625$19.9M+220,092Timeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P327,509$19.6M0.02%-22213F-HRTimelineGroup
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…298,500$17.9M1.13%+123,50013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY294,115$17.6M<0.01%+80,87413F-HR/ATimelineGroup
IES Holdings, Inc.283,432$17M9.91%13F-HRTimeline
Nuveen, LLCin group TIAA258,758$15.5M<0.01%+190,98513F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co253,726$15.2M<0.01%+3,71713F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources253,491$15.2M<0.01%+225,90613F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP245,161$14.7M<0.01%-17,24413F-HRTimelineGroup
MARTIN & CO INC /TN/243,299$14.6M2.5%+4,26413F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\224,784$13.5M<0.01%+101,39713F-HRTimelineGroup
OSTERWEIS CAPITAL MANAGEMENT INCin group OSTERWEIS CAPITAL MANAGEMENT …223,682$13.4M0.57%+13,65013F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC206,467$12.4M0.08%013F-HRTimeline
LORD, ABBETT & CO. LLC202,216$12.1M0.04%+30,51913F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …194,322$11.6M0.02%-37,40813F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC184,120$11M0.15%-75,93813F-HRTimeline
PEREGRINE CAPITAL MANAGEMENT LLC182,755$10.9M0.34%-50,46013F-HRTimeline
Amundiin group Amundi176,996$10.6M<0.01%-23,69013F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS176,885$10.6M0.01%+85,76813F-HRTimelineGroup
CASTLEARK MANAGEMENT LLC156,505$9.37M0.27%+3,12013F-HRTimeline
ESSEX INVESTMENT MANAGEMENT CO LLC154,457$9.24M1.41%-3,52313F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP153,050$9.16M0.01%new13F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC147,055$8.8M0.19%-91413F-HRTimeline
OBERWEIS ASSET MANAGEMENT INC/145,508$8.71M0.32%+53,50013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.135,511$8.11M<0.01%+92,77213F-HRTimelineGroup
Robeco Schweiz AGin group Robeco Institutional Asset Ma…131,216$7.85M0.18%-144,94713F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/125,979$7.54M<0.01%+49,00013F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC117,403$7.03M0.06%-2,65313F-HRTimeline
Peregrine Asset Advisers, Inc.113,870$6.82M1.92%+66,84313F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC113,343$6.78M0.02%-23,31313F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…109,730$6.57M0.01%-27,37513F-HRTimelineGroup
Granahan Investment Management, LLC108,889$6.52M0.28%-125,81013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO107,975$6.46M0.01%+49,92813F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL104,616$6.26M0.03%new13F-HRTimeline
MARATHON CAPITAL MANAGEMENT101,685$6.09M1.31%-1513F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN100,888$6.04M<0.01%+1,07613F-HRTimelineGroup
Pier Capital, LLC97,842$5.86M0.93%-6,08613F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC88,820$5.32M0.01%-229,01413F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp88,176$5.28M<0.01%-2,75913F-HRTimelineGroup
Informed Momentum Co LLC85,139$5.1M0.57%-1,69913F-HRTimeline
Lisanti Capital Growth, LLC84,235$5.04M1.19%new13F-HRTimeline
Legato Capital Management LLC81,123$4.86M0.42%+35,52913F-HRTimeline
SG Americas Securities, LLC80,736$4.83M0.01%+69,80013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC79,575$4.76M<0.01%+24,49113F-HR/ATimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC73,544$4.4M0.01%+12,65813F-HRTimelineGroup
FORMULA GROWTH LTD70,720$4.23M1.63%-34,97113F-HRTimeline
POLEN CAPITAL MANAGEMENT LLC69,775$4.18M0.02%+9,55213F-HRTimeline
THAMES CAPITAL MANAGEMENT LLC69,403$4.15M0.6%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC65,062$3.89M<0.01%-278,48613F-HRTimelineGroup
WHITE PINE CAPITAL LLC64,483$3.86M1.06%-98613F-HRTimeline
Swiss National Bank59,300$3.55M<0.01%+1,20013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…59,184$3.54M<0.01%+18,37013F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC52,910$3.17M0.01%-4,71113F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding51,382$3.08M+51,382Timeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A47,936$2.87M0.01%013F-HRTimelineGroup
Expect Equity LLC47,884$2.87M2.36%-26,36013F-HR/ATimeline
Panoramic Capital, LLC46,566$2.79M1.6%+2,50613F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC45,985$2.75M<0.01%-4,18513F-HRTimelineGroup
Janney Montgomery Scott LLC45,500$2.72M0.01%-80013F-HRTimeline
North Star Investment Management Corp.45,150$2.7M0.17%013F-HRTimeline
NAVELLIER & ASSOCIATES INC42,455$2.54M0.28%+13,86013F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC40,498$2.42M0.01%013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC38,577$2.31M<0.01%-71,25313F-HRTimelineGroup
Continuum Advisory, LLC37,443$2.24M0.22%013F-HRTimeline
RHUMBLINE ADVISERS36,017$2.16M<0.01%-6,13113F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC34,795$2.08M<0.01%-45,70713F-HRTimelineGroup
NorthCrest Asset Manangement, LLC32,143$2M0.04%+1513F-HRTimeline
Independent Advisor Alliance30,987$1.85M0.05%+25,27613F-HRTimeline
ALLIANCEBERNSTEIN L.P.30,520$1.83M<0.01%+40013F-HRTimeline
G2 Investment Partners Management LLC30,450$1.82M0.43%-165,95513F-HRTimeline
Atika Capital Management LLCin group Atika Capital Management LLC29,804$1.78M0.25%new13F-HRTimelineGroup
Empirical Asset Management, LLC29,561$1.77M0.5%013F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC28,225$1.69M<0.01%+8,50513F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …28,069$1.68M<0.01%new13F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC27,520$1.65M0.01%+2,77613F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC27,489$1.65M<0.01%+11,00713F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…27,422$1.64M<0.01%-613F-HRTimeline
BAILARD, INC.27,022$1.62M0.04%-30,31913F-HRTimeline
TD Asset Management Inc23,962$1.43M<0.01%+11,83213F-HRTimeline
SageView Advisory Group, LLC23,841$1.43M0.05%-25813F-HRTimeline
COOKSON PEIRCE & CO INC23,585$1.41M0.06%new13F-HRTimeline
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVA…23,000$1.38M1.9%-1,70013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO22,823$1.37M<0.01%-73613F-HRTimelineGroup
HighTower Advisors, LLC20,577$1.23M<0.01%+11,71313F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\18,001$1.08M<0.01%+17,70913F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd17,673$1.06M0.02%new13F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/17,387$1.04M<0.01%+1,51013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…17,010$1.02M<0.01%013F-HRTimelineGroup
Ellsworth Advisors, LLC15,047$996K0.2%+46213F-HRTimeline
Private Advisor Group, LLC16,497$987K<0.01%+7213F-HRTimeline
OFI INVEST ASSET MANAGEMENT18,082$921K0.01%+56213F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…15,205$910K<0.01%+2,21413F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…14,770$884K0.02%+10,07813F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC14,315$857K<0.01%-1,16813F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …14,219$851K<0.01%-6013F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC14,081$843K0.01%-19,05613F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…13,684$819K<0.01%+21613F-HRTimelineGroup
ExodusPoint Capital Management, LP13,230$792K0.01%new13F-HRTimeline
Verition Fund Management LLC13,200$790K<0.01%-14,57313F-HRTimeline
Cox Capital Mgt LLC12,088$776K0.48%-10,36713F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT12,949$775K0.01%-44413F-HRTimeline
TWINBEECH CAPITAL LP12,900$772K0.05%new13F-HRTimeline
Perritt Capital Management Inc12,000$718K1.2%013F-HRTimeline
Rothschild Wealth LLC12,000$718K0.07%new13F-HR/ATimeline
Moran Wealth Management, LLC11,542$691K0.02%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC11,140$667K0.01%-1,23613F-HRTimeline
Round Rock Advisors LLC10,950$655K0.1%new13F-HR/ATimeline
NEW YORK STATE COMMON RETIREMENT FUND10,650$637K<0.01%-10013F-HRTimeline
ALGERT GLOBAL LLC10,400$622K0.01%013F-HR/ATimeline
GUYASUTA INVESTMENT ADVISORS INC10,000$598K0.03%013F-HRTimeline
Yorktown Management & Research Co Inc9,700$581K0.46%013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC8,901$533K<0.01%new13F-HRTimelineGroup
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC8,855$530K<0.01%-64013F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…8,510$509K<0.01%013F-HRTimeline
Counterpoint Mutual Funds LLC8,410$503K0.04%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM8,354$500K<0.01%-49813F-HRTimeline
LPL Financial LLC8,243$493K<0.01%+3,79813F-HRTimeline
Marex Group Ltdin group Marex Group Ltd8,000$479K0.01%new13F-HRTimelineGroup
LANARK FINANCIAL, INC.7,991$478K0.04%+2,47613F-HRTimeline
Brookstone Capital Managementin group Brookstone Capital Management7,980$478K0.01%+1,61313F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP7,800$467K<0.01%-27,19913F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC7,778$466K0.04%-1,10513F-HRTimelineGroup
Police & Firemen's Retirement System of…7,594$455K<0.01%-67713F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC7,255$434K0.01%-49,14813F-HRTimeline
BARD ASSOCIATES INC6,943$416K0.11%-8113F-HRTimeline
KLP KAPITALFORVALTNING AS6,400$383K<0.01%+60013F-HRTimeline
Creative Planningin group Creative Planning6,223$372K<0.01%+94113F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC6,115$366K<0.01%-23413F-HRTimeline
Councilmark Asset Management, LLC6,050$362K0.2%013F-HRTimeline
Engineers Gate Manager LP6,005$359K<0.01%-7,47713F-HRTimeline
FineMark National Bank & Trust5,957$357K0.01%013F-HRTimeline
Ravenstone Capital Management Inc.5,500$329K0.15%013F-HRTimeline
ProShare Advisors LLC5,390$323K<0.01%+39913F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC5,356$321K<0.01%-397,91013F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp5,204$311K<0.01%-3,27613F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC4,843$290K<0.01%-4,54513F-HRTimelineGroup
Cruiser Capital Advisors, LLC4,431$265K0.22%013F-HRTimeline
WEDBUSH SECURITIES INC4,225$253K0.01%013F-HRTimeline
Rockwood Wealth Management, LLC4,200$251K0.02%013F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC4,020$241K<0.01%new13F-HRTimelineGroup
RBF Capital, LLC3,900$233K0.01%new13F-HR/ATimeline
Truvestments Capital LLC3,852$231K0.04%013F-HRTimeline
Brooklyn Investment Group3,763$229K0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,686$221K<0.01%-10,24013F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…3,646$218K<0.01%new13F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC3,636$218K<0.01%new13F-HRTimelineGroup
Abacus Wealth Partners, LLC3,565$213K0.02%new13F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC3,488$209K<0.01%new13F-HRTimeline
GROUP ONE TRADING LLC3,325$199K0.01%+2,66413F-HRTimeline
EASTERN BANK3,221$193K<0.01%-77913F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co3,031$181K<0.01%013F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP2,801$168K<0.01%-15113F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,438$146K<0.01%013F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.2,332$140K<0.01%013F-HRTimeline
State of Wyoming2,220$133K0.01%-1,37613F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.2,137$128K<0.01%-9,05113F-HRTimelineGroup
State of Alaska, Department of Revenue1,849$110K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC1,776$106K<0.01%-29,75313F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC1,541$92K<0.01%new13F-HRTimelineGroup
USA FINANCIAL FORMULAS1,511$90.4K0.02%new13F-HRTimeline
COMERICA BANK1,495$89.5K<0.01%+1,48113F-HRTimeline
Farther Finance Advisors, LLC1,460$87.4K<0.01%013F-HRTimeline
BARTLETT & CO. WEALTH MANAGEMENT LLC1,355$81.1K<0.01%013F-HRTimeline
Caitong International Asset Management …1,283$76.8K0.02%+80013F-HR/ATimeline
Private Wealth Asset Management, LLC1,179$70.6K0.01%013F-HRTimeline
FIRST HORIZON CORP1,110$66.4K<0.01%-13113F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,081$64.7K<0.01%-42713F-HRTimelineGroup
Morse Asset Management, Inc1,000$59.9K0.01%013F-HRTimeline
AMALGAMATED BANK927$55K<0.01%-7413F-HRTimeline
NATIONAL BANK OF CANADA /FI/in group NATIONAL BANK OF CANADA /FI/913$54.6K<0.01%+413F-HRTimelineGroup
SIMPLEX TRADING, LLC657$39.3K<0.01%new13F-HRTimeline
Key Financial Inc600$35.9K0.01%013F-HRTimeline
Aventura Private Wealth, LLC500$29.9K0.01%013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …462$28K<0.01%+14213F-HRTimelineGroup
PRIVATE TRUST CO NA400$23.9K<0.01%013F-HRTimeline
SIGNATUREFD, LLC355$21.2K<0.01%013F-HRTimeline
Larson Financial Group LLC313$18.7K<0.01%new13F-HRTimeline
QUADRANT CAPITAL GROUP LLC310$18.6K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC290$17.4K<0.01%-14513F-HRTimeline