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Disclosery

CECO CECO ENVIRONMENTAL CORP

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COM (common), issuer CIK 3197

333 managers (345 13F filers) reported a position in CECO shares at 2026-06-30, 51,627,422 shares in all. 103 filers opened a position and 24 filers sold out during the quarter.

Managers
333
13F filers
345
New
103
Added
139
Reduced
71
Sold out
24
Shares held by filers
51,627,422

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
FMR LLCin group FMR LLC4,524,438$411M0.02%+2,195,55013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.4,323,986$392M0.01%+2,038,70913F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding3,249,046$295M+1,426,759Timeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,185,315$198M0.04%+1,282,02413F-HRTimelineGroup
T. Rowe Price Investment Management, In…2,153,953$195M0.13%+22,10813F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC2,088,421$190M0.08%+194,24413F-HRTimelineGroup
Driehaus Capital Management LLC1,560,486$142M0.82%+920,59413F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,460,389$133M0.01%+604,25613F-HRTimelineGroup
Divisadero Street Capital Management, LPin group Divisadero Street Capital Man…1,329,817$121M2.82%+1,142,21713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,264,690$115M<0.01%+607,34113F-HRTimelineGroup
EMERALD ADVISERS, LLCgroup of 2 filers holding1,208,004$110M+370,982Timeline
Capital World Investors1,157,200$105M0.01%+102,12013F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP1,013,412$92M0.07%+53,71413F-HRTimelineGroup
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…957,500$86.9M2.61%+570,00013F-HRTimelineGroup
Jupiter Topco LLCin group Janus Henderson949,904$86.2M0.04%13F-HRTimelineGroup
ROYCE & ASSOCIATES LP842,317$76.4M0.62%+14,53613F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/835,692$75.8M0.01%+814,32213F-HRTimeline
KING LUTHER CAPITAL MANAGEMENT CORP716,925$65.1M0.27%-33,15813F-HRTimeline
Invesco Ltd.in group Invesco Ltd.667,929$60.6M<0.01%+630,97313F-HRTimelineGroup
LORD, ABBETT & CO. LLC642,111$58.3M0.17%+227,71113F-HRTimeline
IES Holdings, Inc.623,527$56.6M18.22%+55,00013F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…607,981$55.2M0.09%-32,02513F-HRTimelineGroup
GW&K Investment Management, LLC601,544$54.6M0.43%new13F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …568,484$51.6M0.02%+453,24213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding559,493$50.8M+298,076Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP492,491$44.7M0.01%+240,61713F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc445,900$40.5M0.01%+45,42813F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co442,654$40.2M0.01%+195,15513F-HRTimelineGroup
Nuveen, LLCin group TIAA414,241$37.6M0.01%+292,37513F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC396,295$36M0.03%+391,17113F-HRTimelineGroup
OBERWEIS ASSET MANAGEMENT INC/358,072$32.5M0.67%+223,04013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\335,846$30.5M0.01%+108,05913F-HRTimelineGroup
VAN LANSCHOT KEMPEN INVESTMENT MANAGEME…327,348$29.7M0.23%new13F-HRTimeline
Harvey Partners, LLC311,132$28.2M1.96%new13F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC284,314$25.8M0.46%+134,53613F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…274,322$24.9M0.04%+31,81113F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY266,873$24.2M<0.01%-83,86713F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC266,161$24.2M<0.01%+139,64913F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…262,460$23.8M0.02%+147,97813F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC259,494$23.5M0.02%+247,72613F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC259,165$23.5M0.28%+84,11113F-HRTimeline
NEW SOUTH CAPITAL MANAGEMENT INC257,327$23.3M1.02%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…245,863$22.3M0.03%-8,45813F-HRTimelineGroup
Engineers Gate Manager LP243,155$22.1M0.29%+239,70713F-HRTimeline
Penn Capital Management Company, LLC237,119$21.6M1.37%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/233,498$21.2M<0.01%+157,15913F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC220,139$20M0.03%+3,64513F-HRTimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P219,963$20M0.03%-9,05113F-HRTimelineGroup
Assenagon Asset Management S.A.219,789$19.9M0.03%new13F-HR/ATimeline
Swedbank ABin group Swedbank AB203,000$18.4M0.02%new13F-HRTimelineGroup
Amundiin group Amundi198,106$18M<0.01%+29,90713F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS197,960$18M0.01%+6,46613F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.196,130$17.8M0.03%+37,05113F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP169,895$15.4M0.01%+13,33213F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC169,886$15.4M0.07%+131,43713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp166,997$15.2M<0.01%+80,59213F-HRTimelineGroup
Robeco Schweiz AGin group Robeco Institutional Asset Ma…165,171$15M0.24%-33,57213F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND164,287$14.9M0.02%+153,93713F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC160,872$14.6M0.01%-56,51413F-HRTimelineGroup
Pier Capital, LLC152,071$13.8M1.83%+1,82613F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …151,603$13.8M0.02%+4,90213F-HRTimelineGroup
ESSEX INVESTMENT MANAGEMENT CO LLC150,416$13.6M1.79%-6,83013F-HRTimeline
POLEN CAPITAL MANAGEMENT LLC137,977$12.5M0.11%-5,25413F-HRTimeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC134,020$12.2M0.04%new13F-HRTimeline
PEREGRINE CAPITAL MANAGEMENT LLC132,443$12M0.39%-21,86413F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC129,798$11.8M<0.01%+36,64113F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC125,517$11.4M0.07%-6,13513F-HRTimeline
Informed Momentum Co LLC120,677$11M0.98%new13F-HRTimeline
MARTIN & CO INC /TN/111,401$10.1M1.58%-138,06113F-HRTimeline
Swiss National Bank109,738$9.96M0.01%+49,83813F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC109,082$9.9M<0.01%+103,30413F-HRTimelineGroup
Hodges Capital Management Inc.107,831$9.78M0.65%new13F-HRTimeline
INTRINSIC EDGE CAPITAL MANAGEMENT LLC102,959$9.34M1.15%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding102,935$9.34M+61,238Timeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO102,871$9.33M0.01%-8,44213F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …97,233$8.82M0.01%new13F-HRTimelineGroup
MARATHON CAPITAL MANAGEMENT95,430$8.66M1.75%-2,90013F-HRTimeline
Granahan Investment Management, LLC94,823$8.6M0.31%+2,09513F-HRTimeline
RBF Capital, LLC92,820$8.42M0.35%+88,92013F-HRTimeline
Panoramic Capital, LLC87,460$7.94M3.41%+20,89413F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO83,382$7.72M<0.01%+59,12613F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC83,420$7.57M0.06%-7,65113F-HRTimeline
Qube Research & Technologies Ltd81,933$7.43M0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…81,665$7.41M0.02%new13F-HRTimeline
De Lisle Partners LLP81,441$7.39M0.81%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC79,708$7.23M0.01%-85,55813F-HRTimelineGroup
Alberta Investment Management Corp78,364$7.11M0.04%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN76,027$6.9M<0.01%+52,56413F-HRTimelineGroup
Legato Capital Management LLC74,674$6.78M0.56%+14,04813F-HRTimeline
Peregrine Asset Advisers, Inc.72,756$6.6M1.43%-1,13013F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A69,140$6.27M0.02%+21,20413F-HRTimelineGroup
Meros Investment Management, LP68,066$6.18M1.96%new13F-HRTimeline
Lisanti Capital Growth, LLC67,275$6.1M1.34%+36,41513F-HRTimeline
RHUMBLINE ADVISERS67,161$6.09M<0.01%+31,13013F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC62,971$5.71M0.02%+4,91813F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC61,975$5.62M<0.01%+28,54913F-HRTimelineGroup
WHITE PINE CAPITAL LLC61,372$5.57M1.32%-3,13513F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…60,981$5.53M0.01%+26,22313F-HR/ATimeline
ALPINE ASSOCIATES MANAGEMENT INC.58,934$5.35M0.33%new13F-HRTimeline
Moran Wealth Management, LLC58,495$5.31M0.14%+1,54213F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP57,886$5.25M<0.01%-194,01813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC56,748$5.15M<0.01%+23,44213F-HRTimelineGroup
FORMULA GROWTH LTD55,159$5.01M1.76%-7,18513F-HRTimeline
OSTERWEIS CAPITAL MANAGEMENT INCin group OSTERWEIS CAPITAL MANAGEMENT …51,772$4.7M0.22%-174,84513F-HRTimelineGroup
Janney Montgomery Scott LLC49,900$4.53M0.01%+4,86013F-HRTimeline
TD Asset Management Inc49,712$4.51M<0.01%-3,01213F-HRTimeline
North Star Investment Management Corp.48,150$4.37M0.24%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…47,520$4.31M0.01%new13F-HRTimeline
Diamond Hill Capital Management, LLC (I…45,916$4.17M0.03%new13F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC44,562$4.04M<0.01%+10,07713F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding43,783$3.97M-6,737Timeline
JACOBS LEVY EQUITY MANAGEMENT, INC40,498$3.67M0.01%013F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…40,137$3.64M0.02%+5,13713F-HRTimelineGroup
RICE HALL JAMES & ASSOCIATES, LLC38,687$3.51M0.17%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.57,323$3.42M<0.01%+26,40313F-HRTimeline
HighTower Advisors, LLC36,825$3.34M<0.01%+2,40913F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC36,226$3.29M<0.01%+10,54613F-HRTimelineGroup
Riverpoint Wealth Management Holdings, …36,005$3.27M0.6%new13F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP35,298$3.2M<0.01%new13F-HRTimelineGroup
Resolute Capital Asset Partners LLC35,000$3.18M1.36%new13F-HRTimeline
Jain Global LLC34,822$3.16M0.04%new13F-HRTimeline
Creative Planningin group Creative Planning34,198$3.1M<0.01%-31413F-HRTimelineGroup
NAVELLIER & ASSOCIATES INC33,722$3.06M0.24%-11,55813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC32,898$2.99M<0.01%+29,44013F-HRTimelineGroup
Expect Equity LLC31,524$2.86M1.84%-6,94913F-HRTimeline
Y-Intercept (Hong Kong) Ltd31,243$2.83M0.06%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…30,721$2.79M0.01%+14,62413F-HRTimelineGroup
CVFG LLC30,464$2.76M0.29%013F-HRTimeline
Empirical Asset Management, LLC30,025$2.72M0.61%013F-HRTimeline
NorthCrest Asset Manangement, LLC32,238$2.72M0.07%-2713F-HRTimeline
CI INVESTMENTS INC.in group CI INVESTMENTS INC.29,027$2.63M0.01%new13F-HRTimelineGroup
Penserra Capital Management LLCin group Penserra Capital Management L…28,102$2.55M0.02%new13F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…28,045$2.54M<0.01%+11,32613F-HRTimeline
COOKSON PEIRCE & CO INC27,555$2.5M0.08%+2,96213F-HRTimeline
Cambridge Investment Research Advisors,…26,408$2.4M0.01%new13F-HR/ATimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC26,064$2.37M0.01%+2,80513F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …24,784$2.25M<0.01%+11,22313F-HRTimelineGroup
Oliver Luxxe Assets LLC24,575$2.23M0.33%new13F-HRTimeline
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVA…24,500$2.22M3.82%+50013F-HRTimeline
Trexquant Investment LP24,418$2.22M0.01%+2,71813F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…24,310$2.21M<0.01%+10,47913F-HRTimelineGroup
BAILARD, INC.23,700$2.15M0.04%013F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD22,535$2.04M<0.01%+15,16113F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC21,738$1.96M<0.01%new13F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources21,206$1.92M<0.01%-126,25913F-HRTimelineGroup
SG Americas Securities, LLC18,278$1.66M<0.01%-59,86513F-HRTimeline
COMMERCE BANKin group COMMERCE BANK17,890$1.62M0.01%+11,85713F-HRTimelineGroup
Arkadios Wealth Advisors17,850$1.62M0.02%-3813F-HRTimeline
Yorktown Management & Research Co Inc17,209$1.56M0.96%+4,30913F-HRTimeline
CenterBook Partners LP16,809$1.53M0.07%new13F-HRTimeline
KLP KAPITALFORVALTNING AS16,456$1.49M<0.01%+9,65613F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC16,454$1.49M0.01%+7,00213F-HRTimeline
Private Advisor Group, LLC16,454$1.49M0.01%-4313F-HRTimeline
CSS LLC/IL15,531$1.41M0.06%new13F-HRTimeline
Police & Firemen's Retirement System of…15,511$1.41M0.01%+7,29913F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding15,380$1.4M-685Timeline
STATE BOARD OF ADMINISTRATION OF FLORID…14,864$1.35M<0.01%+6,35413F-HRTimeline
Concentric Capital Strategies, LP14,394$1.31M0.08%+4,79113F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM14,084$1.28M0.01%+5,76313F-HRTimeline
Counterpoint Mutual Funds LLC13,158$1.19M0.12%-1,58613F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC13,098$1.19M0.01%+77213F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al13,050$1.18M0.01%+9,10013F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…12,806$1.16M<0.01%new13F-HRTimelineGroup
ALGERT GLOBAL LLC12,690$1.15M0.01%+2,29013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.12,476$1.13M0.08%new13F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT12,373$1.12M0.02%-36113F-HR/ATimeline
Quantinno Capital Management LP12,213$1.11M<0.01%new13F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…12,115$1.1M0.02%+6,01413F-HRTimelineGroup
Quantbot Technologies LP12,076$1.1M0.04%new13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd11,888$1.08M0.01%+5,51513F-HRTimelineGroup
KORNITZER CAPITAL MANAGEMENT INC /KS11,623$1.05M0.02%-39213F-HRTimeline
Cox Capital Mgt LLC11,610$1.05M0.59%-47813F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC11,576$1.05M<0.01%new13F-HRTimelineGroup
Kassira Wealth Management LLC10,223$928K0.75%-12013F-HRTimeline
HARVEST MANAGEMENT LLC10,218$927K0.41%+2,21813F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC10,212$927K0.01%+2,98313F-HRTimelineGroup
Neo Ivy Capital Management10,172$923K0.21%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC10,134$920K<0.01%+2,84413F-HRTimelineGroup
Independent Advisor Alliance10,099$916K0.02%+56713F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp9,979$905K<0.01%+5,00013F-HRTimelineGroup
LPL Financial LLC9,870$896K<0.01%-1,98313F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding9,212$836K+6,774Timeline
Regal Partners Ltdin group Regal Partners Ltd9,195$834K0.05%new13F-HRTimelineGroup
SageView Advisory Group, LLC9,167$832K0.03%-14,64913F-HRTimeline
Marex Group Ltdin group Marex Group Ltd9,000$817K0.01%-4,51013F-HRTimelineGroup
GUYASUTA INVESTMENT ADVISORS INC8,750$794K0.04%013F-HRTimeline
Bridgefront Capital, LLC8,421$764K0.2%new13F-HRTimeline
LANARK FINANCIAL, INC.8,364$759K0.05%-5713F-HRTimeline
OFI INVEST ASSET MANAGEMENT9,516$755K0.01%-8,56613F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC8,276$751K<0.01%+2,80313F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…8,263$750K<0.01%+3,78013F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS8,026$728K<0.01%new13F-HRTimeline
State of Wyoming7,878$715K0.07%+5,91613F-HRTimeline
Brookstone Capital Managementin group Brookstone Capital Management7,842$712K0.01%new13F-HRTimelineGroup
EQUITABLE TRUST CO7,725$701K0.03%+2,45513F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC7,500$681K0.03%-1,19413F-HRTimelineGroup
ProShare Advisors LLC6,912$627K<0.01%+2,63813F-HRTimeline
CV Advisors LLC6,840$621K0.12%new13F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co6,707$609K0.01%new13F-HRTimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC6,622$601K<0.01%-127,74813F-HRTimeline