13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
CECO

CECO ENVIRONMENTAL CORP

269 institutions still hold CECO ENVIRONMENTAL CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 125141101·269 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 9.8%
vs prior quarter
13F value held
$1.1B
70.0% inst. owned
of float
Holders
269
+6 QoQ
filers reporting
Activity
+81 / −119
+1,046 added · −815 reduced
this quarter
Concentration
12.86%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

269 institutions reported CECO in Q1 2026. FMR LLC leads at 12.9% of the visible book. +6 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$139M2.3M0.01%Q1 202602
BlackRock, Inc.
CIK 0002012383
$136M2.3M0.00%Q1 202603
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$113M1.9M0.06%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$79M1.3M0.00%Q1 202605
Capital World Investors
CIK 0001422849
$63M1.1M0.01%Q1 202606
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$57M960K0.05%Q1 202607
JANUS HENDERSON GROUP PLC
CIK 0001274173
$54M908K0.03%Q1 202608
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$54M903K0.01%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$51M856K0.00%Q1 202610
ROYCE & ASSOCIATES LP
CIK 0000906304
$49M828K0.49%Q1 202611
KING LUTHER CAPITAL MANAGEMENT CORP
CIK 0000310051
$45M750K0.19%Q1 202612
STATE STREET CORP
CIK 0000093751
$39M657K0.00%Q1 202613
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 0000938206
$38M640K0.28%Q1 202614
IES Holdings, Inc.
CIK 0001048268
$34M569K15.83%Q1 202615
EMERALD ADVISERS, LLC
CIK 0001015083
$31M523K0.99%Q1 202616
Legal & General Group Plc
CIK 0000764068
$24M400K0.01%Q1 202617
MORGAN STANLEY
CIK 0000895421
$21M351K0.00%Q1 202618
EMERALD MUTUAL FUND ADVISERS TRUST
CIK 0001352895
$19M314K0.91%Q1 202619
NEEDHAM INVESTMENT MANAGEMENT LLC
CIK 0001167212
$18M299K1.13%Q4 202520
Rockefeller Capital Management L.P.
CIK 0001739439
$15M254K0.03%Q1 2026
Page 1 of 14
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