Ceco Environmental Corp (CECO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

36,528,873Shares Outstanding

590,195Shares held by institutions

$46,584,091Value of institutional holdings

78.32%Institutional ownership %

4.02%Shares Changed QoQ

224No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 224 institutions have reported a stake in Ceco Environmental Corp (NASDAQ:CECO) as of December 2025, according to recent 13F filings with the SEC.

These investors collectively held 78.3% of the company's total shares outstanding in December 2025, down from 78.5% in September 2025.
In percentage terms, this reflects as a holdings change of 4.02% quarter on quarter, and an increase of 27.27% year over year.
Of these 224 institutional investors, 106 increased their holdings in Ceco Environmental, while 78 of them reduced positions, and 40 investors maintained their exposure.
Collectively, institutional investors increased their stake in Ceco Environmental to 28.61Mn shares as of December 2025, a change that is up by 1.11Mn shares quarter on quarter and down 95.49K shares year over year.
BlackRock, Inc. continues to be the largest institutional holder of Ceco Environmental as of December 31, 2025, with a position of 2.29Mn shares, representing 6.26% of the company's outstanding stock.
Among the most significant buyers of Ceco Environmental during December 2025 were AMERICAN CENTURY COMPANIES INC (780.52K), EMERALD ADVISERS, LLC (339.12K), Capital World Investors (333.10K), IES Holdings, Inc. (283.43K), FRANKLIN RESOURCES INC (225.91K).
Leading sellers of Ceco Environmental stock in December 2025 included Capital International Investors (953.37K), VOYA INVESTMENT MANAGEMENT LLC (397.91K), T. Rowe Price Investment Management, Inc. (327.71K), CITADEL ADVISORS LLC (278.49K), JANE STREET GROUP, LLC (229.01K).
The top 10 institutional holders of Ceco Environmental for the quarter ending December 2025 included BlackRock, Inc. (2.29Mn), FMR LLC (2.21Mn), AMERICAN CENTURY COMPANIES INC (2.04Mn), VANGUARD GROUP INC (1.78Mn), KING LUTHER CAPITAL MANAGEMENT CORP (951.20K), JANUS HENDERSON GROUP PLC (922.00K), DIMENSIONAL FUND ADVISORS LP (895.54K), ROYCE & ASSOCIATES LP (740.69K), GEODE CAPITAL MANAGEMENT, LLC (729.70K), Capital International Investors (721.98K).

224 Institutional Holders

590,195 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	2,285,359	51,067	2.29%	$136,778,736.00
FMR LLC	31 Dec, 2025	2,211,372	89,971	4.24%	$132,350,610.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	2,038,312	780,516	62.05%	$121,993,100.00
VANGUARD GROUP INC	31 Dec, 2025	1,780,596	9,840	0.56%	$106,568,671.00
KING LUTHER CAPITAL MANAGEMENT CORP	31 Dec, 2025	951,199	-174,123	-15.47%	$56,929,260.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	922,000	1,898	0.21%	$55,181,505.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	895,540	-80,842	-8.28%	$53,598,168.00
ROYCE & ASSOCIATES LP	31 Dec, 2025	740,687	-84,473	-10.24%	$44,330,117.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	729,700	8,734	1.21%	$43,679,601.00
Capital International Investors	31 Dec, 2025	721,982	-953,369	-56.91%	$43,210,623.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	706,273	20,531	2.99%	$42,270,439.00
THRIVENT FINANCIAL FOR LUTHERANS	31 Dec, 2025	672,147	178,892	36.27%	$40,229.00
STATE STREET CORP	31 Dec, 2025	650,886	1,178	0.18%	$38,955,527.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	607,417	-139,049	-18.63%	$36,353,908.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	579,950	61,434	11.85%	$34,710,008.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	525,567	222,876	73.63%	$31,455,185.00
EMERALD ADVISERS, LLC	31 Dec, 2025	458,525	339,118	284.00%	$27,442,721.00
Legal & General Group Plc	31 Dec, 2025	418,255	12,074	2.97%	$25,032,563.00
First Eagle Investment Management, LLC	31 Dec, 2025	366,867	-67,389	-15.52%	$21,956,990.00
Capital World Investors	31 Dec, 2025	333,098	333,098	0.00%	$19,935,915.00

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