Ceco Environmental CECO Institutional Ownership

NASDAQ CECO

$69.64 -0.96 (-1.36%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

347 Institutions

Increased 246 70.9%

Unchanged 30 8.6%

Reduced 71 20.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

120.22%

▲+32.44 pp QoQ

Shares Held by Institutions

52.07Mn

of 43.31Mn outstanding

▲+74.34% QoQ

Shares Outstanding

43.31Mn

-8.76Mn held outside 13F filers

Institutional Investors

347

filed 13F for Jun 2026

▲+83 vs prior quarter

Net Shares Added (QoQ)

+22.20Mn

accumulated since last quarter

Value of Holdings

$3.63Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Ceco Environmental Corp (NASDAQ:CECO) is held by 347 institutional investors per 13F filings through June 2026.

These investors collectively held 120.2% of Ceco Environmental's outstanding shares in June 2026, up from 87.8% in March 2026.
They increased total shares held in CECO by 74.34% quarter over quarter, and investors in Ceco Environmental increased 94.94% from a year ago.
During the quarter, 246 of these 347 funds increased positions in CECO, 71 reduced exposure, and 30 held steady.
The aggregate institutional position in Ceco Environmental amounted to 52.07Mn shares as of June 2026, up by 22.2Mn shares quarter on quarter, and up 22.81Mn shares year over year.
FMR LLC holds the largest position in CECO at 4.52Mn shares as of June 30, 2026, or 10.45% of shares outstanding.
Top purchasers of CECO stock for the quarter ending June 2026 included FMR LLC (2.2Mn), BlackRock, Inc. (2.04Mn), DIMENSIONAL FUND ADVISORS LP (1.28Mn), Divisadero Street Capital Management, LP (1.14Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.01Mn).
The largest sellers of Ceco Environmental for the quarter ending June 2026 were MARSHALL WACE, LLP (194.02K), OSTERWEIS CAPITAL MANAGEMENT INC (174.84K), MARTIN & CO INC /TN/ (138.06K), VOLORIDGE INVESTMENT MANAGEMENT, LLC (127.75K), Franklin Templeton Inc (126.26K).
Business Quant data shows the 10 biggest positions in Ceco Environmental as of June 2026 are held by FMR LLC (4.52Mn), BlackRock, Inc. (4.32Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.34Mn), DIMENSIONAL FUND ADVISORS LP (2.19Mn), T. Rowe Price Investment Management, Inc. (2.15Mn), AMERICAN CENTURY COMPANIES INC (2.09Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (1.56Mn), GEODE CAPITAL MANAGEMENT, LLC (1.46Mn), Divisadero Street Capital Management, LP (1.33Mn), State Street Corp (1.26Mn).

Form 13F Holdings

347 Institutional Holders

Report period 30 Jun, 2026

Total shares held 52.07Mn

Of outstanding 120.22%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	4,524,438	10.45%	▲2,195,550	+94.27%	$410.55Mn
2	BlackRock, Inc.	0002012383	4,323,986	9.98%	▲2,038,709	+89.21%	$392.36Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,339,252	5.40%	▲1,006,783	+75.56%	$212.26Mn
4	DIMENSIONAL FUND ADVISORS LP	0000354204	2,185,315	5.05%	▲1,282,024	+141.93%	$198.29Mn
5	T. Rowe Price Investment Management, Inc.	0001897612	2,153,953	4.97%	▲22,108	+1.04%	$195.45K
6	AMERICAN CENTURY COMPANIES INC	0000748054	2,088,421	4.82%	▲194,244	+10.25%	$189.50Mn
7	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	1,560,486	3.60%	▲920,594	+143.87%	$141.60Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,460,389	3.37%	▲604,256	+70.58%	$132.54Mn
9	Divisadero Street Capital Management, LP	0001901865	1,329,817	3.07%	▲1,142,217	+608.86%	$120.67Mn
10	State Street Corp	0000093751	1,264,690	2.92%	▲607,341	+92.39%	$114.76Mn
11	Capital World Investors	0001422849	1,157,200	2.67%	▲102,120	+9.68%	$105.00Mn
12	TWO SIGMA INVESTMENTS, LP	0001179392	1,013,412	2.34%	▲53,714	+5.60%	$91.96Mn
13	NEEDHAM INVESTMENT MANAGEMENT LLC	0001167212	957,500	2.21%	▲570,000	+147.10%	$86.88Mn
14	Jupiter Topco LLC	0002146052	949,904	2.19%	▲949,904	0.00%	$86.19Mn
15	ROYCE & ASSOCIATES LP	0000906304	842,317	1.94%	▲14,536	+1.76%	$76.43Mn
16	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	835,692	1.93%	▲814,322	+3,810.59%	$75.83K
17	EMERALD ADVISERS, LLC	0001015083	736,784	1.70%	▲213,767	+40.87%	$66.86Mn
18	KING LUTHER CAPITAL MANAGEMENT CORP	0000310051	716,925	1.66%	▼33,158	-4.42%	$65.05Mn
19	Invesco Ltd.	0000914208	667,929	1.54%	▲630,973	+1,707.36%	$60.61Mn
20	LORD, ABBETT & CO. LLC	0000728100	642,111	1.48%	▲227,711	+54.95%	$58.27K

Showing 1 to 20 of 347 holders