Ceco Environmental CECO Institutional Ownership

NASDAQ CECO

$58.71 +0.02 (+0.03%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

345 Institutions

Increased 246 71.3%

Unchanged 28 8.1%

Reduced 71 20.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

88.34%

▲+0.92 pp QoQ

Shares Held by Institutions

51.63Mn

of 58.44Mn outstanding

▲+64.79% QoQ

Shares Outstanding

58.44Mn

6.82Mn held outside 13F filers

Institutional Investors

345

filed 13F for Jun 2026

▲+82 vs prior quarter

Net Shares Added (QoQ)

+20.30Mn

accumulated since last quarter

Value of Holdings

$2.96Bn

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

Updated Oct 11, 2026

Ceco Environmental Corp (NASDAQ:CECO) appeared in the 13F filings of 344 institutional investors for the quarter ended June 30, 2026.

These investors held 88.34% of Ceco Environmental's outstanding shares at the end of Q2 2026, up from 87.41% in Q1 2026.
Total holdings of Ceco Environmental shares rose 64.79% from Q1 2026, and the number of holders rose 95.45% from Q2 2025.
Looking at the 344 holders of CECO individually, 245 added to their positions, 71 reduced their stakes and 28 left their positions unchanged.
Institutional investors held 51.63Mn shares of Ceco Environmental in total at the end of Q2 2026, up 20.3Mn from the prior quarter and up 22.37Mn from a year earlier.
FMR LLC was the top holder of Ceco Environmental as of June 30, 2026, with 4.52Mn shares, or 7.74% of shares outstanding.
Among existing holders, the largest additions to Ceco Environmental in Q2 2026 came from FMR LLC (+2.2Mn shares), BlackRock, Inc. (+2.04Mn shares), Dimensional Fund Advisors LP (+1.28Mn shares), Divisadero Street Capital Management, LP (+1.14Mn shares) and Vanguard Capital Management LLC (+1.01Mn shares).
On the other side, among holders that kept a position in Ceco Environmental, the largest reductions in Q2 2026 came from Marshall Wace, LLP (-194.02K shares), Osterweis Capital Management Inc (-174.84K shares), Martin & Co Inc (-138.06K shares), Voloridge Investment Management, LLC (-127.75K shares) and Franklin Templeton Inc (-126.26K shares).
Business Quant data shows the 10 biggest positions in Ceco Environmental as of Q2 2026 were held by FMR LLC (4.52Mn shares), BlackRock, Inc. (4.32Mn shares), Vanguard Capital Management LLC (2.34Mn shares), Dimensional Fund Advisors LP (2.19Mn shares), T. Rowe Price Investment Management, Inc. (2.15Mn shares), American Century Companies Inc (2.09Mn shares), Driehaus Capital Management LLC (1.56Mn shares), Geode Capital Management, LLC (1.46Mn shares), Divisadero Street Capital Management, LP (1.33Mn shares) and State Street Corp (1.26Mn shares).

Form 13F Holdings

347 Institutional Holders

Report period 30 Jun, 2026

Total shares held 51.63Mn

Of outstanding 88.34%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	4,524,438	7.74%	▲2,195,550	+94.27%	$410.55Mn
2	BlackRock, Inc.	0002012383	4,323,986	7.40%	▲2,038,709	+89.21%	$392.36Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,339,252	4.00%	▲1,006,783	+75.56%	$212.26Mn
4	DIMENSIONAL FUND ADVISORS LP	0000354204	2,185,315	3.74%	▲1,282,024	+141.93%	$198.29Mn
5	T. Rowe Price Investment Management, Inc.	0001897612	2,153,953	3.69%	▲22,108	+1.04%	$195.45K
6	AMERICAN CENTURY COMPANIES INC	0000748054	2,088,421	3.57%	▲194,244	+10.25%	$189.50Mn
7	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	1,560,486	2.67%	▲920,594	+143.87%	$141.60Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,460,389	2.50%	▲604,256	+70.58%	$132.54Mn
9	Divisadero Street Capital Management, LP	0001901865	1,329,817	2.28%	▲1,142,217	+608.86%	$120.67Mn
10	State Street Corp	0000093751	1,264,690	2.16%	▲607,341	+92.39%	$114.76Mn
11	Capital World Investors	0001422849	1,157,200	1.98%	▲102,120	+9.68%	$105.00Mn
12	TWO SIGMA INVESTMENTS, LP	0001179392	1,013,412	1.73%	▲53,714	+5.60%	$91.96Mn
13	NEEDHAM INVESTMENT MANAGEMENT LLC	0001167212	957,500	1.64%	▲570,000	+147.10%	$86.88Mn
14	Jupiter Topco LLC	0002146052	949,904	1.63%	▲949,904	0.00%	$86.19Mn
15	ROYCE & ASSOCIATES LP	0000906304	842,317	1.44%	▲14,536	+1.76%	$76.43Mn
16	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	835,692	1.43%	▲814,322	+3,810.59%	$75.83K
17	EMERALD ADVISERS, LLC	0001015083	736,784	1.26%	▲213,767	+40.87%	$66.86Mn
18	KING LUTHER CAPITAL MANAGEMENT CORP	0000310051	716,925	1.23%	▼33,158	-4.42%	$65.05Mn
19	Invesco Ltd.	0000914208	667,929	1.14%	▲630,973	+1,707.36%	$60.61Mn
20	LORD, ABBETT & CO. LLC	0000728100	642,111	1.10%	▲227,711	+54.95%	$58.27K

Showing 1 to 20 of 347 holders