JANE STREET GROUP, LLC

Holdings History for CECO ENVIRONMENTAL CORP - Common Stock, $0.01 par value (CECO)

Symbol: CECO on Nasdaq
Investment type: Equity / Common Stock, $0.01 par value

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.01%	-0.02%	$5,315,876	88,820	-229,014	-72%	$59.85	Q4 2025
30 Sep 2025	0.02%	+0.02%	$16,273,101	317,834	+257,581	+427%	$51.20	Q3 2025
30 Jun 2025	0%	+0%	$1,705,762	60,253	+14,323	+31%	$28.31	Q2 2025
31 Mar 2025	0%	+0%	$1,047,204	45,930	+45,930	NEW	$22.80	Q1 2025
31 Dec 2024		-0%	$0	0	-28,256	-100%	$63.32	Q4 2024
30 Sep 2024	0%	-0%	$796,819	28,256	-9,806	-26%	$28.20	Q3 2024
30 Jun 2024	0%	+0%	$1,098,088	38,062	+1,346	+3.7%	$28.85	Q2 2024
31 Mar 2024	0%	+0%	$845,202	36,716	+12,027	+49%	$23.02	Q1 2024
31 Dec 2023	0%	+0%	$500,693	24,689	+24,689	NEW	$20.28	Q4 2023
30 Sep 2023		-0%	$0	0	-14,453	-100%	$63.32	Q3 2023
30 Jun 2023	0%	-0%	$193,092	14,453	-158,938	-92%	$13.36	Q2 2023
31 Mar 2023	0%	+0%	$2,425,740	173,391	+132,060	+320%	$13.99	Q1 2023
31 Dec 2022	0%	+0%	$482,746	41,331	+41,331	NEW	$11.68	Q4 2022
30 Jun 2021		-0%	$0	0	-10,238	-100%	$63.32	Q2 2021
31 Mar 2021	0%	+0%	$81,000	10,238	+10,238	NEW	$7.91	Q1 2021

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.