CSS LLC’s Ceco Environmental CECO Stock Holding History

CSS LLC’s Portfolio CECO Stock Details CECO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.41M	Buy	+15,531	New	+$1.23M	0.05%	248
2020 Q1	–	Sell	-10,478	Closed	-$80K	–	635
2019 Q4	$80K	Sell	10,478 -18,305	-64%	-$137K	﹤0.01%	576
2019 Q3	$201K	Hold	28,783	–	–	0.01%	444
2019 Q2	$276K	Hold	28,783	–	–	0.02%	390
2019 Q1	$207K	Hold	28,783	–	–	0.01%	426
2018 Q4	$194K	Hold	28,783	–	–	0.01%	400
2018 Q3	$227K	Hold	28,783	–	–	0.01%	413
2018 Q2	$177K	Hold	28,783	–	–	0.01%	422
2018 Q1	$128K	Hold	28,783	–	–	0.01%	454
2017 Q4	$148K	Hold	28,783	–	–	0.01%	512
2017 Q3	$244K	Hold	28,783	–	–	0.01%	471
2017 Q2	$264K	Hold	28,783	–	–	0.01%	462
2017 Q1	$303K	Hold	28,783	–	–	0.02%	416
2016 Q4	$402K	Sell	28,783 -9,500	-25%	-$116K	0.02%	380
2016 Q3	$432K	Sell	38,283 -2,000	-5%	-$20.3K	0.02%	403
2016 Q2	$352K	Hold	40,283	–	–	0.02%	436
2016 Q1	$250K	Sell	40,283 -4,082	-9%	-$27.7K	0.02%	483
2015 Q4	$341K	Sell	44,365 -50,548	-53%	-$428K	0.02%	440
2015 Q3	$777K	Buy	94,913 +64,351	+211%	+$603K	0.05%	289
2015 Q2	$346K	Sell	30,562 -13,914	-31%	-$159K	0.02%	527
2015 Q1	$472K	Hold	44,476	–	–	0.02%	443
2014 Q4	$691K	Hold	44,476	–	–	0.03%	370
2014 Q3	$596K	Sell	44,476 -17,429	-28%	-$248K	0.03%	430
2014 Q2	$965K	Hold	61,905	–	–	0.04%	332
2014 Q1	$1.03M	Buy	61,905 +17,429	+39%	+$287K	0.05%	269
2013 Q4	$718K	Buy	+44,476	New	+$719K	0.03%	335

Other funds holding CECO

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

DCM

Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

DSCM

Divisadero Street Capital Management Miami, Florida $4.41B AUM 90.53% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

CSS LLC's CECO Position: Q2 2026 in Review

CSS LLC opened a new position in Ceco Environmental (CECO) in Q2 2026: 15,531 shares worth $1.41M. The stake represents 0.05% of the portfolio and ranks #248 among its holdings. This is a return to the name: CSS LLC previously reported a position in CECO as recently as Q4 2019.

CSS LLC first reported a position in CECO in Q4 2013 and has held it in 26 quarters since. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

CSS LLC held 15,531 shares of Ceco Environmental worth $1.41M as of Q2 2026.
Ceco Environmental was a new CSS LLC position in Q2 2026.
Ceco Environmental made up 0.05% of CSS LLC's portfolio in Q2 2026, its #248 holding.
CSS LLC first reported a position in Ceco Environmental in Q4 2013 and has held it in 26 quarters since.
343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on CSS LLC's 13F filing for Q2 2026, filed 14 Aug 2026.