JY
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Jeff Yass’s Ceco Environmental CECO Stock Holding History

Jeff Yass’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 		$17.2M Buy
189,900
+180,300
+1,878% +$14.3M ﹤0.01% 2638
2026
Q1 		$572K Buy
+9,600
New +$618K ﹤0.01% 9317
2025
Q4 		– Sell
-16,200
Closed -$829K – 12444
2025
Q3 		$829K Buy
+16,200
New +$686K ﹤0.01% 7796
2024
Q2 		– Sell
-16,900
Closed -$389K – 12112
2024
Q1 		$389K Sell
16,900
-900
-5% -$18.5K ﹤0.01% 9093
2023
Q4 		$361K Buy
+17,800
New +$324K ﹤0.01% 9429
2023
Q2 		– Sell
-11,400
Closed -$159K – 12141
2023
Q1 		$159K Buy
+11,400
New +$161K ﹤0.01% 10854
2021
Q2 		– Sell
-14,400
Closed -$114K – 12597
2021
Q1 		$114K Buy
+14,400
New +$114K ﹤0.01% 11791
2020
Q2 		– Sell
-13,000
Closed -$61K – 10175
2020
Q1 		$61K Sell
13,000
-17,000
-57% -$115K ﹤0.01% 9584
2019
Q4 		$230K Buy
+30,000
New +$224K ﹤0.01% 8511
2019
Q2 		– Sell
-11,200
Closed -$81K – 10247
2019
Q1 		$81K Sell
11,200
-7,200
-39% -$52.2K ﹤0.01% 8322
2018
Q4 		$124K Buy
+18,400
New +$141K ﹤0.01% 8105
2017
Q2 		– Sell
-14,000
Closed -$147K – 9228
2017
Q1 		$147K Buy
+14,000
New +$169K ﹤0.01% 8209
2016
Q1 		– Sell
-17,600
Closed -$135K – 9036
2015
Q4 		$135K Buy
17,600
+5,400
+44% +$45.7K ﹤0.01% 8716
2015
Q3 		$100K Buy
+12,200
New +$114K ﹤0.01% 9134

Other funds holding CECO

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
American Century Companies
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
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Jeff Yass's CECO Position: Q2 2026 in Review

Jeff Yass increased its Ceco Environmental (CECO) stake by 83% in Q2 2026, buying an estimated $2.73M and bringing the position to 76,176 shares worth $6.91M. The position accounts for ﹤0.01% of the portfolio, ranked #4017.

Jeff Yass first reported a position in CECO in Q4 2014 and has held it in 31 quarters since. 342 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Jeff Yass held 76,176 shares of Ceco Environmental worth $6.91M as of Q2 2026.
  • Jeff Yass bought 34,479 Ceco Environmental shares in Q2 2026, an estimated $2.73M.
  • Ceco Environmental made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #4017 holding.
  • Jeff Yass first reported a position in Ceco Environmental in Q4 2014 and has held it in 31 quarters since.
  • 342 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.