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Driehaus Capital Management’s Ceco Environmental CECO Stock Holding History

Driehaus Capital Management’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 		$142M Buy
1,560,486
+920,594
+144% +$72.8M 0.82% 20
2026
Q1 		$38.1M Buy
639,892
+59,942
+10% +$3.86M 0.28% 123
2025
Q4 		$34.7M Buy
579,950
+61,434
+12% +$3.29M 0.24% 139
2025
Q3 		$26.5M Sell
518,516
-91,532
-15% -$3.87M 0.19% 174
2025
Q2 		$17.3M Buy
610,048
+28,368
+5% +$706K 0.14% 195
2025
Q1 		$13.3M Sell
581,680
-2,186
-0.4% -$58.3K 0.13% 205
2024
Q4 		$17.7M Sell
583,866
-6,635
-1% -$189K 0.15% 184
2024
Q3 		$16.7M Buy
590,501
+4,252
+0.7% +$120K 0.14% 193
2024
Q2 		$16.9M Buy
586,249
+159,485
+37% +$3.86M 0.16% 170
2024
Q1 		$9.82M Buy
426,764
+50,961
+14% +$1.05M 0.1% 237
2023
Q4 		$7.62M Buy
+375,803
New +$6.85M 0.09% 244

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
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
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return

Driehaus Capital Management's CECO Position: Q2 2026 in Review

Driehaus Capital Management increased its Ceco Environmental (CECO) stake by 144% in Q2 2026, buying an estimated $72.8M and bringing the position to 1,560,486 shares worth $142M. The position accounts for 0.82% of the portfolio, ranked #20.

Driehaus Capital Management first reported a position in CECO in Q4 2023 and has held it in 11 quarters since. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Driehaus Capital Management held 1,560,486 shares of Ceco Environmental worth $142M as of Q2 2026.
  • Driehaus Capital Management bought 920,594 Ceco Environmental shares in Q2 2026, an estimated $72.8M.
  • Ceco Environmental made up 0.82% of Driehaus Capital Management's portfolio in Q2 2026, its #20 holding.
  • Driehaus Capital Management first reported a position in Ceco Environmental in Q4 2023 and has held it in 11 quarters since.
  • 343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on Driehaus Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.