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Dark Forest Capital Management’s Ceco Environmental CECO Stock Holding History

Dark Forest 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 		– Sell
-13,083
Closed -$779K – 822
2026
Q1 		$779K Buy
+13,083
New +$842K 0.07% 442
2025
Q2 		– Sell
-37,806
Closed -$862K – 1217
2025
Q1 		$862K Buy
+37,806
New +$1.01M 0.04% 760
2023
Q2 		– Sell
-1,668
Closed -$23.3K – 1076
2023
Q1 		$23.3K Buy
+1,668
New +$23.6K 0.01% 950

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

Dark Forest Capital Management's CECO Position: Q2 2026 in Review

Dark Forest Capital Management sold out of Ceco Environmental (CECO) in Q2 2026, closing a stake of 13,083 shares — an estimated $779K sold.

Dark Forest Capital Management first reported a position in CECO in Q1 2023 and held it in 3 quarters. The position peaked at $862K in Q1 2025. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Dark Forest Capital Management reported no remaining Ceco Environmental position as of Q2 2026 after selling out during the quarter.
  • Dark Forest Capital Management sold 13,083 Ceco Environmental shares in Q2 2026, an estimated $779K.
  • Dark Forest Capital Management first reported a position in Ceco Environmental in Q1 2023 and held it in 3 quarters.
  • Dark Forest Capital Management's Ceco Environmental position peaked at $862K in Q1 2025.
  • 343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

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