Cookson Peirce & Co
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Cookson Peirce & Co’s Ceco Environmental CECO Stock Holding History

Cookson Peirce & Co’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
Q3 		– Sell
-27,555
Closed -$2.5M – 337
2026
Q2 		$2.5M Buy
27,555
+2,962
+12% +$234K 0.08% 112
2026
Q1 		$1.47M Buy
24,593
+1,008
+4% +$64.8K 0.06% 149
2025
Q4 		$1.41M Buy
+23,585
New +$1.26M 0.06% 145

Other funds holding CECO

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
American Century Companies
American Century Companies Kansas City, Missouri $229B AUM 33.35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
Thrivent Financial for Lutherans
Thrivent Financial for Lutherans Minneapolis, Minnesota $61B AUM 26.91% 1-Year Est. Return
Royce & Associates
Royce & Associates New York $11B AUM 39.4% 1-Year Est. Return

Cookson Peirce & Co's CECO Position: Q3 2026 in Review

Cookson Peirce & Co sold out of Ceco Environmental (CECO) in Q3 2026, closing a stake of 27,555 shares — an estimated $2.5M sold.

Cookson Peirce & Co first reported a position in CECO in Q4 2025 and held it in 3 quarters. The position peaked at $2.5M in Q2 2026. 262 funds tracked by Wall St. Rank hold CECO as of Q3 2026.

  • Cookson Peirce & Co reported no remaining Ceco Environmental position as of Q3 2026 after selling out during the quarter.
  • Cookson Peirce & Co sold 27,555 Ceco Environmental shares in Q3 2026, an estimated $2.5M.
  • Cookson Peirce & Co first reported a position in Ceco Environmental in Q4 2025 and held it in 3 quarters.
  • Cookson Peirce & Co's Ceco Environmental position peaked at $2.5M in Q2 2026.
  • 262 funds tracked by Wall St. Rank held Ceco Environmental as of Q3 2026.

Based on Cookson Peirce & Co's 13F filing for Q3 2026, filed 30 Oct 2026.