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Needham Investment Management’s Ceco Environmental CECO Stock Holding History

Needham Investment 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 		$86.9M Buy
957,500
+570,000
+147% +$45.1M 2.61% 9
2026
Q1 		$23.1M Buy
387,500
+89,000
+30% +$5.73M 1.18% 23
2025
Q4 		$17.9M Buy
298,500
+123,500
+71% +$6.61M 1.13% 28
2025
Q3 		$8.96M Buy
+175,000
New +$7.41M 0.63% 50

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

Needham Investment Management's CECO Position: Q2 2026 in Review

Needham Investment Management increased its Ceco Environmental (CECO) stake by 147% in Q2 2026, buying an estimated $45.1M and bringing the position to 957,500 shares worth $86.9M. The position accounts for 2.61% of the portfolio, ranked #9.

Needham Investment Management first reported a position in CECO in Q3 2025 and has held it in 4 quarters since. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Needham Investment Management held 957,500 shares of Ceco Environmental worth $86.9M as of Q2 2026.
  • Needham Investment Management bought 570,000 Ceco Environmental shares in Q2 2026, an estimated $45.1M.
  • Ceco Environmental made up 2.61% of Needham Investment Management's portfolio in Q2 2026, its #9 holding.
  • Needham Investment Management first reported a position in Ceco Environmental in Q3 2025 and has held it in 4 quarters since.
  • 343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

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