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Thomas Steyer’s Ceco Environmental CECO Stock Holding History

Thomas Steyer’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
-234,000
Closed -$13.9M – 107
2026
Q1 		$13.9M Buy
+234,000
New +$15.1M 0.07% 62

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

Thomas Steyer's CECO Position: Q2 2026 in Review

Thomas Steyer sold out of Ceco Environmental (CECO) in Q2 2026, closing a stake of 234,000 shares — an estimated $13.9M sold.

Thomas Steyer first reported a position in CECO in Q1 2026 and held it in 1 quarter. The position peaked at $13.9M in Q1 2026. 341 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Thomas Steyer reported no remaining Ceco Environmental position as of Q2 2026 after selling out during the quarter.
  • Thomas Steyer sold 234,000 Ceco Environmental shares in Q2 2026, an estimated $13.9M.
  • Thomas Steyer first reported a position in Ceco Environmental in Q1 2026 and held it in 1 quarter.
  • Thomas Steyer's Ceco Environmental position peaked at $13.9M in Q1 2026.
  • 341 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

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