Janus Henderson Group
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Janus Henderson Group’s Ceco Environmental CECO Stock Holding History

Janus Henderson Group’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
Q1 		$54.1M Sell
907,782
-14,218
-2% -$915K 0.03% 393
2025
Q4 		$55.2M Buy
922,000
+1,898
+0.2% +$102K 0.02% 392
2025
Q3 		$47.1M Sell
920,102
-20,950
-2% -$887K 0.02% 423
2025
Q2 		$26.6M Buy
941,052
+300,573
+47% +$7.48M 0.01% 513
2025
Q1 		$15.2M Sell
640,479
-467
-0.1% -$12.4K 0.01% 628
2024
Q4 		$19.4M Sell
640,946
-8,862
-1% -$252K 0.01% 581
2024
Q3 		$18.3M Sell
649,808
-384
-0.1% -$10.8K 0.01% 592
2024
Q2 		$18.8M Buy
650,192
+2,202
+0.3% +$53.3K 0.01% 582
2024
Q1 		$14.9M Sell
647,990
-7,559
-1% -$156K 0.01% 615
2023
Q4 		$13.3M Buy
+655,549
New +$12M 0.01% 622

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
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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Janus Henderson Group's CECO Position: Q1 2026 in Review

Janus Henderson Group reduced its Ceco Environmental (CECO) stake by 1.5% in Q1 2026, selling an estimated $915K and leaving 907,782 shares worth $54.1M. The position accounts for 0.03% of the portfolio, ranked #393.

Janus Henderson Group first reported a position in CECO in Q4 2023 and has held it in 10 quarters since. The position peaked at $55.2M in Q4 2025. 265 funds tracked by Wall St. Rank hold CECO as of Q1 2026.

  • Janus Henderson Group held 907,782 shares of Ceco Environmental worth $54.1M as of Q1 2026.
  • Janus Henderson Group sold 14,218 Ceco Environmental shares in Q1 2026, an estimated $915K.
  • Ceco Environmental made up 0.03% of Janus Henderson Group's portfolio in Q1 2026, its #393 holding.
  • Janus Henderson Group first reported a position in Ceco Environmental in Q4 2023 and has held it in 10 quarters since.
  • Janus Henderson Group's Ceco Environmental position peaked at $55.2M in Q4 2025.
  • 265 funds tracked by Wall St. Rank held Ceco Environmental as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.