Assenagon Asset Management
CECO icon

Assenagon Asset Management’s Ceco Environmental CECO Stock Holding History

Assenagon Asset 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 		$19.9M Buy
+219,789
New +$17.4M 0.02% 402
2025
Q3 		– Sell
-49,515
Closed -$1.4M – 1186
2025
Q2 		$1.4M Hold
49,515
– – ﹤0.01% 857
2025
Q1 		$1.13M Hold
49,515
– – ﹤0.01% 874
2024
Q4 		$1.5M Sell
49,515
-1,478
-3% -$42K ﹤0.01% 1019
2024
Q3 		$1.44M Sell
50,993
-50,592
-50% -$1.42M ﹤0.01% 1050
2024
Q2 		$2.93M Buy
101,585
+34,412
+51% +$833K 0.01% 785
2024
Q1 		$1.55M Hold
67,173
– – ﹤0.01% 962
2023
Q4 		$1.36M Sell
67,173
-102,254
-60% -$1.86M ﹤0.01% 1028
2023
Q3 		$2.71M Sell
169,427
-438,512
-72% -$6M 0.01% 749
2023
Q2 		$8.12M Buy
607,939
+21,407
+4% +$266K 0.03% 395
2023
Q1 		$8.21M Buy
586,532
+379,769
+184% +$5.37M 0.03% 432
2022
Q4 		$2.42M Sell
206,763
-47,312
-19% -$536K 0.01% 750
2022
Q3 		$2.25M Buy
254,075
+189,383
+293% +$1.62M 0.01% 672
2022
Q2 		$387K Buy
+64,692
New +$358K ﹤0.01% 1276
2021
Q4 		– Sell
-88,610
Closed -$624K – 1444
2021
Q3 		$624K Buy
+88,610
New +$629K ﹤0.01% 1018
2019
Q4 		– Sell
-99,900
Closed -$698K – 783
2019
Q3 		$698K Sell
99,900
-34,700
-26% -$277K ﹤0.01% 635
2019
Q2 		$1.29M Sell
134,600
-700
-0.5% -$5.99K 0.01% 653
2019
Q1 		$974K Buy
135,300
+70,042
+107% +$508K 0.01% 691
2018
Q4 		$440K Buy
+65,258
New +$500K 0.01% 842

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

Assenagon Asset Management's CECO Position: Q2 2026 in Review

Assenagon Asset Management opened a new position in Ceco Environmental (CECO) in Q2 2026: 219,789 shares worth $19.9M. The stake represents 0.02% of the portfolio and ranks #402 among its holdings. This is a return to the name: Assenagon Asset Management previously reported a position in CECO as recently as Q2 2025.

Assenagon Asset Management first reported a position in CECO in Q4 2018 and has held it in 19 quarters since. 342 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Assenagon Asset Management held 219,789 shares of Ceco Environmental worth $19.9M as of Q2 2026.
  • Ceco Environmental was a new Assenagon Asset Management position in Q2 2026.
  • Ceco Environmental made up 0.02% of Assenagon Asset Management's portfolio in Q2 2026, its #402 holding.
  • Assenagon Asset Management first reported a position in Ceco Environmental in Q4 2018 and has held it in 19 quarters since.
  • 342 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on Assenagon Asset Management's 13F filing for Q2 2026, filed 8 Jul 2026.