Wellington Management Group
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Wellington Management Group’s Ceco Environmental CECO Stock Holding History

Wellington Management 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 		– Sell
-607,417
Closed -$36.4M – 1893
2025
Q4 		$36.4M Sell
607,417
-139,049
-19% -$7.44M 0.01% 828
2025
Q3 		$38.2M Sell
746,466
-155,136
-17% -$6.57M 0.01% 816
2025
Q2 		$25.5M Buy
901,602
+359,622
+66% +$8.96M ﹤0.01% 880
2025
Q1 		$12.4M Buy
541,980
+231,613
+75% +$6.17M ﹤0.01% 1145
2024
Q4 		$9.38M Sell
310,367
-39,100
-11% -$1.11M ﹤0.01% 1209
2024
Q3 		$9.85M Sell
349,467
-156,079
-31% -$4.39M ﹤0.01% 1179
2024
Q2 		$14.6M Sell
505,546
-75,700
-13% -$1.83M ﹤0.01% 1039
2024
Q1 		$13.4M Hold
581,246
– – ﹤0.01% 1047
2023
Q4 		$11.8M Sell
581,246
-47,900
-8% -$873K ﹤0.01% 1065
2023
Q3 		$10M Buy
629,146
+459,646
+271% +$6.29M ﹤0.01% 1105
2023
Q2 		$2.26M Buy
+169,500
New +$2.11M ﹤0.01% 1463
2016
Q2 		– Sell
-160,870
Closed -$999K – 2093
2016
Q1 		$999K Sell
160,870
-139,694
-46% -$946K ﹤0.01% 1808
2015
Q4 		$2.31M Sell
300,564
-81,474
-21% -$689K ﹤0.01% 1586
2015
Q3 		$3.13M Sell
382,038
-21,115
-5% -$198K ﹤0.01% 1488
2015
Q2 		$4.57M Buy
403,153
+161,127
+67% +$1.84M ﹤0.01% 1429
2015
Q1 		$2.57M Buy
+242,026
New +$3.28M ﹤0.01% 1624

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
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 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

Wellington Management Group's CECO Position: Q1 2026 in Review

Wellington Management Group sold out of Ceco Environmental (CECO) in Q1 2026, closing a stake of 607,417 shares — an estimated $36.4M sold.

Wellington Management Group first reported a position in CECO in Q1 2015 and held it in 16 quarters. The position peaked at $38.2M in Q3 2025. 265 funds tracked by Wall St. Rank hold CECO as of Q1 2026.

  • Wellington Management Group reported no remaining Ceco Environmental position as of Q1 2026 after selling out during the quarter.
  • Wellington Management Group sold 607,417 Ceco Environmental shares in Q1 2026, an estimated $36.4M.
  • Wellington Management Group first reported a position in Ceco Environmental in Q1 2015 and held it in 16 quarters.
  • Wellington Management Group's Ceco Environmental position peaked at $38.2M in Q3 2025.
  • 265 funds tracked by Wall St. Rank held Ceco Environmental as of Q1 2026.

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