Marshall Wace
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Marshall Wace’s Ceco Environmental CECO Stock Holding History

Marshall Wace’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 		$5.25M Sell
57,886
-194,018
-77% -$15.3M ﹤0.01% 1350
2026
Q1 		$15M Buy
251,904
+244,104
+3,130% +$15.7M 0.01% 804
2025
Q4 		$467K Sell
7,800
-27,199
-78% -$1.45M ﹤0.01% 2263
2025
Q3 		$1.79M Buy
+34,999
New +$1.48M ﹤0.01% 1670
2024
Q2 		– Sell
-82,860
Closed -$1.91M – 2582
2024
Q1 		$1.91M Buy
82,860
+39,616
+92% +$816K ﹤0.01% 1387
2023
Q4 		$877K Sell
43,244
-18,579
-30% -$339K ﹤0.01% 1520
2023
Q3 		$987K Sell
61,823
-3,917
-6% -$53.6K ﹤0.01% 1505
2023
Q2 		$878K Sell
65,740
-13,804
-17% -$172K ﹤0.01% 1772
2023
Q1 		$1.11M Sell
79,544
-172,594
-68% -$2.44M ﹤0.01% 1758
2022
Q4 		$2.94M Sell
252,138
-33,030
-12% -$374K 0.01% 1518
2022
Q3 		$2.52M Buy
285,168
+136,770
+92% +$1.17M 0.01% 1859
2022
Q2 		$887K Buy
+148,398
New +$822K ﹤0.01% 2512
2020
Q1 		– Sell
-43,279
Closed -$332K – 1659
2019
Q4 		$332K Buy
43,279
+120
+0.3% +$897 ﹤0.01% 1248
2019
Q3 		$302K Buy
+43,159
New +$345K ﹤0.01% 1198
2019
Q2 		– Sell
-32,306
Closed -$233K – 1402
2019
Q1 		$233K Buy
+32,306
New +$234K ﹤0.01% 1306

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

Marshall Wace's CECO Position: Q2 2026 in Review

Marshall Wace reduced its Ceco Environmental (CECO) stake by 77% in Q2 2026, selling an estimated $15.3M and leaving 57,886 shares worth $5.25M. The position accounts for ﹤0.01% of the portfolio, ranked #1350.

Marshall Wace first reported a position in CECO in Q1 2019 and has held it in 15 quarters since. The position peaked at $15M in Q1 2026. 343 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

  • Marshall Wace held 57,886 shares of Ceco Environmental worth $5.25M as of Q2 2026.
  • Marshall Wace sold 194,018 Ceco Environmental shares in Q2 2026, an estimated $15.3M.
  • Ceco Environmental made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #1350 holding.
  • Marshall Wace first reported a position in Ceco Environmental in Q1 2019 and has held it in 15 quarters since.
  • Marshall Wace's Ceco Environmental position peaked at $15M in Q1 2026.
  • 343 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.