State of Wisconsin Investment Board’s Ceco Environmental CECO Stock Holding History

State of Wisconsin Investment Board’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	$2.04M	Buy	22,535 +15,161	+206%	+$1.2M	﹤0.01%	1476
2026 Q1	$439K	Buy	+7,374	New	+$474K	﹤0.01%	2065
2025 Q4	–	Sell	-10,121	Closed	-$518K	–	2401
2025 Q3	$518K	Sell	10,121 -4,767	-32%	-$202K	﹤0.01%	1876
2025 Q2	$421K	Sell	14,888 -10,925	-42%	-$272K	﹤0.01%	1939
2025 Q1	$589K	Sell	25,813 -4,236	-14%	-$113K	﹤0.01%	1695
2024 Q4	$908K	Sell	30,049 -9,315	-24%	-$265K	﹤0.01%	1563
2024 Q3	$1.11M	Buy	39,364 +29,000	+280%	+$816K	﹤0.01%	1529
2024 Q2	$299K	Buy	+10,364	New	+$251K	﹤0.01%	2032
2022 Q3	–	Sell	-29,400	Closed	-$176K	–	2699
2022 Q2	$176K	Buy	+29,400	New	+$163K	﹤0.01%	2530

Other funds holding CECO

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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 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 Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

State of Wisconsin Investment Board's CECO Position: Q2 2026 in Review

State of Wisconsin Investment Board increased its Ceco Environmental (CECO) stake by 206% in Q2 2026, buying an estimated $1.2M and bringing the position to 22,535 shares worth $2.04M. The position accounts for ﹤0.01% of the portfolio, ranked #1476.

State of Wisconsin Investment Board first reported a position in CECO in Q2 2022 and has held it in 9 quarters since. 342 funds tracked by Wall St. Rank hold CECO as of Q2 2026.

State of Wisconsin Investment Board held 22,535 shares of Ceco Environmental worth $2.04M as of Q2 2026.
State of Wisconsin Investment Board bought 15,161 Ceco Environmental shares in Q2 2026, an estimated $1.2M.
Ceco Environmental made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q2 2026, its #1476 holding.
State of Wisconsin Investment Board first reported a position in Ceco Environmental in Q2 2022 and has held it in 9 quarters since.
342 funds tracked by Wall St. Rank held Ceco Environmental as of Q2 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q2 2026, filed 14 Aug 2026.