Ceco Environmental
CECO
225 hedge funds and large institutions have $1.47B invested in Ceco Environmental in 2025 Q3 according to their latest regulatory filings, with 65 funds opening new positions, 54 increasing their positions, 77 reducing their positions, and 18 closing their positions.
261% more first-time investments, than exits
New positions opened: 65 | Existing positions closed: 18
100% more funds holding in top 10
Funds holding in top 10: 2 → 4 (+2)
76% more capital invested
Capital invested by funds: $836M → $1.47B (+$633M)
26% more funds holding
Funds holding: 179 → 225 (+46)
2.53% less ownership
Funds ownership: 83.76% → 81.22% (-2.5%)
23% less call options, than puts
Call options by funds: $1.01M | Put options by funds: $1.31M
30% less repeat investments, than reductions
Existing positions increased: 54 | Existing positions reduced: 77
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
American Century Companies
Kansas City,
Missouri
|
+$52.9M |
| 2 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$14.9M |
| 3 |
Two Sigma Investments
New York
|
+$12.5M |
| 4 |
Jane Street
New York
|
+$10.9M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$9.24M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
HRCM
Hood River Capital Management
Palm Beach Gardens,
Florida
|
-$61.3M |
| 2 |
VOYA Investment Management
Atlanta,
Georgia
|
-$13.3M |
| 3 |
Capital International Investors
Los Angeles,
California
|
-$12.5M |
| 4 |
Thrivent Financial for Lutherans
Minneapolis,
Minnesota
|
-$11.2M |
| 5 |
William Blair Investment Management
Chicago,
Illinois
|
-$11M |
CECO Hedge Fund Activity: Q3 2025 in Review
225 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Ceco Environmental (CECO) for Q3 2025, worth a combined $1.47B — up 76% from $836M a quarter earlier.
Buyers outnumbered sellers: 65 funds opened new CECO positions and 18 closed out — a net gain of 47 holders — while 54 added to existing stakes and 77 trimmed.
The largest buyer was American Century Companies, adding an estimated $52.9M. The largest seller was Hood River Capital Management, cutting an estimated $61.3M.
- 225 institutional investors held Ceco Environmental (CECO) as of Q3 2025, up from 179 in Q2 2025.
- Funds reported $1.47B of Ceco Environmental stock for Q3 2025, up 76% quarter-over-quarter.
- 65 funds opened new Ceco Environmental positions in Q3 2025 and 18 closed out, a net change of +47 holders.
- The largest Ceco Environmental buyer in Q3 2025 was American Century Companies, an estimated $52.9M added.
- The largest Ceco Environmental seller in Q3 2025 was Hood River Capital Management, an estimated $61.3M sold.
Based on aggregated 13F filings for Q3 2025.