Ceco Environmental
CECO
265 hedge funds and large institutions have $1.88B invested in Ceco Environmental in 2026 Q1 according to their latest regulatory filings, with 64 funds opening new positions, 88 increasing their positions, 80 reducing their positions, and 25 closing their positions.
156% more first-time investments, than exits
New positions opened: 64 | Existing positions closed: 25
150% more funds holding in top 10
Funds holding in top 10: 2 → 5 (+3)
121% more call options, than puts
Call options by funds: $3.22M | Put options by funds: $1.45M
15% more funds holding
Funds holding: 230 → 265 (+35)
10% more repeat investments, than reductions
Existing positions increased: 88 | Existing positions reduced: 80
6% more capital invested
Capital invested by funds: $1.76B → $1.88B (+$113M)
5.75% more ownership
Funds ownership: 82.64% → 88.39% (+5.8%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$90.9M |
| 2 |
Capital World Investors
Los Angeles,
California
|
+$46.4M |
| 3 |
Two Sigma Investments
New York
|
+$27.9M |
| 4 |
IH
IES Holdings
Houston,
Texas
|
+$18.3M |
| 5 |
Rockefeller Capital Management
New York
|
+$16.4M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital International Investors
Los Angeles,
California
|
-$43.2M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
-$42.3M |
| 3 |
Wellington Management Group
Boston,
Massachusetts
|
-$36.4M |
| 4 |
Luther King Capital Management (LKCM)
Fort Worth,
Texas
|
-$12.9M |
| 5 |
CM
Castleark Management
Chicago,
Illinois
|
-$9.37M |
CECO Hedge Fund Activity: Q1 2026 in Review
265 of the 8,186 institutional investors tracked by Wall St. Rank reported a position in Ceco Environmental (CECO) for Q1 2026, worth a combined $1.88B — up 6.4% from $1.76B a quarter earlier.
Buyers outnumbered sellers: 64 funds opened new CECO positions and 25 closed out — a net gain of 39 holders — while 88 added to existing stakes and 80 trimmed.
The largest buyer was T. Rowe Price Investment Management, adding an estimated $90.9M. The largest seller was Capital International Investors, exiting entirely with an estimated $43.2M sold.
- 265 institutional investors held Ceco Environmental (CECO) as of Q1 2026, up from 230 in Q4 2025.
- Funds reported $1.88B of Ceco Environmental stock for Q1 2026, up 6.4% quarter-over-quarter.
- 64 funds opened new Ceco Environmental positions in Q1 2026 and 25 closed out, a net change of +39 holders.
- The largest Ceco Environmental buyer in Q1 2026 was T. Rowe Price Investment Management, an estimated $90.9M added.
- The largest Ceco Environmental seller in Q1 2026 was Capital International Investors, an estimated $43.2M sold.
Based on aggregated 13F filings for Q1 2026.