Fuel Tech
FTEK
46 hedge funds and large institutions have $9.22M invested in Fuel Tech in 2026 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 8 increasing their positions, 13 reducing their positions, and 7 closing their positions.
43% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 7
2% more funds holding
Funds holding: 45 → 46 (+1)
0.27% more ownership
Funds ownership: 24.35% → 24.62% (+0.27%)
22% less capital invested
Capital invested by funds: $11.8M → $9.22M (-$2.57M)
38% less repeat investments, than reductions
Existing positions increased: 8 | Existing positions reduced: 13
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $36K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Renaissance Technologies
New York
|
+$360K |
| 2 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$297K |
| 3 |
PLC
Peapod Lane Capital
Bedford Hills,
New York
|
+$165K |
| 4 |
Two Sigma Investments
New York
|
+$155K |
| 5 |
GWI
Grace & White Inc
Ny,
New York
|
+$76.8K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$392K |
| 2 |
Jane Street
New York
|
-$263K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$136K |
| 4 |
XT
XTX Topco
George Town,
Cayman Islands
|
-$83.3K |
| 5 |
Marshall Wace
London,
United Kingdom
|
-$82.1K |
FTEK Hedge Fund Activity: Q1 2026 in Review
46 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Fuel Tech (FTEK) for Q1 2026, worth a combined $9.22M — down 22% from $11.8M a quarter earlier.
Buyers outnumbered sellers: 10 funds opened new FTEK positions and 7 closed out — a net gain of 3 holders — while 8 added to existing stakes and 13 trimmed.
The largest buyer was Renaissance Technologies, adding an estimated $360K. The largest seller was Citadel Advisors, cutting an estimated $392K.
- 46 institutional investors held Fuel Tech (FTEK) as of Q1 2026, up from 45 in Q4 2025.
- Funds reported $9.22M of Fuel Tech stock for Q1 2026, down 22% quarter-over-quarter.
- 10 funds opened new Fuel Tech positions in Q1 2026 and 7 closed out, a net change of +3 holders.
- The largest Fuel Tech buyer in Q1 2026 was Renaissance Technologies, an estimated $360K added.
- The largest Fuel Tech seller in Q1 2026 was Citadel Advisors, an estimated $392K sold.
Based on aggregated 13F filings for Q1 2026.