Position in FTEK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$290,456
+$93,647 QoQ
Shares Held
238,079
+88.7% QoQ
Ownership
0.764%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
3 quarters on record
Voting authority
Sole 99%
Shared 0%
None 1%
Common Shares in FTEK Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026TWO SIGMA INVESTMENTS, LP holds $75,047,961 across 8 Pollution & Treatment Controls names. FTEK ranks #6 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CECO |
Ceco Environmental Corp
|
959,698 | $57,178,806 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
346,173 | $15,522,397 | |
| 3 | ERII |
Energy Recovery, Inc.
|
88,899 | $895,212 | |
| 4 | VLTO |
Veralto Corp
|
8,332 | $736,715 | |
| 5 | ADUR |
Aduro Clean Technologies Inc.
|
29,762 | $312,203 | |
| 6 | FTEK |
Fuel Tech, Inc.
This page
|
238,079 | $290,456 | |
| 7 | ARQ |
Arq, Inc.
|
28,700 | $73,472 | |
| 8 | SCWO |
374Water Inc.
|
13,627 | $38,700 |
All Filings in FTEK
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $290,456 | 238,079 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $196,809 | 126,160 | Shares | Sole | 2026-02-17 | |
| 2021-03-31 | $38,898 | 12,388 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||