Position in FTEK
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,717,523
-$73,349 QoQ
Shares Held
1,407,806
+22.6% QoQ
Ownership
4.52%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in FTEK Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026RENAISSANCE TECHNOLOGIES LLC holds $146,232,242 across 7 Pollution & Treatment Controls names. FTEK ranks #3 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VLTO |
Veralto Corp
|
1,392,100 | $123,089,482 | |
| 2 | ZWS |
Zurn Elkay Water Solutions Corp
|
384,793 | $17,254,118 | |
| 3 | FTEK |
Fuel Tech, Inc.
This page
|
1,407,806 | $1,717,523 | |
| 4 | ERII |
Energy Recovery, Inc.
|
144,265 | $1,452,748 | |
| 5 | ARQ |
Arq, Inc.
|
410,570 | $1,051,059 | |
| 6 | ZONE |
CleanCore Solutions, Inc.
|
2,557,895 | $910,610 | |
| 7 | PCT |
PureCycle Technologies, Inc.
|
145,800 | $756,702 |
All Filings in FTEK
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,717,523 | 1,407,806 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $1,790,872 | 1,147,995 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $2,696,718 | 898,906 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $2,148,063 | 852,406 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $1,004,541 | 956,706 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,091,589 | 1,039,609 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $946,512 | 901,440 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $935,841 | 874,618 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $1,004,428 | 830,106 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $903,236 | 860,225 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $951,452 | 806,316 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,076,619 | 809,488 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $1,107,128 | 864,944 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,044,685 | 822,587 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $908,406 | 776,416 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $953,951 | 769,316 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $1,219,473 | 841,016 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $1,130,255 | 807,325 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,490,945 | 856,865 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $3,500,242 | 1,489,465 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $4,115,488 | 1,310,665 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $5,691,048 | 1,466,765 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $1,048,393 | 1,248,088 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $1,013,575 | 1,206,638 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $476,615 | 1,191,538 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||