Position in WAT
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$2,446,129
-$98,732 QoQ
Shares Held
8,214
+22.6% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026GABELLI FUNDS LLC holds $32,264,397 across 16 Diagnostics & Research names. WAT ranks #5 (7.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LH |
Labcorp Holdings Inc.
|
31,017 | $8,275,645 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
14,570 | $7,161,592 | |
| 3 | DHR |
Danaher Corp /De/
|
18,981 | $3,598,797 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
2,500 | $3,153,000 | |
| 5 | WAT |
Waters Corp /De/
This page
|
8,214 | $2,446,129 | |
| 6 | FONR |
Fonar Corp
|
90,514 | $1,679,939 | |
| 7 | GRAL |
GRAIL, Inc.
|
30,283 | $1,565,025 | |
| 8 | A |
Agilent Technologies, Inc.
|
7,854 | $895,198 |
All Filings in WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,446,129 | 8,214 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $2,544,861 | 6,700 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $2,053,698 | 6,850 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,390,924 | 6,850 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $2,598,418 | 7,050 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,745,252 | 7,400 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $2,735,164 | 7,600 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $2,204,912 | 7,600 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $2,616,148 | 7,600 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,502,148 | 7,600 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $2,193,680 | 8,000 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $2,238,936 | 8,400 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $2,600,892 | 8,400 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $2,877,672 | 8,400 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $2,317,958 | 8,600 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,846,428 | 8,600 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $2,669,354 | 8,600 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $3,353,400 | 9,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $3,251,430 | 9,100 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $3,145,051 | 9,100 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $2,585,947 | 9,100 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $2,338,119 | 9,450 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $1,849,176 | 9,450 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $1,704,780 | 9,450 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,720,372 | 9,450 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||