Position in WAT
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$128,710,946
-$19,671,542 QoQ
Shares Held
432,206
+10.6% QoQ
Ownership
0.440%
of shares outstanding
% of Portfolio
2.82%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 95.91838151251949.ToString("F0")%
Shared 0.ToString("F0")%
None 4.081618487480506.ToString("F0")%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026BECK MACK & OLIVER LLC holds $472,727,501 across 7 Diagnostics & Research names. WAT ranks #3 (27.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RDNT |
RadNet, Inc.
|
3,166,192 | $176,958,470 | |
| 2 | LH |
Labcorp Holdings Inc.
|
616,631 | $164,523,317 | |
| 3 | WAT |
Waters Corp /De/
This page
|
432,206 | $128,710,946 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
1,945 | $956,025 | |
| 5 | MTD |
Mettler Toledo International Inc/
|
640 | $807,168 | |
| 6 | IDXX |
Idexx Laboratories Inc /De
|
700 | $393,323 | |
| 7 | DHR |
Danaher Corp /De/
|
1,995 | $378,252 |
All Filings in WAT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $128,710,946 | 432,206 | Shares | Sole | 2026-05-12 | |
| 2025-12-31 | $148,382,488 | 390,655 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $118,432,745 | 395,026 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $86,976,579 | 249,188 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $92,108,960 | 249,909 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $91,354,195 | 246,251 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $88,655,662 | 246,341 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $71,477,734 | 246,373 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $84,554,936 | 245,635 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $80,301,501 | 243,907 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $66,436,969 | 242,285 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $64,316,368 | 241,301 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $70,512,349 | 227,731 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $78,552,908 | 229,298 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $62,325,039 | 231,236 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $77,010,771 | 232,675 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $73,226,898 | 235,919 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $93,023,688 | 249,661 | Shares | Sole | 2022-01-28 | |
| 2021-09-30 | $91,895,058 | 257,193 | Shares | Sole | 2021-11-04 | |
| 2021-06-30 | $95,958,270 | 277,649 | Shares | Sole | 2021-07-28 | |
| 2021-03-31 | $78,454,221 | 276,082 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $72,351,546 | 292,424 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $61,257,624 | 313,050 | Shares | Sole | 2020-11-02 | |
| 2020-06-30 | $57,984,168 | 321,420 | Shares | Sole | 2020-08-10 | |
| 2020-03-31 | $62,687,643 | 344,343 | Shares | Sole | 2020-05-05 | |
| No filing history on record for this holder in this stock. | ||||||