Position in WAT
as of Jun 30, 2026
· filed Jul 7, 2026
Position Value
$1,731,934
+$865,039 QoQ
Shares Held
4,618
+58.6% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
#409
of 1,173 holders
Holding Since
Dec 2023
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WAT Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026GAMMA Investing LLC holds $20,738,851 across 31 Diagnostics & Research names. WAT ranks #4 (8.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
8,872 | $4,448,065 | |
| 2 | DHR |
Danaher Corp /De/
|
12,380 | $2,358,142 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
3,297 | $1,735,672 | |
| 4 | WAT |
Waters Corp /De/
This page
|
4,618 | $1,731,934 | |
| 5 | LH |
Labcorp Holdings Inc.
|
5,084 | $1,423,520 | |
| 6 | A |
Agilent Technologies, Inc.
|
10,340 | $1,373,462 | |
| 7 | DGX |
Quest Diagnostics Inc
|
5,295 | $1,122,275 | |
| 8 | RVTY |
Revvity, Inc.
|
9,906 | $1,102,141 |
All Filings in WAT
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,731,934 | 4,618 | Shares | Defined | 2026-07-07 | |
| 2026-03-31 | $866,895 | 2,911 | Shares | Defined | 2026-04-06 | |
| 2025-12-31 | $660,144 | 1,738 | Shares | Defined | 2026-01-05 | |
| 2025-09-30 | $380,758 | 1,270 | Shares | Defined | 2025-10-02 | |
| 2025-06-30 | $599,650 | 1,718 | Shares | Defined | 2025-07-14 | |
| 2025-03-31 | $662,320 | 1,797 | Shares | Defined | 2025-04-15 | |
| 2024-12-31 | $488,209 | 1,316 | Shares | Defined | 2025-01-03 | |
| 2024-09-30 | $319,942 | 889 | Shares | Defined | 2024-10-07 | |
| 2024-06-30 | $219,910 | 758 | Shares | Defined | 2024-07-02 | |
| 2024-03-31 | $224,093 | 651 | Shares | Defined | 2024-04-05 | |
| 2023-12-31 | $185,027 | 562 | Shares | Defined | 2024-02-01 | |
| No filing history on record for this holder in this stock. | ||||||