Position in TMO
as of Jun 30, 2026
· filed Jul 7, 2026
Position Value
$4,448,065
+$224,348 QoQ
Shares Held
8,872
+3.2% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
#885
of 2,602 holders
Holding Since
Dec 2023
11 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TMO 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. TMO ranks #1 (21.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
This page
|
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/
|
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 TMO
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11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,448,065 | 8,872 | Shares | Defined | 2026-07-07 | |
| 2026-03-31 | $4,223,717 | 8,593 | Shares | Defined | 2026-04-06 | |
| 2025-12-31 | $4,075,851 | 7,034 | Shares | Defined | 2026-01-05 | |
| 2025-09-30 | $2,750,063 | 5,670 | Shares | Defined | 2025-10-02 | |
| 2025-06-30 | $1,662,386 | 4,100 | Shares | Defined | 2025-07-14 | |
| 2025-03-31 | $2,419,331 | 4,862 | Shares | Defined | 2025-04-15 | |
| 2024-12-31 | $2,073,116 | 3,985 | Shares | Defined | 2025-01-03 | |
| 2024-09-30 | $3,000,683 | 4,851 | Shares | Defined | 2024-10-07 | |
| 2024-06-30 | $2,066,008 | 3,736 | Shares | Defined | 2024-07-02 | |
| 2024-03-31 | $1,702,364 | 2,929 | Shares | Defined | 2024-04-05 | |
| 2023-12-31 | $1,268,588 | 2,390 | Shares | Defined | 2024-02-01 | |
| No filing history on record for this holder in this stock. | ||||||