GAMCO INVESTORS, INC. ET AL
Position in TMO — Thermo Fisher Scientific Inc.
CIK 807249
GREENWICH, CT
Position in TMO
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$2,035,521
-$192,584 QoQ
Shares Held
4,060
-10.4% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1,172
of 2,617 holders
Holding Since
Mar 2020
26 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, 2026GAMCO INVESTORS, INC. ET AL holds $9,507,809 across 7 Diagnostics & Research names. TMO ranks #2 (21.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GRAL |
GRAIL, Inc.
|
66,713 | $4,554,496 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
This page
|
4,060 | $2,035,521 | |
| 3 | NEO |
Neogenomics Inc
|
100,000 | $1,459,000 | |
| 4 | WAT |
Waters Corp /De/
|
1,291 | $484,176 | |
| 5 | A |
Agilent Technologies, Inc.
|
3,636 | $482,969 | |
| 6 | OPK |
Opko Health, Inc.
|
175,000 | $262,500 | |
| 7 | DHR |
Danaher Corp /De/
|
1,203 | $229,147 |
All Filings in TMO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,035,521 | 4,060 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $2,228,105 | 4,533 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $2,692,124 | 4,646 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $2,491,062 | 5,136 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $2,143,261 | 5,286 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $1,947,606 | 3,914 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,146,468 | 4,126 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $2,645,623 | 4,277 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $2,369,605 | 4,285 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $2,392,260 | 4,116 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,136,960 | 4,026 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $6,886,442 | 13,605 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $9,288,193 | 17,802 | Shares | Sole | 2023-08-15 | |
| 2023-03-31 | $9,373,505 | 16,263 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $11,931,800 | 21,667 | Shares | Sole | 2023-02-15 | |
| 2022-09-30 | $12,809,590 | 25,256 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $13,393,481 | 24,653 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $14,716,044 | 24,915 | Shares | Sole | 2022-05-18 | |
| 2021-12-31 | $24,457,014 | 36,654 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $20,203,942 | 35,363 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $21,626,628 | 42,870 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $19,364,659 | 42,431 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $21,455,224 | 46,063 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $23,699,469 | 53,677 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $18,643,117 | 51,452 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $15,296,533 | 53,937 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||