Rafferty Asset Management, LLC
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1389426
New York, NY
Position in TMO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$20,508,130
+$6,239,998 QoQ
Shares Held
40,905
+40.9% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#472
of 2,619 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, 2026Rafferty Asset Management, LLC holds $85,587,160 across 17 Diagnostics & Research names. TMO ranks #1 (24.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
This page
|
40,905 | $20,508,130 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
34,084 | $17,943,180 | |
| 3 | DHR |
Danaher Corp /De/
|
69,337 | $13,207,311 | |
| 4 | A |
Agilent Technologies, Inc.
|
31,106 | $4,131,809 | |
| 5 | WAT |
Waters Corp /De/
|
10,809 | $4,053,807 | |
| 6 | IQV |
Iqvia Holdings Inc.
|
18,371 | $3,549,644 | |
| 7 | NTRA |
Natera, Inc.
|
12,749 | $3,460,716 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
2,223 | $2,839,904 |
All Filings in TMO
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $20,508,130 | 40,905 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $14,268,132 | 29,028 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $23,438,752 | 40,450 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $20,334,948 | 41,926 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $16,176,232 | 39,896 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $17,623,001 | 35,416 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $22,568,097 | 43,381 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $23,966,494 | 38,745 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $22,957,242 | 41,514 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $23,175,748 | 39,875 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $20,878,624 | 39,335 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $20,382,959 | 40,269 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $19,474,318 | 37,325 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $20,227,705 | 35,095 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $18,629,842 | 33,830 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $10,672,291 | 21,042 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $5,201,362 | 9,574 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $7,163,993 | 12,129 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $8,900,981 | 13,340 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $7,166,192 | 12,543 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $4,139,680 | 8,206 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $3,441,105 | 7,540 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $3,093,244 | 6,641 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $3,163,490 | 7,165 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $3,227,724 | 8,908 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $874,906 | 3,085 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||