Artisan Partners Limited Partnership
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1466153
Milwaukee, WI
Position in TMO
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$15,004,200
-$138,757,197 QoQ
Shares Held
29,927
-90.4% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#547
of 2,620 holders
Holding Since
Jun 2020
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Derivatives in TMO
reported options exposure · as of Dec 31, 2020CallValue
$0
CallShares
0
PutValue
$29,250,984
PutShares
62,800
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Artisan Partners Limited Partnership holds $3,250,391,177 across 9 Diagnostics & Research names. TMO ranks #8 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ICLR |
Icon PLC
|
8,636,406 | $1,500,230,086 | |
| 2 | IQV |
Iqvia Holdings Inc.
|
4,743,434 | $916,526,317 | |
| 3 | VCYT |
Veracyte, Inc.
|
5,538,404 | $325,270,466 | |
| 4 | GH |
Guardant Health, Inc.
|
1,478,928 | $221,883,567 | |
| 5 | WAT |
Waters Corp /De/
|
560,753 | $210,304,805 | |
| 6 | ILMN |
Illumina, Inc.
|
167,691 | $29,485,108 | |
| 7 | RVTY |
Revvity, Inc.
|
200,616 | $22,320,536 | |
| 8 | TMO |
Thermo Fisher Scientific Inc.
This page
|
29,927 | $15,004,200 |
All Filings in TMO
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $15,004,200 | 29,927 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $153,761,397 | 312,822 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $174,374,467 | 300,931 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $140,772,689 | 290,241 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $114,705,850 | 282,903 | Shares | Sole | 2025-08-12 | |
| 2023-12-31 | $40,334,732 | 75,990 | Shares | Sole | 2024-02-12 | |
| 2023-03-31 | $66,353,443 | 115,123 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $19,953,150 | 36,233 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $161,789,552 | 318,992 | Shares | Sole | 2022-11-10 | |
| 2021-12-31 | $35,220,930 | 52,786 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $8,577,377 | 15,013 | Shares | Sole | 2021-11-12 | |
| 2020-12-31 | $29,250,984 | 62,800 | Put | Sole | 2021-02-10 | |
| 2020-12-31 | $41,686,844 | 89,499 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $61,778,361 | 139,922 | Shares | Sole | 2020-11-12 | |
| 2020-09-30 | $49,759,304 | 112,700 | Put | Sole | 2020-11-12 | |
| 2020-06-30 | $51,060,590 | 140,919 | Shares | Sole | 2020-08-12 | |
| No filing history on record for this holder in this stock. | ||||||