Alyeska Investment Group, L.P.
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1453072
CHICAGO, IL
Position in TMO
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$188,546,956
+$127,133,232 QoQ
Shares Held
376,071
+201.0% QoQ
Ownership
0.102%
of shares outstanding
% of Portfolio
0.54%
of 13F equity value
Holder Rank
#124
of 2,606 holders
Holding Since
Jun 2020
17 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, 2026Alyeska Investment Group, L.P. holds $929,620,379 across 10 Diagnostics & Research names. TMO ranks #2 (20.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | IDXX |
Idexx Laboratories Inc /De
|
401,082 | $211,145,608 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
This page
|
376,071 | $188,546,956 | |
| 3 | A |
Agilent Technologies, Inc.
|
814,971 | $108,252,597 | |
| 4 | ILMN |
Illumina, Inc.
|
581,730 | $102,285,585 | |
| 5 | GH |
Guardant Health, Inc.
|
647,818 | $97,192,134 | |
| 6 | RDNT |
RadNet, Inc.
|
1,171,721 | $72,260,034 | |
| 7 | DHR |
Danaher Corp /De/
|
310,000 | $59,048,800 | |
| 8 | CRL |
Charles River Laboratories International, Inc.
|
235,000 | $53,295,650 |
All Filings in TMO
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $188,546,956 | 376,071 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $61,413,724 | 124,944 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $234,994,209 | 405,547 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $207,368,845 | 427,547 | Shares | Sole | 2025-11-17 | |
| 2024-09-30 | $25,299,513 | 40,900 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $143,129,672 | 258,824 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $150,414,241 | 258,795 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $128,793,008 | 242,644 | Shares | Sole | 2024-02-14 | |
| 2022-09-30 | $63,145,155 | 124,500 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $67,823,618 | 124,841 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $40,311,862 | 68,250 | Shares | Sole | 2022-05-17 | |
| 2021-12-31 | $78,554,832 | 117,731 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $70,935,761 | 124,159 | Shares | Sole | 2021-11-15 | |
| 2021-03-31 | $13,707,373 | 30,035 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $21,468,265 | 46,091 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $24,680,526 | 55,899 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $23,913,715 | 65,998 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||