Alyeska Investment Group, L.P.
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1453072
CHICAGO, IL
Position in TMO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$61,413,724
-$173,580,485 QoQ
Shares Held
124,944
-69.2% QoQ
Ownership
0.034%
of shares outstanding
% of Portfolio
0.19%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
15 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in TMO Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Alyeska Investment Group, L.P. holds $839,474,078 across 12 Diagnostics & Research names. TMO ranks #7 (7.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
825,684 | $156,549,686 | |
| 2 | GH |
Guardant Health, Inc.
|
1,489,566 | $137,591,211 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
203,274 | $114,217,627 | |
| 4 | LH |
Labcorp Holdings Inc.
|
373,622 | $99,686,085 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
558,633 | $96,364,192 | |
| 6 | RDNT |
RadNet, Inc.
|
1,309,308 | $73,177,224 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
This page
|
124,944 | $61,413,724 | |
| 8 | ILMN |
Illumina, Inc.
|
306,367 | $37,762,796 |
All Filings in TMO
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15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | |
| 2020-09-30 | $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. | ||||||