Rhenman & Partners Asset Management AB
Position in TMO — Thermo Fisher Scientific Inc.
CIK 1599882
Stockholm, V7
Position in TMO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$20,319,850
+$827,152 QoQ
Shares Held
41,340
+22.9% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
2.51%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 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, 2026Rhenman & Partners Asset Management AB holds $73,822,363 across 8 Diagnostics & Research names. TMO ranks #1 (27.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
This page
|
41,340 | $20,319,850 | |
| 2 | GH |
Guardant Health, Inc.
|
145,000 | $13,393,650 | |
| 3 | NTRA |
Natera, Inc.
|
51,600 | $10,319,484 | |
| 4 | ADPT |
Adaptive Biotechnologies Corp
|
720,000 | $9,993,600 | |
| 5 | IQV |
Iqvia Holdings Inc.
|
53,000 | $9,038,620 | |
| 6 | CRL |
Charles River Laboratories International, Inc.
|
26,000 | $4,485,000 | |
| 7 | DHR |
Danaher Corp /De/
|
18,052 | $3,422,659 | |
| 8 | A |
Agilent Technologies, Inc.
|
25,000 | $2,849,500 |
All Filings in TMO
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $20,319,850 | 41,340 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $19,492,698 | 33,640 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $14,570,000 | 30,040 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $4,516,824 | 11,140 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $6,289,664 | 12,640 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $8,136,397 | 15,640 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $15,526,107 | 25,100 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $13,272,000 | 24,000 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $7,555,730 | 13,000 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $17,781,465 | 33,500 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $253,085 | 500 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $260,875 | 500 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $23,631,170 | 41,000 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $22,027,600 | 40,000 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $26,627,475 | 52,500 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $20,155,688 | 37,100 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $14,027,937 | 23,750 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $29,358,560 | 44,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $34,279,800 | 60,000 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $25,223,500 | 50,000 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $20,537,100 | 45,000 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $12,785,661 | 27,450 | Shares | Sole | 2021-01-19 | |
| 2020-09-30 | $13,245,600 | 30,000 | Shares | Sole | 2020-10-13 | |
| 2020-06-30 | $6,884,460 | 19,000 | Shares | Sole | 2020-07-16 | |
| 2020-03-31 | $5,388,400 | 19,000 | Shares | Sole | 2020-04-16 | |
| No filing history on record for this holder in this stock. | ||||||