Institutional Manager · CIK 0001599882
Rhenman & Partners Asset Management AB
Stockholm, V7 · File #028-15944
Latest AUM
$1.07B
Positions
94
Top-10 Concentration
35.3%
Filings
10
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | REGENERON PHARMACEUTICALS | REGN | +25,300 | +$19.5M | +$7.6M |
| EXITED | EXACT SCIENCES CORP | 30063P105 | -348,000 | -$19.0M | $0 |
| EXITED | CARDINAL HEALTH INC | 14149Y108 | -94,000 | -$14.8M | $0 |
| ADD | VERA THERAPEUTICS INC | VERA | +290,000 | +$14.7M | +$2.8M |
| REDUCE | CYTOKINETICS INC | CYTK | -210,875 | -$13.4M | +$2.2M |
| EXITED | ABBOTT LABS | 002824100 | -98,500 | -$13.2M | $0 |
| REDUCE | LILLY ELI & CO | LLY | -11,200 | -$12.0M | +$16.6M |
| REDUCE | IONIS PHARMACEUTICALS INC | IONS | -151,500 | -$12.0M | +$4.2M |
| NEW | AMGEN INC | AMGN | +36,000 | +$11.8M | $0 |
| ADD | NUVALENT INC | NUVL | +110,850 | +$11.2M | +$740,775 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202594 pos · $1.07B
- 13F HOLDINGS REPORTQ/E Sep 202592 pos · $903.7M
- 13F HOLDINGS REPORTQ/E Jun 202590 pos · $791.0M
- 13F HOLDINGS REPORTQ/E Mar 202594 pos · $870.0M
- 13F HOLDINGS REPORTQ/E Dec 202492 pos · $972.9M
- 13F HOLDINGS REPORTQ/E Sep 202495 pos · $1.23B
- 13F HOLDINGS REPORTQ/E Jun 202493 pos · $1.04B
- 13F HOLDINGS REPORTQ/E Mar 202484 pos · $1.06B
- 13F HOLDINGS REPORT (Amended)Q/E Dec 202385 pos · $927.5M
- 13F HOLDINGS REPORTQ/E Dec 202382 pos · $928.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | REGENERON PHARMACEUTICALS | REGN | 61,400 | $47.4M | 5.32% |
| 2 | LILLY ELI & CO | LLY | 42,220 | $45.4M | 5.10% |
| 3 | BOSTON SCIENTIFIC CORP | BSX | 431,207 | $41.1M | 4.62% |
| 4 | MEDTRONIC PLC | MDT | 296,000 | $28.4M | 3.19% |
| 5 | INTUITIVE SURGICAL INC | ISRG | 48,000 | $27.2M | 3.05% |
| 6 | COOPER COS INC | 216648501 | 327,500 | $26.8M | 3.01% |
| 7 | CVS HEALTH CORP | CVS | 335,500 | $26.6M | 2.99% |
| 8 | ABBVIE INC | ABBV | 110,575 | $25.3M | 2.84% |
| 9 | GLAUKOS CORP | GKOS | 210,000 | $23.7M | 2.66% |
| 10 | DANAHER CORPORATION | 235851102 | 99,052 | $22.7M | 2.55% |
| 11 | CENCORA INC | COR | 63,375 | $21.4M | 2.40% |
| 12 | VERA THERAPEUTICS INC | VERA | 420,000 | $21.3M | 2.39% |
| 13 | MCKESSON CORP | MCK | 25,600 | $21.0M | 2.36% |
| 14 | AXSOME THERAPEUTICS INC | AXSM | 114,800 | $21.0M | 2.35% |
| 15 | ALIGNMENT HEALTHCARE INC | ALHC | 1,009,450 | $19.9M | 2.24% |
| 16 | INSMED INC | INSM | 113,585 | $19.8M | 2.22% |
| 17 | THERMO FISHER SCIENTIFIC INC | TMO | 33,640 | $19.5M | 2.19% |
| 18 | PROCEPT BIOROBOTICS CORP | PRCT | 611,000 | $19.2M | 2.16% |
| 19 | ALNYLAM PHARMACEUTICALS INC | ALNY | 45,675 | $18.2M | 2.04% |
| 20 | UNITED HEALTH GROUP INC | UNH | 54,900 | $18.1M | 2.04% |