Rhenman & Partners Asset Management AB
Position in IDYA — IDEAYA Biosciences, Inc.
CIK 1599882
Stockholm, V7
Position in IDYA
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$12,813,426
+$4,300,166 QoQ
Shares Held
343,800
+34.6% QoQ
Ownership
0.356%
of shares outstanding
% of Portfolio
1.21%
of 13F equity value
Holder Rank
#43
of 286 holders
Holding Since
Jun 2024
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IDYA Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Rhenman & Partners Asset Management AB holds $335,352,902 across 39 Biotechnology names. IDYA ranks #9 (3.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | JAZZ |
Jazz Pharmaceuticals plc
|
87,440 | $21,070,416 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
27,390 | $17,078,760 | |
| 3 | BMRN |
Biomarin Pharmaceutical Inc
|
290,500 | $16,622,410 | |
| 4 | NRIX |
Nurix Therapeutics, Inc.
|
684,250 | $16,599,905 | |
| 5 | MIRM |
Mirum Pharmaceuticals, Inc.
|
139,205 | $16,296,729 | |
| 6 | INSM |
INSMED Inc
|
151,960 | $16,201,975 | |
| 7 | AXSM |
Axsome Therapeutics, Inc.
|
63,050 | $15,432,748 | |
| 8 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
30,685 | $15,242,160 |
All Filings in IDYA
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $12,813,426 | 343,800 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $8,513,260 | 255,500 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $8,642,500 | 250,000 | Shares | Sole | 2026-02-13 | |
| 2025-03-31 | $647,010 | 39,500 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $2,107,400 | 82,000 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $4,039,200 | 127,500 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $1,878,385 | 53,500 | Shares | Sole | 2024-08-13 | |
| No filing history on record for this holder in this stock. | ||||||