Rhenman & Partners Asset Management AB

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 14, 2025), Rhenman & Partners Asset Management AB reported 94 stock positions worth $870.0 million. Its top holding was Unitedhealth (UNH) at 4.7% of the portfolio, followed by Eli Lilly (LLY, 4.0%) and Vertex Pharmaceuticals (VRTX, 3.7%). Compared with Q4 2024, it opened 12 new positions, sold out of 10, added to 20 and reduced 55. The biggest buy was Glaukos (GKOS, shares +639%) and the biggest sale Inspire Medical Systems (INSP, shares −89%).

Most Recent 13F
Q2 2026
Location
Stockholm, V7
CIK
0001599882
Portfolio Value
$870.0M (Q1 2025)
SEC Filing
0001213900-25-042939 ↗ filed May 14, 2025

Holdings Value

0$500.0M$1.0B$1.5B Q1 2024: $1.1B Q1 2024 Q2 2024: $1.0B Q2 2024 Q3 2024: $1.2B Q3 2024 Q4 2024: $972.9M Q4 2024 Q1 2025: $870.0M $870.0M Q1 2025 Q2 2025: $791.0M Q2 2025 Q3 2025: $903.7M Q3 2025 Q4 2025: $1.1B Q4 2025 Q1 2026: $810.5M Q1 2026 Q2 2026: $1.1B Q2 2026

Holdings 94 stocks · $870.0M

UNH Unitedhealth Group Inc. 4.66% 77,430 $40.6M Add +27.9%
LLY Eli Lilly & Co. 3.96% 41,750 $34.5M Reduce -8.1%
VRTX Vertex Pharmaceuticals Inc. 3.72% 66,750 $32.4M Add +33.5%
MCK McKesson Corp. 3.65% 47,217 $31.8M Add +38.4%
BSX Boston Scientific Corp. 3.48% 300,000 $30.3M Reduce -32.4%
GKOS Glaukos Corp. 3.05% 270,000 $26.6M Add +639.1%
GILD Gilead Sciences Inc. 3.01% 233,500 $26.2M Reduce -8.6%
PRCT Procept Biorobotics Corp. 3.00% 448,000 $26.1M Add +6.6%
ISRG Intuitive Surgical Inc. 2.93% 51,500 $25.5M Reduce -19.5%
ALHC Alignment Healthcare Inc. 2.86% 1,337,284 $24.9M Reduce -24.1%
MDT Medtronic PLC 2.63% 255,000 $22.9M Reduce -5.4%
MOH Molina Healthcare Inc. 2.58% 68,200 $22.5M Add +99.4%
ELV Elevance Health Inc. 2.45% 48,950 $21.3M Add +111.5%
REGN Regeneron Pharmaceuticals 2.31% 31,750 $20.1M Reduce -26.9%
COO The Cooper Cos Inc. 2.29% 236,000 $19.9M Add +105.2%
BMY Bristol-Myers Squibb Co. 2.28% 325,000 $19.8M New
NTRA Natera Inc. 2.25% 138,500 $19.6M Add +12.2%
EXAS Exact Sciences Corp. 2.19% 440,000 $19.0M Reduce -6.6%
BMRN Biomarin Pharmaceutical Inc. 2.15% 265,000 $18.7M Add +5.7%
ABBV Abbvie Inc. 2.13% 88,650 $18.6M Reduce -28.6%
THC Tenet Healthcare Corp. 1.96% 126,700 $17.0M Reduce -35.9%
PODD Insulet Corp. 1.84% 61,000 $16.0M Add +7.0%
CVS CVS Health Corp. 1.84% 235,862 $16.0M Reduce -11.8%
JAZZ Jazz Pharmaceuticals PLC 1.77% 124,300 $15.4M Reduce -14.6%
INSM Insmed Inc. 1.63% 185,500 $14.2M Add +201.6%
OSCR Oscar Health Inc. Class A 1.54% 1,022,743 $13.4M Reduce -24.9%
ALNY Alnylam Pharmaceuticals Inc. 1.50% 48,197 $13.0M Add +183.5%
RPRX Royalty Pharma PLC Class A 1.47% 411,000 $12.8M Reduce -30.9%
AXSM Axsome Therapeutics Inc. 1.47% 109,600 $12.8M Reduce -10.6%
HUM Humana Inc. 1.42% 46,830 $12.4M Reduce -15.2%
DXCM Dexcom Inc. 1.22% 155,000 $10.6M New
NBIX Neurocrine Biosciences Inc. 1.14% 89,817 $9.9M Reduce -10.5%
ZBH Zimmer Biomet Holdings Inc. 1.14% 87,250 $9.9M Reduce -29.6%
CI The Cigna Group 1.07% 28,200 $9.3M Reduce -64.0%
COR Cencora Inc. 1.03% 32,375 $9.0M Reduce -39.8%
DHR Danaher Corp. 0.99% 41,952 $8.6M Reduce -34.4%
CNC Centene Corp. 0.88% 126,000 $7.6M Reduce -35.5%
DVAX Dynavax Technologies Corp. 0.84% 565,000 $7.3M Reduce -32.7%
TGTX TG Therapeutics Inc. 0.80% 177,500 $7.0M Reduce -32.4%
ABT Abbott Laboratories 0.79% 52,000 $6.9M Reduce -59.4%
BIIB Biogen Inc. 0.78% 49,500 $6.8M Reduce -60.0%
ALGN Align Technology Inc. 0.76% 41,500 $6.6M Reduce -0.9%
TMO Thermo Fisher Scientific Inc. 0.72% 12,640 $6.3M Reduce -19.2%
HCA HCA Healthcare Inc. 0.67% 16,778 $5.8M Reduce -51.2%
SNDX Syndax Pharmaceuticals Inc. 0.61% 433,000 $5.3M Add +86.6%
AVR Anteris Technologies Global 0.54% 1,290,000 $4.7M New
ASTH Astrana Health Inc. 0.53% 150,000 $4.7M Add +87.5%
VRNA Verona Pharma Ltd. 0.51% 70,000 $4.4M New
BDX Becton Dickinson and Co. 0.50% 19,000 $4.4M Reduce -60.3%
CYTK Cytokinetics Inc. 0.48% 104,250 $4.2M Reduce -30.1%
IQV Iqvia Holdings Inc. 0.45% 22,000 $3.9M Reduce -24.1%
JANX Janux Therapeutics Inc. 0.44% 141,627 $3.8M Reduce -16.7%
EHC Encompass Health Corp. 0.44% 37,400 $3.8M Reduce -33.2%
AKRO Akero Therapeutics Inc. 0.43% 92,500 $3.7M New
NUVL Nuvalent Inc. Class A 0.43% 52,500 $3.7M Reduce -27.6%
MIRM Mirum Pharmaceuticals Inc. 0.38% 73,755 $3.3M No change
BNTX Biontech SE-ADR 0.37% 35,750 $3.3M Reduce -32.2%
KRYS Krystal Biotech Inc. 0.37% 17,750 $3.2M Reduce -25.3%
MRUS Merus NV 0.36% 74,500 $3.1M No change
RARE Ultragenyx Pharmaceutical Inc. 0.34% 82,000 $3.0M New
NRIX Nurix Therapeutics Inc. 0.34% 249,336 $3.0M Reduce -14.0%
MRK Merck & Co. Inc. 0.34% 33,000 $3.0M Reduce -88.1%
ACLX Arcellx Inc. 0.33% 43,500 $2.9M No change
INSP Inspire Medical Systems Inc. 0.29% 16,000 $2.5M Reduce -89.3%
IONS Ionis Pharmaceuticals Inc. 0.28% 81,000 $2.4M Reduce -61.9%
VKTX Viking Therapeutics Inc. 0.28% 100,000 $2.4M Add +11.1%
DNTH Dianthus Therapeutics Inc. 0.26% 126,627 $2.3M Add +11.1%
PRVA Privia Health Group Inc. 0.25% 98,189 $2.2M Reduce -19.0%
IOVA Iovance Biotherapeutics Inc. 0.25% 647,827 $2.2M Reduce -47.6%
XNCR Xencor Inc. 0.24% 195,750 $2.1M No change
BRKR Bruker Corp. 0.20% 42,315 $1.8M Add +16.5%
MLTX Moonlake Immunotherapeutics 0.20% 45,000 $1.8M New
ESPR Esperion Therapeutics Inc. 0.18% 1,066,495 $1.5M Reduce -44.3%
INMB Inmune Bio Inc. 0.16% 178,284 $1.4M No change
DNLI Denali Therapeutics Inc. 0.16% 100,000 $1.4M New
VIR Vir Biotechnology Inc. 0.15% 200,000 $1.3M New
ALKS Alkermes PLC 0.15% 39,000 $1.3M Reduce -50.0%
KURA Kura Oncology Inc. 0.15% 195,000 $1.3M Reduce -38.0%
ARVN Arvinas Inc. 0.15% 183,000 $1.3M Add +17.7%
AMGN Amgen Inc. 0.14% 4,000 $1.2M Add +33.3%
GERN Geron Corp. 0.14% 783,000 $1.2M Reduce -21.7%
ICLR Icon PLC 0.14% 7,000 $1.2M New
GPCR Structure Therapeutics Inc. 0.14% 70,000 $1.2M New
RLAY Relay Therapeutics Inc. 0.14% 460,000 $1.2M No change
XENE Xenon Pharmaceuticals Inc. 0.14% 35,000 $1.2M No change
MEDP Medpace Holdings Inc. 0.13% 3,800 $1.2M Reduce -44.1%
ANNX Annexon Inc. 0.10% 460,000 $888K Reduce -15.2%
IMCR Immunocore Holdings PLC-ADR 0.10% 28,278 $839K Reduce -51.5%
AVTR Avantor Inc. 0.09% 47,826 $775K Reduce -22.6%
IDYA Ideaya Biosciences Inc. 0.07% 39,500 $647K Reduce -51.8%
APLS Apellis Pharmaceuticals Inc. 0.07% 28,250 $618K Reduce -85.6%
PEN Penumbra Inc. 0.07% 2,200 $588K New
RGEN Repligen Corp. 0.07% 4,500 $573K Reduce -50.0%
IMVT Immunovant Inc. 0.05% 25,924 $443K Reduce -82.1%

Portfolio Sells Q4 2024 → Q1 2025

INSP Inspire Medical Systems Inc. Reduce -89.3% 0.29% −2.57
MRK Merck & Co. Inc. Reduce -88.1% 0.34% −2.50
ITCI Intra-Cellular Therapies Inc. Sold out 0.00% −1.51
BIIB Biogen Inc. Reduce -60.0% 0.78% −1.17
CI The Cigna Group Reduce -64.0% 1.07% −1.16
REGN Regeneron Pharmaceuticals Reduce -26.9% 2.31% −0.87
SYK Stryker Corp. Sold out 0.00% −0.83
ABT Abbott Laboratories Reduce -59.4% 0.79% −0.70
IOVA Iovance Biotherapeutics Inc. Reduce -47.6% 0.25% −0.69
BDX Becton Dickinson and Co. Reduce -60.3% 0.50% −0.62
THC Tenet Healthcare Corp. Reduce -35.9% 1.96% −0.61
BSX Boston Scientific Corp. Reduce -32.4% 3.48% −0.60
APLS Apellis Pharmaceuticals Inc. Reduce -85.6% 0.07% −0.57
UHS Universal Health Services-B Sold out 0.00% −0.57
EXAS Exact Sciences Corp. Reduce -6.6% 2.19% −0.53
DHR Danaher Corp. Reduce -34.4% 0.99% −0.52
ISRG Intuitive Surgical Inc. Reduce -19.5% 2.93% −0.50
JANX Janux Therapeutics Inc. Reduce -16.7% 0.44% −0.50
IONS Ionis Pharmaceuticals Inc. Reduce -61.9% 0.28% −0.48
NVO Novo-Nordisk A/S-Spons ADR Sold out 0.00% −0.44
HCA HCA Healthcare Inc. Reduce -51.2% 0.67% −0.39
OSCR Oscar Health Inc. Class A Reduce -24.9% 1.54% −0.34
CNC Centene Corp. Reduce -35.5% 0.88% −0.34
IMVT Immunovant Inc. Reduce -82.1% 0.05% −0.32
CRL Charles River Laboratories Sold out 0.00% −0.28
NBIX Neurocrine Biosciences Inc. Reduce -10.5% 1.14% −0.27
DVAX Dynavax Technologies Corp. Reduce -32.7% 0.84% −0.26
ESPR Esperion Therapeutics Inc. Reduce -44.3% 0.18% −0.26
BNTX Biontech SE-ADR Reduce -32.2% 0.37% −0.24
TMDX Transmedics Group Inc. Sold out 0.00% −0.24
CYTK Cytokinetics Inc. Reduce -30.1% 0.48% −0.24
NRIX Nurix Therapeutics Inc. Reduce -14.0% 0.34% −0.22
GERN Geron Corp. Reduce -21.7% 0.14% −0.22
ZBH Zimmer Biomet Holdings Inc. Reduce -29.6% 1.14% −0.21
COR Cencora Inc. Reduce -39.8% 1.03% −0.21
ANNX Annexon Inc. Reduce -15.2% 0.10% −0.18
PLRX Pliant Therapeutics Inc. Sold out 0.00% −0.16
NUVL Nuvalent Inc. Class A Reduce -27.6% 0.43% −0.16
IDYA Ideaya Biosciences Inc. Reduce -51.8% 0.07% −0.14
ALGN Align Technology Inc. Reduce -0.9% 0.76% −0.14
IQV Iqvia Holdings Inc. Reduce -24.1% 0.45% −0.14
KURA Kura Oncology Inc. Reduce -38.0% 0.15% −0.13
ABBV Abbvie Inc. Reduce -28.6% 2.13% −0.13
TMO Thermo Fisher Scientific Inc. Reduce -19.2% 0.72% −0.11
MEDP Medpace Holdings Inc. Reduce -44.1% 0.13% −0.10
EHC Encompass Health Corp. Reduce -33.2% 0.44% −0.10
RPRX Royalty Pharma PLC Class A Reduce -30.9% 1.47% −0.09
ALKS Alkermes PLC Reduce -50.0% 0.15% −0.08
IMCR Immunocore Holdings PLC-ADR Reduce -51.5% 0.10% −0.08
IGMS Igm Biosciences Inc. Sold out 0.00% −0.08

Portfolio Buys Q4 2024 → Q1 2025

GKOS Glaukos Corp. Add +639.1% 3.05% +2.49
BMY Bristol-Myers Squibb Co. New 2.28% +2.28
MCK McKesson Corp. Add +38.4% 3.65% +1.65
VRTX Vertex Pharmaceuticals Inc. Add +33.5% 3.72% +1.65
ELV Elevance Health Inc. Add +111.5% 2.45% +1.57
MOH Molina Healthcare Inc. Add +99.4% 2.58% +1.56
UNH Unitedhealth Group Inc. Add +27.9% 4.66% +1.51
DXCM Dexcom Inc. New 1.22% +1.22
COO The Cooper Cos Inc. Add +105.2% 2.29% +1.20
INSM Insmed Inc. Add +201.6% 1.63% +1.19
ALNY Alnylam Pharmaceuticals Inc. Add +183.5% 1.50% +1.08
AVR Anteris Technologies Global New 0.54% +0.54
VRNA Verona Pharma Ltd. New 0.51% +0.51
BMRN Biomarin Pharmaceutical Inc. Add +5.7% 2.15% +0.46
AKRO Akero Therapeutics Inc. New 0.43% +0.43
RARE Ultragenyx Pharmaceutical Inc. New 0.34% +0.34
PODD Insulet Corp. Add +7.0% 1.84% +0.31
SNDX Syndax Pharmaceuticals Inc. Add +86.6% 0.61% +0.30
ASTH Astrana Health Inc. Add +87.5% 0.53% +0.28
NTRA Natera Inc. Add +12.2% 2.25% +0.24
MLTX Moonlake Immunotherapeutics New 0.20% +0.20
DNLI Denali Therapeutics Inc. New 0.16% +0.16
VIR Vir Biotechnology Inc. New 0.15% +0.15
ICLR Icon PLC New 0.14% +0.14
GPCR Structure Therapeutics Inc. New 0.14% +0.14
PEN Penumbra Inc. New 0.07% +0.07
AMGN Amgen Inc. Add +33.3% 0.14% +0.06
DNTH Dianthus Therapeutics Inc. Add +11.1% 0.26% +0.01
BRKR Bruker Corp. Add +16.5% 0.20% −0.02
VKTX Viking Therapeutics Inc. Add +11.1% 0.28% −0.09
ARVN Arvinas Inc. Add +17.7% 0.15% −0.16
PRCT Procept Biorobotics Corp. Add +6.6% 3.00% −0.48

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 99$1.1BUNH, CVS, AZN, MRK, LLY
Q1 2026 86$810.5MBSX, REGN, LLY, INSM, CVS
Q4 2025 94$1.1BREGN, LLY, BSX, MDT, ISRG
Q3 2025 92$903.7MBSX, LLY, ABBV, DHR, ALHC
Q2 2025 90$791.0MLLY, BSX, VRTX, GKOS, ISRG
Q1 2025 94$870.0MUNH, LLY, VRTX, MCK, BSX
Q4 2024 92$972.9MBSX, LLY, PRCT, ISRG, REGN
Q3 2024 95$1.2BBSX, UNH, LLY, REGN, THC
Q2 2024 93$1.0BUNH, ELV, BSX, LLY, REGN
Q1 2024 84$1.1BCI, LLY, THC, BSX, ELV