Stocks/Funds/CIK 1599882

Rhenman & Partners Asset Management AB

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1599882
Assets
$784M
-8.4% YoY
Holdings
85
Lifetime alpha vs market
-4.41% annual
Average hold time
4.5 yr
median 3.3 yr

Quarterly history

Cum return +27% vs S&P +52% · α -25% lifetimeAUM $784M · peak $1.5BFlow $-196M (-19%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-4.92%
trims when stocks drop
when a holding falls −10%+
Middle response
-7.89%
baseline attrition
Rally response
-6.22%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
BSXBoston Scientific Corpor$39M5.0%-37.8%9.0 yr
REGNRegeneron Pharmaceutical$37M4.7%+22.5%9.8 yr
LLYEli Lilly and Company$31M4.0%+12.2%10.3 yr
CVSCVS Health Corporation$24M3.1%+10.0%9.8 yr
GILDGilead Sciences, Inc.$23M3.0%+27.7%9.0 yr
TMOThermo Fisher Scientific$20M2.6%-0.9%8.3 yr
BIIBBiogen Inc.$20M2.5%+34.0%9.3 yr
VRTXVertex Pharmaceuticals I$19M2.5%-7.9%10.5 yr
ALHCAlignment Healthcare, In$19M2.4%-5.4%3.8 yr
ISRGIntuitive Surgical, Inc.$17M2.2%-6.9%6.8 yr
ABCAmerisourceBergen Corpor$16M2.1%9.3 yr
SYKStryker Corporation$16M2.0%-11.1%1.8 yr
ABBVAbbVie Inc.$16M2.0%+7.3%10.3 yr
VEEVVeeva Systems Inc.$15M1.9%-24.2%3.0 yr
MCKMcKesson Corporation$15M1.9%+29.1%6.3 yr

Portfolio composition (YoY)

Industry mix
Biotechnology37.3%+11.5pp$292M
Medical - Devices19.2%-3.1pp$151M
Drug Manufacturers - General12.2%-0.7pp$95M
Medical - Healthcare Plans9.5%-10.2pp$74M
Medical - Diagnostics & Research8.1%+1.2pp$64M
Medical - Distribution4.7%-0.1pp$37M
Medical - Care Facilities3.1%-0.6pp$24M
Medical - Healthcare Information Services2.7%+2.5pp$21M
Unknown1.2%$10M
Information Technology Services1.1%$8M
Country
US91.1%-1.9pp
IE3.7%-1.0pp
GB1.6%+1.0pp
Unknown1.2%
AU1.0%+0.5pp
CH0.6%+0.4pp
IT0.5%
CA0.2%+0.1pp
Top 5: 19.8% · Top 10: 31.9% · Top 25: 57.8%

Winners

TickerPrev $PnLYoY %
MCK$32M+0.01B29.1%
NTRA$20M+0.01B41.4%
JAZZ$15M+0.01B52.3%
RPRX$13M+0.01B57.7%
GILD$26M+0.01B27.7%

Losers

TickerPrev $PnLYoY %
UNH$41M-0.02B-46.9%
PRCT$26M-0.01B-57.1%
BSX$30M-0.01B-37.8%
BMRN$19M-0.00B-20.1%
VRTX$32M-0.00B-7.9%

Top buys this quarter · 15

BSX Boston Scientific Corporation+$39M
SYK Stryker Corporation+$12M
VEEV Veeva Systems Inc.+$11M
WAY Waystar Holding Corp.new+$8M
GH Guardant Health, Inc.+$6M
GILD Gilead Sciences, Inc.+$6M
OSCR Oscar Health, Inc.+$5M
IQV IQVIA Holdings Inc.+$5M
NKTR Nektar Therapeuticsnew+$4M
VRTX Vertex Pharmaceuticals Incorpo+$4M

Top sells this quarter · 15

0I3I.L The Cooper Companies, Inc.$20M
MDT Medtronic plc$18M
VERA Vera Therapeutics, Inc.exit$17M
ALGN Align Technology, Inc.$16M
DHR Danaher Corporation$15M
APLS Apellis Pharmaceuticals, Inc.exit$15M
CAH Cardinal Health, Inc.$14M
GKOS Glaukos Corporation$14M
PEN Penumbra, Inc.exit$10M
REGN Regeneron Pharmaceuticals, Inc$10M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$784M85+11.19%+17.59%-6.40%-0.20B
2025-12-31$1.05B93+19.03%+17.72%+1.31%+0.02B
2025-09-30$885M91-7.87%+17.52%-25.38%+0.08B
2025-06-30$773M89-4.52%+14.94%-19.46%-0.07B
2025-03-31$856M93-4.53%+8.30%-12.83%-0.11B
2024-12-31$969M91+5.46%+24.89%-19.42%-0.13B
2024-09-30$1.22B94+31.63%+36.04%-4.41%+0.11B
2024-06-30$1.03B91+14.14%+24.49%-10.35%-0.01B
2024-03-31$1.06B84+21.76%+29.62%-7.86%-0.05B
2023-12-31$1.00B85+8.16%+26.18%-18.02%-0.06B
2023-09-30$950M87+4.28%+21.57%-17.29%+0.06B
2023-06-30$949M83+11.19%+19.42%-8.23%-0.01B
2023-03-31$911M88-1.69%-7.82%+6.13%-0.03B
2022-12-31$958M93+8.10%+7.56%+0.54%-0.07B
2022-09-30$955M90-0.12%-4.93%+4.81%+0.08B
2022-06-30$880M86-7.13%-16.11%+8.98%-0.06B