Stocks/Funds/CIK 1055951

ORBIMED ADVISORS LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1055951
Assets
$4.38B
+5.5% YoY
Holdings
104
Lifetime alpha vs market
-28.74% annual
Average hold time
3.2 yr
median 1.8 yr

Quarterly history

Cum return -61% vs S&P +52% · α -113% lifetimeAUM $4.4B · peak $11.4BFlow $-265M (-6%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-1.80%
trims when stocks drop
when a holding falls −10%+
Middle response
-5.06%
baseline attrition
Rally response
-6.67%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
EWTXEdgewise Therapeutics, I$489M11.2%+43.2%5.3 yr
ELVNEnliven Therapeutics, In$312M7.1%+99.2%3.3 yr
LLYEli Lilly and Company$218M5.0%+12.2%5.5 yr
BSXBoston Scientific Corpor$149M3.4%-37.8%10.5 yr
SIONSionna Therapeutics, Inc$142M3.2%+283.3%1.3 yr
AZNAstraZeneca PLC$132M3.0%+36.2%0.3 yr
MYGNMyriad Genetics, Inc.$123M2.8%-49.3%0.3 yr
MBXMBX Biosciences, Inc. Co$109M2.5%+304.5%1.8 yr
CRVSCorvus Pharmaceuticals, $105M2.4%+360.1%10.3 yr
ARGXargenx SE$100M2.3%+23.4%7.3 yr
EWEdwards Lifesciences Cor$99M2.3%+10.5%9.0 yr
ISRGIntuitive Surgical, Inc.$96M2.2%-6.9%10.5 yr
CMPXCompass Therapeutics, In$81M1.8%+178.4%4.5 yr
MRKMerck & Co., Inc.$80M1.8%+38.9%7.8 yr
GPCRStructure Therapeutics I$71M1.6%+178.5%2.0 yr

Portfolio composition (YoY)

Industry mix
Biotechnology63.0%+11.9pp$2.76B
Drug Manufacturers - General13.1%+3.2pp$574M
Medical - Devices11.0%-10.2pp$480M
Medical - Diagnostics & Research6.6%+2.5pp$289M
Unknown4.2%-5.0pp$186M
Medical - Healthcare Plans1.1%-1.5pp$48M
Medical - Healthcare Information Services0.7%$33M
Medical - Care Facilities0.2%-1.3pp$10M
Medical - Pharmaceuticals0.1%-0.3pp$3M
Country
US86.2%+0.0pp
Unknown4.2%-5.0pp
NL3.2%+0.3pp
GB3.2%
CA1.8%+0.8pp
FR1.2%
CH0.1%-0.1pp
Top 5: 29.9% · Top 10: 42.9% · Top 25: 66.6%

Winners

TickerPrev $PnLYoY %
ELVN$157M+0.16B99.2%
EWTX$330M+0.14B43.2%
SION$39M+0.11B283.3%
CGON$61M+0.11B176.4%
MBX$30M+0.09B304.5%

Losers

TickerPrev $PnLYoY %
BSX$284M-0.11B-37.8%
SPRY$104M-0.04B-36.2%
SYK$134M-0.01B-11.1%
ISRG$144M-0.01B-6.9%

Top buys this quarter · 15

MYGN Myriad Genetics, Inc.new+$563M
RCEL AVITA Medical, Inc.new+$152M
AZN AstraZeneca PLCnew+$132M
XENE Xenon Pharmaceuticals Inc.+$36M
MLYS Mineralys Therapeutics, Inc.+$29M
QURE uniQure N.V.+$23M
NKTR Nektar Therapeuticsnew+$20M
PVLA Palvella Therapeutics, Inc.new+$17M
DFTX Definium Therapeutics, Inc.new+$15M
GPCR Structure Therapeutics Inc.+$71M

Top sells this quarter · 15

APLS Apellis Pharmaceuticals, Inc.exit$98M
BIIB Biogen Inc.$82M
UTHR United Therapeutics Corporatioexit$62M
ROIV Roivant Sciences Ltd.exit$61M
LLY Eli Lilly and Company$59M
ALNY Alnylam Pharmaceuticals, Inc.$56M
CI Cigna Corporationexit$55M
GH Guardant Health, Inc.$51M
EW Edwards Lifesciences Corporati$49M
SYK Stryker Corporation$47M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$4.38B104+39.32%+17.59%+21.73%-0.27B
2025-12-31$4.68B101+24.68%+17.72%+6.96%-0.06B
2025-09-30$3.97B95-8.47%+17.52%-25.99%-0.24B
2025-06-30$3.63B94-17.85%+14.94%-32.79%-0.58B
2025-03-31$4.15B104-25.90%+8.30%-34.20%-0.11B
2024-12-31$4.79B109-1.12%+24.89%-26.00%+0.32B
2024-09-30$5.10B107+20.36%+36.04%-15.68%+0.26B
2024-06-30$4.66B106-9.69%+24.49%-34.18%+0.02B
2024-03-31$5.07B110-8.07%+29.62%-37.69%-0.80B
2023-12-31$4.96B108-43.28%+26.18%-69.46%+0.39B
2023-09-30$4.28B118-53.97%+21.57%-75.53%+0.32B
2023-06-30$5.06B116-43.49%+19.42%-62.92%+0.43B
2023-03-31$4.97B113-58.64%-7.82%-50.83%+1.45B
2022-12-31$4.81B110-13.40%+7.56%-20.96%+0.53B
2022-09-30$4.95B124-4.18%-4.93%+0.75%+0.04B
2022-06-30$5.12B134-31.87%-16.11%-15.76%+0.95B