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Orbimed Advisors 13F Portfolio ยท Samuel Isaly

Portfolio Manager
Samuel Isaly
Performance
+15.57% (2026 Q2)
AUM (13F)
$5.40B
# of Holdings
121
Performance Rank
Allocation (Top 20)
57.87%
Latest filing
Q2 2026

Orbimed Advisors LLC Holdings Map

Top 50 Orbimed Advisors LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
EWTX
EDGEWISE THERAPEUTICS INC
11.94%15.52M$630.5M
+0.00%(+0)
2025-Q2: 15.52M shares2025-Q3: 15.52M shares2025-Q4: 15.52M shares2026-Q1: 15.52M shares2026-Q2: 15.52M shares
$30.57(+44.50%)
2026-06-30
ELVN
ENLIVEN THERAPEUTICS INC
6.51%6.78M$343.9M
-14.86%(-1.18M)
2025-Q2: 7.96M shares2025-Q3: 7.96M shares2025-Q4: 7.96M shares2026-Q1: 7.96M shares2026-Q2: 6.78M shares
$19.13(+207.47%)
2026-06-30
LLY
ELI LILLY & CO
5.86%257.9K$309.3M
+8.91%(+21.10K)
2025-Q2: 337.6K shares2025-Q3: 301.2K shares2025-Q4: 301.2K shares2026-Q1: 236.8K shares2026-Q2: 257.9K shares
$503.54(+134.22%)
2026-06-30
MBX
MBX BIOSCIENCES INC
3.58%3.43M$189.3M
-5.75%(-209.15K)
2025-Q2: 4.00M shares2025-Q3: 4.00M shares2025-Q4: 3.94M shares2026-Q1: 3.64M shares2026-Q2: 3.43M shares
$25.36(+170.42%)
2026-06-30
SVA
SINOVAC BIOTECH LTD
3.49%2.72M$184.5M
+0.00%(+0)
2025-Q2: 2.72M shares2025-Q3: 2.72M shares2025-Q4: 2.72M shares2026-Q1: 2.72M shares2026-Q2: 2.72M shares
$4.33(+49.41%)
2026-06-30
AZN
ASTRAZENECA PLC
3.24%915.7K$171.1M
+36.63%(+245.50K)
2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 670.2K shares2026-Q2: 915.7K shares
$190.86(-18.01%)
2026-06-30
GPCR
STRUCTURE THERAPEUTICS INC
2.25%2.21M$118.6M
+49.75%(+734.00K)
2025-Q2: 1.20M shares2025-Q3: 1.14M shares2025-Q4: 1.16M shares2026-Q1: 1.48M shares2026-Q2: 2.21M shares
$40.76(+33.16%)
2026-06-30
SION
SIONNA THERAPEUTICS INC
2.13%2.56M$112.4M
-27.61%(-974.83K)
2025-Q2: 3.70M shares2025-Q3: 3.70M shares2025-Q4: 3.56M shares2026-Q1: 3.53M shares2026-Q2: 2.56M shares
$10.46(-38.24%)
2026-06-30
CRVS
CORVUS PHARMACEUTICALS INC
2.03%7.17M$107.0M
+0.00%(+0)
2025-Q2: 7.17M shares2025-Q3: 7.17M shares2025-Q4: 7.17M shares2026-Q1: 7.17M shares2026-Q2: 7.17M shares
$11.17(+33.32%)
2026-06-30
AVBP
ARRIVENT BIOPHARMA INC
1.99%3.03M$105.2M
+0.00%(+0)
2025-Q2: 3.03M shares2025-Q3: 3.03M shares2025-Q4: 3.03M shares2026-Q1: 3.03M shares2026-Q2: 3.03M shares
$17.86(+65.23%)
2026-06-30

About Orbimed Advisors LLCโ€™s portfolio

Orbimed Advisors LLC reports $5.40B in US-listed equity holdings across 121 positions in its most recent 13F filing. Its largest disclosed positions are EWTX (11.9%), ELVN (6.5%) and LLY (5.9%). The top 20 holdings account for 57.87% of reported assets. Its disclosed equity book has returned +34.19% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
EWTX โ€” 14.2% ($630.52M)ELVN โ€” 7.7% ($343.91M)LLY โ€” 7.0% ($309.33M)MBX โ€” 4.3% ($189.27M)SVA โ€” 4.1% ($184.47M)AZN โ€” 3.8% ($171.08M)GPCR โ€” 2.7% ($118.58M)SION โ€” 2.5% ($112.43M)CRVS โ€” 2.4% ($107.05M)AVBP โ€” 2.4% ($105.17M)Other โ€” 48.9% ($2.18B)
51%in top 10
  • EWTX14.2%
  • ELVN7.7%
  • LLY7.0%
  • MBX4.3%
  • SVA4.1%
  • AZN3.8%
  • GPCR2.7%
  • SION2.5%
  • CRVS2.4%
  • AVBP2.4%
  • Other48.9%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

New buys
3
UNHUNITEDHEALTH GROUP INC1.3%
HUMHUMANA INC1.2%
ARQTARCUTIS BIOTHERAPEUTICS INC1.0%
Added to
20
COGTCOGENT BIOSCIENCES INC+422.0%
AZNASTRAZENECA PLC+36.6%
GPCRSTRUCTURE THERAPEUTICS INC+49.7%
LLYELI LILLY & CO+8.9%
+16 more
Trimmed
13
ELVNENLIVEN THERAPEUTICS INC-14.9%
IRONDISC MEDICINE INC-66.5%
SIONSIONNA THERAPEUTICS INC-27.6%
ARGXARGENX SE-32.2%
+9 more

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Source filings

Holdings on this page are parsed from Orbimed Advisors LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1055951). View Orbimed Advisors LLCโ€™s 13F filings on SEC

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