We are live on ! Find out more
O

OrbiMed Portfolio holdings

AUM $5.4B
1-Year Est. Return 163.13%
This Fund
S&P 500
This Quarter Est. Return
+37.76%
1 Year Est. Return
+163.13%
3 Year Est. Return
+393.16%
5 Year Est. Return
+486.34%
10 Year Est. Return
+3,312.73%
AUM
$4.9B
AUM Growth
+$644M
Cap. Flow
-$263M
Cap. Flow %
-5.37%
Top 10 Hldgs %
40.38%
Holding
132
New
23
Increased
22
Reduced
35
Closed
25
Avg Time Held Equity + Options
8.6 quarters
Top 10 Avg Time Held Equity + Options
7 quarters
Top 20 Avg Time Held Equity + Options
8.2 quarters
Avg Time Held Equity only
8.7 quarters
Top 10 Avg Time Held Equity only
7 quarters
Top 20 Avg Time Held Equity only
8.2 quarters

Sector Composition

Rank Sector Weight
1 Healthcare 99.3%
2 Miscellaneous 0.7%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow Held Since
PTGX icon
101
Protagonist Therapeutics
PTGX
$8.99B
$1.9M 0.04%
+21,700
New +$1.78M
2025 Q4
0 quarters
PTCT icon
102
PTC Therapeutics
PTCT
$5.01B
$1.76M 0.04%
+23,200
New +$1.69M
2025 Q4
0 quarters
MPLT icon
103
MapLight Therapeutics
MPLT
$442M
$952K 0.02%
+56,000
New +$938K
2025 Q4
0 quarters
TRAW icon
104
Traws Pharma
TRAW
$6.38M
$684K 0.01%
605,531
– –
2024 Q2
6 quarters
VTGN icon
105
CALL
VistaGen Therapeutics
VTGN
$9.48M
$29.9K ﹤0.01%
45,200
– –
2025 Q3
1 quarter
ABT icon
106
CALL
Abbott
ABT
$178B
– –
-150,000
Closed -$20.1M –
AKRO icon
107
DELISTED
Akero Therapeutics
AKRO
– –
-526,200
Closed -$25M –
AMLX icon
108
Amylyx Pharmaceuticals
AMLX
$3.41B
– –
-750,600
Closed -$10.2M –
APLS icon
109
CALL
DELISTED
Apellis Pharmaceuticals
APLS
– –
-250,000
Closed -$5.66M –
ATAI icon
110
DELISTED
AtaiBeckley Inc
ATAI
– –
-347,000
Closed -$1.84M –
AZN icon
111
CALL
AstraZeneca
AZN
$243B
– –
-75,000
Closed -$11.5M –
BSX icon
112
CALL
Boston Scientific
BSX
$63.1B
– –
-200,000
Closed -$19.5M –
CRNX icon
113
PUT
DELISTED
Crinetics Pharmaceuticals
CRNX
– –
-100,000
Closed -$4.17M –
IMTX icon
114
Immatics
IMTX
$1.07B
– –
-466,601
Closed -$3.98M –
ITGR icon
115
Integer Holdings
ITGR
$4.31B
– –
-290,000
Closed -$30M –
KRRO icon
116
Korro Bio
KRRO
$127M
– –
-32,400
Closed -$1.55M –
KZR icon
117
DELISTED
Kezar Life Sciences
KZR
– –
-192,700
Closed -$752K –
LYEL icon
118
Lyell Immunopharma
LYEL
$185M
– –
-51,727
Closed -$840K –
MIST icon
119
Milestone Pharmaceuticals
MIST
$97.6M
– –
-3,221,828
Closed -$6.44M –
MURA icon
120
DELISTED
Mural Oncology
MURA
– –
-588,800
Closed -$1.22M –
PASG icon
121
Passage Bio
PASG
$12.7M
– –
-59,046
Closed -$474K –
PFE icon
122
CALL
Pfizer
PFE
$161B
– –
-500,000
Closed -$12.7M –
SCPH icon
123
DELISTED
scPharmaceuticals
SCPH
– –
-6,059,528
Closed -$34.4M –
SIBN icon
124
SI-BONE Inc
SIBN
$899M
– –
-2,578,979
Closed -$38M –
SRRK icon
125
CALL
Scholar Rock
SRRK
$5B
– –
-100,000
Closed -$3.72M –

Similar funds

OrbiMed's Q4 2025 Portfolio in Review

As of Q4 2025, OrbiMed held 132 positions worth $4.9B, up 15% from $4.26B the previous quarter. Its ten largest holdings account for 40% of the portfolio.

OrbiMed withdrew a net $263M in Q4 2025, closing 25 positions and reducing 35 holdings. Its most notable exit was SI-BONE Inc, an estimated $38M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 99% of assets, up from 98% a quarter earlier, followed by Miscellaneous.

Against the trend, OrbiMed opened a new position in Pfizer worth $41.2M.

  • OrbiMed's largest Q4 2025 buy was Pfizer: 1,652,900 shares worth $41.2M.
  • OrbiMed added most to RAPT Therapeutics in Q4 2025, an estimated $17.3M increase.
  • OrbiMed's biggest Q4 2025 reduction was Terns Pharmaceuticals, cutting an estimated $125M.
  • OrbiMed fully exited SI-BONE Inc in Q4 2025, selling an estimated $38M.
  • OrbiMed's ten largest holdings make up 40% of its $4.9B portfolio in Q4 2025.
  • OrbiMed opened 23 new positions and closed 25 in Q4 2025.
  • OrbiMed's portfolio value rose 15% quarter-over-quarter to $4.9B.

Based on OrbiMed's 13F filing for Q4 2025, filed 17 Feb 2026.