BAKER BROS. ADVISORS LP

CIK
1263508
City
NEW YORK
State / Country
NY

Top Portfolio Positions

82 positions · $17,340,808,631 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio
INCY
Incyte Corp
Healthcare
30,744,412 $2,893,664,057 16.69%
ONC
BeOne Medicines Ltd.
Healthcare
8,799,053 $2,613,054,769 15.07%
INSM
INSMED Inc
Healthcare
7,421,111 $1,213,500,070 7.00%
MDGL
Madrigal Pharmaceuticals, Inc.
Healthcare
2,141,701 $1,121,116,222 6.47%
ACAD
Acadia Pharmaceuticals Inc
Healthcare
42,896,690 $954,880,319 5.51%
RVMD
Revolution Medicines, Inc.
Healthcare
9,555,357 $929,258,468 5.36%
CELC
Celcuity Inc.
Healthcare
7,915,792 $903,508,498 5.21%
KOD
Kodiak Sciences Inc.
Healthcare
19,919,186 $759,319,370 4.38%
KYMR
Kymera Therapeutics, Inc.
Healthcare
8,657,242 $721,061,686 4.16%
SMMT
Summit Therapeutics Inc.
Healthcare
36,391,063 $689,974,554 3.98%

Portfolio Trend

25 quarters · across all stocks

Holdings in ARGX

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Shares Held

Position Value (USD)

25 of 25 shown
Report Date Value (USD) Shares
2026-03-31 $18,383,313 25,174
2025-12-31 $21,170,075 25,174
2025-09-30 $27,850,265 37,760
2025-06-30 $20,814,067 37,760
2025-03-31 $46,023,422 77,760
2024-12-31 $68,820,960 111,904
2024-09-30 $60,660,920 111,904
2024-06-30 $48,123,196 111,904
2024-03-31 $59,536,369 151,215
2023-12-31 $57,526,722 151,215
2023-09-30 $74,341,830 151,215
2023-06-30 $109,186,367 280,159
2023-03-31 $104,381,640 280,159
2022-12-31 $106,132,633 280,159
2022-09-30 $98,910,134 280,159
2022-06-30 $424,177,756 1,119,557
2022-03-31 $353,007,517 1,119,557
2021-12-31 $392,057,665 1,119,557
2021-09-30 $338,106,214 1,119,557
2021-06-30 $337,065,025 1,119,557
2021-03-31 $308,314,802 1,119,557
2020-12-31 $299,841,518 1,019,557
2020-09-30 $267,654,103 1,019,557
2020-06-30 $229,634,823 1,019,557
2020-03-31 $134,306,243 1,019,557