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13F holdings · Q2 2026

Baker Bros. Advisors

New York, NY · files as Baker Bros. Advisors LP
Holdings as of Jun 30, 2026Filed Aug 14, 2026Next filing due Nov 16, 2026CIK 1263508

Baker Bros. Advisors reported 83 stocks worth $19.9B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are INCY (17.5%), ONC (12.6%) and RVMD (10.8%). Compared with Q1 2026, the fund opened new positions in FTH, CYTK and NTLA, added to RVMD, INSM and ABCL, trimmed SMMT, IMVT and ROIV and sold out of ABVX, CELC and SYRE.

Reported value$19.9B+14.2% vs last quarter
Stocks held838 new · 9 sold out
Top 5 weight52.2%fairly concentrated
Turnover7%of the portfolio changed
🔒 A free account shows every holding, what the fund sold and its options.Create free account

Holdings

#StockValueWeightSharesChangeShares, 8 qtrsHeld
1
INCY
Incyte Corp
$3.5B17.5%30.8MNo change8 of 8
2
ONC
Beone Medicines Ltd
$2.5B12.6%8.8MNo change8 of 8
3
RVMD
Revolution Medicines Inc
$2.1B10.8%11.4M+1.9M (+20%)8 of 8
4
MDGL
Madrigal Pharmaceuticals Inc
$1.2B5.8%2.1MNo change8 of 8
5
ACAD
Acadia Pharmaceuticals Inc
$1.1B5.5%42.9MNo change8 of 8
6
KYMR
Kymera Therapeutics Inc
$993M5.0%8.7MNo change8 of 8
7
INSM
Insmed Inc
$938M4.7%8.8M+1.4M (+19%)8 of 8
8
CELC
Celcuity Inc
$828M4.2%7.9MNo change8 of 8
9
KOD
Kodiak Sciences Inc
$776M3.9%19.9MNo change8 of 8
10
RYTM
Rhythm Pharmaceuticals Inc
$622M3.1%5.6MNo change8 of 8
🔒 73 more holdings in this filing. Create a free account or sign in to see them all.

Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.

Sold out

held in Q1 2026, gone in Q2 2026
StockValue last quarterShares sold
ABVX
Abivax SA
$97.5M876K
CELC
Celcuity Inc
$74.9M30.8M
SYRE
Spyre Therapeutics Inc
$50.4M1M
CENTESSA PHARMACEUTICALS PLC
$26.6M671K
IMCR
Immunocore Hldgs PLC
$22.1M734K

🔒 Free account: see all 9.

Reported value

last 8 quarters
$9.6BQ3 '24
$9.2BQ4 '24
$8.9BQ1 '25
$10.3BQ2 '25
$13.8BQ3 '25
$17BQ4 '25
$17.4BQ1 '26
$19.9BQ2 '26

The value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.

Filings for Q2 2026

straight from the SEC
FiledFormQuarter
Aug 14, 202613F-HRQ2 2026SEC filing ↗

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Baker Bros. Advisors 13F FAQ

What does Baker Bros. Advisors own?

Baker Bros. Advisors reported 83 stocks worth $19.9B in its 13F filing for Q2 2026, filed Aug 14, 2026. The table above lists every position in the filing (the top 10 without an account).

What did Baker Bros. Advisors buy and sell in Q2 2026?

Compared with Q1 2026: 8 new positions, 11 added to, 7 trimmed and 9 sold out. New positions include FTH, CYTK and NTLA. It sold all of ABVX, CELC and SYRE.

When will Baker Bros. Advisors file its next 13F?

Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.

How much is Baker Bros. Advisors's portfolio worth?

The Q2 2026 filing reports $19.9B in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.