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BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker Insider Trading Activity
Every SEC Form 4 transaction reported by BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Is BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker buying or selling?
BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker reported 71 open-market buys ($2.6B) and 47 sells ($2.2B) across 118 Form 4 filings at 22 companies — a net buying position of $468.7M.
Source: SEC EDGAR Form 4
Key Statistics (as of Jul 16, 2026)
Total Form 4 filings
118
SEC EDGAR
Companies
22
Buys (71)
$2.6B
Sells (47)
$2.2B
Insider sentiment
Net buyingNet insider flow of $468.7M in net buying, filed between May 2, 2018 – Jul 16, 2026.
Companies BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | GHDXGENOMIC HEALTH INC | 34 |
| 2 | KODKodiak Sciences Inc. | 22 |
| 3 | MDGLMADRIGAL PHARMACEUTICALS, INC. | 8 |
| 4 | ONCBeiGene, Ltd. | 7 |
| 5 | ACADACADIA PHARMACEUTICALS INC | 5 |
| 6 | INCYINCYTE CORP | 5 |
| 7 | SGENSEATTLE GENETICS INC /WA | 5 |
| 8 | TRDAEntrada Therapeutics, Inc. | 5 |
| 9 | NGNENeoleukin Therapeutics, Inc. | 4 |
| 10 | ALXNALEXION PHARMACEUTICALS, INC. | 3 |
Recent BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker transactions
| Date | Ticker | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 16, 2026 | CELC | Other | Sale | 3.1M | $317.8M |
| May 27, 2026 | ONC | Director | Sale | 11.0K | $262.0K |
| Dec 19, 2025 | KOD | Director, 10% Owner | Purchase | 2.6M | $60.0M |
| Dec 11, 2025 | KYMR | Director, 10% Owner | Purchase | 2.0M | $172.5M |
| Nov 24, 2025 | TRDA | 10% Owner | Purchase | 28.9K | $261.8K |
| Nov 12, 2025 | TRDA | 10% Owner | Purchase | 178.0K | $1.4M |
| Oct 2, 2025 | KALA | Other | Sale | 730.4K | $1.1M |
| Sep 10, 2025 | CELC | 10% Owner | Purchase | 170.1K | $9.6M |
| Aug 20, 2025 | MDGL | Director | Purchase | 97.1K | $36.9M |
| Aug 20, 2025 | MDGL | Director | Purchase | 68.6K | $25.0M |
| Jul 1, 2025 | KYMR | Director | Purchase | 655.5K | $28.8M |
| Mar 19, 2025 | IMCR | Director | Purchase | 807.3K | $24.0M |
| Mar 1, 2025 | ONC | Director | Sale | 732.8K | $190.5M |
| Dec 31, 2024 | KALA | 10% Owner | Purchase | 310.6K | $2.0M |
| Dec 17, 2024 | BCYC | Director, 10% Owner | Purchase | 1.5M | $21.2M |
| Dec 11, 2024 | ONC | Director | Sale | 1.0M | $194.2M |
| Aug 22, 2024 | KYMR | Director | Purchase | 1 | $46.41 |
| Mar 28, 2024 | IGMS | Director, 10% Owner | Purchase | 395.3K | $3.4M |
| Dec 15, 2023 | IGMS | Director, 10% Owner | Purchase | 532.7K | $3.4M |
| Dec 14, 2023 | MDGL | Director | Purchase | 101.8K | $22.5M |
| Dec 14, 2023 | MDGL | Director | Purchase | 34.6K | $7.5M |
| Nov 21, 2023 | MDGL | Director | Purchase | 64.3K | $12.1M |
| Nov 21, 2023 | MDGL | Director | Purchase | 67.1K | $11.9M |
| Nov 15, 2023 | MDGL | Director | Purchase | 49.4K | $7.8M |
| Nov 15, 2023 | MDGL | Director | Purchase | 107.5K | $15.8M |
Showing the 25 most recent filings of 118. Screen every filing.
BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker insider trading FAQ
Is BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker buying or selling?
Across 118 SEC Form 4 filings, BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker reported 71 open-market purchases totaling $2.6B and 47 sales totaling $2.2B — a net buying position of $468.7M.
Which companies does BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker file Form 4s for?
BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker has reported insider transactions at 22 companies, most often GENOMIC HEALTH INC (GHDX), Kodiak Sciences Inc. (KOD), MADRIGAL PHARMACEUTICALS, INC. (MDGL), BeiGene, Ltd. (ONC), ACADIA PHARMACEUTICALS INC (ACAD).
How far back does BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker's filing history go?
Trabud holds BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker's SEC Form 4 filings from May 2, 2018 – Jul 16, 2026, sourced directly from SEC EDGAR.
Where does Trabud get BAKER BROS. ADVISORS LP / Baker Bros. Advisors (GP) LLC / Felix Baker / Julian Baker's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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