BAKER BROS. ADVISORS LP
SEC Form 4 insiderReplimune Group, Inc. ($REPL), Kodiak Sciences Inc. ($KOD), MADRIGAL PHARMACEUTICALS, INC. ($MDGL)
5 theses · first seen Aug 11, 2026
| Window | Theses | Resolved | Wins | Win rate | Avg return | Median return |
|---|
| 1d | 3 | 3 | 3 | 100% | +3.9% | +3.9% |
| 3d | 5 | 5 | 2 | 40% | +3.0% | -0.4% |
| 1w | 5 | 5 | 2 | 40% | +1.4% | -3.9% |
| 1m | 3 | 3 | 3 | 100% | +4.6% | +4.6% |
| 3m | 0 | 0 | 0 | — | — | — |
| 6m | 0 | 0 | 0 | — | — | — |
| 1y | 0 | 0 | 0 | — | — | — |
Past performance does not predict future results. Informational only, not investment advice.
Long 91,806 shares of MDGL
Bought 91,806 @ $381.49 avg · $35,023,032 · 2026-11-04
Form 4: BAKER BROS. ADVISORS LP bought MDGL
BAKER BROS. ADVISORS LP (Director at MADRIGAL PHARMACEUTICALS, INC.) reported an open-market purchase of 91,806 shares of MDGL at an average $381.49, roughly $35,023,032, in a Form 4 filed 2026-11-06.
At post $399.63·Now $428.95+7.3% since postedas of Nov 9, 11:30 AM ET
1d—
3d+8.3%
1w+6.9%
1m—
3m—
6m—
1y—
Long 247,090 shares of KOD
Bought 247,090 @ $98.51 avg · $24,340,836 · 2026-11-04
Form 4: BAKER BROS. ADVISORS LP bought KOD
BAKER BROS. ADVISORS LP (Director at Kodiak Sciences Inc.) reported an open-market purchase of 247,090 shares of KOD at an average $98.51, roughly $24,340,836, in a Form 4 filed 2026-11-06.
At post $99.30·Now $111.19+12.0% since postedas of Nov 13, 4:01 PM ET
1d—
3d+7.9%
1w+12.0%
1m—
3m—
6m—
1y—
Long 715,592 shares of KOD
Bought 715,592 @ $88.59 avg · $63,397,609 · 2026-09-28
Form 4: BAKER BROS. ADVISORS LP bought KOD
BAKER BROS. ADVISORS LP (Director at Kodiak Sciences Inc.) reported an open-market purchase of 715,592 shares of KOD at an average $88.59, roughly $63,397,609, in a Form 4 filed 2026-09-30.
At post $94.80·Now $111.19+17.3% since postedas of Nov 13, 4:01 PM ET
1d+3.9%
3d-0.4%
1w-3.9%
1m+4.6%
3m—
6m—
1y—
Long 418,323 shares of KOD
Bought 418,323 @ $83.58 avg · $34,963,077 · 2026-09-28
Form 4: BAKER BROS. ADVISORS LP bought KOD
BAKER BROS. ADVISORS LP (Director at Kodiak Sciences Inc.) reported an open-market purchase of 418,323 shares of KOD at an average $83.58, roughly $34,963,077, in a Form 4 filed 2026-09-30.
At post $94.80·Now $111.19+17.3% since postedas of Nov 13, 4:01 PM ET
1d+3.9%
3d-0.4%
1w-3.9%
1m+4.6%
3m—
6m—
1y—
Long 807,840 shares of KOD
Bought 807,840 @ $72.57 avg · $58,625,708 · 2026-09-28
Form 4: BAKER BROS. ADVISORS LP bought KOD
BAKER BROS. ADVISORS LP (Director at Kodiak Sciences Inc.) reported an open-market purchase of 807,840 shares of KOD at an average $72.57, roughly $58,625,708, in a Form 4 filed 2026-09-30.
At post $94.80·Now $111.19+17.3% since postedas of Nov 13, 4:01 PM ET
1d+3.9%
3d-0.4%
1w-3.9%
1m+4.6%
3m—
6m—
1y—