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Position history for Baker Bros. Advisors LPBaker Bros. Advisors LP's holdings in Summit Therapeutics Inc.

Yes. Baker Bros. Advisors holds 32,786,348 shares of SMMT (Summit Therapeutics), worth $477.7M, as of its Q2 2026 13F filing. It reduced the position by 3,604,715 shares (-9.9%) from Q1 2026. Baker Bros. Advisors has held SMMT since Q2 2024, across 9 quarterly 13F filings. SMMT is 2.4% of Baker Bros. Advisors' reported 13F portfolio.

Current Value

$477.7M

Current Shares

32.8M

Total Value Change

-$57.2M

Total Shares Change

+8.4M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
32.8M
-9.9%
$477.7M2.4%$14.57
0
2026-Q1
Unchanged
36.4M
0.0%
$690M4.0%$15.11
0
2025-Q4
Increased
36.4M
+7.9%
$636.5M3.7%$17.49
63
2025-Q3
Unchanged
33.7M
0.0%
$696.7M5.0%$21.16
0
2025-Q2
Increased
33.7M
+38.1%
$717.6M7.0%$20.60
81
2025-Q1
Unchanged
24.4M
0.0%
$471.2M5.2%$20.32
0
2024-Q4
Unchanged
24.4M
0.0%
$435.9M4.7%$17.89
0
2024-Q3
Increased
24.4M
+5.2%
$534.9M5.5%$20.89
64

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