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BAKER BROS. ADVISORS LP

Position in SMMT — Summit Therapeutics Inc.

CIK 1263508 NEW YORK, NY

Position in SMMT

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$477,697,090
-$212,277,464 QoQ
Shares Held
32,786,348
-9.9% QoQ
Ownership
4.11%
of shares outstanding
% of Portfolio
2.40%
of 13F equity value
Holder Rank
#1
of 242 holders
Holding Since
Dec 2022
13 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in SMMT Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

BAKER BROS. ADVISORS LP holds $18,875,530,286 across 78 Biotechnology names. SMMT ranks #12 (2.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in SMMT

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $477,697,090 32,786,348
2026-03-31 $689,974,554 36,391,063
2025-12-31 $636,479,691 36,391,063
2025-09-30 $696,716,642 33,722,974
2025-06-30 $717,624,886 33,722,974
2025-03-31 $471,155,645 24,424,865
2024-12-31 $435,861,715 24,424,865
2024-09-30 $534,904,543 24,424,865
2024-06-30 $181,133,331 23,222,222
2023-09-30 $5,872,684 3,140,473
2023-06-30 $15,824,809 6,304,705
2023-03-31 $11,033,233 6,304,705
2022-12-31 $8,500,000 2,000,000