Rock Springs Capital SMMT Position
Active5-Fund ConvergenceRock Springs Capital held their position in Summit Therapeutics Inc. (SMMT) in Q4 2025, holding $12.4M worth of shares across 710,000 shares.
The position was first reported in Q3 2024 and has been tracked across 6 quarterly 13F filings.
SMMT is a convergence signal: 5 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for AK112 in 29 days (May 15, 2026), making the timing of Rock Springs's position particularly relevant.
Short interest stands at 24.2% of float with 17.2 days to cover, indicating significant bearish positioning against Rock Springs's long thesis.
About Summit Therapeutics Inc.
Summit Therapeutics Inc., a biopharmaceutical company, discovers, develops, and commercializes medicines to treat infectious diseases in the United States and Latin America. It conducts clinical programs focusing on Clostridioides difficile infection (CDI). The company's lead product candidate is ridinilazole, an orally administered small molecule antibiotic that is in Phase III clinical trials for the treatment of CDI. It also offers SMT-738, for combating multidrug resistant infections primarily carbapenem-resistant Enterobacteriaceae infections; and DDS-04 series for the potential treatment of infections caused by the Enterobacteriaceae. The company was founded in 2003 and is based in Cambridge, Massachusetts.
Full company profile →Short Interest
24.2%
17.2 days to cover
Rock Springs Capital SMMT Position History
Frequently Asked Questions
Does Rock Springs Capital own SMMT?
Yes. As of Q4 2025, Rock Springs Capital holds 710,000 shares of Summit Therapeutics Inc. (SMMT) valued at $12.4M. This data comes from their SEC 13F filing.
How many hedge funds own SMMT?
5 specialist biotech hedge funds currently hold SMMT, including Baker Bros. Advisors, Driehaus Capital, Tang Capital Management and 1 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did Rock Springs Capital first buy SMMT?
Rock Springs Capital's position in SMMT was first reported in Q3 2024. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is Rock Springs Capital's SMMT position increasing or decreasing?
Rock Springs Capital held their SMMT position unchanged in the most recent quarter.
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