BVF Partners VSTM Position
Exited7-Fund ConvergenceBVF Partners exited their position in Verastem, Inc. (VSTM) in Q3 2025, after holding the stock for 11 quarters.
The position was first reported in Q1 2023 and has been tracked across 11 quarterly 13F filings.
VSTM is a convergence signal: 7 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for avutometinib and sotorasib in 77 days (Jun 30, 2026), making the timing of BVF's position particularly relevant.
Short interest stands at 20.4% of float with 11.4 days to cover, indicating significant bearish positioning against the stock.
About Verastem, Inc.
Verastem, Inc., a development-stage biopharmaceutical company, focusing on developing and commercializing drugs for the treatment of cancer. Its product in development includes VS-6766, a dual rapidly accelerated fibrosarcoma (RAF)/mitogen-activated protein kinase (MEK) clamp that blocks MEK kinase activity and the ability of RAF to phosphorylate MEK. The company also engages in developing RAMP 201, an adaptive two-part multicenter, parallel cohort, randomized open label trial to evaluate the efficacy and safety of VS-6766 and in combination with defactinib, an oral small molecule inhibitor of focal adhesion kinase (FAK) in patients with recurrent low grade serous ovarian cancer; and RAMP 202, which is in Phase 2 trial to evaluate the safety of VS-6766 in combination with defactinib in patients with KRAS and BRAF mutant non-small cell lung cancer following treatment with a platinum-based regimen and immune checkpoint inhibitor. Verastem, Inc. has license agreements with Chugai Pharmaceutical Co., Ltd. for the development, commercialization, and manufacture of products containing VS-6766; and Pfizer Inc. to research, develop, manufacture, and commercialize products containing Pfizer's inhibitors of FAK for therapeutic, diagnostic and prophylactic uses in humans. In addition, it has clinical collaboration agreement with Amgen, Inc. to evaluate the combination of VS-6766 with Amgen's KRAS-G12C inhibitor LUMAKRASTM which in Phase 1/2 trial entitled RAMP 203. The company was incorporated in 2010 and is headquartered in Needham, Massachusetts.
Full company profile →Short Interest
20.4%
11.4 days to cover
BVF Partners VSTM Position History
| Quarter | Action | Shares | Change | Value |
|---|---|---|---|---|
| Q3 2025 | Exited | 0 | -3,404,425 | $0 |
| Q2 2025 | Increased | 3,404,425 | +1,303,957 | $14.1M |
| Q1 2025 | Held | 2,100,468 | — | $12.7M |
| Q4 2024 | Increased | 2,100,468 | +415,249 | $10.9M |
| Q3 2024 | Held | 1,685,219 | — | $5.0M |
| Q2 2024 | Held | 1,685,219 | — | $5.0M |
| Q1 2024 | Held | 1,685,219 | — | $19.9M |
| Q4 2023 | Held | 1,685,219 | — | $13.7M |
| Q3 2023 | Held | 1,685,219 | — | $13.7M |
| Q2 2023 | Decreased | 1,685,219 | -17,337,437 | $12.5M |
| Q1 2023 | New | 19,022,656 | +19,022,656 | $7.9M |
Frequently Asked Questions
Does BVF Partners own VSTM?
No. BVF Partners exited their position in Verastem, Inc. (VSTM) in Q3 2025. They previously held the stock for 11 quarters.
How many hedge funds own VSTM?
7 specialist biotech hedge funds currently hold VSTM, including RTW Investments, Deep Track Capital, Deerfield Management and 4 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did BVF Partners first buy VSTM?
BVF Partners's position in VSTM was first reported in Q1 2023. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is BVF Partners's VSTM position increasing or decreasing?
BVF Partners completely exited their VSTM position in the most recent quarter.
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