Rock Springs Capital NVAX Position
Exited3-Fund ConvergenceRock Springs Capital exited their position in Novavax Inc. (NVAX) in Q4 2025, after holding the stock for 12 quarters.
The position was first reported in Q1 2023 and has been tracked across 12 quarterly 13F filings.
NVAX is a convergence signal: 3 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 3 readout for CIC Vaccine Co-formulated tNIV2 , SARSCoV-2 rS and Matrix-M Adjuvant in 101 days (Jul 26, 2026), making the timing of Rock Springs's position particularly relevant.
Short interest stands at 29.9% of float with 10.1 days to cover, indicating significant bearish positioning against the stock.
About Novavax Inc.
Novavax, Inc., a biotechnology company, focuses on the discovery, development, and commercialization of vaccines to prevent serious infectious diseases and address health needs. The company's vaccine candidates include NVX-CoV2373, a coronavirus vaccine candidate that is in two Phase III trials, one Phase IIb trial, and one Phase I/II trial; NanoFlu, a nanoparticle seasonal quadrivalent influenza vaccine candidate that is in Phase 3 clinical trial; and ResVax, a respiratory syncytial virus (RSV) fusion (F) protein nanoparticle vaccine candidate. It is also developing RSV F vaccine that is in Phase II clinical trial for older adults (60 years and older), as well as that is in Phase I clinical trial for pediatrics. It has a collaboration agreement with Takeda Pharmaceutical Company Limited for the development, manufacturing, and commercialization of NVX-CoV2373, a COVID-19 vaccine candidate. Novavax, Inc. was incorporated in 1987 and is headquartered in Gaithersburg, Maryland.
Full company profile →Short Interest
29.9%
10.1 days to cover
Rock Springs Capital NVAX Position History
| Quarter | Action | Shares | Change | Value |
|---|---|---|---|---|
| Q4 2025 | Exited | 0 | -45,000 | $0 |
| Q3 2025 | Decreased | 45,000 | -8,900 | $390K |
| Q2 2025 | Decreased | 53,900 | -596,100 | $340K |
| Q1 2025 | Held | 650,000 | — | $4.2M |
| Q4 2024 | Held | 650,000 | — | $5.2M |
| Q3 2024 | Decreased | 650,000 | -25,000 | $8.2M |
| Q2 2024 | Increased | 675,000 | +137,375 | $8.5M |
| Q1 2024 | Held | 537,625 | — | $2.6M |
| Q4 2023 | Decreased | 537,625 | -110,075 | $2.6M |
| Q3 2023 | Increased | 647,700 | +111,000 | $4.7M |
| Q2 2023 | Increased | 536,700 | +1,300 | $4.0M |
| Q1 2023 | New | 535,400 | +535,400 | $3.7M |
Frequently Asked Questions
Does Rock Springs Capital own NVAX?
No. Rock Springs Capital exited their position in Novavax Inc. (NVAX) in Q4 2025. They previously held the stock for 12 quarters.
How many hedge funds own NVAX?
3 specialist biotech hedge funds currently hold NVAX, including Deep Track Capital, Tang Capital Management, Deerfield Management. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did Rock Springs Capital first buy NVAX?
Rock Springs Capital's position in NVAX 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 Rock Springs Capital's NVAX position increasing or decreasing?
Rock Springs Capital completely exited their NVAX position in the most recent quarter.
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