RTW Investments FDMT Position
Active10-Fund ConvergenceRTW Investments initiated a new position in 4D Molecular Therapeutics, Inc. (FDMT) in Q4 2025, holding $3.6M worth of shares across 475,737 shares.
FDMT is a convergence signal: 10 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for 4D-310 in 75 days (Jun 30, 2026), making the timing of RTW Investments's position particularly relevant.
Short interest stands at 21.1% of float with 14.2 days to cover, indicating significant bearish positioning against RTW Investments's long thesis.
About 4D Molecular Therapeutics, Inc.
4D Molecular Therapeutics, Inc., a clinical-stage gene therapy company, develops product candidates using its adeno-associated viruses vectors. It develops a portfolio of gene therapy product candidates focuses in three therapeutic areas: ophthalmology, cardiology, and pulmonology. The company has three product candidates that are in clinical trials: 4D-125 that is in a Phase 1/2 clinical trial for the treatment of X-linked retinitis pigmentosa; 4D-110 that is in a Phase 1/2 clinical trial for the treatment of choroideremia; and 4D-310, which is in a Phase 1/2 clinical trial for the treatment of Fabry disease. Its two IND candidates are 4D-150 for the treatment of wet age-related macular degeneration and 4D-710 for the treatment of cystic fibrosis lung disease. 4D Molecular Therapeutics, Inc. has research and collaboration arrangements with uniQure; CRF; Roche; and CFF. The company was founded in 2013 and is headquartered in Emeryville, California.4D Molecular Therapeutics, Inc., a clinical-stage gene therapy company, develops product candidates using its adeno-associated viruses vectors. It develops a portfolio of gene therapy product candidates focuses in three therapeutic areas: ophthalmology, cardiology, and pulmonology. The company has three product candidates that are in clinical trials: 4D-125 that is in a Phase 1/2 clinical trial for the treatment of X-linked retinitis pigmentosa; 4D-110 that is in a Phase 1/2 clinical trial for the treatment of choroideremia; and 4D-310, which is in a Phase 1/2 clinical trial for the treatment of Fabry disease. Its two IND candidates are 4D-150 for the treatment of wet age-related macular degeneration and 4D-710 for the treatment of cystic fibrosis lung disease. 4D Molecular Therapeutics, Inc. has research and collaboration arrangements with uniQure; CRF; Roche; and CFF. The company was founded in 2013 and is headquartered in Emeryville, California.
Full company profile →Short Interest
21.1%
14.2 days to cover
Frequently Asked Questions
Does RTW Investments own FDMT?
Yes. As of Q4 2025, RTW Investments holds 475,737 shares of 4D Molecular Therapeutics, Inc. (FDMT) valued at $3.6M. This data comes from their SEC 13F filing.
How many hedge funds own FDMT?
10 specialist biotech hedge funds currently hold FDMT, including BVF Partners, RA Capital Management, Deep Track Capital and 6 more. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did RTW Investments first buy FDMT?
RTW Investments's position in FDMT was first reported in Q4 2025. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is RTW Investments's FDMT position increasing or decreasing?
RTW Investments initiated a new position in FDMT in the most recent quarter. This is their first reported holding.
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