RTW Investments FLGT Position
ActiveRTW Investments initiated a new position in Fulgent Genetics Inc. (FLGT) in Q4 2025, holding $18.5M worth of shares across 705,027 shares.
1 other tracked fund also holds FLGT.
Short interest stands at 12.3% of float with 3.0 days to cover, indicating significant bearish positioning against RTW Investments's long thesis.
About Fulgent Genetics Inc.
Fulgent Genetics, Inc., together with its subsidiaries, provides COVID-19, molecular diagnostic, and genetic testing services to physicians and patients in the United States and internationally. The company offers genetic tests comprising Focus and Comprehensive oncology panels tests; Beacon carrier screening panels test for inherited conditions; solid tumor molecular profiling for somatic cancer testing; rapid whole genome testing for children in NICU and PICU; newborn genetic analysis panel; single front-line test to detect ataxia-related variants and repeat expansions through sequencing; picture genetics, a patient-initiated genetic testing; whole exome and clinical exome panel tests; whole genome, mutation, and repeat expansion testing services, as well as research service tests. It also provides next generation sequencing and reverse transcription polymerase chain reaction-based tests, as well as antigen-based diagnostic tests for the detection of SARS-CoV-2. In addition, the company offers flow cytometry, a cell analysis technique providing diagnosis, prognosis, and monitoring of malignancies; fluorescence in-situ hybridization for detecting and locating a specific DNA sequence on a chromosome; immunohistochemistry, an imaging technique used to visualize antigens in cells; cytogenetics, which analyzes the chromosome set for numerical and structural abnormalities; and molecular testing that includes hematopoietic and solid tumor molecular assays. The company serves insurance, hospitals, medical institutions, other laboratories, governmental bodies, payors, municipalities and large corporations, and patients. Fulgent Genetics has strategic partnership with Helio Health, Inc. to commercialize blood-based early cancer detection tests. The company was formerly known as Fulgent Diagnostics, Inc. and changed its name to Fulgent Genetics, Inc. in August 2016. Fulgent Genetics, Inc. was founded in 2011 and is headquartered in Temple City, California.
Full company profile →Short Interest
12.3%
3.0 days to cover
Frequently Asked Questions
Does RTW Investments own FLGT?
Yes. As of Q4 2025, RTW Investments holds 705,027 shares of Fulgent Genetics Inc. (FLGT) valued at $18.5M. This data comes from their SEC 13F filing.
How many hedge funds own FLGT?
2 specialist biotech hedge funds currently hold FLGT, including Deerfield Management. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did RTW Investments first buy FLGT?
RTW Investments's position in FLGT 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 FLGT position increasing or decreasing?
RTW Investments initiated a new position in FLGT in the most recent quarter. This is their first reported holding.
Get the weekly biotech signal briefing
Fund moves, convergence shifts, insider buys, and catalyst alerts — delivered free every Monday.
FLGTCompany Page →
All fund holders, insider trades, catalysts, and cash runway
RTW InvestmentsPortfolio →
Full 13F holdings, sector breakdown, and top movers
Drill into any signal
Fund Convergence
See which stocks multiple specialist funds are buying at once
Catalyst Calendar
Every PDUFA date, Phase 3 readout, and AdCom in one view
Insider Trading
When executives buy their own stock — the strongest bullish signal
Cash Runway
Which biotechs are running low on cash and face dilution risk
Short Squeeze
High short interest + fund buying + upcoming catalyst = squeeze setup
Signal Rankings
Every signal in one composite score — ranked by conviction
Biotech Movers
Stocks with the most signal activity right now across all signals
13F Changes
What top biotech funds bought and sold in the latest 13F filing
Want AI context on every signal? Start free trial →