REGENXBIO Inc. (RGNX)
BIOLOGICAL PRODUCTS, (NO DIAGNOSTIC SUBSTANCES)
REGENXBIO Inc. (RGNX) is listed on Nasdaq, where it has traded since September 17, 2015.
- Listed On
- Nasdaq
- Listed Since
- September 17, 2015
- Employees
- 371
- Market Cap
- $478M
About REGENXBIO Inc.
Regenxbio Inc is a clinical-stage biotechnology company focused on the development of gene therapy treatments. Its product candidates are designed to deliver genes to cells to address genetic defects or enable the production of therapeutic proteins. The company is developing a pipeline of investigational gene therapy treatments using its NAV Technology Platform based on adeno-associated virus (AAV) vectors. Its internal research and development programs are focused on therapies for retinal, neuromuscular, and neurodegenerative diseases.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 160 institutions reported holding RGNX, with 42.2 million shares worth $504.6 million in aggregate. The largest reported holder was BlackRock, with 6.4 million shares worth $76.6 million. Of the 5 largest holders listed below, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 6,397,440 | $77M | Added 10.63% |
| Redmile Group | 4,368,804 | $52M | Unchanged |
| Vanguard | 3,818,858 | $46M | Added 13.77% |
| State Street | 2,971,173 | $36M | Added 8.78% |
| JPMorgan Chase | 2,214,169 | $26M | Reduced 36.44% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is RGNX?
REGENXBIO Inc. (RGNX) is listed on Nasdaq, where it has traded since September 17, 2015.
Who are the largest institutional holders of RGNX?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of RGNX were BlackRock, Redmile Group and Vanguard.
How many institutions own RGNX?
160 institutions reported a position in RGNX for the quarter ended June 30, 2026, worth $504.6 million in total.
Did institutions buy or sell RGNX last quarter?
Of the 5 largest reported holders, 3 added shares, 1 reduced its position and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for RGNX.
Every reported institutional holder, plus insider and congressional trades in RGNX, on SentiSense.