REGENXBIO Inc.
RGNX- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- SEC CIK
- 0001590877
In the last 90 days, REGENXBIO Inc. insiders filed 1 open-market purchase and 1 sale; 165 institutions reported holding it in 13F filings for Q2 2026, worth $504.6M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in REGENXBIO Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 174
- +10 vs. Q3 2025
- Shares held
- 41.1M
- −135.3K (−0.3%) vs. Q3 2025
- Total value
- $593.1M
- +$194.7M (+48.9%) vs. Q3 2025
- New holders
- 24
- 62 more added
- Sold out
- 14
- 60 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RGNX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 165 | $504.6M |
| Q1 2026 | 178 | $355.1M |
| Q4 2025 | 174 | $593.1M |
| Q3 2025 | 166 | $399.2M |
| Q2 2025 | 159 | $344.9M |
| Q1 2025 | 164 | $298.0M |
| Q4 2024 | 177 | $325.2M |
| Q3 2024 | 186 | $458.1M |
| Q2 2024 | 181 | $511.9M |
| Q1 2024 | 188 | $896.6M |
| Q4 2023 | 171 | $684.3M |
| Q3 2023 | 160 | $610.3M |
| Q2 2023 | 167 | $742.1M |
| Q1 2023 | 175 | $700.0M |
| Q4 2022 | 182 | $808.9M |
| Q3 2022 | 183 | $926.6M |
| Q2 2022 | 166 | $895.7M |
| Q1 2022 | 187 | $1.16B |
| Q4 2021 | 172 | $1.16B |
| Q3 2021 | 183 | $1.40B |
| Q2 2021 | 172 | $1.30B |
| Q1 2021 | 184 | $1.12B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding REGENXBIO Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 38,995 | $562.0K | 0.00% | +30.0% | Added |
| SG Americas Securities, LLC | 40,531 | $584.0K | 0.00% | +13,931+52.4% | Added |
| Alps Advisors Inc | 41,568 | $598.6K | 0.00% | +16,851+68.2% | Added |
| HSBC Holdings PLC | 43,439 | $617.7K | 0.00% | −32,892−43.1% | Reduced |
| Squarepoint Ops LLC | 42,918 | $618.0K | 0.00% | −163,489−79.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 44,429 | $630.0K | 0.00% | +5,115+13.0% | Added |
| Citadel Advisors LLC | 46,641 | $671.6K | 0.00% | −8,882−16.0% | Reduced |
| Two Sigma Advisers, LP | 48,400 | $697.0K | 0.00% | −21,700−31.0% | Reduced |
| Quantinno Capital Management LP | 49,993 | $719.9K | 0.00% | +22,647+82.8% | Added |
| Bradley Foster & Sargent Inc | 50,349 | $725.0K | 0.01% | +147+0.3% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 54,745 | $787.2K | 0.00% | −488−0.9% | Reduced |
| Mariner, LLC | 55,423 | $797.0K | 0.00% | +23,117+71.6% | Added |
| ExodusPoint Capital Management, LP | 55,610 | $800.8K | 0.01% | +55,610 | New |
| Rafferty Asset Management, LLC | 59,199 | $852.5K | 0.00% | −6,660−10.1% | Reduced |
| Man Group plc | 63,571 | $915.4K | 0.00% | −48,827−43.4% | Reduced |
| Alliancebernstein L.P. | 64,730 | $932.1K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 65,825 | $947.9K | 0.00% | −7,199−9.9% | Reduced |
| D. E. Shaw & Co., Inc. | 68,388 | $984.8K | 0.00% | +68,388 | New |
| Cerity Partners LLC | 71,488 | $1.03M | 0.00% | +6,211+9.5% | Added |
| CWM, LLC | 73,858 | $1.06M | 0.00% | +5,823+8.6% | Added |
| ACT Capital Management, LLC | 82,500 | $1.19M | 0.96% | +82,500 | New |
| Wells Fargo & Company | 85,103 | $1.23M | 0.00% | +11,584+15.8% | Added |
| Raymond James Financial Inc | 86,001 | $1.24M | 0.00% | −9,277−9.7% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 93,917 | $1.35M | 0.05% | −47,809−33.7% | Reduced |
| American Century Companies Inc | 113,134 | $1.63M | 0.00% | −5,521−4.7% | Reduced |
| Massachusetts Financial Services Co | 114,988 | $1.66M | 0.00% | −3,807−3.2% | Reduced |
| Propel Bio Management, LLC | 116,896 | $1.68M | 1.44% | +116,896 | New |
| Royce & Associates LP | 119,038 | $1.71M | 0.02% | +119,038 | New |
| DekaBank Deutsche Girozentrale | 74,600 | $1.80M | 0.00% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 129,941 | $1.87M | 0.00% | −24,345−15.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 133,556 | $1.92M | 0.03% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 140,000 | $2.02M | 0.01% | −60,000−30.0% | Reduced |
| ADAR1 Capital Management, LLC | 144,848 | $2.09M | 0.16% | −60,561−29.5% | Reduced |
| Bank of New York Mellon Corp | 145,594 | $2.10M | 0.00% | −4,539−3.0% | Reduced |
| Nomura Asset Management International Inc. | 149,000 | $2.15M | 0.00% | +149,000 | New |
| Invesco Ltd. | 157,903 | $2.27M | 0.00% | +8,023+5.4% | Added |
| Barclays PLC | 164,421 | $2.37M | 0.00% | −61,519−27.2% | Reduced |
| Jump Financial, LLC | 178,025 | $2.56M | 0.03% | +128,025+256.1% | Added |
| Ieq Capital, LLC | 186,667 | $2.69M | 0.01% | +27,863+17.5% | Added |
| Deutsche Bank AG | 192,582 | $2.77M | 0.00% | +1,527+0.8% | Added |
| Jane Street Group, LLC | 196,521 | $2.83M | 0.00% | −94,641−32.5% | Reduced |
| Moore Capital Management, LP | 200,000 | $2.88M | 0.06% | +50,000+33.3% | Added |
| UBS Group AG | 206,689 | $2.98M | 0.00% | −55,731−21.2% | Reduced |
| Millennium Management LLC | 214,666 | $3.09M | 0.00% | +128,007+147.7% | Added |
| Botty Investors LLC | 222,278 | $3.20M | 0.76% | −1,250−0.6% | Reduced |
| Panagora Asset Management Inc | 222,715 | $3.21M | 0.01% | +15,942+7.7% | Added |
| Ameriprise Financial Inc | 247,367 | $3.56M | 0.00% | +5,289+2.2% | Added |
| Trexquant Investment LP | 250,698 | $3.61M | 0.03% | −20,841−7.7% | Reduced |
| FMR LLC | 266,095 | $3.83M | 0.00% | +70,905+36.3% | Added |
| GSK plc | 271,456 | $3.91M | 0.49% | +271,456 | New |
| Voss Capital, LLC | 295,000 | $4.25M | 0.23% | −205,000−41.0% | Reduced |
| HRT Financial LP | 299,915 | $4.32M | 0.01% | +127,729+74.2% | Added |
| Bank of America Corp | 300,609 | $4.33M | 0.00% | −114,697−27.6% | Reduced |
| Renaissance Technologies LLC | 333,086 | $4.80M | 0.01% | +23,600+7.6% | Added |
| Stifel Financial Corp | 335,046 | $4.82M | 0.00% | +14,636+4.6% | Added |
| Northern Trust Corp | 373,689 | $5.38M | 0.00% | −27,321−6.8% | Reduced |
| Acadian Asset Management LLC | 375,399 | $5.40M | 0.01% | −23,733−5.9% | Reduced |
| Charles Schwab Investment Management Inc | 391,461 | $5.64M | 0.00% | −527−0.1% | Reduced |
| Qube Research & Technologies Ltd | 442,690 | $6.37M | 0.01% | +157,859+55.4% | Added |
| Pale Fire Capital SE | 499,526 | $7.19M | 0.93% | +243,925+95.4% | Added |
| Nuveen, LLC | 658,510 | $9.48M | 0.00% | +106,363+19.3% | Added |
| Dimensional Fund Advisors LP | 903,851 | $13.0M | 0.00% | −201,176−18.2% | Reduced |
| 22NW, LP | 923,679 | $13.3M | 10.25% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,145,206 | $16.5M | 0.00% | +19,658+1.7% | Added |
| Assenagon Asset Management S.A. | 1,160,380 | $16.7M | 0.03% | +454,977+64.5% | Added |
| Integral Health Asset Management, LLC | 1,200,000 | $17.3M | 0.88% | +100,000+9.1% | Added |
| AQR Capital Management LLC | 1,361,962 | $19.6M | 0.01% | +72,307+5.6% | Added |
| Goldman Sachs Group Inc | 1,785,437 | $25.7M | 0.00% | −66,777−3.6% | Reduced |
| Morgan Stanley | 2,014,788 | $29.0M | 0.00% | +310,520+18.2% | Added |
| State Street Corp | 2,286,736 | $32.9M | 0.00% | +301,858+15.2% | Added |
| Vanguard Group Inc | 3,374,140 | $48.6M | 0.00% | +36,042+1.1% | Added |
| JPMorgan Chase & Co | 3,553,502 | $51.2M | 0.00% | −483,746−12.0% | Reduced |
| Redmile Group, LLC | 4,368,804 | $62.9M | 4.63% | −324,585−6.9% | Reduced |
| BlackRock, Inc. | 5,756,811 | $82.9M | 0.00% | −614,082−9.6% | Reduced |
| Invenomic Capital Management LP | 0 | $0 | 0.00% | −426,904−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −149,000−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −56,029−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −29,730−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −13,005−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −10,348−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −10,040−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −4,995−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −4,123−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −3,806−100.0% | Sold out |
| Foster Dykema Cabot & Partners, LLC | 0 | $0 | 0.00% | −1,946−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −59−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |