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, Q1 2026
Institutional positions in REGENXBIO Inc. as of Mar 31, 2026. 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
- 178
- +7 vs. Q4 2025
- Shares held
- 42.6M
- +4.84M (+12.8%) vs. Q4 2025
- Total value
- $355.1M
- −$189.1M (−34.7%) vs. Q4 2025
- New holders
- 33
- 61 more added
- Sold out
- 26
- 58 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding REGENXBIO Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ionic Capital Management LLC | 41,500 | $347.8K | 0.29% | +41,500 | New |
| Alps Advisors Inc | 42,012 | $352.1K | 0.00% | +444+1.1% | Added |
| Voleon Capital Management LP | 42,152 | $353.2K | 0.01% | +42,152 | New |
| Quantinno Capital Management LP | 43,951 | $368.3K | 0.00% | −6,042−12.1% | Reduced |
| ADAR1 Capital Management, LLC | 44,416 | $372.2K | 0.02% | −100,432−69.3% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 44,460 | $379.2K | 0.00% | +31+0.1% | Added |
| Harbor Capital Advisors, Inc. | 48,492 | $406.0K | 0.03% | +48,492 | New |
| Wells Fargo & Company | 50,502 | $423.2K | 0.00% | −34,601−40.7% | Reduced |
| Price T Rowe Associates Inc | 51,129 | $429.0K | 0.00% | +12,134+31.1% | Added |
| HSBC Holdings PLC | 55,830 | $467.3K | 0.00% | +12,391+28.5% | Added |
| ACT Capital Management, LLC | 56,000 | $469.3K | 0.37% | −26,500−32.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 58,350 | $485.8K | 0.00% | +3,605+6.6% | Added |
| Cerity Partners LLC | 58,377 | $489.2K | 0.00% | −13,111−18.3% | Reduced |
| Rhumbline Advisers | 60,487 | $506.9K | 0.00% | −5,338−8.1% | Reduced |
| Engineers Gate Manager LP | 63,700 | $533.8K | 0.01% | +63,700 | New |
| Birchview Capital, LP | 66,270 | $555.3K | 0.32% | +66,270 | New |
| Barclays PLC | 67,427 | $565.0K | 0.00% | −96,994−59.0% | Reduced |
| DekaBank Deutsche Girozentrale | 74,600 | $589.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 72,115 | $604.3K | 0.00% | −1,743−2.4% | Reduced |
| Rafferty Asset Management, LLC | 73,878 | $619.1K | 0.00% | +14,679+24.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 85,248 | $714.4K | 0.00% | +85,248 | New |
| Hennion & Walsh Asset Management, Inc. | 88,385 | $740.7K | 0.02% | −5,532−5.9% | Reduced |
| Susquehanna International Group, LLP | 91,084 | $763.3K | 0.00% | +75,460+483.0% | Added |
| Jefferies Financial Group Inc. | 95,400 | $799.5K | 0.01% | +95,400 | New |
| Centiva Capital, LP | 100,000 | $838.0K | 0.04% | +100,000 | New |
| Raymond James Financial Inc | 101,245 | $848.4K | 0.00% | +15,244+17.7% | Added |
| Panagora Asset Management Inc | 102,140 | $855.9K | 0.00% | −120,575−54.1% | Reduced |
| Jane Street Group, LLC | 105,548 | $884.5K | 0.00% | −90,973−46.3% | Reduced |
| Vestal Point Capital, LP | 108,525 | $909.4K | 0.03% | +74,525+219.2% | Added |
| Alliancebernstein L.P. | 64,730 | $932.1K | 0.00% | 00.0% | Unchanged |
| Massachusetts Financial Services Co | 112,011 | $938.7K | 0.00% | −2,977−2.6% | Reduced |
| Russell Investments Group, Ltd. | 113,425 | $950.5K | 0.00% | +103,738+1,070.9% | Added |
| ExodusPoint Capital Management, LP | 115,444 | $967.4K | 0.01% | +59,834+107.6% | Added |
| Ieq Capital, LLC | 139,639 | $1.17M | 0.01% | −47,028−25.2% | Reduced |
| Point72 Asset Management, L.P. | 139,791 | $1.17M | 0.00% | +106,407+318.7% | Added |
| Bank of New York Mellon Corp | 140,219 | $1.18M | 0.00% | −5,375−3.7% | Reduced |
| Nomura Asset Management International Inc. | 149,000 | $1.25M | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 158,829 | $1.33M | 0.00% | +926+0.6% | Added |
| Hudson Bay Capital Management LP | 180,000 | $1.51M | 0.01% | +40,000+28.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 186,601 | $1.56M | 0.02% | +53,045+39.7% | Added |
| Man Group plc | 187,625 | $1.57M | 0.00% | +124,054+195.1% | Added |
| Deutsche Bank AG | 196,971 | $1.65M | 0.00% | +4,389+2.3% | Added |
| Prosight Management, LP | 200,000 | $1.68M | 0.27% | +200,000 | New |
| Ameriprise Financial Inc | 200,352 | $1.68M | 0.00% | −47,015−19.0% | Reduced |
| Jump Financial, LLC | 220,789 | $1.85M | 0.03% | +42,764+24.0% | Added |
| Botty Investors LLC | 222,278 | $1.86M | 0.44% | 00.0% | Unchanged |
| UBS Group AG | 257,463 | $2.16M | 0.00% | +50,774+24.6% | Added |
| GSK plc | 271,456 | $2.27M | 0.38% | 00.0% | Unchanged |
| Y-Intercept (Hong Kong) Ltd | 275,021 | $2.30M | 0.04% | +275,021 | New |
| Millennium Management LLC | 285,174 | $2.39M | 0.00% | +70,508+32.8% | Added |
| D. E. Shaw & Co., Inc. | 286,001 | $2.40M | 0.00% | +217,613+318.2% | Added |
| Voss Capital, LLC | 295,787 | $2.48M | 0.14% | +787+0.3% | Added |
| Renaissance Technologies LLC | 305,286 | $2.56M | 0.00% | −27,800−8.3% | Reduced |
| FMR LLC | 311,268 | $2.61M | 0.00% | +45,173+17.0% | Added |
| Vanguard Fiduciary Trust Co | 312,064 | $2.62M | 0.00% | +312,064 | New |
| Bank of America Corp | 324,860 | $2.72M | 0.00% | +24,251+8.1% | Added |
| HRT Financial LP | 351,489 | $2.94M | 0.01% | +51,574+17.2% | Added |
| Charles Schwab Investment Management Inc | 390,601 | $3.27M | 0.00% | −860−0.2% | Reduced |
| Stifel Financial Corp | 392,769 | $3.29M | 0.00% | +57,723+17.2% | Added |
| Northern Trust Corp | 393,640 | $3.30M | 0.00% | +19,951+5.3% | Added |
| 22NW, LP | 492,759 | $4.13M | 3.25% | −430,920−46.7% | Reduced |
| Pale Fire Capital SE | 493,726 | $4.14M | 0.36% | −5,800−1.2% | Reduced |
| Two Sigma Investments, LP | 554,892 | $4.65M | 0.00% | +424,951+327.0% | Added |
| Nuveen, LLC | 582,016 | $4.88M | 0.00% | −76,494−11.6% | Reduced |
| Assenagon Asset Management S.A. | 980,611 | $8.22M | 0.01% | −179,769−15.5% | Reduced |
| Dimensional Fund Advisors LP | 1,010,381 | $8.46M | 0.00% | +106,530+11.8% | Added |
| Vanguard Portfolio Management LLC | 1,018,901 | $8.54M | 0.00% | +1,018,901 | New |
| AQR Capital Management LLC | 1,051,712 | $8.81M | 0.00% | −310,250−22.8% | Reduced |
| Geode Capital Management, LLC | 1,137,498 | $9.53M | 0.00% | −7,708−0.7% | Reduced |
| Qube Research & Technologies Ltd | 1,310,493 | $11.0M | 0.02% | +867,803+196.0% | Added |
| Integral Health Asset Management, LLC | 1,500,000 | $12.6M | 0.67% | +300,000+25.0% | Added |
| Goldman Sachs Group Inc | 1,839,463 | $15.4M | 0.00% | +54,026+3.0% | Added |
| Vanguard Capital Management LLC | 2,007,146 | $16.8M | 0.00% | +2,007,146 | New |
| Morgan Stanley | 2,066,157 | $17.3M | 0.00% | +51,369+2.5% | Added |
| State Street Corp | 2,731,485 | $22.9M | 0.00% | +444,749+19.4% | Added |
| JPMorgan Chase & Co | 3,483,800 | $27.1M | 0.00% | −69,702−2.0% | Reduced |
| Redmile Group, LLC | 4,368,804 | $36.6M | 2.42% | 00.0% | Unchanged |
| BlackRock, Inc. | 5,782,808 | $48.5M | 0.00% | +25,997+0.5% | Added |
| Trexquant Investment LP | 0 | $0 | 0.00% | −250,698−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −119,038−100.0% | Sold out |
| Propel Bio Management, LLC | 0 | $0 | 0.00% | −116,896−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −113,134−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −48,400−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −46,641−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −38,000−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −37,286−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −32,705−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −17,501−100.0% | Sold out |
| Bank of Nova Scotia | 0 | $0 | 0.00% | −17,473−100.0% | Sold out |
| Redwood Wealth Management Group, LLC | 0 | $0 | 0.00% | −17,385−100.0% | Sold out |
| Buckingham Strategic Partners | 0 | $0 | 0.00% | −12,676−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −12,205−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −11,545−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −11,042−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −10,750−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6,234−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −5,255−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,470−100.0% | Sold out |
| Country Trust Bank | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |