RegenxbioRGNX
13F holders, Q1 2026 (March 31)178holders +4
28new positions
24sold out
6famous investors
$8.34avg. 13F price*
At the end of Q1 2026, 178 institutions reported holding Regenxbio Inc. (RGNX) in their 13F filings, up 4 from Q4 2025. 28 opened new positions and 24 sold out. The largest holders were BlackRock, Inc. ($48.5M), Redmile Group, LLC ($36.6M) and JPMorgan Chase & Co. ($27.1M). 6 famous investors held it, including Cliff Asness (0.0% of AQR Capital Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Regenxbio Inc.
- CUSIP
- 75901B107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $10.2M |
| Exits | 24 | $15.5M |
All 13F filers, Q4 2025 → Q1 2026: 4,847,809 shares bought and 3,341,662 shares sold, net +1,506,147 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 178 holders
| BlackRock, Inc. | 0.00% | Add +0.5% | 5,782,808 | $48.5M |
| Redmile Group, LLC | 2.42% | No change | 4,368,804 | $36.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -2.0% | 3,483,800 | $27.1M |
| State Street Corp. | 0.00% | Add +19.4% | 2,731,485 | $22.9M |
| Morgan Stanley | 0.00% | Add +2.5% | 2,066,157 | $17.3M |
| Vanguard Capital Management LLC | 0.00% | — | 2,007,146 | $16.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +3.0% | 1,839,463 | $15.4M |
| Integral Health Asset Management, LLC | 0.67% | Add +25.0% | 1,500,000 | $12.6M |
| Qube Research & Technologies Ltd | 0.02% | Add +196.0% | 1,310,493 | $11.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.7% | 1,137,498 | $9.5M |
| AQR Capital Management | 0.00% | Reduce -22.8% | 1,051,712 | $8.8M |
| Vanguard Portfolio Management LLC | 0.00% | — | 1,018,901 | $8.5M |
| Dimensional Fund Advisors LP | 0.00% | Add +11.8% | 1,010,381 | $8.5M |
| Assenagon Asset Management S.A. | 0.01% | Reduce -15.5% | 980,611 | $8.2M |
| Nuveen, LLC | 0.00% | Reduce -11.6% | 582,016 | $4.9M |
| Two Sigma Investments, LP | 0.00% | Add +327.0% | 554,892 | $4.6M |
| Pale Fire Capital SE | 0.36% | Reduce -1.2% | 493,726 | $4.1M |
| 22NW, LP | 2.83% | Reduce -46.6% | 492,759 | $4.1M |
| Northern Trust Corp. | 0.00% | Add +5.3% | 393,640 | $3.3M |
| Stifel Financial Corp. | 0.00% | Add +17.2% | 392,769 | $3.3M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.2% | 390,601 | $3.3M |
| HRT Financial LP | 0.01% | Add +17.2% | 351,489 | $2.9M |
| Bank of America Corp. | 0.00% | Add +8.1% | 324,860 | $2.7M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 312,064 | $2.6M |
| FMR LLC | 0.00% | Add +17.0% | 311,268 | $2.6M |
| Renaissance Technologies | 0.00% | Reduce -8.3% | 305,286 | $2.6M |
| Voss Capital, LP | 0.14% | Add +0.3% | 295,787 | $2.5M |
| D. E. Shaw & Co. | 0.00% | Add +318.2% | 286,001 | $2.4M |
| Millennium Management | 0.00% | Add +32.9% | 285,174 | $2.4M |
| Y-Intercept (Hong Kong) Ltd | 0.04% | New | 275,021 | $2.3M |
| GSK plc | 0.38% | No change | 271,456 | $2.3M |
| UBS Group AG | 0.00% | Add +24.6% | 257,463 | $2.2M |
| ArchPoint Investors | 0.44% | No change | 222,278 | $1.9M |
| Jump Financial, LLC | 0.03% | Add +24.0% | 220,789 | $1.9M |
| Ameriprise Financial Inc. | 0.00% | Reduce -19.0% | 200,352 | $1.7M |
| Prosight Management, LP | 0.27% | New | 200,000 | $1.7M |
| Deutsche Bank AG | 0.00% | Add +2.3% | 196,971 | $1.7M |
| Man Group plc | 0.00% | Add +195.1% | 187,625 | $1.6M |
| Susquehanna Portfolio Strategies, LLC | 0.02% | Add +39.7% | 186,601 | $1.6M |
| Hudson Bay Capital Management LP | 0.01% | Add +28.6% | 180,000 | $1.5M |
| Invesco Ltd. | 0.00% | Add +0.6% | 158,829 | $1.3M |
| Nomura Asset Management International Inc. | 0.00% | No change | 149,000 | $1.2M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.7% | 140,219 | $1.2M |
| Point72 Asset Management | 0.00% | Add +318.7% | 139,791 | $1.2M |
| Ieq Capital, LLC | 0.01% | Reduce -25.2% | 139,639 | $1.2M |
| ExodusPoint Capital Management, LP | 0.01% | Add +107.6% | 115,444 | $967K |
| Russell Investments Group, Ltd. | 0.00% | Add +1070.9% | 113,425 | $951K |
| Massachusetts Financial Services Co. | 0.00% | Reduce -2.6% | 112,011 | $939K |
| Alliancebernstein L.P. | 0.00% | No change | 64,730 | $932K |
| Vestal Point Capital, LP | 0.03% | Add +219.2% | 108,525 | $909K |
| Jane Street Group, LLC | 0.00% | Reduce -46.3% | 105,548 | $884K |
| Panagora Asset Management Inc. | 0.00% | Reduce -54.1% | 102,140 | $856K |
| Raymond James Financial Inc. | 0.00% | Add +17.7% | 101,245 | $848K |
| Centiva Capital, LP | 0.04% | New | 100,000 | $838K |
| Jefferies Financial Group Inc. | 0.01% | New | 95,400 | $799K |
| Susquehanna International Group, LLP | 0.00% | Add +483.0% | 91,084 | $763K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -5.9% | 88,385 | $741K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 85,248 | $714K |
| Rafferty Asset Management, LLC | 0.00% | Add +24.8% | 73,878 | $619K |
| Cwm, LLC | 0.00% | Reduce -2.4% | 72,115 | $604K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 74,600 | $589K |
| Barclays PLC | 0.00% | Reduce -59.0% | 67,427 | $565K |
| Birchview Capital, LP | 0.32% | New | 66,270 | $555K |
| Engineers Gate Manager LP | 0.01% | New | 63,700 | $534K |
| Rhumbline Advisers | 0.00% | Reduce -8.1% | 60,487 | $507K |
| Cerity Partners LLC | 0.00% | Reduce -18.3% | 58,377 | $489K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +6.6% | 58,350 | $486K |
| Act Capital Management, LLC | 0.37% | Reduce -32.1% | 56,000 | $469K |
| HSBC Holdings PLC | 0.00% | Add +28.5% | 55,830 | $467K |
| T. Rowe Price Associates Inc. | 0.00% | Add +31.1% | 51,129 | $429K |
| Wells Fargo & Company | 0.00% | Reduce -40.7% | 50,502 | $423K |
| Harbor Capital Advisors, Inc. | 0.03% | New | 48,492 | $406K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | Add +0.1% | 44,460 | $379K |
| ADAR1 Capital Management, LLC | 0.02% | Reduce -69.3% | 44,416 | $372K |
| Quantinno Capital Management LP | 0.00% | Reduce -12.1% | 43,951 | $368K |
| Voleon Capital Management LP | 0.01% | New | 42,152 | $353K |
| Alps Advisors Inc. | 0.00% | Add +1.1% | 42,012 | $352K |
| Ionic Capital Management LLC | 0.35% | New | 41,500 | $348K |
| Mariner, LLC | 0.00% | Reduce -31.4% | 37,999 | $318K |
| XTX Topco Ltd | 0.00% | New | 33,900 | $284K |
| Militia Capital Management LLC | 0.06% | — | 33,500 | $281K |
| Profund Advisors LLC | 0.01% | Add +48.5% | 33,045 | $277K |
| Rockefeller Capital Management L.P. | 0.00% | Add +13.6% | 31,502 | $264K |
| Creative Planning | 0.00% | Reduce -9.2% | 30,001 | $251K |
| Palogic Value Management, L.P. | 0.11% | New | 30,000 | $251K |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +42.4% | 28,262 | $237K |
| Bradley Foster & Sargent Inc. | 0.00% | Reduce -47.0% | 26,699 | $224K |
| Lion Point Capital, LP | 1.33% | No change | 26,600 | $223K |
| Citigroup Inc. | 0.00% | Add +177.0% | 25,650 | $215K |
| Tudor Investment Corporation | 0.00% | No change | 24,310 | $204K |
| Algert Global LLC | 0.00% | New | 23,900 | $200K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -1.2% | 23,840 | $200K |
| Polymer Capital Management (US) LLC | 0.03% | New | 23,752 | $199K |
| State of Wisconsin Investment Board | 0.00% | Reduce -40.5% | 22,352 | $187K |
| BNP Paribas Financial Markets | 0.00% | Add +66.8% | 21,707 | $182K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -2.4% | 20,870 | $175K |
| DNB Asset Management AS | 0.00% | Reduce -20.6% | 20,326 | $170K |
| MetLife Investment Management, LLC | 0.00% | Reduce -23.7% | 20,030 | $168K |
| SG Americas Securities, LLC | 0.00% | Reduce -51.0% | 19,847 | $166K |
| Virtus Investment Advisers, LLC | 0.05% | Add +2.5% | 19,660 | $165K |
"% of holder's portfolio" is RGNX's weight in each manager's 13F, not the share of Regenxbio Inc. the manager owns.