REGENXBIO INC (RGNX) Institutional Ownership Changes & 13F Activity
REGENXBIO INC (RGNX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Assenagon Asset Management S.A., Integral Health Asset Management, Llc, Citadel Advisors Llc, D. E. Shaw & Co., Inc., and Goldman Sachs Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +111 | +0.9% | 13,048 | $156.31K | Q2 2026 | Sep 09, 2026 |
| Palogic Value Management, L.P. | Buy | +40 | +0.1% | 30,040 | $359.88K | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Buy | +669,023 | — | 669,023 | $8.01M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +217,661 | — | 217,661 | $2.61M | Q2 2026 | Aug 27, 2026 |
| California State Teachers Retirement System | Sell | -1,870 | -73.9% | 662 | $7.93K | Q2 2026 | Aug 24, 2026 |
| Assenagon Asset Management S.A. | Sell | -811,332 | -82.7% | 169,279 | $2.03M | Q2 2026 | Aug 21, 2026 |
| Mercer Global Advisors Inc | Buy | +7,604 | +31.9% | 31,444 | $376.70K | Q2 2026 | Aug 19, 2026 |
| Integral Health Asset Management, Llc | Sell | -700,000 | -46.7% | 800,000 | $9.58M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +426,813 | +149.2% | 712,814 | $8.54M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -418,010 | -22.7% | 1,421,453 | $17.03M | Q2 2026 | Aug 14, 2026 |
| Lazard Asset Management Llc | Buy | +370,375 | — | 370,375 | $4.44M | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +326,646 | +31.1% | 1,378,358 | $16.51M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +195,588 | +68.6% | 480,762 | $5.76M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +193,685 | +59.6% | 518,545 | $6.21M | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Buy | +173,828 | +190.8% | 264,912 | $3.17M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +147,945 | +140.2% | 253,493 | $3.04M | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +133,851 | — | 133,851 | $1.60M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +114,916 | +20.7% | 669,808 | $8.02M | Q2 2026 | Aug 14, 2026 |
| Ameriprise Financial Inc | Buy | +100,055 | — | 100,055 | $1.20M | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Buy | +86,420 | — | 86,420 | $1.04M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Buy | +73,400 | +216.5% | 107,300 | $1.29M | Q2 2026 | Aug 14, 2026 |
| Susquehanna Portfolio Strategies, Llc | Sell | -67,130 | -36.0% | 119,471 | $1.43M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +62,391 | +535.3% | 74,047 | $887.08K | Q2 2026 | Aug 14, 2026 |
| Hudson Bay Capital Management Lp | Buy | +45,000 | +25.0% | 225,000 | $2.70M | Q2 2026 | Aug 14, 2026 |
| Aquatic Capital Management Llc | Buy | +43,998 | — | 43,998 | $527.10K | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager Lp | Sell | -29,300 | -46.0% | 34,400 | $412.11K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +27,350 | +54.2% | 77,852 | $932.67K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -23,360 | -34.6% | 44,067 | $527.92K | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +20,014 | +34.3% | 78,364 | $937.85K | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Sell | -19,428 | -34.8% | 36,402 | $437.55K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about RGNX activity
Which institutional owners are buying RGNX?
Institutional owners buying RGNX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RGNX activity?
"Buy" means an investor increased their reported position in RGNX compared to the prior reporting period. This reflects growing exposure to REGENXBIO INC (RGNX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RGNX increasing?
Institutional interest in RGNX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related RGNX Institutional Insights
- RGNX Overview
- RGNX 13F Institutional Holders
- RGNX Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- RGNX Insider Trading & SEC Form 4 Activity
- RGNX Articles
- Top Institutional Investor Stock Rankings