REGENXBIO Ownership | Who Owns REGENXBIO?
REGENXBIO Ownership Summary
REGENXBIO is owned by 81.12% institutional investors, 7.59% insiders, and 11.29% retail investors. Blackrock is the largest institutional shareholder, holding 18.83% of RGNX shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.94% of its assets in REGENXBIO shares.
RGNX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | REGENXBIO | 81.12% | 7.59% | 11.29% |
| Sector | Healthcare Stocks | 279.19% | 10.62% | -189.81% |
| Industry | Biotech Stocks | 63.96% | 10.74% | 25.30% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 8.61M | 18.83% | $100.73M |
| Blackrock funding, inc. /de | 5.47M | 10.76% | $42.25M |
| Redmile group | 4.79M | 9.44% | $37.06M |
| Jpmorgan chase | 4.14M | 8.14% | $31.98M |
| State street | 2.87M | 6.28% | $33.62M |
| Vanguard group | 2.99M | 5.88% | $23.08M |
| Millennium management | 1.32M | 2.60% | $10.22M |
| Morgan stanley | 1.18M | 2.58% | $13.80M |
| Balyasny asset management | 1.19M | 2.34% | $9.18M |
| Dimensional fund advisors lp | 1.17M | 2.31% | $9.05M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sonic gp | 453.08K | 10.94% | $5.30M |
| Aquilo capital management | 346.30K | 4.04% | $2.68M |
| Redmile group | 4.79M | 2.58% | $37.06M |
| Lion point capital, lp | 57.75K | 2.34% | $446.41K |
| Integral health asset management | 950.00K | 1.06% | $11.12M |
| Ghost tree capital | 170.00K | 0.62% | $1.99M |
| Archpoint investors | 221.53K | 0.56% | $1.71M |
| Napatree capital | 49.76K | 0.47% | $582.24K |
| Avidity partners management lp | 532.00K | 0.40% | $4.11M |
| Adar1 capital management | 170.13K | 0.26% | $1.32M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Jpmorgan chase | 4.14M | 0.00% | 1.66M |
| Millennium management | 1.32M | 0.01% | 1.06M |
| Blackrock | 8.61M | 0.00% | 1.01M |
| Norges bank | 449.40K | 0.00% | 449.40K |
| Cubist systematic strategies | 361.31K | 0.02% | 361.31K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 5.47M | 0.00% | -3.38M |
| Vanguard group | 2.99M | 0.00% | -1.38M |
| Avidity partners management lp | 532.00K | 0.40% | -600.56K |
| Aquilo capital management | 346.30K | 4.04% | -584.41K |
| Adage capital partners gp | - | - | -500.00K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 449.40K | 0.00% | 449.40K | $3.47M |
| Voss capital | 332.81K | 0.19% | 332.81K | $2.57M |
| Renaissance | 271.30K | 0.00% | 271.30K | $2.10M |
| Raymond james financial | 73.51K | 0.00% | 73.51K | $568.23K |
| Point72 asia (singapore) pte. | 57.84K | 0.12% | 57.84K | $447.11K |
Sold Out
| Holder | Change |
|---|---|
| Tradewinds capital management | -3.00 |
| Mendota financial group | -4.00 |
| Smartleaf asset management | -5.00 |
| Nelson, van denburg & campbell wealth management group | -8.00 |
| Innealta capital | -8.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 171 | -6.04% | 41,665,554 | -0.97% | 81 | 1.18% | 87 | -9.38% | 54 | 8.00% |
| Dec 31, 2024 | 170 | -11.92% | 38,152,884 | -12.63% | 75 | 1.02% | 92 | -3.16% | 46 | -9.80% |
| Sep 30, 2024 | 193 | 4.32% | 43,669,664 | -0.24% | 85 | 1.15% | 96 | -4.95% | 51 | 10.87% |
| Jun 30, 2024 | 181 | -5.73% | 43,737,010 | 3.28% | 95 | 1.02% | 100 | -1.96% | 44 | -15.38% |
| Mar 31, 2024 | 192 | 10.34% | 42,349,938 | 11.14% | 96 | 1.29% | 102 | 25.93% | 52 | -11.86% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 2.94M | 5.94% | - |
| JPMorgan Small Cap Growth A | 1.98M | 3.94% | - |
| Vanguard US Total Market Shares ETF | 1.40M | 2.80% | - |
| Vanguard Total Stock Mkt Idx Inv | 1.40M | 2.79% | - |
| iShares Russell 2000 ETF | 1.19M | 2.37% | 582.00 |
| SPDR® S&P Biotech ETF | 996.50K | 2.01% | -6.06K |
| Vanguard Institutional Extnd Mkt Idx Tr | 713.85K | 1.42% | 1.86K |
| Vanguard Strategic Small-Cap Equity Inv | 632.38K | 1.26% | 347.06K |
| Vanguard Small Cap Index | 561.89K | 1.13% | 3.30K |
| Fidelity Small Cap Index | 461.42K | 0.92% | 2.16K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 12, 2025 | Mills Kenneth T. | - | Sell | $163.05K |
| Oct 01, 2024 | KARABELAS ARGERIS N | - | Sell | $101.05K |
| Sep 03, 2024 | KARABELAS ARGERIS N | - | Sell | $106.95K |
| Sep 03, 2024 | KARABELAS ARGERIS N | - | Sell | $8.64K |
| Aug 01, 2024 | KARABELAS ARGERIS N | - | Sell | $129.12K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | - |
| 2024 Q4 | - | 1 |
| 2024 Q3 | - | 13 |
| 2024 Q2 | - | 2 |
RGNX Ownership FAQ
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