Ticker · CUSIP 75901B107
Holders (tracked)
11
Combined shares
2,284,773
Combined value
$32.34M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+2 vs previous quarter over the last 8.
SEC event timeline
15 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−8,882 shares · 2025Q413F
- D.E. Shaw & Co. opened position2026-02-17+68,388 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) added2026-02-17+128,007 shares · 2025Q413F
- Steve Cohen (Point72) opened position2026-02-17+33,384 shares · 2025Q413F
- T. Rowe Price added2026-02-17+3 shares · 2025Q413F
- +24,310 shares · 2025Q413F
- AQR Capital Management added2026-02-17+72,307 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−24,345 shares · 2025Q413F
- Renaissance Technologies added2026-02-12+23,600 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2025-11-14−25,290 shares · 2025Q313F
- AQR Capital Management added2025-11-14+359,459 shares · 2025Q313F
- Two Sigma Investments trimmed2025-11-14−53,665 shares · 2025Q313F
- T. Rowe Price added2025-11-14+11,012 shares · 2025Q313F
- Renaissance Technologies trimmed2025-11-13−425,714 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-12−147,546 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- D.E. Shaw & Co.+68,388$985K
- Steve Cohen (Point72)+33,384$481K
- Paul Tudor Jones (Tudor Investment)+24,310$350K
Added to4
- Izzy Englander (Millennium Mgmt)+128,007$1.8M
- AQR Capital Management+72,307$1.0M
- Renaissance Technologies+23,600$340K
- T. Rowe Price+3$0
Trimmed2
- Two Sigma Investments−24,345$351K
- Ken Griffin (Citadel Advisors)−8,882$128K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 12 | $11.82B |
| 2022Q2 | 8 | $8.25B |
| 2022Q3 | 12 | $8.8M |
| 2022Q4 | 11 | $178.8M |
| 2023Q1 | 10 | $173.2M |
| 2023Q2 | 11 | $189.1M |
| 2023Q3 | 11 | $154.2M |
| 2023Q4 | 10 | $159.1M |
| 2024Q1 | 11 | $173.7M |
| 2024Q2 | 12 | $112.5M |
| 2024Q3 | 9 | $7.8M |
| 2024Q4 | 11 | $24.6M |
| 2025Q1 | 9 | $19.1M |
| 2025Q2 | 8 | $19.1M |
| 2025Q3 | 9 | $19.1M |
| 2025Q4 | 11 | $32.3M |
Who owns RGNX
11 super-investors · 2025Q4
Tracked stake
2.28M
shares
Combined value
$32M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added4Trim4
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | AQR Capital Management | 1.36M | $20M |
| 2 | Renaissance Technologies | 333.1K | $5M |
| 3 | Izzy Englander Millennium Mgmt | 214.7K | $3M |
| 4 | Two Sigma Investments | 129.9K | $2M |
| 5 | D.E. Shaw & Co. | 68.4K | $985K |
| 6 | Ken Griffin Citadel Advisors | 46.6K | $672K |
| 7 | Steve Cohen Point72 | 33.4K | $481K |
| 8 | Paul Tudor Jones Tudor Investment | 24.3K | $350K |
| 9 | Ken Griffin Citadel Advisors | 21.7K | $312K |
| 10 | Ken Griffin Citadel Advisors | 11.7K | $168K |
| 11 | T. Rowe Price | 39.0K | $562 |
Recent moves
20 transactions
- −8,882 · 2025Q4
- +68,388 · 2025Q4
- +3 · 2025Q4
- −24,345 · 2025Q4
- +33,384 · 2025Q4
- +128,007 · 2025Q4
- +24,310 · 2025Q4
- +72,307 · 2025Q4
- +23,600 · 2025Q4
- +11,012 · 2025Q3
- −25,290 · 2025Q3
- +359,459 · 2025Q3
- −53,665 · 2025Q3
- −425,714 · 2025Q3
- −147,546 · 2024Q3
- −118,757 · 2025Q2
- +1,780 · 2025Q2
- −24,123 · 2025Q2
- −220,880 · 2025Q2
- +309,601 · 2025Q2
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