RGNX
REGENXBIO (RGNX)
NASDAQ
$6.70+$0.18 (+2.68%)
Price as of Jun 03, 2026 7:30 PM EDT
  • $362.4M
    Market Cap
  • -35.64%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK INC.
16.65%
8.6M
+1.0M (+11.73%)
Jun 30, 2024
BLACKROCK, INC.
11.19%
5.8M
+25,997 (+0.45%)
Mar 31, 2026
BLACKROCK FUNDING, INC. /DE
10.57%
5.5M
-3.4M (-61.81%)
Dec 31, 2024
REDMILE GROUP, LLC
8.45%
4.4M
0 (0.00%)
Mar 31, 2026
JPMORGAN CHASE & CO
6.74%
3.5M
-69,702 (-2.00%)
Mar 31, 2026
VANGUARD GROUP INC
6.53%
3.4M
+36,042 (+1.07%)
Dec 31, 2025
STATE STREET CORP
5.28%
2.7M
+444,749 (+16.28%)
Mar 31, 2026

Current Ownership Distribution

  • Institutions719.5M (79.79%)
  • Mutual Funds178.1M (19.75%)
  • Insiders4.1M (0.46%)
  • Other0 (0.00%)

Insider Transactions

  • 0.46% (4.1M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $12.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Bennett Jean
Award
May 29, 2026
$0.00
46,600
$0.00
46,600
Mills Kenneth T.
Award
May 29, 2026
$0.00
46,600
$0.00
46,600
Glucksmann Alexandra
Award
May 29, 2026
$0.00
46,600
$0.00
46,600
Mills Kenneth T.
Award
May 29, 2026
$0.00
9,807
$0.00
495,925
Bennett Jean
Award
May 29, 2026
$0.00
9,807
$0.00
28,861
Glucksmann Alexandra
Award
May 29, 2026
$0.00
9,807
$0.00
28,861
Fox Allan M.
Award
May 29, 2026
$0.00
46,600
$0.00
46,600
Fox Allan M.
Award
May 29, 2026
$0.00
9,807
$0.00
28,861
PAKOLA STEVE
Chief Medical Officer
Sell
May 11, 2026
$168,705.18
15,309
$11.02
232,617
PAKOLA STEVE
Chief Medical Officer
Sell
Mar 10, 2026
$53,033.40
5,124
$10.35
247,926
PAKOLA STEVE
Chief Medical Officer
In Kind
Feb 01, 2026
$58,779.72
5,267
$11.16
253,050
Mills Kenneth T.
Exempt
Jan 27, 2026
$0.00
225,000
$0.00
225,000
Mills Kenneth T.
Exempt
Jan 27, 2026
$2.9M
225,000
$13.09
707,871
Mills Kenneth T.
In Kind
Jan 27, 2026
$3.0M
221,753
$13.41
486,118
Christmas Patrick J.
Chief Strategy & Legal Officer
Award
Jan 06, 2026
$0.00
39,650
$0.00
39,650
Simpson Curran
Chief Executive Officer
Award
Jan 06, 2026
$0.00
233,651
$0.00
233,651
Chan Mitchell
Chief Financial Officer
Award
Jan 06, 2026
$0.00
39,650
$0.00
39,650
Simpson Curran
Chief Executive Officer
Award
Jan 06, 2026
$0.00
144,864
$0.00
342,467
Christmas Patrick J.
Chief Strategy & Legal Officer
Award
Jan 06, 2026
$0.00
73,749
$0.00
215,367
Malzahn Craig
Chief Technology Officer
Award
Jan 06, 2026
$0.00
35,402
$0.00
35,402
PAKOLA STEVE
Chief Medical Officer
Award
Jan 06, 2026
$0.00
35,402
$0.00
35,402
Chan Mitchell
Chief Financial Officer
Award
Jan 06, 2026
$0.00
73,749
$0.00
127,717
PAKOLA STEVE
Chief Medical Officer
Award
Jan 06, 2026
$0.00
65,847
$0.00
258,317
Malzahn Craig
Chief Technology Officer
Award
Jan 06, 2026
$0.00
65,847
$0.00
82,194
Christmas Patrick J.
Chief Strategy & Legal Officer
In Kind
Jan 02, 2026
$141,019.20
9,793
$14.40
141,618
Simpson Curran
Chief Executive Officer
In Kind
Jan 02, 2026
$267,249.60
18,559
$14.40
197,603
PAKOLA STEVE
Chief Medical Officer
In Kind
Jan 02, 2026
$262,756.80
18,247
$14.40
192,470
Malzahn Craig
Chief Technology Officer
In Kind
Jan 02, 2026
$17,827.20
1,238
$14.40
16,347
Simpson Curran
Chief Executive Officer
Sell
Oct 09, 2025
$262,634.82
20,811
$12.62
216,162
Simpson Curran
Chief Executive Officer
Sell
Sep 29, 2025
$76,468.72
7,624
$10.03
236,973