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Regenxbio

174 hedge funds and large institutions have $593M invested in Regenxbio in 2025 Q4 according to their latest regulatory filings, with 24 funds opening new positions, 62 increasing their positions, 60 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

71% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 14

49% more capital invested

Capital invested by funds: $399M → $593M (+$194M)

5% more funds holding

Funds holding: 166174 (+8)

8% more call options, than puts

Call options by funds: $2.83M | Put options by funds: $2.62M

3% more repeat investments, than reductions

Existing positions increased: 62 | Existing positions reduced: 60

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

0.6% less ownership

Funds ownership: 81.88%81.28% (-0.6%)

Holders
174
Holders Change
+8
Holders Change %
+4.82%
% of All Funds
2.12%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
24
Increased
62
Reduced
60
Closed
14
Calls
$2.83M
Puts
$2.62M
Net Calls
+$212K
Net Calls Change
+$332K
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$82.9M -$7.65M -614,082 -10%
RG
2
Redmile Group
California
$62.9M -$4.05M -324,585 -7%
JP Morgan Chase
3
JP Morgan Chase
New York
$51.2M -$6.03M -483,746 -12%
Vanguard Group
4
Vanguard Group
Pennsylvania
$48.6M +$449K +36,042 +1%
State Street
5
State Street
Massachusetts
$32.9M +$3.76M +301,858 +15%
Morgan Stanley
6
Morgan Stanley
New York
$29M +$3.87M +310,520 +18%
Goldman Sachs
7
Goldman Sachs
New York
$25.7M -$832K -66,777 -4%
AQR Capital Management
8
AQR Capital Management
Connecticut
$19.6M +$901K +72,307 +6%
IHAM
9
Integral Health Asset Management
New York
$17.3M +$1.25M +100,000 +9%
Assenagon Asset Management
10
Assenagon Asset Management
Luxembourg
$16.7M +$5.67M +454,977 +64%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$16.5M +$245K +19,658 +2%
2L
12
22NW LP
Washington
$13.3M
Dimensional Fund Advisors
13
Dimensional Fund Advisors
Texas
$13M -$2.51M -201,176 -18%
N
14
Nuveen
North Carolina
$9.48M +$1.33M +106,363 +19%
PFCS
15
Pale Fire Capital SE
Czech Republic
$7.19M +$3.04M +243,925 +95%
Qube Research & Technologies (QRT)
16
Qube Research & Technologies (QRT)
United Kingdom
$6.37M +$1.97M +157,859 +55%
Charles Schwab
17
Charles Schwab
California
$5.64M -$6.57K -527 -0.1%
Acadian Asset Management
18
Acadian Asset Management
Massachusetts
$5.4M -$296K -23,733 -6%
Northern Trust
19
Northern Trust
Illinois
$5.38M -$341K -27,321 -7%
Stifel Financial
20
Stifel Financial
Missouri
$4.82M +$182K +14,636 +5%
Renaissance Technologies
21
Renaissance Technologies
New York
$4.8M +$294K +23,600 +8%
Bank of America
22
Bank of America
North Carolina
$4.33M -$1.43M -114,697 -28%
HF
23
HRT Financial
New York
$4.32M +$1.59M +127,729 +74%
VC
24
Voss Capital
Texas
$4.25M -$2.56M -205,000 -41%
GP
25
GSK plc
$3.91M +$3.38M +271,456 New