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Regenxbio

164 hedge funds and large institutions have $298M invested in Regenxbio in 2025 Q1 according to their latest regulatory filings, with 33 funds opening new positions, 52 increasing their positions, 53 reducing their positions, and 44 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

2% less repeat investments, than reductions

Existing positions increased: 52 | Existing positions reduced: 53

1.77% less ownership

Funds ownership: 84.96%83.18% (-1.8%)

7% less funds holding

Funds holding: 177164 (-13)

8% less capital invested

Capital invested by funds: $325M → $298M (-$27.4M)

25% less first-time investments, than exits

New positions opened: 33 | Existing positions closed: 44

31% less call options, than puts

Call options by funds: $566K | Put options by funds: $818K

Holders
164
Holders Change
-13
Holders Change %
-7.34%
% of All Funds
2.2%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
33
Increased
52
Reduced
53
Closed
44
Calls
$566K
Puts
$818K
Net Calls
-$252K
Net Calls Change
-$1.16M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$39M -$86.2K -11,582 -0.2%
RG
2
Redmile Group
California
$34.3M
JP Morgan Chase
3
JP Morgan Chase
New York
$31.2M +$1.69M +227,826 +6%
Vanguard Group
4
Vanguard Group
Pennsylvania
$24.8M +$3.62M +487,036 +16%
Morgan Stanley
5
Morgan Stanley
New York
$14.8M +$473K +63,584 +3%
Balyasny Asset Management
6
Balyasny Asset Management
Illinois
$10M +$1.57M +211,395 +18%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$8.21M -$176K -23,696 -2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$7.92M +$94.6K +12,721 +1%
State Street
9
State Street
Massachusetts
$7.62M -$8.33M -1,119,758 -51%
Citadel Advisors
10
Citadel Advisors
Florida
$7.35M +$3.29M +442,128 +76%
IHAM
11
Integral Health Asset Management
New York
$6.61M +$186K +25,000 +3%
Goldman Sachs
12
Goldman Sachs
New York
$5.38M -$26.1K -3,511 -0.5%
2L
13
22NW LP
Washington
$4.78M +$4.97M +668,679 New
Bank of America
14
Bank of America
North Carolina
$4.66M +$2.76M +370,739 +132%
AQR Capital Management
15
AQR Capital Management
Connecticut
$4.44M +$4.42M +594,161 +2,248%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$4.1M -$2.11M -283,399 -33%
TI
17
Trexquant Investment
Connecticut
$3.28M +$2.29M +308,516 +206%
Jane Street
18
Jane Street
New York
$2.96M +$1.85M +249,156 +151%
Northern Trust
19
Northern Trust
Illinois
$2.91M -$432K -58,141 -12%
EAM
20
Exome Asset Management
New York
$2.9M +$3.01M +405,281 New
Qube Research & Technologies (QRT)
21
Qube Research & Technologies (QRT)
United Kingdom
$2.81M +$289K +38,802 +11%
VC
22
Voss Capital
Texas
$2.79M +$425K +57,186 +17%
Charles Schwab
23
Charles Schwab
California
$2.62M +$125K +16,819 +5%
CSS
24
Cubist Systematic Strategies
Connecticut
$2.56M -$26.2K -3,521 -1%
ACM
25
ADAR1 Capital Management
Texas
$2.51M +$1.34M +180,223 +106%