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Regenxbio
RGNX

Overview Fund Activity

164 hedge funds and large institutions have $298M invested in Regenxbio in 2025 Q1 according to their latest regulatory filings, with 34 funds opening new positions, 51 increasing their positions, 53 reducing their positions, and 44 closing their positions.

Holders
164
Holders Change
-13
Holders Change %
-7.34%
% of All Funds
2.23%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
34
Increased
51
Reduced
53
Closed
44
Calls
$566K
Puts
$818K
Net Calls
-$252K
Net Calls Change
-$1.16M

Top Buyers

1
2L
1
22NW LP
Washington
$4.78M
2
AQR Capital Management
2
AQR Capital Management
Connecticut
$4.44M
3
Vanguard Group
3
Vanguard Group
Pennsylvania
$24.8M
4
Citadel Advisors
4
Citadel Advisors
Florida
$7.35M
5
EAM
5
Exome Asset Management
New York
$2.9M

Top Sellers

1
State Street
1
State Street
Massachusetts
$7.62M
2
Millennium Management
2
Millennium Management
New York
$2.38M
3
Adage Capital Partners
3
Adage Capital Partners
Massachusetts
$0
4
Norges Bank
4
Norges Bank
Norway
$0
5
RI
5
RTW Investments
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$39M 5,454,520 -11,582 -0.2%
RG
2
Redmile Group
California
$34.3M 4,794,780 – –
JPMorgan Chase & Co
3
JPMorgan Chase & Co
New York
$31.2M 4,364,343 +227,826 +6%
Vanguard Group
4
Vanguard Group
Pennsylvania
$24.8M 3,472,988 +487,036 +16%
Morgan Stanley
5
Morgan Stanley
New York
$14.8M 2,066,895 +63,584 +3%
Balyasny Asset Management
6
Balyasny Asset Management
Illinois
$10M 1,398,497 +211,395 +18%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$8.21M 1,147,726 -23,696 -2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$7.92M 1,106,946 +12,721 +1%
State Street
9
State Street
Massachusetts
$7.62M 1,066,093 -1,119,758 -51%
Citadel Advisors
10
Citadel Advisors
Florida
$7.35M 1,027,536 +442,128 +76%
IHAM
11
Integral Health Asset Management
New York
$6.61M 925,000 +25,000 +3%
Goldman Sachs
12
Goldman Sachs
New York
$5.38M 752,727 -3,511 -0.5%
2L
13
22NW LP
Washington
$4.78M 668,679 +668,679 New
Bank of America
14
Bank of America
North Carolina
$4.66M 651,943 +370,739 +132%
AQR Capital Management
15
AQR Capital Management
Connecticut
$4.44M 620,595 +594,161 +2,248%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$4.1M 573,173 -283,399 -33%
TI
17
Trexquant Investment
Connecticut
$3.28M 458,538 +308,516 +206%
Jane Street
18
Jane Street
New York
$2.96M 414,067 +249,156 +151%
Northern Trust
19
Northern Trust
Illinois
$2.91M 407,120 -58,141 -12%
EAM
20
Exome Asset Management
New York
$2.9M 405,281 +405,281 New
Qube Research & Technologies (QRT)
21
Qube Research & Technologies (QRT)
United Kingdom
$2.81M 392,795 +38,802 +11%
VC
22
Voss Capital
Texas
$2.79M 390,000 +57,186 +17%
Charles Schwab
23
Charles Schwab
California
$2.62M 366,549 +16,819 +5%
CSS
24
Cubist Systematic Strategies
Connecticut
$2.56M 357,792 -3,521 -1%
ACM
25
ADAR1 Capital Management
Texas
$2.51M 350,352 +180,223 +106%
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