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Regenxbio
RGNX

Overview Fund Activity

159 hedge funds and large institutions have $345M invested in Regenxbio in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 60 increasing their positions, 50 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
159
Holders Change
-5
Holders Change %
-3.05%
% of All Funds
2.13%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.01%
New
25
Increased
60
Reduced
50
Closed
28
Calls
$1.17M
Puts
$972K
Net Calls
+$201K
Net Calls Change
+$453K

Top Buyers

1
BlackRock
1
BlackRock
New York
$55.5M
2
Goldman Sachs
2
Goldman Sachs
New York
$14.7M
3
State Street
3
State Street
Massachusetts
$15.1M
4
Renaissance Technologies
4
Renaissance Technologies
New York
$6.04M
5
AQR Capital Management
5
AQR Capital Management
Connecticut
$7.64M

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$8.17M
2
Citadel Advisors
2
Citadel Advisors
Florida
$2.4M
3
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$6.54M
4
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$31.6M
5
CSS
5
Cubist Systematic Strategies
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Citadel Advisors
26
Citadel Advisors
Florida
$2.4M -$6.04M -735,670 -72%
Jane Street
27
Jane Street
New York
$1.99M -$1.41M -171,655 -41%
Acadian Asset Management
28
Acadian Asset Management
Massachusetts
$1.97M +$681K +82,998 +53%
Barclays
29
Barclays
United Kingdom
$1.97M +$984K +119,876 +100%
GCP
30
GSA Capital Partners
United Kingdom
$1.86M +$782K +95,253 +73%
EAM
31
Exome Asset Management
New York
$1.86M -$1.47M -179,221 -44%
Marshall Wace
32
Marshall Wace
United Kingdom
$1.83M -$26.6K -3,238 -1%
AI
33
ArchPoint Investors
Florida
$1.81M -$8.21K -1,000 -0.5%
Hudson Bay Capital Management
34
Hudson Bay Capital Management
Connecticut
$1.81M -$616K -75,000 -25%
Squarepoint
35
Squarepoint
New York
$1.8M +$1.72M +209,084 +2,049%
Two Sigma Investments
36
Two Sigma Investments
New York
$1.71M -$975K -118,757 -36%
ACM
37
ADAR1 Capital Management
Texas
$1.71M -$1.17M -142,534 -41%
PAM
38
Panagora Asset Management
Massachusetts
$1.69M – – –
Deutsche Bank
39
Deutsche Bank
Germany
$1.54M -$65.2K -7,937 -4%
YIH
40
Y-Intercept (HK)
Hong Kong
$1.45M +$1.45M +176,999 New
Fidelity Investments
41
Fidelity Investments
Massachusetts
$1.41M +$25.7K +3,135 +2%
HWAM
42
Hennion & Walsh Asset Management
New Jersey
$1.27M -$40.2K -4,891 -3%
Susquehanna International Group
43
Susquehanna International Group
Pennsylvania
$1.25M +$100K +12,190 +9%
NRD
44
Nebula Research & Development
New York
$1.24M +$1.24M +151,293 New
MCM
45
Moore Capital Management
New York
$1.23M +$411K +50,000 +50%
Macquarie Group
46
Macquarie Group
Australia
$1.22M – – –
Bank of New York Mellon
47
Bank of New York Mellon
New York
$1.18M +$22.2K +2,710 +2%
IC
48
IEQ Capital
California
$1.06M +$646K +78,641 +154%
Los Angeles Capital Management
49
Los Angeles Capital Management
California
$1.03M +$1.03M +125,408 New
Two Sigma Advisers
50
Two Sigma Advisers
New York
$1.03M -$592K -72,100 -37%
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