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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
RI
4
RTW Investments
New York
$0
5
SL
5
Siren LLC
Connecticut
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Verition Fund Management
101
Verition Fund Management
Connecticut
$111K 15,579 -10,290 -40%
ET
102
Entropy Technologies
New York
$107K 14,986 +14,986 New
EAM
103
Erste Asset Management
Austria
$102K 13,000 – –
New York State Common Retirement Fund
104
New York State Common Retirement Fund
New York
$98K 13,746 – –
SEI Investments
105
SEI Investments
Pennsylvania
$95.2K 13,313 +13,313 New
VOYA Investment Management
106
VOYA Investment Management
Georgia
$92.9K 12,998 -30,504 -70%
TRSOTSOK
107
Teachers Retirement System of the State of Kentucky
Kentucky
$88K 12,215 – –
ProShare Advisors
108
ProShare Advisors
Maryland
$88K 12,303 -3,011 -20%
State Board of Administration of Florida Retirement System
109
State Board of Administration of Florida Retirement System
Florida
$83K 11,615 – –
PD
110
Point72 (DIFC)
United Arab Emirates
$80.3K 11,224 -2,007 -15%
PCA
111
Pallas Capital Advisors
Massachusetts
$74.5K 10,415 +10,415 New
DT
112
Diversified Trust
Tennessee
$74K 10,352 – –
CWM
113
CIBC World Markets
New York
$73.8K 10,320 +10,320 New
Squarepoint
114
Squarepoint
New York
$73K 10,204 -27,026 -73%
CUAMC
115
China Universal Asset Management Company
China
$71.1K 9,938 -567 -5%
PFSRSONJ
116
Police & Firemen's Retirement System of New Jersey
New Jersey
$66.6K 9,319 – –
Legal & General Group
117
Legal & General Group
United Kingdom
$62.8K 8,790 -36,033 -80%
Public Employees Retirement Association of Colorado
118
Public Employees Retirement Association of Colorado
Colorado
$43K 6,040 – –
BIG
119
Brooklyn Investment Group
New York
$39.9K 5,583 +3,466 +164%
TRCT
120
Tower Research Capital (TRC)
New York
$39.9K 5,581 -7,557 -58%
Group One Trading
121
Group One Trading
Illinois
$39.8K 5,566 +5,566 New
FIA
122
FNY Investment Advisers
New York
$35K 5,000 +5,000 New
AIP
123
Ameritas Investment Partners
Nebraska
$28.9K 4,037 – –
Royal Bank of Canada
124
Royal Bank of Canada
Ontario, Canada
$28K 3,905 -2,812 -42%
California State Teachers Retirement System (CalSTRS)
125
California State Teachers Retirement System (CalSTRS)
California
$23.9K 3,336 -36,218 -92%
3 4
5
6 7