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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

more funds holding in top 10

Funds holding in top 10:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less funds holding

Funds holding:

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
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$566K
Puts
$818K
Net Calls
Net Calls Change

Top Buyers

1 +$4.78M
2 +$4.25M
3 +$3.48M
4
Citadel Advisors
Citadel Advisors
Florida
+$3.16M
5
EAM
Exome Asset Management
New York
+$2.9M

Top Sellers

1 -$8.01M
2 -$7.08M
3 -$3.87M
4
RI
RTW Investments
New York
-$2.71M
5
SL
Siren LLC
Connecticut
-$2.2M
Name Holding Trade Value Shares
Change
Change in
Stake
76
$266K
77
$257K
78
$256K
79
$230K
80
$228K
81
$226K
82
$198K
83
$191K
84
$188K
85
$185K
86
$174K
87
$172K
88
$168K
89
$163K
90
$154K
91
$153K
92
$148K
93
$147K
94
$135K
95
$132K
96
$126K
97
$124K
98
$124K
99
$123K
100
$115K