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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
51
$805K
52
$801K
53
$768K
54
$733K
55
$726K
56
$715K
57
$711K
58
$670K
59
$572K
60
$568K
61
$509K
62
$484K
63
$471K
64
$452K
65
$444K
66
$431K
67
$413K
68
$390K
69
$378K
70
$372K
71
$364K
72
$363K
73
$354K
74
$324K
75
$302K