SLRN

ACELYRIN
SLRN

Overview Fund Activity
Delisted

SLRN was delisted on the 21st of May, 2025.

Back to rankings

110 hedge funds and large institutions have $639M invested in ACELYRIN in 2023 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 31 increasing their positions, 28 reducing their positions, and 24 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
110
Holders Change
+9
Holders Change %
+8.91%
% of All Funds
1.61%
Holding in Top 10
6
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-14.29%
% of All Funds
0.09%
New
35
Increased
31
Reduced
28
Closed
24
Calls
$4.96M
Puts
$513K
Net Calls
+$4.45M
Net Calls Change
+$6.94M

Top Buyers

1
Vanguard Group
Vanguard Group
Pennsylvania
$45.9M
2
BOCH
Blue Owl Capital Holdings
New York
$17.1M
3
Morgan Stanley
Morgan Stanley
New York
$13.2M
4
LGM
Logos Global Management
California
$9.33M
5
BlackRock
BlackRock
New York
$21.7M

Top Sellers

1
EC
EcoR1 Capital
California
$0
2
DCM
Driehaus Capital Management
Illinois
$0
3
O
OrbiMed
New York
$29.9M
4
State Street
State Street
Massachusetts
$4.96M
5
IC
Ikarian Capital
Texas
$14.9M
Name Holding Trade Value Shares
Change 		Shares
Change %
AIP
101
Ameritas Investment Partners
Nebraska
$24.8K – – –
MLICM
102
Metropolitan Life Insurance Company (MetLife)
New York
$15K – – –
UBS Group
103
UBS Group
Switzerland
$13.7K +$9.83K +1,317 +254%
Daiwa Securities Group
104
Daiwa Securities Group
Japan
$3K +$3K +398 New
Osaic Holdings
105
Osaic Holdings
Arizona
$2.8K -$7.97K -1,072 -74%
GI
106
GAMMA Investing
California
$1.33K +$1.33K +174 New
LC
107
Lindbrook Capital
California
$1.27K -$1.09K -146 -46%
IFAM
108
Institutional & Family Asset Management
Colorado
$119 -$37 -5 -24%
PNC Financial Services Group
109
PNC Financial Services Group
Pennsylvania
$15 +$15 +2 New
EC
110
EcoR1 Capital
California
– -$14.3M -1,402,201 Closed
DCM
111
Driehaus Capital Management
Illinois
– -$13.4M -1,319,349 Closed
Massachusetts Financial Services
112
Massachusetts Financial Services
Massachusetts
– -$6.53M -642,158 Closed
DTC
113
Deep Track Capital
Connecticut
– -$5.61M -551,289 Closed
T. Rowe Price Associates
114
T. Rowe Price Associates
Maryland
– -$4.66M -458,261 Closed
SSA
115
Schonfeld Strategic Advisors
New York
– -$2.06M -202,662 Closed
PA
116
Perceptive Advisors
New York
– -$2.03M -200,000 Closed
GTC
117
Ghost Tree Capital
New York
– -$2.03M -200,000 Closed
Rafferty Asset Management
118
Rafferty Asset Management
New York
– -$1.77M -173,696 Closed
TLP
119
Tri Locum Partners
New York
– -$1.58M -155,573 Closed
RSCM
120
Rock Springs Capital Management
Maryland
– -$1.44M -141,876 Closed
Ensign Peak Advisors
121
Ensign Peak Advisors
Utah
– -$1.02M -100,000 Closed
TD Asset Management
122
TD Asset Management
Ontario, Canada
– -$764K -75,164 Closed
FAM
123
Fred Alger Management
New York
– -$541K -53,206 Closed
CM
124
Caption Management
Oklahoma
– -$512K -50,377 Closed
Walleye Trading
125
Walleye Trading
New York
– -$320K -31,428 Closed
2 3 4
5
6