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SLRN

ACELYRIN
SLRN

Delisted

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

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2 hedge funds and large institutions have $704 invested in ACELYRIN in 2025 Q2 according to their latest regulatory filings, with 2 funds opening new positions, 0 increasing their positions, 0 reducing their positions, and 105 closing their positions.

New
Increased
Maintained
Reduced
Closed

73.41% less ownership

Funds ownership: 73.41% → 0% (-73%)

98% less funds holding

Funds holding: 105 → 2 (-103)

98% less first-time investments, than exits

New positions opened: 2 | Existing positions closed: 105

100% less funds holding in top 10

Funds holding in top 10: 4 → 0 (-4)

100% less capital invested

Capital invested by funds: $183M → $704 (-$183M)

Holders
2
Holders Change
-103
Holders Change %
-98.1%
% of All Funds
0.03%
Holding in Top 10
–
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-100%
% of All Funds
–
New
2
Increased
–
Reduced
–
Closed
105
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Osaic Holdings
Osaic Holdings
Arizona
+$654
2
IA
IFP Advisors
Florida
+$7

Top Sellers

Rank Fund Capital Flow
1
TCM
Tang Capital Management
California
-$24.3M
2
ACMC
AyurMaya Capital Management Company
New Hampshire
-$23.1M
3
BlackRock
BlackRock
New York
-$14.3M
4
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$11.5M
5
MAP
Madison Avenue Partners
New York
-$10.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
HIM
51
HGC Investment Management
Ontario, Canada
– -$174K -70,425 Closed
Deutsche Bank
52
Deutsche Bank
Germany
– -$152K -61,539 Closed
Citigroup
53
Citigroup
New York
– -$132K -53,629 Closed
Marshall Wace
54
Marshall Wace
United Kingdom
– -$131K -53,100 Closed
Wells Fargo
55
Wells Fargo
California
– -$130K -52,608 Closed
LP
56
LMR Partners
United Kingdom
– -$124K -50,000 Closed
IIM
57
INTECH Investment Management
Florida
– -$123K -49,830 Closed
YCM
58
Yakira Capital Management
Connecticut
– -$120K -48,557 Closed
VIA
59
Virtus Investment Advisers
Connecticut
– -$115K -46,372 Closed
Dimensional Fund Advisors
60
Dimensional Fund Advisors
Texas
– -$111K -44,755 Closed
SO
61
STRS Ohio
Ohio
– -$109K -44,300 Closed
Mirae Asset Global ETFs Holdings
62
Mirae Asset Global ETFs Holdings
Hong Kong
– -$108K -43,780 Closed
Bank of America
63
Bank of America
North Carolina
– -$89.9K -36,410 Closed
CF
64
Corebridge Financial
Texas
– -$89.6K -36,269 Closed
PCM
65
Prelude Capital Management
New York
– -$89.5K -36,220 Closed
T. Rowe Price Associates
66
T. Rowe Price Associates
Maryland
– -$86K -34,515 Closed
Mariner
67
Mariner
Kansas
– -$77.5K -31,389 Closed
Manulife (Manufacturers Life Insurance)
68
Manulife (Manufacturers Life Insurance)
Ontario, Canada
– -$70.9K -28,717 Closed
SG Americas Securities
69
SG Americas Securities
New York
– -$67K -27,110 Closed
WWM
70
Western Wealth Management
Colorado
– -$61.8K -25,000 Closed
CL
71
CSS LLC
Illinois
– -$60.7K -24,564 Closed
VOYA Investment Management
72
VOYA Investment Management
Georgia
– -$51.3K -20,768 Closed
ProShare Advisors
73
ProShare Advisors
Maryland
– -$50.8K -20,570 Closed
CUAMC
74
China Universal Asset Management Company
China
– -$49.9K -20,199 Closed
MIM
75
MetLife Investment Management
New Jersey
– -$45.7K -18,493 Closed
1 2
3
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SLRN Hedge Fund Activity: Q2 2025 in Review

2 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in ACELYRIN (SLRN) for Q2 2025, worth a combined $704 — down 100% from $183M a quarter earlier.

Sellers outnumbered buyers: 105 funds closed out of SLRN and 2 opened new positions — a net loss of 103 holders — while 0 trimmed existing stakes and 0 added.

The largest buyer was Osaic Holdings, opening a new position worth an estimated $654. The largest seller was Tang Capital Management, exiting entirely with an estimated $24.3M sold.

  • 2 institutional investors held ACELYRIN (SLRN) as of Q2 2025, down from 105 in Q1 2025.
  • Funds reported $704 of ACELYRIN stock for Q2 2025, down 100% quarter-over-quarter.
  • 2 funds opened new ACELYRIN positions in Q2 2025 and 105 closed out, a net change of -103 holders.
  • The largest ACELYRIN buyer in Q2 2025 was Osaic Holdings, an estimated $654 added.
  • The largest ACELYRIN seller in Q2 2025 was Tang Capital Management, an estimated $24.3M sold.

Based on aggregated 13F filings for Q2 2025.