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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
Nisa Investment Advisors
76
Nisa Investment Advisors
Missouri
– -$41K -16,586 Closed
CWM
77
CIBC World Markets
New York
– -$40.6K -16,427 Closed
New York State Common Retirement Fund
78
New York State Common Retirement Fund
New York
– -$38.3K -15,512 Closed
Bank of Montreal
79
Bank of Montreal
Ontario, Canada
– -$37.6K -15,227 Closed
Two Sigma Advisers
80
Two Sigma Advisers
New York
– -$37.3K -15,100 Closed
PFSRSONJ
81
Police & Firemen's Retirement System of New Jersey
New Jersey
– -$36.8K -14,886 Closed
Carson Wealth (CWM LLC)
82
Carson Wealth (CWM LLC)
Nebraska
– -$32K -13,090 Closed
AFP
83
Ausdal Financial Partners
Iowa
– -$31.6K -12,800 Closed
SEI Investments
84
SEI Investments
Pennsylvania
– -$26.6K -10,782 Closed
Cerity Partners
85
Cerity Partners
New York
– -$25.7K -10,419 Closed
QC
86
Quadrature Capital
United Kingdom
– -$25.3K -10,246 Closed
HighTower Advisors
87
HighTower Advisors
Illinois
– -$24.8K -10,031 Closed
FIA
88
FNY Investment Advisers
New York
– -$24K -10,000 Closed
Group One Trading
89
Group One Trading
Illinois
– -$18.9K -7,662 Closed
AIP
90
Ameritas Investment Partners
Nebraska
– -$17.9K -7,243 Closed
Legal & General Group
91
Legal & General Group
United Kingdom
– -$16.3K -6,625 Closed
California State Teachers Retirement System (CalSTRS)
92
California State Teachers Retirement System (CalSTRS)
California
– -$13.1K -5,289 Closed
Royal Bank of Canada
93
Royal Bank of Canada
Ontario, Canada
– -$13K -5,263 Closed
BNP Paribas Financial Markets
94
BNP Paribas Financial Markets
France
– -$12.5K -5,061 Closed
Fidelity Investments
95
Fidelity Investments
Massachusetts
– -$12.3K -4,976 Closed
TRCT
96
Tower Research Capital (TRC)
New York
– -$8.98K -3,637 Closed
Mirae Asset Global Investments
97
Mirae Asset Global Investments
South Korea
– -$8.76K -3,370 Closed
GFM
98
GF Fund Management
China
– -$6.34K -2,569 Closed
AB
99
Amalgamated Bank
New York
– -$6K -2,452 Closed
SCM
100
Sterling Capital Management
North Carolina
– -$3.24K -1,311 Closed
1 2 3
4
5

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.