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ACELYRIN, Inc.

SLRNDelisted May 21, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001962918

ACELYRIN, Inc. was delisted on May 21, 2025; its insiders filed their last Form 4 on May 23, 2025; 106 institutions reported holding it in 13F filings for Q1 2025, worth $182.6M in total; no superinvestor held it.

Q1 2024 vs. Q4 2023

How the institutions holding ACELYRIN, Inc. changed between Q4 2023 and Q1 2024.

All holders in Q1 2024All holders in Q4 2023

13F holders of SLRN: Q4 2023 compared with Q1 2024
MeasureQ4 2023Q1 2024Change
Holders110109−1
Shares84.8M90.9M+6.06M (+7.2%)
Value$632.6M$613.2M−$19.4M (−3.1%)

New holders (25)

Institutions that held ACELYRIN, Inc. at the end of Q1 2024 but not at the end of Q4 2023.

Institutions new to SLRN in Q1 2024
InstitutionSharesValue% of portfolio
Millennium Management LLC4,013,528$27.1M0.02%
T. Rowe Price Investment Management, Inc.2,119,591$14.3M0.01%
Palo Alto Investors LP1,715,180$11.6M1.31%
Jacobs Levy Equity Management, Inc586,746$3.96M0.02%
Polar Asset Management Partners Inc.222,400$1.50M0.04%
Blair William & Co138,595$935.5K0.00%
Renaissance Technologies LLC125,018$844.0K0.00%
Dark Forest Capital Management LP72,450$489.0K0.08%
Balyasny Asset Management LLC53,323$359.9K0.00%
ExodusPoint Capital Management, LP40,381$273.0K0.00%
Public Employees Retirement System of Ohio28,418$191.8K0.00%
Shay Capital LLC27,227$183.8K0.05%
Russell Investments Group, Ltd.27,108$183.0K0.00%
Virtu Financial LLC21,834$147.0K0.01%
Price T Rowe Associates Inc20,703$140.0K0.00%
Simplex Trading, LLC18,429$124.0K0.00%
Arrowstreet Capital, Limited Partnership17,821$120.0K0.00%
Sherbrooke Park Advisers LLC11,915$80.4K0.02%
Verition Fund Management LLC10,849$73.2K0.00%
Belvedere Trading LLC5,731$38.7K0.00%
US Bancorp5,277$35.6K0.00%
Quarry LP3,000$20.3K0.01%
Comerica Bank53$3570.00%
Nisa Investment Advisors, LLC24$1620.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC7$470.00%

Sold out (26)

Institutions that held ACELYRIN, Inc. at the end of Q4 2023 and filed for Q1 2024 without it.