Acelyrin, Inc.

NasdaqGS:SLRN Stock Report

Market Cap: US$259.8m

Acelyrin Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:SLRN Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
17 Mar 25SellUS$49,354Mina KimIndividual17,986US$2.74
17 Mar 25SellUS$10,737K. MuruganIndividual3,913US$2.74
17 Mar 25SellUS$8,811Shephard MpofuIndividual3,211US$2.74
12 Mar 25BuyUS$4,228,031Tang Capital Management, LLCCompany1,526,365US$2.77
27 Feb 25BuyUS$19,048,636Tang Capital Management, LLCCompany7,298,328US$2.61
24 Feb 25BuyUS$14,130,258Trium Capital Managers LtdCompany5,393,846US$2.62
20 Feb 25BuyUS$10,921,252Tang Capital Management, LLCCompany5,298,328US$2.20
17 Jul 24SellUS$7Daniel BeckerIndividual1US$6.86

Insider Trading Volume

Insider Buying: SLRN insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of SLRN?
Owner TypeNumber of SharesOwnership Percentage
Private Companies19,5390.0174%
Individual Insiders3,135,5852.79%
Hedge Funds9,334,7358.3%
VC/PE Firms14,886,50713.2%
Institutions85,065,61275.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 97.24% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.72%
Westlake Village BioPartners
9,790,729US$25.3m0%no data
9.27%
Matrix Capital Management Company, LP
9,334,735US$24.1m0%3.1%
8.76%
Tang Capital Management, LLC
8,824,693US$22.8m0%1.31%
5.98%
BlackRock, Inc.
6,020,868US$15.5m0.64%no data
5.36%
Trium Capital Managers Ltd
5,393,846US$13.9m0%8.16%
5.06%
Access Industries, Inc.
5,095,778US$13.1m0%0.24%
4.68%
Millennium Management LLC
4,714,402US$12.2m-14.1%0.01%
4.62%
T. Rowe Price Group, Inc.
4,651,030US$12.0m-63.9%no data
4.16%
Citadel Advisors LLC
4,192,377US$10.8m-35.7%0.01%
4.05%
The Vanguard Group, Inc.
4,080,010US$10.5m0.32%no data
3.97%
OrbiMed Advisors LLC
4,001,711US$10.3m0%0.15%
3.78%
venBio LLC
3,806,410US$9.8m-1.2%7.33%
2.89%
Tybourne Capital Management (HK) Ltd.
2,906,629US$7.5m0%2.07%
2.76%
CHI Advisors LLC
2,783,946US$7.2m-0.36%4.79%
2.68%
Shao-Lee Lin
2,700,851US$7.0m-20.5%no data
2.68%
General Atlantic Service Company, L.P.
2,695,327US$7.0m-6.73%0.13%
2.51%
Samsara BioCapital LLC
2,523,022US$6.5m0%1.03%
2.27%
Morgan Stanley, Investment Banking and Brokerage Investments
2,285,240US$5.9m30.6%no data
2.22%
Opaleye Management Inc.
2,235,000US$5.8m18%1.03%
1.78%
Palo Alto Investors LP
1,792,895US$4.6m0%0.79%
1.72%
Invus Financial Advisors, LLC
1,729,665US$4.5m0%0.23%
1.7%
Geode Capital Management, LLC
1,709,086US$4.4m3.48%no data
1.69%
StemPoint Capital LP
1,704,825US$4.4m29.4%1.19%
1.51%
Alyeska Investment Group, L.P.
1,515,878US$3.9m0%0.01%
1.43%
State Street Global Advisors, Inc.
1,441,273US$3.7m13.2%no data

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/05/02 21:31
End of Day Share Price 2025/05/02 00:00
Earnings2024/12/31
Annual Earnings2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Acelyrin, Inc. is covered by 3 analysts. 2 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Akash TewariJefferies LLC
Vikram PurohitMorgan Stanley
Tyler Van BurenTD Cowen