Latest Period
n/a
Security Snapshot
ACELYRIN, Inc. - Common Stock, par value $0.00001 per share (the "Shares") Institutional Ownership
CUSIP: 00445A100
13F Institutional Holders and Ownership History from Q4 2023 to Q3 2024
Institutions Reporting
Shares (Excl. Options)
Price
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- Type / Class
- Equity / Common Stock, par value $0.00001 per share (the "Shares")
- Shares outstanding
- 100,446,381
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- 00445A100 - ACELYRIN, Inc. - Common Stock, par value $0.00001 per share (the "Shares") is tracked under CUSIP 00445A100.
- Latest finished 13F holder period is not available.
- 1 significant owner is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 2 to 1 between Q2 2024 and Q3 2024.
- Reported value moved from $28,340,319 to $6,276,363.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Schedule 13D/G
Open SEC Evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Investment Quick Answers
What is CUSIP 00445A100?
CUSIP 00445A100 identifies 00445A100 - ACELYRIN, Inc. - Common Stock, par value $0.00001 per share (the "Shares") in SEC 13F datasets.
Where can I see the latest institutional holders?
Use the ownership history tables below to review the newest available institutional filing periods.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00445A100:
Significant Owners of ACELYRIN, Inc. - Common Stock, par value $0.00001 per share (the "Shares") based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC | 4.2% | 4,218,748 | Kenneth Griffin | 31 Dec 2024 |