Quick Takeaways
- CITADEL ADVISORS LLC filed SCHEDULE 13G for Cabaletta Bio, Inc. Common stock, par value $0.00001 per share (the "Shares") (CABA).
- Disclosed ownership: 5.2%.
- Date of event: 12 Jun 2025.
CITADEL ADVISORS LLC - 12 Jun 2025 SCHEDULE 13G Report for Cabaletta Bio, Inc. Common stock, par value $0.00001 per share (the "Shares") (CABA)
- Filing Manager
- CITADEL ADVISORS LLC
- Reporting Manager
- Kenneth Griffin
- Symbol
- CABA
- Shares outstanding
- 92,664,615 shares
- Disclosed Ownership
- 4,818,560 shares
- Ownership
- 5.2%
- Form type
- SCHEDULE 13G
- Filing time
- 20 Jun 2025, 17:22:59 UTC
- Date of event
- 12 Jun 2025
- Next filing
- 14 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"CITADEL ADVISORS LLC disclosed 5.2% ownership in Cabaletta Bio, Inc. Common stock, par value $0.00001 per share (the "Shares") (CABA) on 12 Jun 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 20 Jun 2025, 17:22.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (7)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Citadel Advisors LLC | 5% | 4,687,280 | 0 | 4,687,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Advisors Holdings LP | 5% | 4,687,280 | 0 | 4,687,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel GP LLC | 5% | 4,687,280 | 0 | 4,687,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities LLC | 0.1% | 131,280 | 0 | 131,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities Group LP | 0.1% | 131,280 | 0 | 131,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities GP LLC | 0.1% | 131,280 | 0 | 131,280 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Kenneth Griffin | 5.2% | 4,818,560 | 0 | 4,818,560 | /s/ Seth Levy | Seth Levy, attorney-in-fact* |