Quick Takeaways
- CITADEL ADVISORS LLC filed SCHEDULE 13G for Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares") (INSP).
- Disclosed ownership: 5.8%.
- Date of event: 29 Sep 2025.
CITADEL ADVISORS LLC - 29 Sep 2025 SCHEDULE 13G Report for Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares") (INSP)
- Filing Manager
- CITADEL ADVISORS LLC
- Reporting Manager
- Kenneth Griffin
- Symbol
- INSP
- Shares outstanding
- 29,535,207 shares
- Disclosed Ownership
- 1,713,042 shares
- Ownership
- 5.8%
- Form type
- SCHEDULE 13G
- Filing time
- 06 Oct 2025, 17:43:14 UTC
- Date of event
- 29 Sep 2025
- Next filing
- 17 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"CITADEL ADVISORS LLC disclosed 5.8% ownership in Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares") (INSP) on 29 Sep 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 06 Oct 2025, 17:43.
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.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (7)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Citadel Advisors LLC | 4.7% | 1,379,861 | 0 | 1,379,861 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Advisors Holdings LP | 4.7% | 1,379,861 | 0 | 1,379,861 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel GP LLC | 4.7% | 1,379,861 | 0 | 1,379,861 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities LLC | 0.4% | 114,245 | 0 | 114,245 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities Group LP | 1.1% | 333,181 | 0 | 333,181 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Citadel Securities GP LLC | 1.1% | 333,181 | 0 | 333,181 | /s/ Seth Levy | Seth Levy, Authorized Signatory | |
| Kenneth Griffin | 5.8% | 1,713,042 | 0 | 1,713,042 | /s/ Seth Levy | Seth Levy, attorney-in-fact* |