CITADEL ADVISORS LLC - 31 Dec 2025 SCHEDULE 13G/A 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
Security
Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares")
Symbol
INSP
Shares outstanding
29,289,833 shares
Disclosed Ownership
527,217 shares
Ownership
1.8%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:49:04 UTC
Date of event
31 Dec 2025
Previous filing
06 Oct 2025
SEC
View on sec.gov

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Quoteable Key Fact

"CITADEL ADVISORS LLC disclosed 1.8% ownership in Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares") (INSP) on 31 Dec 2025."

Quick Takeaways

  • CITADEL ADVISORS LLC filed SCHEDULE 13G/A for Inspire Medical Systems, Inc. Common Stock, par value $0.001 per share (the "Shares") (INSP).
  • Disclosed ownership: 1.8%.
  • Date of event: 31 Dec 2025.

What Changed

  • Previous schedule filing date: 06 Oct 2025.
  • Current filing was accepted on 17 Feb 2026, 16:49.

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 Filing

Reporting Managers (7)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Citadel Advisors LLC 0.6% 174,644 0 174,644 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Advisors Holdings LP 0.6% 174,644 0 174,644 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel GP LLC 0.6% 174,644 0 174,644 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities LLC 0.5% 155,467 0 155,467 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities Group LP 1.2% 352,573 0 352,573 /s/ Seth Levy Seth Levy, Authorized Signatory
Citadel Securities GP LLC 1.2% 352,573 0 352,573 /s/ Seth Levy Seth Levy, Authorized Signatory
Kenneth Griffin 1.8% 527,217 0 527,217 /s/ Seth Levy Seth Levy, attorney-in-fact*

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