Quick Takeaways
- Champlain Investment Partners, LLC filed SCHEDULE 13G for OneStream, Inc. Common Stock (OS).
- Disclosed ownership: 3.3%.
- Date of event: 30 Sep 2025.
Champlain Investment Partners, LLC - 30 Sep 2025 SCHEDULE 13G Report for OneStream, Inc. Common Stock (OS)
- Filing Manager
- Champlain Investment Partners, LLC
- Reporting Manager
- Champlain Investment Partners, LLC
- Security
- OneStream, Inc. Common Stock
- Symbol
- OS
- Shares outstanding
- 87,461,576 shares
- Disclosed Ownership
- 2,886,232 shares
- Ownership
- 3.3%
- Form type
- SCHEDULE 13G
- Filing time
- 12 Feb 2026, 12:33:21 UTC
- Date of event
- 30 Sep 2025
- Previous filing
- 14 May 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"Champlain Investment Partners, LLC disclosed 3.3% ownership in OneStream, Inc. Common Stock (OS) on 30 Sep 2025."
What Changed
- Previous schedule filing date: 14 May 2025.
- Current filing was accepted on 12 Feb 2026, 12:33.
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 (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Champlain Investment Partners, LLC | 3.3% | 2,886,232 | 1,835,017 | 0 | Matthew Garcia | Chief Compliance Officer |