Quick Takeaways
- ACORN BIOVENTURES, L.P. filed SCHEDULE 13G/A for Y-mAbs Therapeutics, Inc. Common stock, par value $0.0001 per share (YMAB).
- Disclosed ownership: 6.2%.
- Date of event: 19 Aug 2025.
ACORN BIOVENTURES, L.P. - 19 Aug 2025 SCHEDULE 13G/A Report for Y-mAbs Therapeutics, Inc. Common stock, par value $0.0001 per share (YMAB)
- Filing Manager
- ACORN BIOVENTURES, L.P.
- Reporting Manager
- Anders Hove
- Symbol
- YMAB
- Shares outstanding
- 45,101,565 shares
- Disclosed Ownership
- 2,796,297 shares
- Ownership
- 6.2%
- Form type
- SCHEDULE 13G/A
- Filing time
- 20 Aug 2025, 12:32:54 UTC
- Date of event
- 19 Aug 2025
- Previous filing
- 15 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"ACORN BIOVENTURES, L.P. disclosed 6.2% ownership in Y-mAbs Therapeutics, Inc. Common stock, par value $0.0001 per share (YMAB) on 19 Aug 2025."
What Changed
- Previous schedule filing date: 15 Aug 2025.
- Current filing was accepted on 20 Aug 2025, 12:32.
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 (5)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| ACORN BIOVENTURES, L.P. | 2.6% | 1,175,686 | 0 | 1,175,686 | Anders Hove | Manager of General Partner | |
| ACORN CAPITAL ADVISORS GP, LLC | 2.6% | 1,175,686 | 0 | 1,175,686 | Anders Hove | Manager | |
| ACORN BIOVENTURES 2, L.P. | 3.6% | 1,620,611 | 0 | 1,620,611 | Anders Hove | Manager of General Partner | |
| Acorn Capital Advisors GP 2, LLC | 3.6% | 1,620,611 | 0 | 1,620,611 | Anders Hove | Manager | |
| Anders Hove | 6.2% | 2,796,297 | 0 | 2,796,297 | Anders Hove | Individually |