Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Logos Global Management LP - 13 Oct 2025 SCHEDULE 13D/A Report for ARVINAS, INC. Common Stock ("Stock") (ARVN)
- Filing manager
- Logos Global Management LP
- Reporting owner
- Logos Global Management LP
- Security
- ARVINAS, INC. Common Stock ("Stock")
- Beneficially owned shares
- 2,500,000 shares
- Large-stake signal
-
Ownership
3.4%Beneficial ownership of this reported class.
Shares
2,500,000 sharesShares beneficially owned as disclosed.
Event date
13 Oct 2025Date tied to the ownership event or amendment.
Accepted by SEC
15 Oct 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 3.4%
- Symbol
- ARVN
- Shares outstanding
- 73,529,412 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 15 Oct 2025, 17:18:32 UTC
- Event date
- 13 Oct 2025
- Prior SEC filing
- 22 Aug 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
Logos Global Management LP disclosed 3.4% ownership in ARVINAS, INC. Common Stock ("Stock") (ARVN) on 13 Oct 2025.
Key facts
- Logos Global Management LP filed SCHEDULE 13D/A for ARVINAS, INC. Common Stock ("Stock") (ARVN).
- Disclosed ownership: 3.4%.
- Date of event: 13 Oct 2025.
Change
- Previous schedule filing date: 22 Aug 2025.
- Current filing was accepted on 15 Oct 2025, 17:18.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (8)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Logos Global Management LP | 3.4% | 2,500,000 | 0 | 2,500,000 | /s/ Arsani William | Managing Partner | 0001792126 |
| Logos Global Management GP LLC | 3.4% | 2,500,000 | 0 | 2,500,000 | /s/ Arsani William | Managing Member | |
| Logos Global Master Fund LP | 2.7% | 2,000,000 | 0 | 2,000,000 | /s/ Arsani William | Managing Member | 0001831371 |
| Logos GP LLC | 2.7% | 2,000,000 | 0 | 2,000,000 | /s/ Arsani William | Managing Member | |
| Logos Opportunities Fund IV GP LLC | 0.7% | 500,000 | 0 | 500,000 | /s/ Arsani Willliam | Managing Member | |
| Logos Opportunities Fund IV LP | 0.7% | 500,000 | 0 | 500,000 | /s/ Arsani William | Managing Member of Logos Opportunities IV GP LLC, General Partner of Logos Opportunities Fund IV LP | 0001981151 |
| Arsani William | 3.4% | 2,500,000 | 0 | 2,500,000 | /s/ Arsani William | Reporting Person | 0001848372 |
| Graham Walmsley | 0.7% | 500,000 | 0 | 500,000 | /s/ Graham Walmsley | Reporting Person | 0001777517 |
CIK / CUSIP context first