Ownership signal 2 signals
Large-stake signal

Form

SCHEDULE 13G/A

Passive or exempt beneficial ownership filing.

Ownership

8.1%

Beneficial ownership of this reported class.

Shares

11,600,000 shares

Shares beneficially owned as disclosed.

Event date

18 Mar 2026

Date tied to the ownership event or amendment.

Accepted by SEC

25 Mar 2026

EDGAR 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.
Subject security 2 source fields
Symbol
AIV
Shares outstanding
143,209,877 shares
Source evidence 5 source fields
Form type
SCHEDULE 13G/A
Accepted by SEC
25 Mar 2026, 16:30:12 UTC
Event date
18 Mar 2026
Previous filing
14 Nov 2025
SEC filing
View on sec.gov

Key filing fact

Newtyn Management, LLC disclosed 8.1% ownership in APARTMENT INVESTMENT & MANAGEMENT CO Class A Common Stock (AIV) on 18 Mar 2026.

Key facts

  • Newtyn Management, LLC filed SCHEDULE 13G/A for APARTMENT INVESTMENT & MANAGEMENT CO Class A Common Stock (AIV).
  • Disclosed ownership: 8.1%.
  • Date of event: 18 Mar 2026.

Change

  • Previous schedule filing date: 14 Nov 2025.
  • Current filing was accepted on 25 Mar 2026, 16:30.

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

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting persons

Disclosed reporting parties (2)

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
Newtyn Management, LLC 8.1% 11,600,000 11,600,000 0 /s/ Eugene Dozortsev Eugene Dozortsev, Authorized Signatory
Newtyn TE Partners, LP 5% 7,238,399 7,238,399 0 /s/ Eugene Dozortsev Eugene Dozortsev, Authorized Signatory of Newtyn Management, LLC, the Investment Manager
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