As of November 4, 2026, Apartment Investment & Management Co. is a publicly traded company (NYSE: AIV); its largest reported holder is Madison Avenue International LP, with 8.6% on Schedule 13G of March 4, 2026, then Newtyn Management, LLC (8.1%) (Schedule 13G, March 4, 2026).
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Is Apartment Investment & Management Co. a real, registered company?
- Apartment Invt & Mgmt Co -A files with the SEC under CIK 922864 (its SEC filings).
- Its shares are listed under the ticker AIV on NYSE (SEC company record).
- Incorporated in Maryland; business address in Denver, Colorado, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under APARTMENT INVT & MGMT CO -A in our court records and SEC 8-K records (as of 2026-11-04).
- Leadership changes: the latest reported is Jennifer Johnson, Chief Administrative Officer (Form 8-K filed 2026-10-02). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Weiss Asset Management LP (filed 2026-05-11).
Who are Apartment Investment & Management Co.'s owners and officers?
Apartment Investment & Management Co.: incorporated in Maryland; business address in Denver, Colorado; industry Real Estate Investment Trusts (Schedule 13G/A, 2026-10-07).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-10-07 | T. Rowe Price Associates, Inc. | 3.5% |
| Schedule 13G/A, 2026-07-31 | Vanguard Portfolio Management | 4.08% |
| Schedule 13G, 2026-05-11 | Weiss Asset Management LP | 5.7% |
| Schedule 13G, 2026-04-28 | Vanguard Portfolio Management | 5.97% |
| Schedule 13G/A, 2026-04-27 | Blackrock, Inc. | 0.4% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2026-03-25 | Newtyn Management, LLC | 8.1% |
| Schedule 13G, 2026-03-04 | Madison Avenue International LP | 8.6% |
| Schedule 13G, 2026-02-17 | Silver Point Capital, L.P. | 1.2% |
| Schedule 13G, 2025-11-14 | Newtyn Management, LLC | 5.5% |
| Schedule 13G/A, 2025-10-24 | Millennium Management LLC | 3.1% |
| Schedule 13G/A, 2025-07-18 | Blackrock, Inc. | 9.4% |
Questions about who owns Apartment Investment & Management Co.
Who owns Apartment Investment & Management Co.?
On this page, 3 holders' latest ownership filings report 5% or more of Apartment Investment & Management Co.: Madison Avenue International LP (8.6%, Schedule 13G, filed 2026-03-04), Newtyn Management, LLC (8.1%, Schedule 13G/A, filed 2026-03-25) and Weiss Asset Management LP (5.7%, Schedule 13G, filed 2026-05-11).
Who are the largest shareholders of Apartment Investment & Management Co.?
By the share each holder's latest filing reports, the largest holders of Apartment Investment & Management Co. on this page are Madison Avenue International LP (8.6%), Newtyn Management, LLC (8.1%) and Weiss Asset Management LP (5.7%).
When did Madison Avenue International LP buy into Apartment Investment & Management Co.?
The filings give report dates, not purchase dates. The earliest filing from Madison Avenue International LP on this page is the Schedule 13G, filed 2026-03-04, reporting 8.6%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-02 | Jennifer Johnson | Chief Administrative Officer | departed | 2026-11-01 |
Which insiders own Apartment Investment & Management Co. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chief executive and president: 1,008,047 shares (0.70% of shares outstanding), 1,007,979 held directly and 68 indirectly (Form 4, 2026-09-30).
- , the chief financial officer and executive vice president: 564,455 shares (0.39% of shares outstanding), 562,424 held directly and 2,031 indirectly (Form 4, 2026-09-30).
- , the general counsel and executive vice president: 324,706 shares (0.23% of shares outstanding) (Form 4, 2026-11-02).
- , a director: 157,292 shares (0.11% of shares outstanding), 2,000 held directly and 155,292 indirectly (Form 4, 2025-01-30).
- , a director: 153,134 shares (0.11% of shares outstanding) (Form 4, 2025-01-30).
Shares outstanding: 143,856,183 as of 2026-05-08, from the company's latest SEC cover page.
How much has Apartment Investment & Management Co. raised?
Acquisitions reported on Form 8-K, Item 2.01: completed an acquisition (2026-03-30); completed an acquisition (2025-12-23).
Keep reading
More on Apartment Investment & Management Co. and the records around it.
Apartment Investment & Management Co. elsewhere on the record
- 5%+ stake filings Oct 2026
- Leadership changes Oct 2026
Companies that share a holder
- Silver Point Capital, L.P. also filed stake reports on 9 other companies: Smart Share Global Limited (Aug 2026), Keenova Therapeutics plc (May 2026), Cool Company Ltd. (May 2026)
- Weiss Asset Management LP also filed stake reports on 9 other companies: Theravance Biopharma, Inc. (Sep 2026), RE/MAX Holdings, Inc. (Aug 2026), Canaan Inc. (Aug 2026)
- Madison Avenue International LP also filed stake reports on 11 other companies: Ultragenyx Pharmaceutical Inc. (Oct 2026), Graham Holdings Co (Aug 2026), STAAR SURGICAL CO (Aug 2026)
Related pages
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