Apartment Investment & Management Co
AIV- Exchange
- NYSE
- Industry
- Real Estate Investment Trusts
- SEC CIK
- 0000922864
No open-market purchases or sales by Apartment Investment & Management Co insiders were filed in the last 90 days; 154 institutions reported holding it in 13F filings for Q2 2026, worth $357.5M in total; no superinvestor holds it.
Holders of 5% or more of AIV
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Apartment Investment & Management Co, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 9.40%13.3M shares | – | Jul 18, 20251 filing | Jul 18, 2025 | SEC |
| Madison Avenue Partners, LP | 13G | 8.60%12.3M shares | New | Mar 4, 20261 filing | Mar 4, 2026 | SEC |
| Newtyn Management, LLC | 13G/A | 8.10%11.6M shares | +2.60 ppfrom 5.50% | Nov 14, 20252 filings | Mar 25, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
8 Schedule 13D and 13G filings on Apartment Investment & Management Co, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20263:44 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Mar 25, 20264:30 PM ET | Newtyn Management, LLCand 1 other | 13G/A | 8.10%11.6M shares | +2.60 ppfrom 5.50% | Mar 18, 2026 | SEC |
| Mar 4, 20265:36 PM ET | Madison Avenue Partners, LPand 5 others | 13G | 8.60%12.3M shares | New | Feb 26, 2026 | SEC |
| Feb 17, 20265:24 PM ET | Silver Point Capital L.P.and 2 others | 13G | 1.20%1.76M shares | NewBelow 5% | Dec 31, 2025 | SEC |
| Nov 14, 20254:05 PM ET | Newtyn Management, LLC | 13G | 5.50%7.76M shares | New | Sep 30, 2025 | SEC |
| Oct 24, 20254:04 PM ET | Millennium Management LLCand 2 others | 13G/A | 3.10%4.44M shares | −1.90 ppfrom 5.00%Below 5% | Sep 30, 2025 | SEC |
| Jul 18, 202512:45 PM ET | BlackRock, Inc. | 13G/A | 9.40%13.3M shares | – | Jun 30, 2025 | SEC |
| Jan 7, 20254:00 PM ET | Millennium Management LLCand 2 others | 13G | 5.00%7.08M shares | New | Dec 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Apartment Investment & Management Co shares.
No Form 144 notices for Apartment Investment & Management Co are on file.