APARTMENT INVT & MGMT CO -A (AIV) Institutional Ownership Changes & 13F Activity
APARTMENT INVT & MGMT CO -A (AIV). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Weiss Asset Management Lp, Mangrove Partners Im, Llc, Two Sigma Investments, Lp, Irenic Capital Management Lp, and Owl Creek Asset Management, L.P..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +185,186 | +34.5% | 721,251 | $2.14M | Q2 2026 | Sep 22, 2026 |
| Citadel Advisors Llc | Buy | +384,876 | +85.4% | 835,328 | $2.48M | Q2 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Buy | +287 | — | 287 | $852.00 | Q2 2026 | Aug 28, 2026 |
| Cantor Fitzgerald, L. P. | Buy | +50,000 | +12.5% | 450,000 | $1.34M | Q2 2026 | Aug 19, 2026 |
| Mercer Global Advisors Inc | Sell | -2,912 | -9.1% | 29,029 | $86.22K | Q2 2026 | Aug 19, 2026 |
| Weiss Asset Management Lp | Buy | +8,150,456 | — | 8,150,456 | $24.21M | Q2 2026 | Aug 14, 2026 |
| Mangrove Partners Im, Llc | Buy | +4,459,396 | — | 4,459,396 | $13.24M | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +3,923,795 | +487.5% | 4,728,679 | $14.04M | Q2 2026 | Aug 14, 2026 |
| Irenic Capital Management Lp | Sell | -3,631,061 | -72.2% | 1,398,460 | $4.15M | Q2 2026 | Aug 14, 2026 |
| Owl Creek Asset Management, L.P. | Buy | +2,904,444 | +96.1% | 5,927,644 | $17.61M | Q2 2026 | Aug 14, 2026 |
| Hrt Financial Lp | Sell | -1,633,450 | -61.0% | 1,044,965 | $3.10M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +1,423,467 | +80.5% | 3,191,495 | $9.48M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -1,261,383 | -60.2% | 833,831 | $2.48M | Q2 2026 | Aug 14, 2026 |
| Tudor Investment Corp Et Al | Buy | +692,727 | +151.8% | 1,149,070 | $3.41M | Q2 2026 | Aug 14, 2026 |
| 683 Capital Management, Llc | Buy | +650,000 | +44.8% | 2,100,000 | $6.24M | Q2 2026 | Aug 14, 2026 |
| Landmark Investment Partners, L.P. | Sell | -574,279 | -22.5% | 1,981,897 | $5.14M | Q2 2026 | Aug 14, 2026 |
| Bulldog Investors, Llp | Buy | +500,000 | — | 500,000 | $1.49M | Q2 2026 | Aug 14, 2026 |
| Union Square Park Capital Management, Llc | Buy | +475,000 | +73.1% | 1,125,000 | $3.34M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Sell | -386,107 | -48.7% | 405,953 | $1.21M | Q2 2026 | Aug 14, 2026 |
| Summittx Capital, L.P. | Buy | +296,457 | +14.7% | 2,306,732 | $6.85M | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -257,448 | -76.0% | 81,207 | $241.19K | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Sell | -240,607 | -47.2% | 269,647 | $800.85K | Q2 2026 | Aug 14, 2026 |
| Squarepoint Ops Llc | Sell | -198,812 | -58.6% | 140,395 | $416.97K | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +173,313 | +57.8% | 472,960 | $1.41M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Sell | -163,451 | -77.1% | 48,530 | $144.13K | Q2 2026 | Aug 14, 2026 |
| Invesco Ltd. | Buy | +161,603 | — | 161,603 | $479.96K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -121,414 | -64.8% | 65,993 | $196.00K | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager Lp | Buy | +83,714 | +67.2% | 208,314 | $618.69K | Q2 2026 | Aug 14, 2026 |
| Jain Global Llc | Buy | +81,947 | — | 81,947 | $243.38K | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Sell | -56,161 | -41.1% | 80,574 | $239.31K | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about AIV activity
Which institutional owners are buying AIV?
Institutional owners buying AIV include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AIV activity?
"Buy" means an investor increased their reported position in AIV compared to the prior reporting period. This reflects growing exposure to APARTMENT INVT & MGMT CO -A (AIV) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AIV increasing?
Institutional interest in AIV can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related AIV Institutional Insights
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