APARTMENT INVT & MGMT CO -A (AIV) Institutional Shareholders
APARTMENT INVT & MGMT CO -A (AIV) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $391.55M in AIV holdings during the latest filing period.
Madison Avenue Partners, Lp is currently the largest disclosed institutional shareholder of AIV tracked by InsiderSet, reporting ownership valued at approximately $50.37M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $33.29M, representing an estimated loss of -33.91% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 64% of the total disclosed AIV value among the investors covered in this analysis. Major shareholders include Madison Avenue Partners, Lp, Newtyn Management, Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in APARTMENT INVT & MGMT CO -A (AIV).
This page ranks the largest institutional AIV shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
175
Total Reported Value
$391.55M
Largest Holder
Madison Avenue Partners, Lp
Largest Position
$50.37M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
180
Funds Exiting Positions
1
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Madison Avenue Partners, Lp | 2.19% | 12,374,991 | $50,366,213 | $33,288,726 | -$17,077,487 | -33.91% | |
| Newtyn Management, Llc | 5.31% | 12,200,000 | $49,654,000 | $32,818,000 | -$16,836,000 | -33.91% | |
| Vanguard Portfolio Management Llc | 0.00% | 8,595,664 | $34,984,352 | $23,122,336 | -$11,862,016 | -33.91% | |
| Weiss Asset Management Lp | 0.61% | 8,150,456 | $33,172,356 | $21,924,727 | -$11,247,629 | -33.91% | |
| Irenic Capital Management Lp | 1.86% | 5,029,521 | $20,470,150 | $13,529,411 | -$6,940,739 | -33.91% | |
| Vanguard Capital Management Llc | 0.00% | 4,691,383 | $19,093,929 | $12,619,820 | -$6,474,109 | -33.91% | |
| Owl Creek Asset Management, L.P. | 2.38% | 3,023,200 | $12,304,424 | $8,132,408 | -$4,172,016 | -33.91% | |
| Blackrock, Inc. | 0.00% | 2,943,890 | $11,981,633 | $7,919,064 | -$4,062,569 | -33.91% | |
| Landmark Investment Partners, L.P. | 10.75% | 2,556,176 | $10,403,636 | $6,876,113 | -$3,527,523 | -33.91% | |
| Jane Street Group, Llc | 0.01% | 2,095,214 | $8,527,521 | $5,636,126 | -$2,891,395 | -33.91% | |
| Zimmer Partners, Lp | 0.20% | 2,027,500 | $8,251,925 | $5,453,975 | -$2,797,950 | -33.91% | |
| Summittx Capital, L.P. | 0.26% | 2,010,275 | $8,181,819 | $5,407,640 | -$2,774,179 | -33.91% | |
| Qube Research & Technologies Ltd | 0.01% | 1,768,028 | $7,195,874 | $4,755,995 | -$2,439,879 | -33.91% | |
| Verition Fund Management Llc | 0.07% | 1,676,686 | $6,824,112 | $4,510,285 | -$2,313,827 | -33.91% | |
| Western Standard Llc | 3.48% | 1,626,624 | $6,620,360 | $4,375,619 | -$2,244,741 | -33.91% | |
| 683 Capital Management, Llc | 0.55% | 1,450,000 | $5,901,500 | $3,900,500 | -$2,001,000 | -33.91% | |
| Dld Asset Management, Lp | 0.44% | 1,070,978 | $4,358,880 | $2,880,931 | -$1,477,949 | -33.91% | |
| Meros Investment Management, Lp | 1.71% | 968,124 | $3,940,265 | $2,604,254 | -$1,336,011 | -33.91% | |
| Union Square Park Capital Management, Llc | 3.12% | 650,000 | $3,861,000 | $1,748,500 | -$2,112,500 | -54.71% | |
| Dimensional Fund Advisors Lp | 0.00% | 930,774 | $3,787,769 | $2,503,782 | -$1,283,987 | -33.90% | |
| Ubs Group Ag | 0.00% | 858,469 | $3,493,969 | $2,309,282 | -$1,184,687 | -33.91% | |
| Alberta Investment Management Corp | 0.02% | 850,000 | $3,459,500 | $2,286,500 | -$1,173,000 | -33.91% | |
| Two Sigma Investments, Lp | 0.00% | 804,884 | $3,275,878 | $2,165,138 | -$1,110,740 | -33.91% | |
| Goldman Sachs Group Inc | 0.00% | 792,060 | $3,223,684 | $2,130,641 | -$1,093,043 | -33.91% | |
| Greenland Capital Management Lp | 0.54% | 665,200 | $2,707,364 | $1,789,388 | -$917,976 | -33.91% | |
| Morgan Stanley | 0.00% | 607,610 | $2,472,978 | $1,634,471 | -$838,507 | -33.91% | |
| Lmr Partners Llp | 0.02% | 561,125 | $2,283,779 | $1,509,426 | -$774,353 | -33.91% | |
| Susquehanna International Group, Llp | 0.00% | 550,402 | $2,240,136 | $1,480,581 | -$759,555 | -33.91% | |
| State Street Corp | 0.00% | 536,065 | $2,181,785 | $1,442,015 | -$739,770 | -33.91% | |
| Lpl Financial Llc | 0.00% | 512,331 | $2,085,185 | $1,378,170 | -$707,015 | -33.91% | |
| Millennium Management Llc | 0.00% | 510,254 | $2,076,734 | $1,372,583 | -$704,151 | -33.91% | |
| Beverly Hills Private Wealth, Llc | 0.34% | 497,058 | $2,023,026 | $1,337,086 | -$685,940 | -33.91% | |
| Quinn Opportunity Partners Llc | 0.11% | 494,935 | $2,014,385 | $1,331,375 | -$683,010 | -33.91% | |
| Northern Right Capital Management, L.P. | 0.69% | 479,342 | $1,950,922 | $1,289,430 | -$661,492 | -33.91% | |
| Tudor Investment Corp Et Al | 0.01% | 456,343 | $1,857,316 | $1,227,563 | -$629,753 | -33.91% | |
| Citadel Advisors Llc | 0.00% | 450,452 | $1,833,340 | $1,211,716 | -$621,624 | -33.91% | |
| Citigroup Inc | 0.00% | 440,658 | $1,793,478 | $1,185,370 | -$608,108 | -33.91% | |
| Bleakley Financial Group, Llc | 0.03% | 425,017 | $1,729,819 | $1,143,296 | -$586,523 | -33.91% | |
| Gabelli Funds Llc | 0.01% | 421,799 | $1,716,722 | $1,134,639 | -$582,083 | -33.91% | |
| Cantor Fitzgerald, L. P. | 0.06% | 400,000 | $1,628,000 | $1,076,000 | -$552,000 | -33.91% | |
| Gabelli & Co Investment Advisers, Inc. | 0.23% | 379,450 | $1,544,362 | $1,020,721 | -$523,642 | -33.91% | |
| Man Group Plc | 0.00% | 347,348 | $1,413,706 | $934,366 | -$479,340 | -33.91% | |
| Yakira Capital Management, Inc. | 0.41% | 345,657 | $1,406,824 | $929,817 | -$477,007 | -33.91% | |
| Squarepoint Ops Llc | 0.00% | 339,207 | $1,380,572 | $912,467 | -$468,105 | -33.91% | |
| Xtx Topco Ltd | 0.02% | 338,655 | $1,378,326 | $910,982 | -$467,344 | -33.91% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 336,824 | $1,370,874 | $906,057 | -$464,817 | -33.91% | |
| Raymond James Financial Inc | 0.00% | 327,191 | $1,331,668 | $880,144 | -$451,524 | -33.91% | |
| Hsbc Holdings Plc | 0.00% | 299,647 | $1,213,570 | $806,050 | -$407,520 | -33.58% | |
| Geode Capital Management, Llc | 0.00% | 276,774 | $1,122,925 | $744,522 | -$378,403 | -33.70% | |
| Swiss National Bank | 0.00% | 266,484 | $1,084,590 | $716,842 | -$367,748 | -33.91% |
Frequently asked questions about AIV
Who owns the most AIV stock?
The largest holders of AIV are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for APARTMENT INVT & MGMT CO -A (AIV).
Is AIV widely held by superinvestors?
Many widely followed stocks like AIV appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AIV is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.