Vault-13

APARTMENT INVT & MGMT CO AIV

CL A · REIT · CUSIP 03748R747

156 institutional holders -31 vs Q1 2026
121,042,458121.0m shares reported held*
$358.8mreported value*
17 new 41 added 53 reduced 44 sold out net bought ≈ $3.8m (+1.3m shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($126.1k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $2.96. Options: 1 managers hold calls ($70.1k notional), 5 hold puts ($553.9k).

Trends to Q2 2026

Institutional holders

Managers reporting a position, each quarter

0100200300Q3 22: 200Q4 22: 195Q1 23: 190Q2 23: 199Q3 23: 196Q4 23: 184Q1 24: 179Q2 24: 187Q3 24: 196Q4 24: 202Q1 25: 212Q2 25: 211Q3 25: 213Q4 25: 217Q1 26: 187Q2 26: 156156Q3 22Q3 23Q3 24Q3 25Q2 26
Numbers
QuarterHolders
Q3 2022200
Q4 2022195
Q1 2023190
Q2 2023199
Q3 2023196
Q4 2023184
Q1 2024179
Q2 2024187
Q3 2024196
Q4 2024202
Q1 2025212
Q2 2025211
Q3 2025213
Q4 2025217
Q1 2026187
Q2 2026156

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q3 24: 88 bought or addedQ3 24: 86 cut or sold outQ4 24: 90 bought or addedQ4 24: 95 cut or sold outQ4 24Q1 25: 115 bought or addedQ1 25: 86 cut or sold outQ2 25: 97 bought or addedQ2 25: 107 cut or sold outQ2 25Q3 25: 116 bought or addedQ3 25: 97 cut or sold outQ4 25: 119 bought or addedQ4 25: 101 cut or sold outQ4 25Q1 26: 102 bought or addedQ1 26: 132 cut or sold outQ2 26: 58 bought or addedQ2 26: 97 cut or sold outQ2 26
Numbers
QuarterBought or addedCut or sold out
Q3 20248886
Q4 20249095
Q1 202511586
Q2 202597107
Q3 202511697
Q4 2025119101
Q1 2026102132
Q2 20265897

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$20m$40m$60mQ3 25 calls: $53.6mQ3 25 puts: $29.5mQ3 25P/C 0.55Q4 25 calls: $13.0mQ4 25 puts: $13.4mQ4 25P/C 1.03Q1 26 calls: $104.6kQ1 26 puts: $662.2kQ1 26P/C 6.33Q2 26 calls: $70.1kQ2 26 puts: $553.9kQ2 26P/C 7.90
Numbers
QuarterCallsPutsP/C
Q3 2025$53.6m$29.5m0.55
Q4 2025$13.0m$13.4m1.03
Q1 2026$104.6k$662.2k6.33
Q2 2026$70.1k$553.9k7.90

Biggest buyers

MANGROVE PARTNERS IM, LLC New +4,459,396+4.5m
TWO SIGMA INVESTMENTS, LP Added +3,923,795+3.9m
Owl Creek Asset Management, L.P. Added +2,904,444+2.9m
Qube Research & Technologies Ltd Added +1,423,467+1.4m
LPL Financial LLC Added +1,121,065+1.1m
BlackRock, Inc. Added +903,702+903.7k
TUDOR INVESTMENT CORP ET AL Added +692,727+692.7k
683 Capital Management, LLC Added +650,000+650.0k
Bulldog Investors, LLP New +500,000+500.0k
CANTOR FITZGERALD, L. P. Added +500,000+500.0k

Biggest sellers

Irenic Capital Management LP Reduced -3,631,061-3.6m
VANGUARD PORTFOLIO MANAGEMENT LLC Reduced -2,717,637-2.7m
HRT FINANCIAL LP Reduced -1,633,450-1.6m
Western Standard LLC Sold out -1,626,624-1.6m
JANE STREET GROUP, LLC Reduced -1,261,383-1.3m
DIMENSIONAL FUND ADVISORS LP Sold out -930,774-930.8k
UBS Group AG Reduced -766,873-766.9k
LANDMARK INVESTMENT PARTNERS, L.P. Reduced -574,279-574.3k
OP Asset Management Ltd Reduced -424,673-424.7k
GOLDMAN SACHS GROUP INC Reduced -386,107-386.1k

Biggest calls

SUSQUEHANNA INTERNATIONAL GROUP, LLP Reduced $70.1k23.6k shares

Biggest puts

JBF Capital, Inc. Unchanged $326.7k110.0k shares
SIMPLEX TRADING, LLC Added $128.0k43.1k shares
JANE STREET GROUP, LLC New $67.4k22.7k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Unchanged $30.0k10.1k shares
GROUP ONE TRADING LLC Unchanged $1.8k600 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
Madison Avenue Partners, LP 13G · passive investor new · filed 2026-03-04 8.6% new 12.3m≈ $36.7m 2026-03-04
Newtyn Management, LLC 13G · passive investor +2.6 pts · filed 2026-03-25 8.1% +2.6 pts 11.6m≈ $34.5m 2026-03-25
Weiss Asset Management LP 13G · institution new · filed 2026-05-11 5.7% new 8.2m≈ $24.2m 2026-05-11

Fell to 5% or below in the last year: PRICE T ROWE ASSOCIATES INC /MD/ (3.5%, 2026-10-07), VANGUARD PORTFOLIO MANAGEMENT LLC (4.1%, 2026-07-31), BlackRock, Inc. (0.4%, 2026-04-27), VANGUARD GROUP INC (0.0%, 2026-03-26), Silver Point Capital L.P. (1.2%, 2026-02-17)

Insider purchases and sales since 1 Apr 2026

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

None reported since 1 Apr 2026.

Holders, Q2 2026

#ManagerLocationShares Value% of their portfolioChangeShares change
1 PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio BALTIMORE, MD 17,156,76417.2m $51.0m $51.0m 0.01% Unchanged
2 Madison Avenue Partners, LP 1.58% of their portfolio NEW YORK, NY 12,374,99112.4m $36.8m $36.8m 1.58% Unchanged
3 Newtyn Management, LLC 4.52% of their portfolio NEW YORK, NY 12,200,00012.2m $36.2m $36.2m 4.52% Unchanged
4 Weiss Asset Management LP 0.27% of their portfolio BOSTON, MA 8,150,4568.2m $24.2m $24.2m 0.27% Unchanged
5 Owl Creek Asset Management, L.P. 1.56% of their portfolio New York, NY 5,927,6445.9m $17.6m $17.6m 1.56% Added +2.9m +2,904,444
6 VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 5,878,0275.9m $17.5m $17.5m 0.00% Reduced -2.7m -2,717,637
7 TWO SIGMA INVESTMENTS, LP 0.01% of their portfolio NEW YORK, NY 4,728,6794.7m $14.0m $14.0m 0.01% Added +3.9m +3,923,795
8 VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio MALVERN, PA 4,504,3864.5m $13.4m $13.4m 0.00% Reduced -187.0k -186,997
9 MANGROVE PARTNERS IM, LLC 0.87% of their portfolio Greenwich, CT 4,459,3964.5m $13.2m $13.2m 0.87% New
10 BlackRock, Inc. 0.00% of their portfolio New York, NY 3,847,5923.8m $11.4m $11.4m 0.00% Added +903.7k +903,702
11 Qube Research & Technologies Ltd 0.01% of their portfolio LONDON, X0 3,191,4953.2m $9.5m $9.5m 0.01% Added +1.4m +1,423,467
12 THOMPSON SIEGEL & WALMSLEY LLC 0.14% of their portfolio RICHMOND, VA 2,702,3052.7m $8.0m $8.0m 0.14% Added +336.7k +336,737
13 SummitTX Capital, L.P. 0.18% of their portfolio FORT WORTH, TX 2,306,7322.3m $6.9m $6.9m 0.18% Added +296.5k +296,457
14 683 Capital Management, LLC 0.57% of their portfolio NEW YORK, NY 2,100,0002.1m $6.2m $6.2m 0.57% Added +650.0k +650,000
15 Zimmer Partners, LP 0.14% of their portfolio NEW YORK, NY 2,027,5002.0m $6.0m $6.0m 0.14% Unchanged
16 LANDMARK INVESTMENT PARTNERS, L.P. 4.76% of their portfolio WEST PALM BEACH, FL 1,981,8972.0m $5.1m $5.1m 4.76% Reduced -574.3k -574,279
17 Verition Fund Management LLC 0.04% of their portfolio GREENWICH, CT 1,676,6861.7m $5.0m $5.0m 0.04% Unchanged
18 LPL Financial LLC 0.00% of their portfolio FORT MILL, SC 1,633,3961.6m $4.9m $4.9m 0.00% Added +1.1m +1,121,065
19 Irenic Capital Management LP 0.30% of their portfolio NEW YORK, NY 1,398,4601.4m $4.2m $4.2m 0.30% Reduced -3.6m -3,631,061
20 DLD Asset Management, LP 0.31% of their portfolio NEW YORK, NY 1,277,5781.3m $3.8m $3.8m 0.31% Added +206.6k +206,600
21 TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio STAMFORD, CT 1,149,0701.1m $3.4m $3.4m 0.01% Added +692.7k +692,727
22 Union Square Park Capital Management, LLC 2.43% of their portfolio New York, NY 1,125,0001.1m $3.3m $3.3m 2.43% Unchanged
23 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 1,044,9651.0m $3.1m $3.1m 0.01% Reduced -1.6m -1,633,450
24 Meros Investment Management, LP 0.91% of their portfolio DALLAS, TX 967,132967.1k $2.9m $2.9m 0.91% Reduced -992 -992
25 CANTOR FITZGERALD, L. P. 0.03% of their portfolio NEW YORK, NY 900,000900.0k $2.7m $2.7m 0.03% Added +500.0k +500,000
26 Alberta Investment Management Corp 0.01% of their portfolio EDMONTON, A0 850,000850.0k $2.5m $2.5m 0.01% Unchanged
27 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 835,328835.3k $2.5m $2.5m 0.00% Added +384.9k +384,876
28 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 833,831833.8k $2.5m $2.5m 0.00% Reduced -1.3m -1,261,383
29 STATE STREET CORP 0.00% of their portfolio BOSTON, MA 721,251721.3k $2.1m $2.1m 0.00% Added +185.2k +185,186
30 Greenland Capital Management LP 0.37% of their portfolio NEW YORK, NY 650,000650.0k $1.9m $1.9m 0.37% Reduced -15.2k -15,200
31 LMR Partners LLP 0.01% of their portfolio LONDON, X0 561,125561.1k $1.7m $1.7m 0.01% Unchanged
32 GSA CAPITAL PARTNERS LLP 0.10% of their portfolio LONDON, X0 541,536541.5k $1.6m $1.6m 0.10% Added +146.0k +145,967
33 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 538,118538.1k $1.6m $1.6m 0.00% Reduced -69.5k -69,492
34 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 533,239533.2k $1.6m $1.6m 0.00% Reduced -17.2k -17,163
35 Beverly Hills Private Wealth, LLC 0.29% of their portfolio BEVERLY HILLS, CA 516,105516.1k $1.5m $1.5m 0.29% Added +19.0k +19,047
36 Bulldog Investors, LLP 0.33% of their portfolio SADDLE BROOK, NJ 500,000500.0k $1.5m $1.5m 0.33% New
37 Quinn Opportunity Partners LLC 0.07% of their portfolio CHARLOTTESVILLE, VA 494,935494.9k $1.5m $1.5m 0.07% Unchanged
38 Bleakley Financial Group, LLC 0.02% of their portfolio PARSIPPANY, NJ 489,096489.1k $1.5m $1.5m 0.02% Added +64.1k +64,079
39 Northern Right Capital Management, L.P. 0.42% of their portfolio DARIEN, CT 479,342479.3k $1.4m $1.4m 0.42% Unchanged
40 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 472,960473.0k $1.4m $1.4m 0.00% Added +173.3k +173,313
41 GOLDMAN SACHS GROUP INC 0.00% of their portfolio NEW YORK, NY 405,953406.0k $1.2m $1.2m 0.00% Reduced -386.1k -386,107
42 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 358,357358.4k $1.1m $1.1m 0.00% Reduced -105.3k -105,261
43 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 351,334351.3k $1.0m $1.0m 0.00% Added +14.5k +14,510
44 Yakira Capital Management, Inc. 0.30% of their portfolio Westport, CT 345,657345.7k $1.0m $1.0m 0.30% Unchanged
45 GABELLI & Co INVESTMENT ADVISERS, INC. 0.14% of their portfolio Rye, NY 318,315318.3k $945.4k $945.4k 0.14% Reduced -61.1k -61,135
46 GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio BOSTON, MA 281,194281.2k $834.0k $834.0k 0.00% Added +4.4k +4,420
47 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 269,647269.6k $800.9k $800.9k 0.00% Reduced -240.6k -240,607
48 Swiss National Bank 0.00% of their portfolio ZURICH, V8 259,884259.9k $771.9k $771.9k 0.00% Reduced -6.6k -6,600
49 Inspire Investing, LLC 0.03% of their portfolio MERIDIAN, ID 227,048227.0k $674.3k $674.3k 0.03% Added +100.1k +100,145
50 GABELLI FUNDS LLC 0.00% of their portfolio Rye, NY 226,021226.0k $671.3k $671.3k 0.00% Reduced -195.8k -195,778
51 Engineers Gate Manager LP 0.01% of their portfolio NEW YORK, NY 208,314208.3k $618.7k $618.7k 0.01% Added +83.7k +83,714
52 NORTHERN TRUST CORP 0.00% of their portfolio CHICAGO, IL 204,028204.0k $606.0k $606.0k 0.00% Added +282 +282
53 Alpine Global Management, LLC 0.10% of their portfolio NEW YORK, NY 200,000200.0k $594.0k $594.0k 0.10% Unchanged
54 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.00% of their portfolio BOSTON, MA 189,010189.0k $561.4k $561.4k 0.00% Reduced -8.2k -8,224
55 DRW Securities, LLC 0.03% of their portfolio CHICAGO, IL 174,551174.6k $518.4k $518.4k 0.03% Reduced -6.4k -6,416
56 Invesco Ltd. 0.00% of their portfolio ATLANTA, GA 161,603161.6k $480.0k $480.0k 0.00% Added +8.7k +8,738
57 EVERGREEN CAPITAL MANAGEMENT LLC 0.01% of their portfolio Bellevue, WA 152,585152.6k $453.2k $453.2k 0.01% New
58 Squarepoint Ops LLC 0.00% of their portfolio NEW YORK, NY 140,395140.4k $417.0k $417.0k 0.00% Reduced -198.8k -198,812
59 State of New Jersey Common Pension Fund D 0.00% of their portfolio TRENTON, NJ 138,773138.8k $412.2k $412.2k 0.00% Unchanged
60 Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio ZURICH, V8 126,957127.0k $377.1k $377.1k 0.00% Added +31.4k +31,444
61 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 126,089126.1k $374.5k $374.5k 0.00% Unchanged
62 VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio MALVERN, PA 112,123112.1k $333.0k $333.0k 0.00% Unchanged
63 CALDWELL SUTTER CAPITAL, INC. 0.11% of their portfolio SAUSALITO, CA 98,45898.5k $292.4k $292.4k 0.11% Reduced -6.9k -6,900
64 UBS Group AG 0.00% of their portfolio ZURICH, V8 91,59691.6k $272.0k $272.0k 0.00% Reduced -766.9k -766,873
65 VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio London, EC4N 8AF, X0 88,81288.8k $263.8k $263.8k 0.00% Unchanged
66 Legal & General Group Plc 0.00% of their portfolio London, X0 88,39388.4k $262.5k $262.5k 0.00% Added +26.4k +26,409
67 Jain Global LLC 0.00% of their portfolio NEW YORK, NY 81,94781.9k $243.4k $243.4k 0.00% New
68 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 81,80681.8k $242.0k $242.0k 0.00% Unchanged
69 XTX Topco Ltd 0.00% of their portfolio LONDON, X0 81,20781.2k $241.2k $241.2k 0.00% Reduced -257.4k -257,448
70 BOOTHBAY FUND MANAGEMENT, LLC 0.00% of their portfolio NEW YORK, NY 80,57480.6k $239.3k $239.3k 0.00% Reduced -56.2k -56,161
71 OP Asset Management Ltd 0.00% of their portfolio HELSINKI, H9 80,56480.6k $239.3k $239.3k 0.00% Reduced -424.7k -424,673
72 Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio VANCOUVER, A1 74,69174.7k $221.8k $221.8k 0.00% Added +10.6k +10,649
73 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 65,99366.0k $196.0k $196.0k 0.00% Reduced -121.4k -121,414
74 Jupiter Topco LLC 0.00% of their portfolio NEW YORK, NY 65,83065.8k $195.2k $195.2k 0.00% First filing
75 AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio Greenwich, CT 64,22964.2k $190.8k $190.8k 0.00% Reduced -49.1k -49,123
76 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 63,22663.2k $187.8k $187.8k 0.00% Reduced -377.4k -377,432
77 JACOBS LEVY EQUITY MANAGEMENT, INC 0.00% of their portfolio FLORHAM PARK, NJ 60,99061.0k $181.1k $181.1k 0.00% Reduced -11.2k -11,177
78 Tidal Investments LLC 0.00% of their portfolio Milwaukee, WI 60,88160.9k $180.8k $180.8k 0.00% Reduced -4.8k -4,841
79 Worth Venture Partners, LLC 0.39% of their portfolio FORT LEE, NJ 57,90057.9k $172.0k $172.0k 0.39% Unchanged
80 Balyasny Asset Management L.P. 0.00% of their portfolio Chicago, IL 55,66755.7k $165.3k $165.3k 0.00% Reduced -53.6k -53,623
81 Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio OAKLAND, CA 52,11152.1k $154.8k $154.8k 0.00% Added +38.5k +38,538
82 GTS SECURITIES LLC 0.00% of their portfolio NEW YORK, NY 50,32550.3k $149.5k $149.5k 0.00% Added +189 +189
83 State of Wyoming 0.01% of their portfolio CHEYENNE, WY 48,65748.7k $144.5k $144.5k 0.01% Added +25.5k +25,478
84 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 48,53048.5k $144.1k $144.1k 0.00% Reduced -163.5k -163,451
85 Creative Planning 0.00% of their portfolio OVERLAND PARK, KS 44,92444.9k $133.4k $133.4k 0.00% Added +34.3k +34,258
86 Clear Harbor Asset Management, LLC 0.01% of their portfolio Stamford, CT 42,05042.0k $124.9k $124.9k 0.01% Reduced -850 -850
87 Quantinno Capital Management LP 0.00% of their portfolio NEW YORK, NY 41,74141.7k $124.0k $124.0k 0.00% Reduced -37.5k -37,514
88 Avise Financial Cooperative, Inc. 0.08% of their portfolio LOS ANGELES, CA 40,23540.2k $119.5k $119.5k 0.08% Added +2.8k +2,838
89 Russell Investments Group, Ltd. 0.00% of their portfolio Seattle, WA 39,84439.8k $118.3k $118.3k 0.00% Reduced -132.2k -132,222
90 Quantbot Technologies LP 0.00% of their portfolio NEW YORK, NY 36,16636.2k $107.4k $107.4k 0.00% New
91 ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio PHOENIX, AZ 35,72835.7k $106.1k $106.1k 0.00% Reduced -1.5k -1,540
92 Vanguard Investments Australia, Ltd. 0.00% of their portfolio Victoria, C3 31,81531.8k $94.5k $94.5k 0.00% Unchanged
93 MACQUARIE GROUP LTD 0.00% of their portfolio Sydney, NSW 2000, C3 31,74431.7k $94.3k $94.3k 0.00% New
94 T3 Companies, LLC 0.10% of their portfolio NEW YORK, NY 30,00030.0k $89.1k $89.1k 0.10% Unchanged
95 MERCER GLOBAL ADVISORS INC /ADV 0.00% of their portfolio DENVER, CO 29,02929.0k $86.2k $86.2k 0.00% Reduced -2.9k -2,912
96 KLP KAPITALFORVALTNING AS 0.00% of their portfolio OSLO, Q8 28,91528.9k $85.9k $85.9k 0.00% Unchanged
97 Vestcor Inc 0.00% of their portfolio FREDERICTON, A3 26,62326.6k $79.0k $79.0k 0.00% Unchanged
98 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 23,32723.3k $69.3k $69.3k 0.00% Reduced -27.7k -27,667
99 Cetera Investment Advisers 0.00% of their portfolio SCHAUMBURG, IL 22,01222.0k $65.4k $65.4k 0.00% Reduced -299 -299
100 Allianz Asset Management GmbH 0.00% of their portfolio MUNICH, 2M 21,91521.9k $65.1k $65.1k 0.00% Unchanged