Vault-13

MID-AMER APT CMNTYS INC MAA

COM · REIT · CUSIP 59522J103 · ISIN US59522J1034

Real estate investment trust operating throughout the southeastern, southwestern, and mid-Atlantic United States

631 institutional holders
108,608,519108.6m shares reported held*
94.1% of all shares outstanding*
$16.8bnreported value*

* 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 ($30.8m this quarter). Holder counts are more reliable. Shares outstanding: 115.5m as of 2022-10-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $155.08. Options: 13 managers hold calls ($50.4m notional), 13 hold puts ($62.5m).

Biggest calls

GROUP ONE TRADING LLC — $14.9m96.2k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP — $9.3m60.2k shares
CITADEL ADVISORS LLC — $7.3m47.4k shares
JANE STREET GROUP, LLC — $6.6m42.3k shares
Squarepoint Ops LLC — $5.8m37.7k shares
WOLVERINE TRADING, LLC — $2.0m12.9k shares
Paloma Partners Management Co — $1.3m8.4k shares
PEAK6 Investments LLC — $1.3m8.3k shares
Walleye Trading LLC — $713.0k4.6k shares
TUDOR INVESTMENT CORP ET AL — $560.0k3.6k shares

Biggest puts

SUSQUEHANNA INTERNATIONAL GROUP, LLP — $24.8m159.9k shares
JANE STREET GROUP, LLC — $9.8m63.2k shares
Squarepoint Ops LLC — $6.2m40.0k shares
PEAK6 Investments LLC — $6.2m40.0k shares
Twin Tree Management, LP — $4.3m27.8k shares
CITADEL ADVISORS LLC — $3.9m25.3k shares
SIMPLEX TRADING, LLC — $3.4m21.8k shares
Paloma Partners Management Co — $1.2m7.5k shares
Parallax Volatility Advisers, L.P. — $1.0m6.7k shares
GROUP ONE TRADING LLC — $930.0k6.0k 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
BlackRock, Inc. 13G · institution filed 2025-04-28 10.2% 12.0m≈ $1.7bn 2025-04-28
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 8.5% new 9.9m≈ $1.4bn 2026-04-29
VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 7.5% new 8.8m≈ $1.2bn 2026-04-30
VIKING GLOBAL INVESTORS LP 13G · passive investor new · filed 2026-10-05 5.1% new 5.9m≈ $817.8m 2026-10-05

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), Capital World Investors (0.2%, 2026-02-13)

Insider purchases and sales in Q3 2022

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.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
10010Q4 20: 0 buyingQ4 20: 0 sellingQ1 21: 0 buyingQ1 21: 0 sellingQ1 21Q2 21: 0 buyingQ2 21: 0 sellingQ3 21: 0 buyingQ3 21: 0 sellingQ3 21Q4 21: 0 buyingQ4 21: 4 sellingQ1 22: 0 buyingQ1 22: 6 sellingQ1 22Q2 22: 0 buyingQ2 22: 4 sellingQ3 22: 0 buyingQ3 22: 1 sellingQ3 22
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20200—0——
Q1 20210—0——
Q2 20210—0——
Q3 20210—0——
Q4 20210—4$4.9m—
Q1 20220—6$4.4m—
Q2 20220—4$7.3m—
Q3 20220—1$252.4k—
DateInsiderTradeSharesPrice ValueTheir holding
2022-07-29 Carpenter Melanie EVP & CHRO Sold 1,355 $186.27 $252.4k1.4k shares -7%

Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).

Holders, Q3 2022

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.09% of their portfolio Valley Forge, PA 19,086,55819.1m $3.0bn $3.0bn 0.09% —
2 BlackRock Inc. 0.06% of their portfolio New York, NY 11,736,89211.7m $1.8bn $1.8bn 0.06% —
3 STATE STREET CORP 0.07% of their portfolio BOSTON, MA 7,568,8147.6m $1.2bn $1.2bn 0.07% —
4 COHEN & STEERS, INC. 2.04% of their portfolio NEW YORK, NY 5,889,4165.9m $913.2m $913.2m 2.04% —
5 FMR LLC 0.08% of their portfolio BOSTON, MA 4,967,3965.0m $770.3m $770.3m 0.08% —
6 APG Asset Management US Inc. 4.25% of their portfolio New York, NY 3,353,1923.4m $520.0m $520.0m 4.25% —
7 NORGES BANK 0.13% of their portfolio OSLO, Q8 3,177,9703.2m $492.8m $492.8m 0.13% —
8 JPMORGAN CHASE & CO 0.06% of their portfolio NEW YORK, NY 2,539,5662.5m $393.8m $393.8m 0.06% —
9 GEODE CAPITAL MANAGEMENT, LLC 0.06% of their portfolio BOSTON, MA 2,534,9632.5m $392.7m $392.7m 0.06% —
10 DEUTSCHE BANK AG\ 0.17% of their portfolio FRANKFURT AM MAIN, 2M 1,778,1791.8m $275.7m $275.7m 0.17% —
11 NORTHERN TRUST CORP 0.06% of their portfolio CHICAGO, IL 1,741,4231.7m $270.0m $270.0m 0.06% —
12 Daiwa Securities Group Inc. 2.21% of their portfolio CHIYODA-KU,TOKYO, M0 1,718,8251.7m $266.5m $266.5m 2.21% —
13 DIMENSIONAL FUND ADVISORS LP 0.10% of their portfolio AUSTIN, TX 1,662,5661.7m $257.8m $257.8m 0.10% —
14 Legal & General Group Plc 0.09% of their portfolio London, X0 1,558,7351.6m $241.7m $241.7m 0.09% —
15 CANADA PENSION PLAN INVESTMENT BOARD 0.37% of their portfolio TORONTO ONTARIO, A6 1,417,0411.4m $219.7m $219.7m 0.37% —
16 MORGAN STANLEY 0.03% of their portfolio NEW YORK, NY 1,352,0061.4m $209.7m $209.7m 0.03% —
17 Nuveen Asset Management, LLC 0.08% of their portfolio CHICAGO, IL 1,317,7001.3m $204.3m $204.3m 0.08% —
18 Invesco Ltd. 0.06% of their portfolio ATLANTA, GA 1,289,1081.3m $199.9m $199.9m 0.06% —
19 GOLDMAN SACHS GROUP INC 0.06% of their portfolio NEW YORK, NY 1,248,9201.2m $193.7m $193.7m 0.06% —
20 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.06% of their portfolio SAN FRANCISCO, CA 1,151,2341.2m $178.5m $178.5m 0.06% —
21 Zimmer Partners, LP 3.96% of their portfolio NEW YORK, NY 1,150,0001.1m $178.3m $178.3m 3.96% —
22 Bank of New York Mellon Corp 0.04% of their portfolio NEW YORK, NY 999,076999.1k $154.9m $154.9m 0.04% —
23 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.09% of their portfolio NEW YORK, NY 989,338989.3k $153.4m $153.4m 0.09% —
24 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.06% of their portfolio Boston, MA 988,677988.7k $153.3m $153.3m 0.06% —
25 CENTERSQUARE INVESTMENT MANAGEMENT LLC 1.75% of their portfolio CONSHOHOCKEN, PA 959,682959.7k $148.8m $148.8m 1.75% —
26 ROYAL BANK OF CANADA 0.05% of their portfolio TORONTO, A6 948,222948.2k $147.0m $147.0m 0.05% —
27 DUFF & PHELPS INVESTMENT MANAGEMENT CO 1.73% of their portfolio CHICAGO, IL 881,825881.8k $137.3m $137.3m 1.73% —
28 ALLIANCEBERNSTEIN L.P. 0.07% of their portfolio NASHVILLE, TN 874,870874.9k $135.7m $135.7m 0.07% —
29 EATON VANCE MANAGEMENT 0.17% of their portfolio BOSTON, MA 737,253737.3k $114.3m $114.3m 0.17% —
30 Russell Investments Group, Ltd. 0.25% of their portfolio Seattle, WA 720,411720.4k $111.6m $111.6m 0.25% —
31 Brookfield Corp /ON/ 0.31% of their portfolio TORONTO, A6 539,517539.5k $83.7m $83.7m 0.31% —
32 SILVERCREST ASSET MANAGEMENT GROUP LLC 0.68% of their portfolio NEW YORK, NY 536,523536.5k $83.2m $83.2m 0.68% —
33 Swiss National Bank 0.06% of their portfolio ZURICH, V8 499,596499.6k $77.5m $77.5m 0.06% —
34 FIRST TRUST ADVISORS LP 0.09% of their portfolio Wheaton, IL 454,892454.9k $70.5m $70.5m 0.09% —
35 RENAISSANCE TECHNOLOGIES LLC 0.10% of their portfolio NEW YORK, NY 450,849450.8k $69.9m $69.9m 0.10% —
36 Sumitomo Mitsui Trust Group, Inc. 0.06% of their portfolio CHIYODA-KU, TOKYO, M0 447,055447.1k $69.3m $69.3m 0.06% —
37 PANAGORA ASSET MANAGEMENT INC 0.46% of their portfolio BOSTON, MA 425,515425.5k $66.0m $66.0m 0.46% —
38 BANK OF AMERICA CORP /DE/ 0.01% of their portfolio CHARLOTTE, NC 409,194409.2k $63.5m $63.5m 0.01% —
39 SCOUT INVESTMENTS, INC. 1.23% of their portfolio KANSAS CITY, MO 380,978381.0k $59.1m $59.1m 1.23% —
40 Amundi 0.03% of their portfolio Paris, I0 370,919370.9k $56.9m $56.9m 0.03% —
41 Waterfront Capital Partners, LLC 4.17% of their portfolio NEW YORK, NY 360,069360.1k $55.8m $55.8m 4.17% —
42 VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.27% of their portfolio JUPITER, FL 328,394328.4k $50.9m $50.9m 0.27% —
43 Man Group plc 0.24% of their portfolio LONDON, X0 327,544327.5k $50.8m $50.8m 0.24% —
44 1832 Asset Management L.P. 0.10% of their portfolio TORONTO, A6 312,040312.0k $48.4m $48.4m 0.10% —
45 STRS OHIO 0.23% of their portfolio COLUMBUS, OH 310,431310.4k $48.1m $48.1m 0.23% —
46 D. E. Shaw & Co., Inc. 0.07% of their portfolio New York, NY 269,404269.4k $41.8m $41.8m 0.07% —
47 California Public Employees Retirement System 0.04% of their portfolio Sacramento, CA 258,566258.6k $40.1m $40.1m 0.04% —
48 Allianz Asset Management GmbH 0.09% of their portfolio MUNICH, 2M 258,304258.3k $40.1m $40.1m 0.09% —
49 Aberdeen Group plc 0.12% of their portfolio EDINBURGH, X0 250,992251.0k $38.9m $38.9m 0.12% —
50 PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.17% of their portfolio COLUMBUS, OH 247,899247.9k $38.4m $38.4m 0.17% —
51 LOS ANGELES CAPITAL MANAGEMENT LLC 0.19% of their portfolio LOS ANGELES, CA 241,783241.8k $37.5m $37.5m 0.19% —
52 Asset Management One Co., Ltd. 0.19% of their portfolio TOKYO, M0 238,752238.8k $37.0m $37.0m 0.19% —
53 HSBC HOLDINGS PLC 0.07% of their portfolio LONDON, X0 234,533234.5k $36.4m $36.4m 0.07% —
54 CITADEL ADVISORS LLC 0.04% of their portfolio MIAMI, FL 226,465226.5k $35.1m $35.1m 0.04% —
55 RHUMBLINE ADVISERS 0.05% of their portfolio BOSTON, MA 224,243224.2k $34.8m $34.8m 0.05% —
56 Swedbank AB 0.08% of their portfolio STOCKHOLM, V7 219,478219.5k $34.0m $34.0m 0.08% —
57 ADAGE CAPITAL PARTNERS GP, L.L.C. 0.08% of their portfolio Boston, MA 218,294218.3k $33.9m $33.9m 0.08% —
58 MARSHALL WACE, LLP 0.08% of their portfolio LONDON, X0 213,424213.4k $33.1m $33.1m 0.08% —
59 Clarkston Capital Partners, LLC 0.64% of their portfolio Rochester, MI 210,000210.0k $32.6m $32.6m 0.64% —
60 State of Tennessee, Department of Treasury 0.15% of their portfolio NASHVILLE, TN 201,542201.5k $31.3m $31.3m 0.15% —
61 MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio NEW YORK, NY 191,042191.0k $29.6m $29.6m 0.04% —
62 ENVESTNET ASSET MANAGEMENT INC 0.02% of their portfolio Berwyn, PA 190,614190.6k $29.6m $29.6m 0.02% —
63 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.05% of their portfolio WEST SACRAMENTO, CA 190,525190.5k $29.5m $29.5m 0.05% —
64 AEW CAPITAL MANAGEMENT L P 1.13% of their portfolio BOSTON, MA 187,246187.2k $29.0m $29.0m 1.13% —
65 STATE OF WISCONSIN INVESTMENT BOARD 0.09% of their portfolio MADISON, WI 177,504177.5k $27.5m $27.5m 0.09% —
66 MARTINGALE ASSET MANAGEMENT L P 0.53% of their portfolio BOSTON, MA 172,626172.6k $26.8m $26.8m 0.53% —
67 National Pension Service 0.05% of their portfolio JEONJU-SI, JEOLLABUK-DO, M5 171,141171.1k $26.3m $26.3m 0.05% —
68 BANK OF MONTREAL /CAN/ 0.01% of their portfolio TORONTO, A6 169,399169.4k $28.1m $28.1m 0.01% —
69 CANADA LIFE ASSURANCE Co 0.07% of their portfolio WINNIPEG, A2 160,172160.2k $24.8m $24.8m 0.07% —
70 WAFRA INC. 0.98% of their portfolio New York, NY 159,249159.2k $24.7m $24.7m 0.98% —
71 CREDIT SUISSE AG/ 0.03% of their portfolio ZURICH, V8 158,586158.6k $24.6m $24.6m 0.03% —
72 SEI INVESTMENTS CO 0.05% of their portfolio OAKS, PA 153,715153.7k $23.8m $23.8m 0.05% —
73 WELLS FARGO & COMPANY/MN 0.01% of their portfolio SAN FRANCISCO, CA 151,953152.0k $23.6m $23.6m 0.01% —
74 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 150,691150.7k $23.4m $23.4m 0.00% —
75 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.06% of their portfolio TALLAHASSEE, FL 150,595150.6k $23.4m $23.4m 0.06% —
76 Sabal Trust CO 1.75% of their portfolio ST. PETERSBURG, FL 149,380149.4k $23.2m $23.2m 1.75% —
77 CITIGROUP INC 0.03% of their portfolio NEW YORK, NY 146,396146.4k $22.7m $22.7m 0.03% —
78 PRUDENTIAL FINANCIAL INC 0.04% of their portfolio NEWARK, NJ 146,062146.1k $22.5m $22.5m 0.04% —
79 Employees Retirement System of Texas 0.34% of their portfolio AUSTIN, TX 144,477144.5k $22.4m $22.4m 0.34% —
80 PRINCIPAL FINANCIAL GROUP INC 0.02% of their portfolio DES MOINES, IA 143,650143.7k $22.3m $22.3m 0.02% —
81 LEAVELL INVESTMENT MANAGEMENT, INC. 1.74% of their portfolio MOBILE, AL 141,096141.1k $21.9m $21.9m 1.74% —
82 NOMURA ASSET MANAGEMENT CO LTD 0.14% of their portfolio TOKYO, M0 139,257139.3k $21.6m $21.6m 0.14% —
83 AMERIPRISE FINANCIAL INC 0.01% of their portfolio MINNEAPOLIS, MN 133,019133.0k $20.7m $20.7m 0.01% —
84 Robeco Institutional Asset Management B.V. 0.07% of their portfolio ROTTERDAM, P7 130,239130.2k $20.2m $20.2m 0.07% —
85 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.05% of their portfolio ALBANY, NY 128,974129.0k $20.0m $20.0m 0.05% —
86 Mitsubishi UFJ Asset Management Co., Ltd. 0.06% of their portfolio TOKYO, M0 128,171128.2k $19.9m $19.9m 0.06% —
87 NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio ALBANY, NY 125,875125.9k $19.5m $19.5m 0.03% —
88 CWM, LLC 0.15% of their portfolio OMAHA, NE 124,596124.6k $19.3m $19.3m 0.15% —
89 Point72 Asset Management, L.P. 0.08% of their portfolio STAMFORD, CT 123,725123.7k $19.2m $19.2m 0.08% —
90 Investure, LLC 3.75% of their portfolio CHARLOTTESVILLE, VA 123,070123.1k $19.1m $19.1m 3.75% —
91 NISA INVESTMENT ADVISORS, LLC 0.16% of their portfolio ST. LOUIS, MO 120,189120.2k $18.6m $18.6m 0.16% —
92 Retirement Systems of Alabama 0.08% of their portfolio MONTGOMERY, AL 110,816110.8k $17.2m $17.2m 0.08% —
93 HAHN CAPITAL MANAGEMENT LLC 4.43% of their portfolio WALNUT CREEK, CA 102,225102.2k $15.9m $15.9m 4.43% —
94 State of Alaska, Department of Revenue 0.21% of their portfolio JUNEAU, AK 100,475100.5k $15.6m $15.6m 0.21% —
95 CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 0.28% of their portfolio RADNOR, PA 98,88198.9k $15.3m $15.3m 0.28% —
96 TWO SIGMA INVESTMENTS, LP 0.05% of their portfolio NEW YORK, NY 97,07197.1k $15.1m $15.1m 0.05% —
97 MACQUARIE GROUP LTD 0.02% of their portfolio Sydney, NSW 2000, C3 96,78296.8k $15.1m $15.1m 0.02% —
98 Uniplan Investment Counsel, Inc. 1.14% of their portfolio MILWAUKEE, WI 95,67695.7k $14.8m $14.8m 1.14% —
99 GUGGENHEIM CAPITAL LLC 0.13% of their portfolio CHICAGO, IL 94,17594.2k $14.6m $14.6m 0.13% —
100 TWO SIGMA ADVISERS, LP 0.04% of their portfolio NEW YORK, NY 93,90093.9k $14.6m $14.6m 0.04% —