AvalonBay Communities, Inc.
MX ˙ BMV ˙ US0534841012
SecurityMX:AVB / AvalonBay Communities, Inc.
InstitutionQuadrant Capital Group Llc
Latest Disclosed Ownership2,669 shares
Latest Disclosed Value $ 435,982
Quadrant Capital Group Llc reports 2.06% decrease in ownership of AVB / AvalonBay Communities, Inc.

On May 13, 2026 - Quadrant Capital Group Llc filed a 13F-HR/A form disclosing ownership of 2,669 shares of AvalonBay Communities, Inc. (MX:AVB) valued at $435,982 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 2,725 shares of AvalonBay Communities, Inc.. This represents a change in shares of -2.06% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-13 2026-03-31 13F/A-1 AVALONBAY CMNTYS COM 053484101 2,669 -56 -2.06 436 -11.94 0.0130
2026-05-11 2026-03-31 13F AVALONBAY CMNTYS COM 053484101 2,669 -56 49 0.0369
2026-02-12 2025-12-31 13F AVALONBAY CMNTYS COM 053484101 2,725 -2,591 -48.74 494 -51.85 0.0149
2025-11-13 2025-09-30 13F AVALONBAY CMNTYS COM 053484101 5,316 2,252 73.50 1,027 64.69 0.0334
2025-08-13 2025-06-30 13F AVALONBAY CMNTYS COM 053484101 3,064 -70 -2.23 624 -7.29 0.0224
2025-05-13 2025-03-31 13F AVALONBAY CMNTYS COM 053484101 3,134 2,023 182.09 673 175.41 0.0250
2025-02-13 2024-12-31 13F AVALONBAY CMNTYS COM 053484101 1,111 83 8.07 244 5.63 0.0168
2024-11-12 2024-09-30 13F AVALONBAY CMNTYS COM 053484101 1,028 -25 -2.37 232 6.45 0.0161
2024-08-12 2024-06-30 13F AVALONBAY CMNTYS COM 053484101 1,053 -52 -4.71 218 5.85 0.0162
2024-05-15 2024-03-31 13F AVALONBAY CMNTYS COM 053484101 1,105 0 0.00 205 -0.49 0.0162
2024-02-08 2023-12-31 13F AVALONBAY CMNTYS COM 053484101 1,105 -281 -20.27 207 -13.45 0.0178
2023-11-14 2023-09-30 13F AVALONBAY CMNTYS COM 053484101 1,386 108 8.45 238 -1.24 0.0238
2023-08-10 2023-06-30 13F AVALONBAY CMNTYS COM 053484101 1,278 -161 -11.19 242 0.00 0.0240
2023-05-11 2023-03-31 13F AVALONBAY CMNTYS COM 053484101 1,439 624 76.56 242 83.97 0.0252
2023-02-13 2022-12-31 13F AVALONBAY CMNTYS COM 053484101 815 -369 -31.17 132 -39.91 0.0149
2022-11-10 2022-09-30 13F AVALONBAY CMNTYS COM 053484101 1,184 288 32.14 218 25.29 0.0288
2022-08-09 2022-06-30 13F AVALONBAY CMNTYS COM 053484101 896 45 5.29 174 -17.92 0.0234
2022-05-06 2022-03-31 13F AVALONBAY CMNTYS COM 053484101 851 -52 -5.76 212 -7.02 0.0257
2022-02-01 2021-12-31 13F AVALONBAY CMNTYS COM 053484101 903 109 13.73 228 29.55 0.0272
2021-11-12 2021-09-30 13F AVALONBAY CMNTYS COM 053484101 794 9 1.15 176 7.32 0.0246
2021-08-09 2021-06-30 13F AVALONBAY CMNTYS COM 053484101 785 157 25.00 164 41.38 0.0238
2021-05-12 2021-03-31 13F AVALONBAY CMNTYS COM 053484101 628 174 38.33 116 58.90 0.0188
2021-02-16 2020-12-31 13F AVALONBAY CMNTYS COM 053484101 454 180 65.69 73 78.05 0.0136
2020-11-13 2020-09-30 13F AVALONBAY CMNTYS COM 053484101 274 -43 -13.56 41 -16.33 0.0089
2020-08-13 2020-06-30 13F AVALONBAY CMNTYS COM 053484101 317 -119 -27.29 49 -22.22 0.0108
2020-05-15 2020-03-31 13F Avalonbay Communities Com 053484101 436 -179 -29.11 63 -47.93 0.0105
2020-03-19 2019-12-31 13F/A-1 Avalonbay Communities Com 053484101 615 194 46.08 121 39.08 0.0146
2020-02-03 2019-12-31 13F Avalonbay Communities Com 053484101 615 194 121 408.8748
2019-10-24 2019-09-30 13F Avalonbay Communities COM 053484101 421 162 62.55 87 74.00 0.0134
2019-07-24 2019-06-30 13F Avalonbay Communities COM 053484101 259 0 0.00 50 2.04 0.0079
2019-04-29 2019-03-31 13F Avalonbay Communities COM 053484101 259 27 11.64 49 32.43 0.0086
2019-01-17 2018-12-31 13F AVALONBAY COMMUNITIES COM 053484101 232 -4 -1.69 37 -2.63 0.0099
2018-10-29 2018-09-30 13F AVALONBAY COMMUNITIES COM 053484101 236 0 0.00 38 5.56 0.0109
2018-08-08 2018-06-30 13F AVALONBAY COMMUNITIES COM 053484101 236 -20 -7.81 36 0.00 0.0126
2018-05-10 2018-03-31 13F AVALONBAY COMMUNITIES COM 053484101 256 -80 -23.81 36 -30.77 0.0131
2018-01-31 2017-12-31 13F AvalonBay Communities COM 053484101 336 -10 -2.89 52 -1.89 0.0207
2017-10-13 2017-09-30 13F AvalonBay Communities COM 053484101 346 11 3.28 53 20.45 0.0219
2017-08-14 2017-06-30 13F AvalonBay Communities COM 053484101 335 31 10.20 44 -8.33 0.0195
2017-04-10 2017-03-31 13F AvalonBay Communities COM 053484101 304 35 13.01 48 14.29 0.0211
2017-01-11 2016-12-31 13F AvalonBay Communities COM 053484101 269 13 5.08 42 2.44 0.0211
2016-10-25 2016-09-30 13F AvalonBay Communities COM 053484101 256 0 0.00 41 0.00 0.0267
2016-07-28 2016-06-30 13F AvalonBay Communities COM 053484101 256 19 8.02 41 0.00 0.0282
2016-04-27 2016-03-31 13F AvalonBay Communities COM 053484101 237 200 540.54 41 720.00 0.0266
2016-01-28 2015-12-31 13F AvalonBay Communities COM 053484101 37 -144 -79.56 5 -83.33 0.0035
2015-10-28 2015-09-30 13F AvalonBay Communities COM 053484101 181 12 7.10 30 11.11 0.0207
2015-08-12 2015-06-30 13F AvalonBay Communities COM 053484101 169 169 27 0.0172
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.