Extra Space Storage Inc.
MX ˙ BMV ˙ US30225T1025
SecurityMX:EXR / Extra Space Storage Inc.
InstitutionQuadrant Capital Group Llc
Latest Disclosed Ownership8,187 shares
Latest Disclosed Value $ 1,073,562
Quadrant Capital Group Llc reports 306.10% increase in ownership of EXR / Extra Space Storage Inc.

On May 13, 2026 - Quadrant Capital Group Llc filed a 13F-HR/A form disclosing ownership of 8,187 shares of Extra Space Storage Inc. (MX:EXR) valued at $1,073,562 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 12, 2026 disclosing 2,016 shares of Extra Space Storage Inc.. This represents a change in shares of 306.10% 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 EXTRA SPACE STORAGE COM 30225T102 8,187 6,171 306.10 1,074 309.54 0.0321
2026-05-11 2026-03-31 13F EXTRA SPACE STORAGE COM 30225T102 8,187 6,171 49 0.0369
2026-02-12 2025-12-31 13F EXTRA SPACE STORAGE COM 30225T102 2,016 -3,166 -61.10 263 -64.11 0.0079
2025-11-13 2025-09-30 13F EXTRA SPACE STORAGE COM 30225T102 5,182 -413 -7.38 730 -11.41 0.0237
2025-08-13 2025-06-30 13F EXTRA SPACE STORAGE COM 30225T102 5,595 2,662 90.76 825 89.43 0.0297
2025-05-13 2025-03-31 13F EXTRA SPACE STORAGE COM 30225T102 2,933 1,606 121.02 436 119.70 0.0162
2025-02-13 2024-12-31 13F EXTRA SPACE STORAGE COM 30225T102 1,327 73 5.82 199 -12.00 0.0137
2024-11-12 2024-09-30 13F EXTRA SPACE STORAGE COM 30225T102 1,254 -1 -0.08 226 15.38 0.0157
2024-08-12 2024-06-30 13F EXTRA SPACE STORAGE COM 30225T102 1,255 91 7.82 195 14.04 0.0145
2024-05-15 2024-03-31 13F EXTRA SPACE STORAGE COM 30225T102 1,164 -30 -2.51 171 -10.47 0.0135
2024-02-08 2023-12-31 13F EXTRA SPACE STORAGE COM 30225T102 1,194 -372 -23.75 191 0.53 0.0164
2023-11-14 2023-09-30 13F EXTRA SPACE STORAGE COM 30225T102 1,566 962 159.27 190 113.48 0.0191
2023-08-10 2023-06-30 13F EXTRA SPACE STORAGE COM 30225T102 604 -108 -15.17 90 -23.28 0.0089
2023-05-11 2023-03-31 13F EXTRA SPACE STORAGE COM 30225T102 712 138 24.04 116 38.10 0.0121
2023-02-13 2022-12-31 13F EXTRA SPACE STORAGE COM 30225T102 574 -262 -31.34 84 -41.67 0.0096
2022-11-10 2022-09-30 13F EXTRA SPACE STORAGE COM 30225T102 836 221 35.93 144 37.14 0.0190
2022-08-09 2022-06-30 13F EXTRA SPACE STORAGE COM 30225T102 615 -80 -11.51 105 -26.57 0.0141
2022-05-06 2022-03-31 13F EXTRA SPACE STORAGE COM 30225T102 695 46 7.09 143 -2.72 0.0173
2022-02-01 2021-12-31 13F EXTRA SPACE STORAGE COM 30225T102 649 53 8.89 147 47.00 0.0175
2021-11-12 2021-09-30 13F EXTRA SPACE STORAGE COM 30225T102 596 -189 -24.08 100 -22.48 0.0140
2021-08-09 2021-06-30 13F EXTRA SPACE STORAGE COM 30225T102 785 60 8.28 129 34.38 0.0187
2021-05-12 2021-03-31 13F EXTRA SPACE STORAGE COM 30225T102 725 45 6.62 96 21.52 0.0156
2021-02-16 2020-12-31 13F EXTRA SPACE STORAGE COM 30225T102 680 82 13.71 79 23.44 0.0147
2020-11-13 2020-09-30 13F EXTRA SPACE STORAGE COM 30225T102 598 411 219.79 64 276.47 0.0139
2020-08-13 2020-06-30 13F EXTRA SPACE STORAGE COM 30225T102 187 -717 -79.31 17 -80.23 0.0038
2020-05-15 2020-03-31 13F Extra Space Storage Com 30225T102 904 670 286.32 86 309.52 0.0144
2020-03-19 2019-12-31 13F/A-1 Extra Space Storage Com 30225T102 234 97 70.80 21 61.54 0.0025
2020-02-03 2019-12-31 13F Extra Space Storage Com 30225T102 234 97 21 70.9617
2019-10-24 2019-09-30 13F Extra Space Storage COM 30225T102 137 0 0.00 13 8.33 0.0020
2019-07-24 2019-06-30 13F Extra Space Storage COM 30225T102 137 0 0.00 12 0.00 0.0019
2019-04-29 2019-03-31 13F Extra Space Storage COM 30225T102 137 -82 -37.44 12 -33.33 0.0021
2019-01-17 2018-12-31 13F EXTRA SPACE STORAGE COM 30225T102 219 81 58.70 18 63.64 0.0048
2018-10-29 2018-09-30 13F EXTRA SPACE STORAGE COM 30225T102 138 0 0.00 11 -8.33 0.0031
2018-08-08 2018-06-30 13F EXTRA SPACE STORAGE COM 30225T102 138 0 0.00 12 9.09 0.0042
2018-05-10 2018-03-31 13F EXTRA SPACE STORAGE COM 30225T102 138 9 6.98 11 0.00 0.0040
2018-01-31 2017-12-31 13F Extra Space Storage COM 30225T102 129 36 38.71 11 83.33 0.0044
2017-10-13 2017-09-30 13F Extra Space Storage COM 30225T102 93 0 0.00 6 0.00 0.0025
2017-08-14 2017-06-30 13F Extra Space Storage COM 30225T102 93 11 13.41 6 0.00 0.0027
2017-04-10 2017-03-31 13F Extra Space Storage COM 30225T102 82 -44 -34.92 6 -33.33 0.0026
2017-01-11 2016-12-31 13F Extra Space Storage COM 30225T102 126 -44 -25.88 9 -30.77 0.0045
2016-10-25 2016-09-30 13F Extra Space Storage COM 30225T102 170 -123 -41.98 13 -43.48 0.0085
2016-07-28 2016-06-30 13F Extra Space Storage COM 30225T102 293 29 10.98 23 4.55 0.0158
2016-04-27 2016-03-31 13F Extra Space Storage COM 30225T102 264 136 106.25 22 100.00 0.0143
2016-01-28 2015-12-31 13F Extra Space Storage COM 30225T102 128 0 0.00 11 22.22 0.0076
2015-10-28 2015-09-30 13F Extra Space Storage COM 30225T102 128 128 9 0.0062
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.