Simon Property Group, Inc.
US ˙ NYSE ˙ US8288061091

SecuritySPG / Simon Property Group, Inc.
InstitutionAmalgamated Bank
Latest Disclosed Ownership61,894 shares
Latest Disclosed Value $ 11,545
Amalgamated Bank reports 2.15% decrease in ownership of SPG / Simon Property Group, Inc.

On May 8, 2026 - Amalgamated Bank filed a 13F-HR form disclosing ownership of 61,894 shares of Simon Property Group, Inc. (US:SPG) valued at $11,545,088 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 63,253 shares of Simon Property Group, Inc.. This represents a change in shares of -2.15% during the quarter. The current value of the position is $12,598,524 USD.

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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-08 2026-03-31 13F SIMON PROPERTY GROUP COM 828806109 61,894 -1,359 -2.15 12 0.00 0.0883
2026-02-05 2025-12-31 13F SIMON PROPERTY GROUP COM 828806109 63,253 -2,795 -4.23 12 -8.33 0.0845
2025-10-29 2025-09-30 13F SIMON PROPERTY GROUP COM 828806109 66,048 2,067 3.23 12 20.00 0.0886
2025-08-04 2025-06-30 13F SIMON PROPERTY GROUP COM 828806109 63,981 2,039 3.29 10 0.00 0.0794
2025-04-25 2025-03-31 13F SIMON PROPERTY GROUP COM 828806109 61,942 1,114 1.83 10 0.00 0.0880
2025-02-04 2024-12-31 13F SIMON PROPERTY GROUP COM 828806109 60,828 -1,465 -2.35 10 0.00 0.0860
2024-10-30 2024-09-30 13F SIMON PROPERTY GROUP COM 828806109 62,293 -4,484 -6.71 11 0.00 0.0867
2024-08-12 2024-06-30 13F SIMON PROPERTY GROUP COM 828806109 66,777 -1,125 -1.66 10 0.00 0.0863
2024-04-23 2024-03-31 13F SIMON PROPERTY GROUP COM 828806109 67,902 -14,040 -17.13 11 -9.09 0.0909
2024-02-06 2023-12-31 13F SIMON PROPERTY GROUP COM 828806109 81,942 -5,057 -5.81 12 22.22 0.0932
2023-11-08 2023-09-30 13F SIMON PROPERTY GROUP COM 828806109 86,999 3,938 4.74 9 0.00 0.0800
2023-08-11 2023-06-30 13F SIMON PROPERTY GROUP COM 828806109 83,061 -2,947 -3.43 10 0.00 0.0776
2023-05-02 2023-03-31 13F SIMON PROPERTY GROUP COM 828806109 86,008 -299 -0.35 10 -10.00 0.0821
2023-02-10 2022-12-31 13F SIMON PROPERTY GROUP COM 828806109 86,307 1,106 1.30 10 -99.87 0.0904
2022-11-09 2022-09-30 13F SIMON PROPERTY GROUP COM 828806109 85,201 -890 -1.03 7,647 -6.42 0.0738
2022-08-15 2022-06-30 13F SIMON PROPERTY GROUP COM 828806109 86,091 -85 -0.10 8,172 -27.92 0.0762
2022-08-25 2022-03-31 13F/A-1 SIMON PROPERTY GROUP COM 828806109 86,176 2,556 3.06 11,337 -15.14 0.0881
2022-06-30 2022-03-31 13F SIMON PROPERTY GROUP COM 828806109 86,176 2,556 11,337 0.0900
2022-02-15 2021-12-31 13F/A-1 SIMON PROPERTY GROUP COM 828806109 83,620 2,381 2.93 13,360 26.53 0.0986
2022-02-15 2021-12-31 13F SIMON PROPERTY GROUP COM 828806109 83,620 2,381 13,360 0.0986
2021-10-29 2021-09-30 13F SIMON PROPERTY GROUP COM 828806109 81,239 -3,210 -3.80 10,559 -4.17 0.0892
2021-08-16 2021-06-30 13F SIMON PROPERTY GROUP COM 828806109 84,449 64,823 330.29 11,019 393.46 0.0883
2021-05-13 2021-03-31 13F SIMON PROPERTY GROUP COM 828806109 19,626 -715 -3.52 2,233 28.70 0.0837
2021-02-12 2020-12-31 13F SIMON PROPERTY GROUP COM 828806109 20,341 1,147 5.98 1,735 39.81 0.0658
2020-10-30 2020-09-30 13F SIMON PROPERTY GROUP COM 828806109 19,194 -546 -2.77 1,241 -8.07 0.0540
2020-08-10 2020-06-30 13F SIMON PROPERTY GROUP COM 828806109 19,740 -30,713 -60.87 1,350 -51.23 0.0625
2020-05-13 2020-03-31 13F SIMON PROPERTY GROUP COM 828806109 50,453 -1,680 -3.22 2,768 -64.36 0.0677
2020-02-13 2019-12-31 13F SIMON PROPERTY GROUP COM 828806109 52,133 1,921 3.83 7,766 -0.63 0.1429
2019-11-13 2019-09-30 13F SIMON PROPERTY GROUP COM 828806109 50,212 9,050 21.99 7,815 18.84 0.1643
2019-08-14 2019-06-30 13F SIMON PROPERTY GROUP COM 828806109 41,162 -4,693 -10.23 6,576 -21.29 0.1535
2019-05-15 2019-03-31 13F SIMON PROPERTY GROUP COM 828806109 45,855 1,102 2.46 8,355 11.13 0.2025
2019-02-15 2018-12-31 13F SIMON PROPERTY GROUP COM 828806109 44,753 -1,250 -2.72 7,518 -7.54 0.2130
2018-11-14 2018-09-30 13F SIMON PROPERTY GROUP COM 828806109 46,003 -1,438 -3.03 8,131 0.71 0.2011
2018-07-18 2018-06-30 13F SIMON PROPERTY GROUP COM 828806109 47,441 2,544 5.67 8,074 16.51 0.1973
2018-05-22 2018-03-31 13F SIMON PROPERTY GROUP COM 828806109 44,897 4,000 9.78 6,930 -1.34 0.1838
2018-02-13 2017-12-31 13F SIMON PROPERTY GROUP COM 828806109 40,897 3,584 9.61 7,024 16.91 0.1901
2017-11-09 2017-09-30 13F SIMON PROPERTY GROUP COM 828806109 37,313 794 2.17 6,008 1.71 0.1871
2017-08-10 2017-06-30 13F SIMON PROPERTY GROUP COM 828806109 36,519 13,141 56.21 5,907 46.87 0.1936
2017-05-12 2017-03-31 13F SIMON PROPERTY GROUP COM 828806109 23,378 -8,873 -27.51 4,022 -29.81 0.2002
2017-02-14 2016-12-31 13F SIMON PROPERTY GROUP COM 828806109 32,251 5,818 22.01 5,730 4.71 0.2590
2016-11-15 2016-09-30 13F/A-1 SIMON PROPERTY GROUP COM 828806109 26,433 131 0.50 5,472 -3.03 0.3175
2016-11-14 2016-09-30 13F SIMON PROPERTY GROUP COM 828806109 7,903 1,636
2016-08-16 2016-06-30 13F SIMON PROPERTY GROUP COM 828806109 26,302 13,946 112.87 5,643 119.91 0.3265
2016-05-11 2016-03-31 13F SIMON PROPERTY GROUP COM 828806109 12,356 2,946 31.31 2,566 40.22 0.2500
2016-02-10 2015-12-31 13F SIMON PROPERTY GROUP COM 828806109 9,410 -2,396 -20.29 1,830 -15.63 0.2257
2015-11-04 2015-09-30 13F SIMON PROPERTY GROUP COM 828806109 11,806 423 3.72 2,169 10.16 0.2275
2015-07-10 2015-06-30 13F SIMON PROPERTY GROUP COM 828806109 11,383 780 7.36 1,969 -5.06 0.1934
2015-04-22 2015-03-31 13F SIMON PROPERTY GROUP COM 828806109 10,603 10,603 0.00 2,074 0.2532
2015-01-29 2014-12-31 13F SIMON PROPERTY GROUP COM 828806109 0 -9,307 -100.00 0 -100.00
2014-11-14 2014-09-30 13F SIMON PROPERTY GROUP COM 828806109 9,307 450 5.08 1,530 3.87 0.2277
2014-08-11 2014-06-30 13F SIMON PROPERTY GROUP COM 828806109 8,857 1,028 13.13 1,473 14.72 0.2223
2014-05-12 2014-03-31 13F SIMON PROPERTY GROUP COM 828806109 7,829 -147 -1.84 1,284 5.77 0.2212
2014-02-13 2013-12-31 13F SIMON PROPERTY GROUP COM 828806109 7,976 7,976 3.37 1,214 -0.74 0.2063
2013-11-14 2013-09-30 13F SIMON PROPERTY GROUP COM 828806109 0 0 0 0.0000
2013-08-15 2013-06-30 13F SIMON PROPERTY GROUP COM 828806109 0 -7,716 -100.00 0 -100.00
2014-02-13 2013-03-31 13F SIMON PROPERTY GROUP COM 828806109 7,716 2,261 41.45 1,223 41.88 0.3470
2014-02-11 2012-12-31 13F SIMON PROPERTY GROUP COM 828806109 5,455 1,260 30.04 862 35.32 0.3590
2014-02-11 2012-09-30 13F SIMON PROPERTY GROUP COM 828806109 4,195 133 3.27 637 0.79 0.4045
2014-02-11 2012-06-30 13F SIMON PROPERTY GROUP COM 828806109 4,062 131 3.33 632 10.30 0.4538
2014-02-11 2012-03-31 13F SIMON PROPERTY GROUP COM 828806109 3,931 -188 -4.56 573 7.91 0.3980
2014-02-11 2011-12-31 13F SIMON PROPERTY GROUP COM 828806109 4,119 0 0.00 531 17.22 0.3816
2014-02-11 2011-09-30 13F SIMON PROPERTY GROUP COM 828806109 4,119 282 7.35 453 1.57 0.3712
2014-02-11 2011-06-30 13F SIMON PROPERTY GROUP COM 828806109 3,837 -11 -0.29 446 8.25 0.3229
2014-02-11 2011-03-31 13F SIMON PROPERTY GROUP COM 828806109 3,848 -190 -4.71 412 2.49 0.2994
2014-02-11 2010-12-31 13F SIMON PROPERTY GROUP COM 828806109 4,038 4,038 402 0.3078
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.