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Ken Griffin's Simon Property Group, Inc. (SPG) position

Yes: as of Q1 2026, Ken Griffin holds 1.1M shares of SPG worth $212M (0.2% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$212M
Shares held
1.1M
% of portfolio
0.2%
Est. average buy price (i)
$177.42
est. since Q1 2021
Quarter-end price
$186.53

Estimated trade prices

Average price in quarters with purchases
$153.64
Average prices in quarters with sales
  • Q1 2026: $190.72 (12K shares sold)
  • Q3 2025: $172.63 (955K shares sold)
  • Q1 2025: $174.79 (69K shares sold)
  • Q1 2024: $146.65 (191K shares sold)
  • Q1 2023: $119.41 (279K shares sold)
  • Q3 2022: $102.29 (648K shares sold)
  • Q1 2022: $142.47 (18K shares sold)
  • Q4 2021: $152.63 (288K shares sold)
  • Q3 2021: $130.15 (312K shares sold)
  • Q2 2021: $124.30 (305K shares sold)

SPG price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$50$100$150$200$25020222023202420252026Sold 312K shares (41.1%) · Q3 2021. Average closing price $130.15 · Price range $117.19–$136.42312KsharessoldSold 288K shares (64.5%) · Q4 2021. Average closing price $152.63 · Price range $131.39–$170.50288KsharessoldSold 18K shares (11.1%) · Q1 2022. Average closing price $142.47 · Price range $128.19–$163.1618KsharessoldAdded 567K shares (402.7%) · Q2 2022. Average closing price $114.60 · Price range $94.62–$134.53567KsharespurchasedSold 648K shares (91.5%) · Q3 2022. Average closing price $102.29 · Price range $87.36–$115.85648KsharessoldAdded 223K shares (372.3%) · Q4 2022. Average closing price $111.14 · Price range $90.98–$120.70223KsharespurchasedSold 279K shares (98.6%) · Q1 2023. Average closing price $119.41 · Price range $102.38–$131.79279KsharessoldAdded 159K shares (over 1,000%) · Q2 2023. Average closing price $108.92 · Price range $101.25–$115.48159KsharespurchasedAdded 25K shares (15.2%) · Q3 2023. Average closing price $117.12 · Price range $108.03–$125.4425KsharespurchasedAdded 12K shares (6.3%) · Q4 2023. Average closing price $120.87 · Price range $103.37–$146.5812KsharespurchasedSold 191K shares (96.0%) · Q1 2024. Average closing price $146.65 · Price range $136.79–$156.49191KsharessoldAdded 214K shares (over 1,000%) · Q2 2024. Average closing price $147.31 · Price range $140.18–$153.78214KsharespurchasedAdded 52K shares (23.3%) · Q3 2024. Average closing price $158.33 · Price range $146.09–$170.1152KsharespurchasedAdded 729K shares (266.1%) · Q4 2024. Average closing price $175.51 · Price range $167.23–$183.84729KsharespurchasedSold 69K shares (6.8%) · Q1 2025. Average closing price $174.79 · Price range $159.48–$187.7869KsharessoldAdded 325K shares (34.7%) · Q2 2025. Average closing price $158.00 · Price range $140.37–$171.44325KsharespurchasedSold 955K shares (75.8%) · Q3 2025. Average closing price $172.63 · Price range $159.93–$187.67955KsharessoldAdded 847K shares (278.1%) · Q4 2025. Average closing price $181.72 · Price range $173.35–$188.86847KsharespurchasedSold 12K shares (1.1%) · Q1 2026. Average closing price $190.72 · Price range $178.27–$203.8512Ksharessold← Earlier —1 sell
Average closing price · filing quarter
$190.72
Price range · filing quarter
$178.27 – $203.85
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −12K −$2.4M −1.1% 1.1M May 15, 2026
Q4 2025 Added +847K +$154M +278.1% 1.2M Feb 17, 2026
Q3 2025 Reduced −955K −$165M −75.8% 304K Nov 14, 2025
Q2 2025 Added +325K +$51M +34.7% 1.3M Aug 14, 2025
Q1 2025 Reduced −69K −$12M −6.8% 935K May 15, 2025
Q4 2024 Added +729K +$128M +266.1% 1.0M Feb 14, 2025
Q3 2024 Added +52K +$8.2M +23.3% 274K Nov 14, 2024
Q2 2024 Added +214K +$32M +2,719.3% 222K Aug 14, 2024
Q1 2024 Reduced −191K −$28M −96.0% 8K May 15, 2024
Q4 2023 Added +12K +$1.4M +6.3% 199K Feb 14, 2024
Q3 2023 Added +25K +$2.9M +15.2% 187K Nov 14, 2023
Q2 2023 Added +159K +$17M +3,971.6% 163K Aug 14, 2023
Q1 2023 Reduced −279K −$33M −98.6% 4K May 15, 2023
Q4 2022 Added +223K +$25M +372.3% 283K Feb 14, 2023
Q3 2022 Reduced −648K −$66M −91.5% 60K Nov 14, 2022
Q2 2022 Added +567K +$65M +402.7% 708K Aug 15, 2022
Q1 2022 Reduced −18K −$2.5M −11.1% 141K May 16, 2022
Q4 2021 Reduced −288K −$44M −64.5% 158K Feb 14, 2022
Q3 2021 Reduced −312K −$41M −41.1% 446K Nov 15, 2021
Q2 2021 Reduced −305K −$38M −28.7% 759K Aug 16, 2021
Q1 2021 First covered – – – 1.1M May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

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Common questions

Does Ken Griffin own SPG?

Yes. As of Q1 2026, Ken Griffin disclosed 1.1M shares of SPG, worth $212M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy SPG?

Ken Griffin held SPG since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell SPG?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in SPG. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of SPG does Ken Griffin own?

Ken Griffin disclosed 1.1M shares of SPG as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for SPG?

Ken Griffin began building the SPG position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.