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Ken Griffin's Synopsys, Inc. (SNPS) position

Yes: as of Q1 2026, Ken Griffin holds 200K shares of SNPS worth $79M (0.1% 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
$79M
Shares held
200K
% of portfolio
0.1%
Est. average buy price (i)
$467.27
est. since Q3 2025
Quarter-end price
$396.48

Estimated trade prices

Average price in quarters with purchases
$403.76
Average prices in quarters with sales
  • Q1 2026: $452.12 (468K shares sold)
  • Q1 2025: $485.80 (106K shares sold)
  • Q1 2024: $550.38 (243K shares sold)
  • Q3 2023: $447.51 (172K shares sold)
  • Q2 2023: $402.78 (173K shares sold)
  • Q1 2023: $357.27 (148K shares sold)
  • Q4 2022: $313.01 (363K shares sold)
  • Q1 2022: $312.14 (206K shares sold)
  • Q3 2021: $303.56 (107K shares sold)
  • Q2 2021: $253.80 (96K shares sold)

SNPS price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$200$400$600$80020222023202420252026Sold 107K shares (69.1%) · Q3 2021. Average closing price $303.56 · Price range $274.48–$337.74107KsharessoldAdded 198K shares (413.6%) · Q4 2021. Average closing price $337.23 · Price range $288.74–$375.59198KsharespurchasedSold 206K shares (83.6%) · Q1 2022. Average closing price $312.14 · Price range $278.98–$361.10206KsharessoldAdded 186K shares (460.1%) · Q2 2022. Average closing price $301.65 · Price range $260.83–$340.15186KsharespurchasedAdded 630K shares (278.6%) · Q3 2022. Average closing price $338.58 · Price range $301.23–$390.45630KsharespurchasedSold 363K shares (42.4%) · Q4 2022. Average closing price $313.01 · Price range $276.19–$357.84363KsharessoldSold 148K shares (30.0%) · Q1 2023. Average closing price $357.27 · Price range $315.04–$386.25148KsharessoldSold 173K shares (50.1%) · Q2 2023. Average closing price $402.78 · Price range $364.53–$464.83173KsharessoldSold 172K shares (99.9%) · Q3 2023. Average closing price $447.51 · Price range $424.10–$466.86172KsharessoldAdded 269K shares (over 1,000%) · Q4 2023. Average closing price $511.34 · Price range $450.72–$568.09269KsharespurchasedSold 243K shares (90.3%) · Q1 2024. Average closing price $550.38 · Price range $484.81–$602.01243KsharessoldNew position of 23K shares · Q3 2024. Average closing price $536.59 · Price range $463.97–$621.3023KsharespurchasedAdded 96K shares (417.4%) · Q4 2024. Average closing price $522.72 · Price range $485.36–$588.0096KsharespurchasedSold 106K shares (89.4%) · Q1 2025. Average closing price $485.80 · Price range $428.58–$551.54106KsharessoldAdded 127K shares (over 1,000%) · Q2 2025. Average closing price $465.89 · Price range $380.90–$517.66127KsharespurchasedAdded 541K shares (427.0%) · Q4 2025. Average closing price $444.33 · Price range $383.82–$489.36541KsharespurchasedSold 468K shares (70.0%) · Q1 2026. Average closing price $452.12 · Price range $380.47–$533.42468Ksharessold← Earlier —1 sell
Average closing price · filing quarter
$452.12
Price range · filing quarter
$380.47 – $533.42
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −468K −$211M −70.0% 200K May 15, 2026
Q4 2025 Added +541K +$241M +427.0% 668K Feb 17, 2026
Q3 2025 First covered – – – 127K Nov 14, 2025
Q2 2025 Added +127K +$59M +1,008.4% 139K Aug 14, 2025
Q1 2025 Reduced −106K −$52M −89.4% 13K May 15, 2025
Q4 2024 Added +96K +$50M +417.4% 119K Feb 14, 2025
Q3 2024 New +23K +$12M – 23K Nov 14, 2024
Q1 2024 Reduced −243K −$134M −90.3% 26K May 15, 2024
Q4 2023 Added +269K +$138M +140,947.6% 269K Feb 14, 2024
Q3 2023 Reduced −172K −$77M −99.9% 191 Nov 14, 2023
Q2 2023 Reduced −173K −$70M −50.1% 173K Aug 14, 2023
Q1 2023 Reduced −148K −$53M −30.0% 346K May 15, 2023
Q4 2022 Reduced −363K −$114M −42.4% 494K Feb 14, 2023
Q3 2022 Added +630K +$213M +278.6% 856K Nov 14, 2022
Q2 2022 Added +186K +$56M +460.1% 226K Aug 15, 2022
Q1 2022 Reduced −206K −$64M −83.6% 40K May 16, 2022
Q4 2021 Added +198K +$67M +413.6% 246K Feb 14, 2022
Q3 2021 Reduced −107K −$33M −69.1% 48K Nov 15, 2021
Q2 2021 Reduced −96K −$24M −38.1% 155K Aug 16, 2021
Q1 2021 First covered – – – 251K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
20 grouped rows from 20 quarters

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Common questions

Does Ken Griffin own SNPS?

Yes. As of Q1 2026, Ken Griffin disclosed 200K shares of SNPS, worth $79M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy SNPS?

Ken Griffin held SNPS 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 SNPS?

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

How many shares of SNPS does Ken Griffin own?

Ken Griffin disclosed 200K shares of SNPS 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 SNPS?

Ken Griffin began building the SNPS 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.