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Ken Griffin's PTC Inc. (PTC) position

Yes: as of Q1 2026, Ken Griffin holds 583K shares of PTC worth $82M (0.1% of the disclosed portfolio). Last quarter the position was increased by over 1,000%. First disclosed Q3 2021.
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Current value
$82M
Shares held
583K
% of portfolio
0.1%
Est. average buy price (i)
$159.94
Quarter-end price
$140.81

Estimated trade prices

Average price in quarters with purchases
$141.91
Average prices in quarters with sales
  • Q2 2024: $179.01 (537K shares sold)
  • Q1 2024: $180.13 (361K shares sold)
  • Q4 2023: $153.39 (186K shares sold)
  • Q3 2022: $114.09 (81K shares sold)
  • Q1 2022: $112.41 (71K shares sold)
  • Q4 2021: $120.51 (26K shares sold)

PTC price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$50$100$150$200$25020222023202420252026New position of 100K shares · Q3 2021. Average closing price $133.33 · Price range $119.79–$152.69100KsharespurchasedSold 26K shares (26.0%) · Q4 2021. Average closing price $120.51 · Price range $105.94–$129.8526KsharessoldSold 71K shares (95.4%) · Q1 2022. Average closing price $112.41 · Price range $101.51–$122.9871KsharessoldAdded 92K shares (over 1,000%) · Q2 2022. Average closing price $107.95 · Price range $97.62–$119.7092KsharespurchasedSold 81K shares (84.7%) · Q3 2022. Average closing price $114.09 · Price range $100.26–$125.8181KsharessoldAdded 295K shares (over 1,000%) · Q4 2022. Average closing price $119.63 · Price range $105.57–$132.01295KsharespurchasedAdded 82K shares (26.6%) · Q1 2023. Average closing price $127.16 · Price range $117.33–$138.1182KsharespurchasedNew position of 1.1M shares · Q3 2023. Average closing price $143.02 · Price range $137.25–$147.171.1MsharespurchasedSold 186K shares (17.2%) · Q4 2023. Average closing price $153.39 · Price range $135.85–$175.92186KsharessoldSold 361K shares (40.1%) · Q1 2024. Average closing price $180.13 · Price range $165.85–$190.28361KsharessoldSold 537K shares (99.7%) · Q2 2024. Average closing price $179.01 · Price range $170.60–$188.12537KsharessoldNew position of 974 shares · Q4 2024. Average closing price $189.60 · Price range $175.97–$201.89974sharespurchasedNew position of 25K shares · Q3 2025. Average closing price $203.96 · Price range $173.07–$216.7325KsharespurchasedAdded 2K shares (7.6%) · Q4 2025. Average closing price $185.88 · Price range $169.81–$205.872KsharespurchasedAdded 556K shares (over 1,000%) · Q1 2026. Average closing price $157.89 · Price range $140.34–$175.41556Ksharespurchased
Average closing price · filing quarter
$157.89
Price range · filing quarter
$140.34 – $175.41
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +556K +$88M +2,084.6% 583K May 15, 2026
Q4 2025 Added +2K +$351K +7.6% 27K Feb 17, 2026
Q3 2025 New +25K +$5.1M – 25K Nov 14, 2025
Q4 2024 New +974 +$185K – 974 Feb 14, 2025
Q2 2024 Reduced −537K −$96M −99.7% 2K Aug 14, 2024
Q1 2024 Reduced −361K −$65M −40.1% 539K May 15, 2024
Q4 2023 Reduced −186K −$29M −17.2% 900K Feb 14, 2024
Q3 2023 New +1.1M +$155M – 1.1M Nov 14, 2023
Q1 2023 Added +82K +$10M +26.6% 392K May 15, 2023
Q4 2022 Added +295K +$35M +2,021.0% 309K Feb 14, 2023
Q3 2022 Reduced −81K −$9.2M −84.7% 15K Nov 14, 2022
Q2 2022 Added +92K +$9.9M +2,710.2% 95K Aug 15, 2022
Q1 2022 Reduced −71K −$8.0M −95.4% 3K May 16, 2022
Q4 2021 Reduced −26K −$3.2M −26.0% 74K Feb 14, 2022
Q3 2021 New +100K +$13M – 100K Nov 15, 2021
Data through Q1 2026 · filed May 15, 2026
15 grouped rows from 15 quarters

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Common questions

Does Ken Griffin own PTC?

Yes. As of Q1 2026, Ken Griffin disclosed 583K shares of PTC, worth $82M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy PTC?

Ken Griffin first disclosed a PTC position in Q3 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell PTC?

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

How many shares of PTC does Ken Griffin own?

Ken Griffin disclosed 583K shares of PTC 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 PTC?

Ken Griffin's estimated average buy price for PTC is $159.94, from quarter-average prices weighted by the shares added each quarter. 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.