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Ken Griffin's Vertex Pharmaceuticals Incorporated (VRTX) position

Yes: as of Q1 2026, Ken Griffin holds 339K shares of VRTX worth $152M (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
$152M
Shares held
339K
% of portfolio
0.1%
Est. average buy price (i)
$428.26
Quarter-end price
$446.54

Estimated trade prices

Average price in quarters with purchases
$386.12
Average prices in quarters with sales
  • Q1 2026: $466.52 (88K shares sold)
  • Q1 2025: $466.00 (157K shares sold)
  • Q3 2024: $480.37 (54K shares sold)
  • Q1 2024: $422.74 (245K shares sold)
  • Q2 2023: $336.94 (84K shares sold)
  • Q1 2023: $299.93 (120K shares sold)
  • Q1 2022: $237.33 (210K shares sold)
  • Q4 2021: $194.45 (162K shares sold)
  • Q2 2021: $209.17 (1.3M shares sold)

VRTX price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$100$200$400$60020222023202420252026Added 25K shares (6.3%) · Q3 2021. Average closing price $195.24 · Price range $181.39–$202.9925KsharespurchasedSold 162K shares (39.0%) · Q4 2021. Average closing price $194.45 · Price range $177.01–$223.45162KsharessoldSold 210K shares (83.1%) · Q1 2022. Average closing price $237.33 · Price range $221.42–$260.97210KsharessoldNew position of 14K shares · Q3 2022. Average closing price $287.72 · Price range $273.83–$305.5314KsharespurchasedAdded 190K shares (over 1,000%) · Q4 2022. Average closing price $304.77 · Price range $285.76–$321.48190KsharespurchasedSold 120K shares (58.8%) · Q1 2023. Average closing price $299.93 · Price range $283.23–$323.10120KsharessoldSold 84K shares (99.9%) · Q2 2023. Average closing price $336.94 · Price range $314.42–$351.9184KsharessoldAdded 28K shares (over 1,000%) · Q3 2023. Average closing price $349.73 · Price range $338.18–$362.4628KsharespurchasedAdded 299K shares (over 1,000%) · Q4 2023. Average closing price $369.42 · Price range $343.00–$410.68299KsharespurchasedSold 245K shares (74.9%) · Q1 2024. Average closing price $422.74 · Price range $407.69–$446.08245KsharessoldAdded 23K shares (27.6%) · Q2 2024. Average closing price $434.05 · Price range $392.81–$485.5323KsharespurchasedSold 54K shares (52.0%) · Q3 2024. Average closing price $480.37 · Price range $460.00–$505.7854KsharessoldAdded 112K shares (222.9%) · Q4 2024. Average closing price $463.53 · Price range $396.64–$516.74112KsharespurchasedSold 157K shares (96.9%) · Q1 2025. Average closing price $466.00 · Price range $402.49–$513.76157KsharessoldAdded 24K shares (474.4%) · Q2 2025. Average closing price $460.83 · Price range $421.16–$509.5024KsharespurchasedAdded 145K shares (501.9%) · Q3 2025. Average closing price $417.89 · Price range $368.03–$479.53145KsharespurchasedAdded 254K shares (146.1%) · Q4 2025. Average closing price $430.92 · Price range $402.90–$463.13254KsharespurchasedSold 88K shares (20.6%) · Q1 2026. Average closing price $466.52 · Price range $433.07–$499.1788Ksharessold← Earlier —1 sell
Average closing price · filing quarter
$466.52
Price range · filing quarter
$433.07 – $499.17
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −88K −$41M −20.6% 339K May 15, 2026
Q4 2025 Added +254K +$109M +146.1% 427K Feb 17, 2026
Q3 2025 Added +145K +$60M +501.9% 174K Nov 14, 2025
Q2 2025 Added +24K +$11M +474.4% 29K Aug 14, 2025
Q1 2025 Reduced −157K −$73M −96.9% 5K May 15, 2025
Q4 2024 Added +112K +$52M +222.9% 162K Feb 14, 2025
Q3 2024 Reduced −54K −$26M −52.0% 50K Nov 14, 2024
Q2 2024 Added +23K +$9.8M +27.6% 105K Aug 14, 2024
Q1 2024 Reduced −245K −$103M −74.9% 82K May 15, 2024
Q4 2023 Added +299K +$110M +1,077.5% 327K Feb 14, 2024
Q3 2023 Added +28K +$9.7M +24,452.2% 28K Nov 14, 2023
Q2 2023 Reduced −84K −$28M −99.9% 113 Aug 14, 2023
Q1 2023 Reduced −120K −$36M −58.8% 84K May 15, 2023
Q4 2022 Added +190K +$58M +1,379.2% 204K Feb 14, 2023
Q3 2022 New +14K +$4.0M – 14K Nov 14, 2022
Q1 2022 Reduced −210K −$50M −83.1% 43K May 16, 2022
Q4 2021 Reduced −162K −$31M −39.0% 253K Feb 14, 2022
Q3 2021 Added +25K +$4.8M +6.3% 414K Nov 15, 2021
Q2 2021 Reduced −1.3M −$278M −77.3% 390K Aug 16, 2021
Q1 2021 First covered – – – 1.7M 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 VRTX?

Yes. As of Q1 2026, Ken Griffin disclosed 339K shares of VRTX, worth $152M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy VRTX?

Ken Griffin held VRTX 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 VRTX?

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

How many shares of VRTX does Ken Griffin own?

Ken Griffin disclosed 339K shares of VRTX 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 VRTX?

Ken Griffin's estimated average buy price for VRTX is $428.26, 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.