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Ken Griffin's Fortinet, Inc. (FTNT) position

Yes: as of Q1 2026, Ken Griffin holds 1.0M shares of FTNT worth $83M (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
$83M
Shares held
1.0M
% of portfolio
0.1%
Est. average buy price (i)
$88.78
Quarter-end price
$80.30

Estimated trade prices

Average price in quarters with purchases
$76.99
Average prices in quarters with sales
  • Q1 2026: $80.83 (74K shares sold)
  • Q4 2024: $88.94 (652K shares sold)
  • Q2 2024: $62.18 (230K shares sold)
  • Q4 2023: $55.27 (19K shares sold)
  • Q2 2023: $68.00 (103K shares sold)
  • Q4 2022: $52.11 (210K shares sold)

FTNT price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$40$100$150$20020222023202420252026Added 167K shares (398.6%) · Q3 2021. Average closing price $57.90 · Price range $48.47–$64.04167KsharespurchasedNew position of 89K shares · Q1 2022. Average closing price $62.17 · Price range $53.94–$69.5089KsharespurchasedAdded 135K shares (151.4%) · Q2 2022. Average closing price $59.39 · Price range $49.04–$69.34135KsharespurchasedAdded 62K shares (27.8%) · Q3 2022. Average closing price $54.17 · Price range $48.29–$62.8862KsharespurchasedSold 210K shares (73.3%) · Q4 2022. Average closing price $52.11 · Price range $45.93–$57.16210KsharessoldAdded 35K shares (45.9%) · Q1 2023. Average closing price $56.85 · Price range $47.45–$66.4635KsharespurchasedSold 103K shares (92.3%) · Q2 2023. Average closing price $68.00 · Price range $60.49–$75.59103KsharessoldSold 19K shares (37.5%) · Q4 2023. Average closing price $55.27 · Price range $49.52–$59.9319KsharessoldAdded 306K shares (982.0%) · Q1 2024. Average closing price $66.57 · Price range $57.78–$73.07306KsharespurchasedSold 230K shares (68.2%) · Q2 2024. Average closing price $62.18 · Price range $57.94–$71.32230KsharessoldAdded 736K shares (687.2%) · Q3 2024. Average closing price $68.31 · Price range $55.39–$77.55736KsharespurchasedSold 652K shares (77.3%) · Q4 2024. Average closing price $88.94 · Price range $76.49–$99.21652KsharessoldAdded 266K shares (139.0%) · Q1 2025. Average closing price $101.38 · Price range $92.49–$114.57266KsharespurchasedNew position of 1.0M shares · Q3 2025. Average closing price $89.25 · Price range $73.94–$107.651.0MsharespurchasedAdded 83K shares (8.1%) · Q4 2025. Average closing price $82.97 · Price range $77.91–$87.5283KsharespurchasedSold 74K shares (6.7%) · Q1 2026. Average closing price $80.83 · Price range $75.23–$87.8274Ksharessold← Earlier —1 purchase
Average closing price · filing quarter
$80.83
Price range · filing quarter
$75.23 – $87.82
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −74K −$6.0M −6.7% 1.0M May 15, 2026
Q4 2025 Added +83K +$6.9M +8.1% 1.1M Feb 17, 2026
Q3 2025 New +1.0M +$91M – 1.0M Nov 14, 2025
Q1 2025 Added +266K +$27M +139.0% 457K May 15, 2025
Q4 2024 Reduced −652K −$58M −77.3% 191K Feb 14, 2025
Q3 2024 Added +736K +$50M +687.2% 843K Nov 14, 2024
Q2 2024 Reduced −230K −$14M −68.2% 107K Aug 14, 2024
Q1 2024 Added +306K +$20M +982.0% 337K May 15, 2024
Q4 2023 Reduced −19K −$1.0M −37.5% 31K Feb 14, 2024
Q3 2023 First covered – – – 50K Nov 14, 2023
Q2 2023 Reduced −103K −$7.0M −92.3% 9K Aug 14, 2023
Q1 2023 Added +35K +$2.0M +45.9% 111K May 15, 2023
Q4 2022 Reduced −210K −$11M −73.3% 76K Feb 14, 2023
Q3 2022 Added +62K +$3.4M +27.8% 286K Nov 14, 2022
Q2 2022 Added +135K +$8.0M +151.4% 224K Aug 15, 2022
Q1 2022 New +89K +$5.5M – 89K May 16, 2022
Q3 2021 Added +167K +$9.7M +398.6% 209K Nov 15, 2021
Q2 2021 Added +25K +$1.1M +146.0% 42K Aug 16, 2021
Q1 2021 First covered – – – 17K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

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Common questions

Does Ken Griffin own FTNT?

Yes. As of Q1 2026, Ken Griffin disclosed 1.0M shares of FTNT, worth $83M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy FTNT?

Ken Griffin held FTNT 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 FTNT?

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

How many shares of FTNT does Ken Griffin own?

Ken Griffin disclosed 1.0M shares of FTNT 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 FTNT?

Ken Griffin's estimated average buy price for FTNT is $88.78, 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.