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Ken Griffin's Qualys, Inc. (QLYS) position

Yes: as of Q1 2026, Ken Griffin holds 204K shares of QLYS worth $18M (0.0% 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
$18M
Shares held
204K
% of portfolio
0.0%
Est. average buy price (i)
$116.37
Quarter-end price
$86.36

Estimated trade prices

Average price in quarters with purchases
$134.16
Average prices in quarters with sales
  • Q4 2025: $137.54 (29K shares sold)
  • Q4 2024: $139.19 (101K shares sold)
  • Q2 2024: $152.28 (40K shares sold)
  • Q3 2023: $143.84 (443 shares sold)
  • Q1 2023: $117.19 (11K shares sold)
  • Q4 2022: $124.92 (34K shares sold)
  • Q3 2022: $140.93 (268K shares sold)
  • Q1 2022: $127.72 (7K shares sold)
  • Q3 2021: $109.53 (21K shares sold)

QLYS price vs Griffin's position

1Y 3Y 5Y MAX
Dates
$50$100$150$200$25020222023202420252026Sold 21K shares (30.7%) · Q3 2021. Average closing price $109.53 · Price range $98.68–$119.7621KsharessoldAdded 10K shares (21.3%) · Q4 2021. Average closing price $127.76 · Price range $108.43–$140.9810KsharespurchasedSold 7K shares (12.5%) · Q1 2022. Average closing price $127.72 · Price range $111.19–$143.937KsharessoldAdded 265K shares (536.1%) · Q2 2022. Average closing price $130.99 · Price range $112.45–$149.65265KsharespurchasedSold 268K shares (85.4%) · Q3 2022. Average closing price $140.93 · Price range $118.93–$160.02268KsharessoldSold 34K shares (74.4%) · Q4 2022. Average closing price $124.92 · Price range $109.40–$146.0334KsharessoldSold 11K shares (91.7%) · Q1 2023. Average closing price $117.19 · Price range $101.86–$130.0211KsharessoldAdded 25K shares (over 1,000%) · Q2 2023. Average closing price $123.00 · Price range $107.64–$131.6925KsharespurchasedSold 443 shares (1.7%) · Q3 2023. Average closing price $143.84 · Price range $124.26–$157.29443sharessoldAdded 6K shares (22.5%) · Q4 2023. Average closing price $174.91 · Price range $151.05–$205.896KsharespurchasedAdded 149K shares (480.2%) · Q1 2024. Average closing price $176.57 · Price range $159.47–$198.19149KsharespurchasedSold 40K shares (21.9%) · Q2 2024. Average closing price $152.28 · Price range $132.78–$172.1140KsharessoldAdded 63K shares (44.4%) · Q3 2024. Average closing price $132.00 · Price range $120.90–$149.1463KsharespurchasedSold 101K shares (49.6%) · Q4 2024. Average closing price $139.19 · Price range $119.24–$159.23101KsharessoldAdded 7K shares (7.3%) · Q1 2025. Average closing price $135.24 · Price range $121.57–$147.707KsharespurchasedNew position of 72K shares · Q3 2025. Average closing price $135.59 · Price range $128.46–$150.0772KsharespurchasedSold 29K shares (40.3%) · Q4 2025. Average closing price $137.54 · Price range $121.21–$153.8029KsharessoldAdded 160K shares (371.1%) · Q1 2026. Average closing price $111.19 · Price range $84.00–$135.89160Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$111.19
Price range · filing quarter
$84.00 – $135.89
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +160K +$18M +371.1% 204K May 15, 2026
Q4 2025 Reduced −29K −$4.0M −40.3% 43K Feb 17, 2026
Q3 2025 New +72K +$9.8M – 72K Nov 14, 2025
Q1 2025 Added +7K +$1.0M +7.3% 110K May 15, 2025
Q4 2024 Reduced −101K −$14M −49.6% 103K Feb 14, 2025
Q3 2024 Added +63K +$8.3M +44.4% 204K Nov 14, 2024
Q2 2024 Reduced −40K −$6.0M −21.9% 141K Aug 14, 2024
Q1 2024 Added +149K +$26M +480.2% 181K May 15, 2024
Q4 2023 Added +6K +$999K +22.5% 31K Feb 14, 2024
Q3 2023 Reduced −443 −$64K −1.7% 25K Nov 14, 2023
Q2 2023 Added +25K +$3.1M +2,545.8% 26K Aug 14, 2023
Q1 2023 Reduced −11K −$1.3M −91.7% 977 May 15, 2023
Q4 2022 Reduced −34K −$4.3M −74.4% 12K Feb 14, 2023
Q3 2022 Reduced −268K −$38M −85.4% 46K Nov 14, 2022
Q2 2022 Added +265K +$35M +536.1% 314K Aug 15, 2022
Q1 2022 Reduced −7K −$905K −12.5% 49K May 16, 2022
Q4 2021 Added +10K +$1.3M +21.3% 57K Feb 14, 2022
Q3 2021 Reduced −21K −$2.3M −30.7% 47K Nov 15, 2021
Q2 2021 Added +52K +$5.3M +342.2% 67K Aug 16, 2021
Q1 2021 First covered – – – 15K 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 QLYS?

Yes. As of Q1 2026, Ken Griffin disclosed 204K shares of QLYS, worth $18M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy QLYS?

Ken Griffin held QLYS 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 QLYS?

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

How many shares of QLYS does Ken Griffin own?

Ken Griffin disclosed 204K shares of QLYS 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 QLYS?

Ken Griffin's estimated average buy price for QLYS is $116.37, 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.