Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's QuinStreet, Inc. (QNST) position

Yes: as of Q1 2026, Ken Griffin holds 208K shares of QNST worth $2.5M (0.0% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
View full portfolio →
Current value
$2.5M
Shares held
208K
% of portfolio
0.0%
Est. average buy price (i)
$15.73
est. since Q1 2022
Quarter-end price
$12.01

Estimated trade prices

Average price in quarters with purchases
$14.88
Average prices in quarters with sales
  • Q4 2025: $14.42 (18K shares sold)
  • Q3 2025: $15.88 (278K shares sold)
  • Q2 2024: $17.33 (51K shares sold)
  • Q1 2024: $14.24 (57K shares sold)
  • Q4 2023: $11.26 (55K shares sold)
  • Q4 2022: $12.69 (42K shares sold)
  • Q3 2022: $11.38 (42K shares sold)
  • Q2 2022: $10.51 (2K shares sold)
  • Q2 2021: $18.97 (120K shares sold)

QNST price vs Griffin's position

Dates
$5$10$15$20$25202420252026Added 163K shares (117.8%) · Q3 2023. Average closing price $9.26 · Price range $8.43–$10.56163KsharespurchasedSold 55K shares (18.3%) · Q4 2023. Average closing price $11.26 · Price range $8.71–$13.3955KsharessoldSold 57K shares (23.1%) · Q1 2024. Average closing price $14.24 · Price range $11.65–$17.6657KsharessoldSold 51K shares (26.8%) · Q2 2024. Average closing price $17.33 · Price range $15.34–$19.4351KsharessoldAdded 83K shares (59.7%) · Q3 2024. Average closing price $18.22 · Price range $15.41–$20.1783KsharespurchasedAdded 43K shares (19.4%) · Q4 2024. Average closing price $21.05 · Price range $18.29–$24.7043KsharespurchasedAdded 60K shares (22.8%) · Q1 2025. Average closing price $20.96 · Price range $17.00–$25.1760KsharespurchasedAdded 171K shares (52.7%) · Q2 2025. Average closing price $16.04 · Price range $14.71–$18.96171KsharespurchasedSold 278K shares (56.1%) · Q3 2025. Average closing price $15.88 · Price range $14.51–$17.12278KsharessoldSold 18K shares (8.3%) · Q4 2025. Average closing price $14.42 · Price range $13.05–$15.4618KsharessoldAdded 9K shares (4.4%) · Q1 2026. Average closing price $12.68 · Price range $10.56–$15.339Ksharespurchased← Earlier —4 purchases, 4 sells
Average closing price · filing quarter
$12.68
Price range · filing quarter
$10.56 – $15.33

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +9K +$110K +4.4% 208K May 15, 2026
Q4 2025 Reduced −18K −$259K −8.3% 199K Feb 17, 2026
Q3 2025 Reduced −278K −$4.4M −56.1% 217K Nov 14, 2025
Q2 2025 Added +171K +$2.7M +52.7% 495K Aug 14, 2025
Q1 2025 Added +60K +$1.3M +22.8% 324K May 15, 2025
Q4 2024 Added +43K +$902K +19.4% 264K Feb 14, 2025
Q3 2024 Added +83K +$1.5M +59.7% 221K Nov 14, 2024
Q2 2024 Reduced −51K −$878K −26.8% 138K Aug 14, 2024
Q1 2024 Reduced −57K −$807K −23.1% 189K May 15, 2024
Q4 2023 Reduced −55K −$622K −18.3% 246K Feb 14, 2024
Q3 2023 Added +163K +$1.5M +117.8% 301K Nov 14, 2023
Q2 2023 Added +84K +$847K +155.3% 138K Aug 14, 2023
Q1 2023 Added +22K +$351K +69.6% 54K May 15, 2023
Q4 2022 Reduced −42K −$534K −56.9% 32K Feb 14, 2023
Q3 2022 Reduced −42K −$477K −36.2% 74K Nov 14, 2022
Q2 2022 Reduced −2K −$26K −2.1% 116K Aug 15, 2022
Q1 2022 First covered 118K May 16, 2022
Q4 2021 Added +120K +$2.0M +135.4% 209K Feb 14, 2022
Q3 2021 Added +3K +$59K +3.8% 89K Nov 15, 2021
Q2 2021 Reduced −120K −$2.3M −58.3% 85K Aug 16, 2021
Q1 2021 First covered 205K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
21 grouped rows from 21 quarters

More Griffin positions

Common questions

Does Ken Griffin own QNST?

Yes. As of Q1 2026, Ken Griffin disclosed 208K shares of QNST, worth $2.5M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy QNST?

Ken Griffin held QNST 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 QNST?

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

How many shares of QNST does Ken Griffin own?

Ken Griffin disclosed 208K shares of QNST 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 QNST?

Ken Griffin began building the QNST 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.