Save your place

Sign in to WhoBought

Please try again later.

Ken Griffin's ADT Inc. (ADT) position

Yes: as of Q1 2026, Ken Griffin holds 194K shares of ADT worth $1.3M (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
$1.3M
Shares held
194K
% of portfolio
0.0%
Est. average buy price (i)
$7.73
Quarter-end price
$6.57

Estimated trade prices

Average price in quarters with purchases
$7.55
Average prices in quarters with sales
  • Q4 2025: $8.31 (2.3M shares sold)
  • Q3 2025: $8.58 (14.1M shares sold)
  • Q2 2023: $6.26 (4K shares sold)
  • Q1 2023: $8.15 (111K shares sold)
  • Q3 2022: $7.54 (137K shares sold)
  • Q2 2022: $6.97 (119K shares sold)
  • Q4 2021: $8.52 (73K shares sold)
  • Q3 2021: $9.21 (31K shares sold)
  • Q2 2021: $10.05 (318K shares sold)

ADT price vs Griffin's position

Dates
$4$6$8$10$1220222023202420252026Sold 31K shares (9.9%) · Q3 2021. Average closing price $9.21 · Price range $7.91–$10.8931KsharessoldSold 73K shares (26.0%) · Q4 2021. Average closing price $8.52 · Price range $7.96–$10.0973KsharessoldAdded 149K shares (71.8%) · Q1 2022. Average closing price $7.61 · Price range $6.97–$8.64149KsharespurchasedSold 119K shares (33.4%) · Q2 2022. Average closing price $6.97 · Price range $6.15–$7.74119KsharessoldSold 137K shares (57.8%) · Q3 2022. Average closing price $7.54 · Price range $6.29–$8.66137KsharessoldAdded 23K shares (22.7%) · Q4 2022. Average closing price $8.89 · Price range $7.78–$9.8623KsharespurchasedSold 111K shares (90.2%) · Q1 2023. Average closing price $8.15 · Price range $6.94–$9.79111KsharessoldSold 4K shares (36.0%) · Q2 2023. Average closing price $6.26 · Price range $5.13–$7.164KsharessoldNew position of 151K shares · Q4 2023. Average closing price $6.23 · Price range $5.58–$6.88151KsharespurchasedAdded 7.5M shares (over 1,000%) · Q1 2024. Average closing price $6.64 · Price range $6.12–$7.477.5MsharespurchasedNew position of 129K shares · Q3 2024. Average closing price $7.34 · Price range $6.87–$7.90129KsharespurchasedAdded 757K shares (588.1%) · Q4 2024. Average closing price $7.28 · Price range $6.71–$8.14757KsharespurchasedAdded 4.2M shares (473.6%) · Q1 2025. Average closing price $7.55 · Price range $6.87–$8.234.2MsharespurchasedAdded 11.4M shares (223.7%) · Q2 2025. Average closing price $8.19 · Price range $7.54–$8.6011.4MsharespurchasedSold 14.1M shares (85.5%) · Q3 2025. Average closing price $8.58 · Price range $8.27–$8.8514.1MsharessoldSold 2.3M shares (96.2%) · Q4 2025. Average closing price $8.31 · Price range $7.80–$8.842.3MsharessoldAdded 103K shares (112.6%) · Q1 2026. Average closing price $7.51 · Price range $6.38–$8.28103Ksharespurchased← Earlier —1 sell
Average closing price · filing quarter
$7.51
Price range · filing quarter
$6.38 – $8.28

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +103K +$772K +112.6% 194K May 15, 2026
Q4 2025 Reduced −2.3M −$19M −96.2% 91K Feb 17, 2026
Q3 2025 Reduced −14.1M −$121M −85.5% 2.4M Nov 14, 2025
Q2 2025 Added +11.4M +$93M +223.7% 16.4M Aug 14, 2025
Q1 2025 Added +4.2M +$32M +473.6% 5.1M May 15, 2025
Q4 2024 Added +757K +$5.5M +588.1% 886K Feb 14, 2025
Q3 2024 New +129K +$944K 129K Nov 14, 2024
Q1 2024 Added +7.5M +$50M +4,988.7% 7.7M May 15, 2024
Q4 2023 New +151K +$941K 151K Feb 14, 2024
Q2 2023 Reduced −4K −$27K −36.0% 8K Aug 14, 2023
Q1 2023 Reduced −111K −$902K −90.2% 12K May 15, 2023
Q4 2022 Added +23K +$201K +22.7% 123K Feb 14, 2023
Q3 2022 Reduced −137K −$1.0M −57.8% 100K Nov 14, 2022
Q2 2022 Reduced −119K −$827K −33.4% 237K Aug 15, 2022
Q1 2022 Added +149K +$1.1M +71.8% 356K May 16, 2022
Q4 2021 Reduced −73K −$619K −26.0% 207K Feb 14, 2022
Q3 2021 Reduced −31K −$283K −9.9% 280K Nov 15, 2021
Q2 2021 Reduced −318K −$3.2M −50.6% 310K Aug 16, 2021
Q1 2021 First covered 628K May 21, 2021
Data through Q1 2026 · filed May 15, 2026
19 grouped rows from 19 quarters

More Griffin positions

Common questions

Does Ken Griffin own ADT?

Yes. As of Q1 2026, Ken Griffin disclosed 194K shares of ADT, worth $1.3M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy ADT?

Ken Griffin held ADT 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 ADT?

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

How many shares of ADT does Ken Griffin own?

Ken Griffin disclosed 194K shares of ADT 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 ADT?

Ken Griffin's estimated average buy price for ADT is $7.73, 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.