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Ken Griffin's Aktis Oncology, Inc. (AKTS) position

Yes: as of Q1 2026, Ken Griffin holds 75K shares of AKTS worth an amount we cannot price (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
an amount we cannot price
Shares held
75K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

AKTS price vs Griffin's position

1Y 3Y 5Y MAX
Dates
← Earlier —8 purchases, 7 sells202530
Average closing price · filing quarter
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Price range · filing quarter
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Every quarterly change

Every quarterly change
Quarter Action Shares change Est. value change Δ Own Shares held Filing date
New· Q1 2026 +75K
Quarter Q1 2026 Shares held 75K Filing date May 15, 2026
Q1 2026 New· Q1 2026 +75K – – 75K May 15, 2026
Added· Q3 2024 +2.1M
Quarter Q3 2024 Δ Own +6,063.1% Shares held 2.1M Filing date Nov 14, 2024
Q3 2024 Added· Q3 2024 +2.1M – +6,063.1% 2.1M Nov 14, 2024
Added· Q2 2024 +4K
Quarter Q2 2024 Δ Own +13.1% Shares held 34K Filing date Aug 14, 2024
Q2 2024 Added· Q2 2024 +4K – +13.1% 34K Aug 14, 2024
Reduced· Q1 2024 −6K
Quarter Q1 2024 Δ Own −17.3% Shares held 30K Filing date May 15, 2024
Q1 2024 Reduced· Q1 2024 −6K – −17.3% 30K May 15, 2024
Added· Q4 2023 +2K
Quarter Q4 2023 Δ Own +5.9% Shares held 36K Filing date Feb 14, 2024
Q4 2023 Added· Q4 2023 +2K – +5.9% 36K Feb 14, 2024
Reduced· Q3 2023 −279K
Quarter Q3 2023 Δ Own −89.0% Shares held 34K Filing date Nov 14, 2023
Q3 2023 Reduced· Q3 2023 −279K – −89.0% 34K Nov 14, 2023
Added· Q2 2023 +60K
Quarter Q2 2023 Δ Own +23.9% Shares held 313K Filing date Aug 14, 2023
Q2 2023 Added· Q2 2023 +60K – +23.9% 313K Aug 14, 2023
Added· Q1 2023 +188K
Quarter Q1 2023 Δ Own +288.9% Shares held 253K Filing date May 15, 2023
Q1 2023 Added· Q1 2023 +188K – +288.9% 253K May 15, 2023
Added· Q4 2022 +48K
Quarter Q4 2022 Δ Own +272.8% Shares held 65K Filing date Feb 14, 2023
Q4 2022 Added· Q4 2022 +48K – +272.8% 65K Feb 14, 2023
Reduced· Q3 2022 −29K
Quarter Q3 2022 Δ Own −62.2% Shares held 17K Filing date Nov 14, 2022
Q3 2022 Reduced· Q3 2022 −29K – −62.2% 17K Nov 14, 2022
Reduced· Q2 2022 −10K
Quarter Q2 2022 Δ Own −17.9% Shares held 46K Filing date Aug 15, 2022
Q2 2022 Reduced· Q2 2022 −10K – −17.9% 46K Aug 15, 2022
Reduced· Q1 2022 −57K
Quarter Q1 2022 Δ Own −50.2% Shares held 56K Filing date May 16, 2022
Q1 2022 Reduced· Q1 2022 −57K – −50.2% 56K May 16, 2022
Reduced· Q4 2021 −23K
Quarter Q4 2021 Δ Own −17.1% Shares held 113K Filing date Feb 14, 2022
Q4 2021 Reduced· Q4 2021 −23K – −17.1% 113K Feb 14, 2022
Added· Q3 2021 +17K
Quarter Q3 2021 Δ Own +14.4% Shares held 136K Filing date Nov 15, 2021
Q3 2021 Added· Q3 2021 +17K – +14.4% 136K Nov 15, 2021
Reduced· Q2 2021 −66K
Quarter Q2 2021 Δ Own −35.7% Shares held 119K Filing date Aug 16, 2021
Q2 2021 Reduced· Q2 2021 −66K – −35.7% 119K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
15 of 16

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Common questions

Does Ken Griffin own AKTS?

Yes. As of Q1 2026, Ken Griffin disclosed 75K shares of AKTS, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy AKTS?

Ken Griffin held AKTS 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 AKTS?

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

How many shares of AKTS does Ken Griffin own?

Ken Griffin disclosed 75K shares of AKTS 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 AKTS?

Ken Griffin began building the AKTS 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.