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Ken Griffin's AMC Networks Inc. (AMCX) position

Yes: as of Q1 2026, Ken Griffin holds 149K shares of AMCX worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was increased by 73.2%. First disclosed Q2 2021.
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Current value
an amount we cannot price
Shares held
149K
% 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.

AMCX price vs Griffin's position

Dates
$9.5$10$10.5$11← Earlier —12 purchases, 8 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +63K +73.2% 149K May 15, 2026
Q4 2025 Added +73K +559.2% 86K Feb 17, 2026
Q3 2025 Reduced −41K −75.8% 13K Nov 14, 2025
Q2 2025 Reduced −379K −87.6% 54K Aug 14, 2025
Q1 2025 Added +154K +55.1% 433K May 15, 2025
Q4 2024 Reduced −1.5M −84.5% 279K Feb 14, 2025
Q3 2024 Added +1.4M +301.6% 1.8M Nov 14, 2024
Q2 2024 Added +112K +33.3% 450K Aug 14, 2024
Q1 2024 Added +270K +401.7% 338K May 15, 2024
Q4 2023 Reduced −169K −71.5% 67K Feb 14, 2024
Q3 2023 Reduced −319K −57.5% 236K Nov 14, 2023
Q2 2023 Added +87K +18.6% 555K Aug 14, 2023
Q1 2023 Added +169K +56.3% 468K May 15, 2023
Q4 2022 Reduced −175K −37.0% 299K Feb 14, 2023
Q3 2022 Added +208K +77.9% 475K Nov 14, 2022
Q2 2022 Reduced −313K −54.0% 267K Aug 15, 2022
Q1 2022 Added +317K +120.9% 580K May 16, 2022
Q4 2021 Added +187K +246.2% 263K Feb 14, 2022
Q3 2021 Reduced −49K −39.4% 76K Nov 15, 2021
Q2 2021 New +125K 125K Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
20 grouped rows from 20 quarters

More Griffin positions

Common questions

Does Ken Griffin own AMCX?

Yes. As of Q1 2026, Ken Griffin disclosed 149K shares of AMCX, 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 AMCX?

Ken Griffin first disclosed a AMCX position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell AMCX?

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

How many shares of AMCX does Ken Griffin own?

Ken Griffin disclosed 149K shares of AMCX 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 AMCX?

Ken Griffin began building the AMCX 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.