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Jim Simons's Comcast Corporation (CMCSA) position

Yes: as of Q1 2026, Jim Simons holds 788K shares of CMCSA worth $22M (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
$22M
Shares held
788K
% of portfolio
0.0%
Est. average buy price (i)
$33.67
Quarter-end price
$28.48

Estimated trade prices

Average price in quarters with purchases
$39.30
Average prices in quarters with sales
  • Q1 2026: $29.96 (5.8M shares sold)
  • Q4 2025: $28.53 (404K shares sold)

CMCSA price vs Simons's position

1Y 3Y 5Y MAX
Dates
$20$40$60$8020222023202420252026New position of 748K shares · Q4 2021. Average closing price $52.12 · Price range $47.71–$57.40748KsharespurchasedAdded 4.0M shares (535.8%) · Q1 2022. Average closing price $48.16 · Price range $44.97–$51.684.0MsharespurchasedNew position of 6.2M shares · Q3 2022. Average closing price $37.39 · Price range $29.33–$43.376.2MsharespurchasedNew position of 1.5M shares · Q1 2024. Average closing price $43.14 · Price range $41.24–$46.731.5MsharespurchasedNew position of 911K shares · Q2 2025. Average closing price $34.59 · Price range $32.84–$36.72911KsharespurchasedAdded 6.1M shares (664.1%) · Q3 2025. Average closing price $33.53 · Price range $31.41–$36.336.1MsharespurchasedSold 404K shares (5.8%) · Q4 2025. Average closing price $28.53 · Price range $26.46–$31.07404KsharessoldSold 5.8M shares (88.0%) · Q1 2026. Average closing price $29.96 · Price range $27.59–$32.585.8Msharessold
Average closing price · filing quarter
$29.96
Price range · filing quarter
$27.59 – $32.58
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −5.8M −$173M −88.0% 788K May 14, 2026
Q4 2025 Reduced −404K −$12M −5.8% 6.6M Feb 12, 2026
Q3 2025 Added +6.1M +$203M +664.1% 7.0M Nov 13, 2025
Q2 2025 New +911K +$32M – 911K Aug 13, 2025
Q1 2024 New +1.5M +$67M – 1.5M May 13, 2024
Q3 2022 New +6.2M +$232M – 6.2M Nov 14, 2022
Q1 2022 Added +4.0M +$193M +535.8% 4.8M May 13, 2022
Q4 2021 New +748K +$39M – 748K Feb 11, 2022
Q1 2021 First covered – – – 606K May 13, 2021
Data through Q1 2026 · filed May 14, 2026
9 grouped rows from 9 quarters

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Common questions

Does Jim Simons own CMCSA?

Yes. As of Q1 2026, Jim Simons disclosed 788K shares of CMCSA, worth $22M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy CMCSA?

Jim Simons held CMCSA 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 Jim Simons sell CMCSA?

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

How many shares of CMCSA does Jim Simons own?

Jim Simons disclosed 788K shares of CMCSA as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for CMCSA?

Jim Simons's estimated average buy price for CMCSA is $33.67, 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.