Renaissance Technologies's CMCSA Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 6.56 M shares of Comcast Corporation (CMCSA) worth $196.1 M, representing 0.30% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 33 quarters.
Based on 13F filings, Renaissance Technologies has maintained a strategic position in CMCSA, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2018, adding 7.35 M shares. Largest reduction occurred in Q3 2018, reducing 7.07 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Comcast Corporation (CMCSA) Holding Value Over Time
Track share changes against reported price movement
Quarterly Comcast Corporation (CMCSA) Trades by Renaissance Technologies
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -403,800 | Reduce 5.80% | 6.56 M | $29.89 |
| Q3 2025 | +6.05 M | Add 664.10% | 6.96 M | $31.42 |
| Q2 2025 | +911,453 | New Buy | 911,453 | $35.69 |
| Q2 2024 | -1.55 M | Sold Out | 0 | $0.00 |
| Q1 2024 | +1.55 M | New Buy | 1.55 M | $43.35 |
| Q4 2022 | -6.21 M | Sold Out | 0 | $0.00 |
| Q3 2022 | +6.21 M | New Buy | 6.21 M | $29.33 |
| Q2 2022 | -4.75 M | Sold Out | 0 | $0.00 |
| Q1 2022 | +4.01 M | Add 535.80% | 4.75 M | $46.82 |
| Q4 2021 | +747,876 | New Buy | 747,876 | $50.33 |
| Q2 2021 | -605,676 | Sold Out | 0 | $0.00 |
| Q1 2021 | +605,676 | New Buy | 605,676 | $54.11 |
| Q3 2019 | -4.9 M | Sold Out | 0 | $0.00 |
| Q2 2019 | +4.9 M | New Buy | 4.9 M | $42.28 |
| Q4 2018 | -19,056 | Sold Out | 0 | $0.00 |
| Q3 2018 | -7.07 M | Reduce 99.73% | 19,056 | $35.42 |
| Q2 2018 | -268,000 | Reduce 3.64% | 7.08 M | $32.81 |
| Q1 2018 | +7.35 M | New Buy | 7.35 M | $34.17 |
| Q3 2017 | -220,576 | Sold Out | 0 | $0.00 |
| Q2 2017 | -6.67 M | Reduce 96.80% | 220,576 | $38.92 |
| Q1 2017 | +4.05 M | Add 142.31% | 6.89 M | $37.59 |
| Q4 2016 | +2.49 M | Add 693.12% | 2.84 M | $34.52 |
| Q3 2016 | -1.3 M | Reduce 78.32% | 358,676 | $33.17 |
| Q2 2016 | +1.65 M | New Buy | 1.65 M | $32.60 |
| Q1 2016 | -6.35 M | Sold Out | 0 | $0.00 |
| Q4 2015 | +6.35 M | New Buy | 6.35 M | $28.21 |
| Q1 2015 | -824,198 | Sold Out | 0 | $0.00 |
| Q4 2014 | +501,200 | Add 155.17% | 824,198 | $29.01 |
| Q3 2014 | -2.74 M | Reduce 89.45% | 322,998 | $26.89 |
| Q2 2014 | -2.21 M | Reduce 41.97% | 3.06 M | $26.84 |
| Q1 2014 | +5.27 M | New Buy | 5.27 M | $25.02 |
| Q3 2013 | -3.9 M | Sold Out | 0 | $0.00 |
| Q2 2013 | +3.9 M | Add 0.00% | 3.9 M | $20.87 |
Renaissance Technologies's Comcast Corporation Investment FAQs
Renaissance Technologies first purchased Comcast Corporation (CMCSA) in Q2 2013, acquiring 3,902,998 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies has held Comcast Corporation (CMCSA) for 33 quarters since Q2 2013.
Renaissance Technologies's largest addition to Comcast Corporation (CMCSA) was in Q1 2018, adding 7,352,976 shares worth $251.25 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 6,560,576 shares of Comcast Corporation (CMCSA), valued at approximately $196.1 M.
As of the Q4 2025 filing, Comcast Corporation (CMCSA) represents approximately 0.30% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies's peak holding in Comcast Corporation (CMCSA) was 7,352,976 shares, as reported at the end of Q1 2018.