Renaissance Technologies's CMCSA Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 6.96 M shares of Comcast Corporation (CMCSA) worth $218.82 M, representing 0.29% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in CMCSA, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2018, adding 7.13 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
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +3.9 M | Add 0.00% | 3.9 M | $20.87 |
| Q3 2013 | -3.9 M | Sold Out | 3.9 M | $0.00 |
| Q1 2014 | +5.27 M | New Buy | 5.27 M | $25.02 |
| Q2 2014 | -2.21 M | Reduce 41.97% | 3.06 M | $26.84 |
| Q3 2014 | -2.74 M | Reduce 89.45% | 322,998 | $26.89 |
| Q4 2014 | +501,200 | Add 155.17% | 824,198 | $29.01 |
| Q1 2015 | -824,198 | Sold Out | 824,198 | $0.00 |
| Q4 2015 | +6.35 M | New Buy | 6.35 M | $28.21 |
| Q1 2016 | -6.35 M | Sold Out | 6.35 M | $0.00 |
| Q2 2016 | +1.65 M | New Buy | 1.65 M | $32.60 |
| Q3 2016 | -1.3 M | Reduce 78.32% | 358,676 | $33.17 |
| Q4 2016 | +2.49 M | Add 693.12% | 2.84 M | $34.52 |
| Q1 2017 | +4.05 M | Add 142.31% | 6.89 M | $37.59 |
| Q2 2017 | -6.67 M | Reduce 96.80% | 220,576 | $38.92 |
| Q3 2017 | -220,576 | Sold Out | 220,576 | $0.00 |
| Q1 2018 | +7.35 M | New Buy | 7.35 M | $34.17 |
| Q2 2018 | -268,000 | Reduce 3.64% | 7.08 M | $32.81 |
| Q3 2018 | -7.07 M | Reduce 99.73% | 19,056 | $35.42 |
| Q4 2018 | -19,056 | Sold Out | 19,056 | $0.00 |
| Q2 2019 | +4.9 M | New Buy | 4.9 M | $42.28 |
| Q3 2019 | -4.9 M | Sold Out | 4.9 M | $0.00 |
| Q1 2021 | +605,676 | New Buy | 605,676 | $54.11 |
| Q2 2021 | -605,676 | Sold Out | 605,676 | $0.00 |
| Q4 2021 | +747,876 | New Buy | 747,876 | $50.33 |
| Q1 2022 | +4.01 M | Add 535.80% | 4.75 M | $46.82 |
| Q2 2022 | -4.75 M | Sold Out | 4.75 M | $0.00 |
| Q3 2022 | +6.21 M | New Buy | 6.21 M | $29.33 |
| Q4 2022 | -6.21 M | Sold Out | 6.21 M | $0.00 |
| Q1 2024 | +1.55 M | New Buy | 1.55 M | $43.35 |
| Q2 2024 | -1.55 M | Sold Out | 1.55 M | $0.00 |
| Q2 2025 | +911,453 | New Buy | 911,453 | $35.69 |
| Q3 2025 | +6.05 M | Add 664.10% | 6.96 M | $31.42 |
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 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to Comcast Corporation (CMCSA) was in Q1 2018, adding 7,352,976 shares worth $251.25 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 6,964,376 shares of Comcast Corporation (CMCSA), valued at approximately $218.82 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Comcast Corporation (CMCSA) represents approximately 0.29% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in Comcast Corporation (CMCSA) was 7,352,976 shares, as reported at the end of Q1 2018. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.