CMCSA Comcast Corporation

NASDAQ
$23.73

Comcast Corporation (CMCSA) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
+21.43
34 buyers / 22 sellers
BUYING
Funds compared
58
funds with comparable CMCSA positions
49 current holders · 44 prior-quarter holders
Net share change
+29.75M
+42.91M added, -13.17M cut
Position activity
14 new 20 increased 13 reduced 9 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
Carronade Capital Management Event New +8.30M — $203.7M 3.7% 86
Empyrean Capital Partners Event Sold Out -1.35M -100.0% $33.0M 0.0% 66
TWO SIGMA INVESTMENTS, LP Quant New +4.90M — $120.3M 0.1% 65
Junto Capital Management Long/Short New +1.67M — $41.0M 0.8% 65
Greenlight Capital Event Long/Short New +1.35M — $33.0M 0.9% 65
Sessa Capital Event Long/Short New +1.05M — $25.7M 0.5% 64
Long Focus Capital Management Long/Short Increased +1.54M +68.9% $37.9M 3.8% 63
Ilex Capital Partners Long/Short New +1.59M — $39.1M 0.8% 63
RENAISSANCE TECHNOLOGIES LLC Quant Sold Out -788.4K -100.0% $19.4M 0.0% 62
Capital Fund Management Quant Macro New +2.70M — $66.2M 0.5% 61

Most significant buyers

By move score, not size.

  • Carronade Capital Management New · +8.30M
  • TWO SIGMA INVESTMENTS, LP New · +4.90M
  • Junto Capital Management New · +1.67M
  • Greenlight Capital New · +1.35M
  • Sessa Capital New · +1.05M

Most significant sellers

By move score, not size.

  • Empyrean Capital Partners Sold Out · -1.35M
  • RENAISSANCE TECHNOLOGIES LLC Sold Out · -788.4K
  • Holocene Advisors, LP Sold Out · -1.05M
  • Voloridge Investment Management Sold Out · -1.63M
  • Alyeska Investment Group, L.P. Sold Out · -147.4K

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
Carronade Capital Management 1 8.3M 0 +8.30M — 3.7% New 86
Empyrean Capital Partners 2 0 1.3M -1.35M -100.0% 0.0% Sold Out 66
TWO SIGMA INVESTMENTS, LP 2 4.9M 0 +4.90M — 0.1% New 65
Junto Capital Management 2 1.7M 0 +1.67M — 0.8% New 65
Greenlight Capital 2 1.3M 0 +1.35M — 0.9% New 65
Sessa Capital 2 1.0M 0 +1.05M — 0.5% New 64
Long Focus Capital Management 2 3.8M 2.2M +1.54M +68.9% 3.8% Increased 63
Ilex Capital Partners 2 1.6M 0 +1.59M — 0.8% New 63
RENAISSANCE TECHNOLOGIES LLC 1 0 788.4K -788.4K -100.0% 0.0% Sold Out 62
Capital Fund Management 3 2.7M 0 +2.70M — 0.5% New 61
Holocene Advisors, LP 2 0 1.0M -1.05M -100.0% 0.0% Sold Out 60
Point72 Asset Management, L.P. 1 2.7M 8.0K +2.67M +33385.4% 0.1% Increased 60
Voloridge Investment Management 2 0 1.6M -1.63M -100.0% 0.0% Sold Out 58
CITADEL ADVISORS LLC 1 5.2M 1.9M +3.35M +177.0% 0.1% Increased 58
Alyeska Investment Group, L.P. 2 0 147.4K -147.4K -100.0% 0.0% Sold Out 58
WORLDQUANT MILLENNIUM ADVISORS LLC 2 406.8K 0 +406.8K — 0.0% New 58
Davidson Kempner Capital Management 2 2.2M 1.2M +1.04M +90.0% 1.3% Increased 58
Sona Asset Management 3 400.0K 0 +400.0K — 0.7% New 58
Jain Global 3 509.0K 0 +509.0K — 0.2% New 57
Schonfeld Strategic Advisors 3 1.9M 0 +1.88M — 0.3% New 56
Balyasny Asset Management L.P. 2 1.7M 53.6K +1.61M +3007.3% 0.1% Increased 56
Capula Management 2 0 16.4K -16.4K -100.0% 0.0% Sold Out 56
Man Group 3 7.3M 2.6M +4.67M +177.8% 0.3% Increased 56
Trexquant Investment 3 0 656.3K -656.3K -100.0% 0.0% Sold Out 55
Weiss Asset Management 2 12.9K 0 +12.9K — 0.0% New 54
Edgestream Partners 4 0 325.2K -325.2K -100.0% 0.0% Sold Out 52
Woodline Partners LP 2 779.1K 155.9K +623.2K +399.7% 0.1% Increased 52
MARSHALL WACE, LLP 2 41.0K 62 +40.9K +65998.4% 0.0% Increased 52
Graham Capital Management 3 0 50.3K -50.3K -100.0% 0.0% Sold Out 52
Centiva Capital 4 136.6K 0 +136.6K — 0.2% New 51
Magnetar Capital 2 90.3K 15.3K +74.9K +489.7% 0.0% Increased 51
Verition Fund Management 2 453.9K 174.7K +279.2K +159.8% 0.1% Increased 50
Parallax Volatility Advisers 3 90 0 +90 — 0.0% New 50
LMR Partners 3 544.5K 155.3K +389.2K +250.6% 0.2% Increased 49
Capstone Investment Advisors 3 213.6K 103.4K +110.2K +106.6% 0.1% Increased 49
Readystate Asset Management 3 354.1K 73.7K +280.4K +380.4% 0.6% Increased 48
Quinn Opportunity Partners 4 3.3M 2.8M +490.0K +17.7% 3.8% Increased 47
Caxton Associates 3 229.9K 120.4K +109.6K +91.0% 0.1% Increased 47
Brevan Howard Capital Management 3 128.4K 942.4K -813.9K -86.4% 0.1% Reduced 46
Walleye Capital 3 2.1K 78 +2.0K +2530.8% 0.0% Increased 45
Engineers Gate 4 67.2K 10.2K +57.0K +561.0% 0.0% Increased 44
Tudor Investment Corporation 2 344.8K 962.2K -617.5K -64.2% 0.0% Reduced 43
MILLENNIUM MANAGEMENT LLC 2 1.9M 1.3M +556.1K +41.3% 0.0% Increased 41
Bridgewater Associates 1 920.4K 1.2M -272.3K -22.8% 0.1% Reduced 39
AQR Capital Management 3 7.4M 12.3M -4.94M -40.2% 0.1% Reduced 38
HBK Investments 1 937.0K 1.1M -130.0K -12.2% 0.3% Reduced 36
Quantbot Technologies 4 128.8K 262.2K -133.4K -50.9% 0.1% Reduced 30
Boothbay Fund Management 4 385.6K 282.3K +103.3K +36.6% 0.2% Increased 30
SRS Investment Management 1 984.3K 973.0K +11.3K +1.2% 0.2% Increased 29
ADAGE CAPITAL PARTNERS GP, L.L.C. 2 2.8M 2.9M -139.3K -4.8% 0.1% Reduced 28
D. E. Shaw & Co., Inc. 1 317.6K 331.6K -14.0K -4.2% 0.0% Reduced 28
CenterBook Partners 4 27.2K 44.6K -17.4K -39.0% 0.0% Reduced 28
Y-Intercept 4 71.2K 106.2K -35.0K -32.9% 0.0% Reduced 26
Squarepoint Ops LLC 2 169.9K 184.6K -14.7K -8.0% 0.0% Reduced 26
Gotham Asset Management, LLC 2 658.1K 686.1K -28.0K -4.1% 0.0% Reduced 25
Voleon Capital Management 3 52.2K 55.7K -3.6K -6.4% 0.0% Reduced 22
Brave Warrior Advisors 2 31.1K 31.1K 0 +0.0% 0.0% Unchanged 21
CastleKnight Management 3 21.6K 21.6K 0 +0.0% 0.0% Unchanged 14

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.