AMC Networks Inc. (AMCX) Institutional Ownership

Ownership Summary

A total of 159 institutions have reported a stake in AMC Networks Inc. (NASDAQ:AMCX) as of September 2025, according to recent 13F filings with the SEC.

• Institutional ownership in AMC Networks edged down to 76.1% in September 2025, compared to 103.5% in June 2025.
• Institutional share ownership changed by -28.45% QoQ, while the number of institutional owners saw a decrease of 18.46% YoY.
• During the quarter, 81 institutions bought more AMC Networks shares, 53 sold shares, and 25 of the 159 total investors held their position steady.
• Collectively, institutional investors decreased their stake in AMC Networks to 33.02Mn shares as of September 2025, a change that is down by 13.13Mn shares quarter on quarter and up 184.79K shares year over year.
• BlackRock, Inc.'s holding of 3.40Mn shares as of September 30, 2025 makes it the primary institutional investor in AMC Networks, owning 7.83% of the stock.
• Among the most significant buyers of AMC Networks during September 2025 were CHARLES SCHWAB INVESTMENT MANAGEMENT INC (627.02K), Polar Asset Management Partners Inc. (570.98K), Russell Investments Group, Ltd. (258.00K), ACADIAN ASSET MANAGEMENT LLC (215.47K), Allspring Global Investments Holdings, LLC (199.19K).
• Leading sellers of AMC Networks stock in September 2025 included DLD Asset Management, LP (13.71Mn), RWWM, Inc. (1.62Mn), CITADEL ADVISORS LLC (420.10K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (202.08K), Trexquant Investment LP (180.92K).
• The top 10 institutional holders of AMC Networks for the quarter ending September 2025 included BlackRock, Inc. (3.40Mn), VANGUARD GROUP INC (2.17Mn), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (1.78Mn), RWWM, Inc. (1.71Mn), JPMORGAN CHASE & CO (1.47Mn), MARSHALL WACE, LLP (1.46Mn), D. E. Shaw & Co., Inc. (1.36Mn), DIMENSIONAL FUND ADVISORS LP (1.35Mn), UBS Group AG (1.17Mn), AMERICAN CENTURY COMPANIES INC (1.10Mn).