AMC NETWORKS INC-A (AMCX) Top Institutional Shareholders
AMC NETWORKS INC-A (AMCX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $202.49M in AMCX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AMCX tracked by InsiderSet, reporting ownership valued at approximately $22.92M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $31.39M, representing an estimated gain of +36.97% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 52% of the total disclosed AMCX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Charles Schwab Investment Management Inc, Rwwm, Inc., and several other long-term asset managers with concentrated positions in AMC NETWORKS INC-A (AMCX).
This page ranks the largest institutional AMCX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
177
Total Reported Value
$202.49M
Largest Holder
Blackrock, Inc.
Largest Position
$22.92M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
173
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 3,375,492 | $22,919,592 | $31,392,076 | +$8,472,484 | +36.97% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,950,721 | $13,245,396 | $18,141,705 | +$4,896,309 | +36.97% | |
| Rwwm, Inc. | 0.75% | 1,522,968 | $10,340,953 | $14,163,602 | +$3,822,649 | +36.97% | |
| American Century Companies Inc | 0.01% | 1,441,040 | $9,784,662 | $13,401,672 | +$3,617,010 | +36.97% | |
| Allspring Global Investments Holdings, Llc | 0.02% | 1,346,142 | $9,422,994 | $12,519,121 | +$3,096,127 | +32.86% | |
| Vanguard Capital Management Llc | 0.00% | 1,337,548 | $9,081,951 | $12,439,196 | +$3,357,245 | +36.97% | |
| Marshall Wace, Llp | 0.01% | 1,189,778 | $8,078,592 | $11,064,935 | +$2,986,343 | +36.97% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,141,667 | $7,751,725 | $10,617,503 | +$2,865,778 | +36.97% | |
| Castleknight Management Lp | 0.35% | 1,109,416 | $7,532,935 | $10,317,569 | +$2,784,634 | +36.97% | |
| Geode Capital Management, Llc | 0.00% | 1,033,502 | $7,019,092 | $9,611,569 | +$2,592,477 | +36.93% | |
| Ubs Group Ag | 0.00% | 886,003 | $6,015,960 | $8,239,828 | +$2,223,868 | +36.97% | |
| D. E. Shaw & Co., Inc. | 0.00% | 870,634 | $5,911,604 | $8,096,896 | +$2,185,292 | +36.97% | |
| Two Sigma Investments, Lp | 0.00% | 842,348 | $5,719,543 | $7,833,836 | +$2,114,293 | +36.97% | |
| Aqr Capital Management Llc | 0.00% | 791,725 | $5,375,814 | $7,363,043 | +$1,987,229 | +36.97% | |
| Dana Investment Advisors, Inc. | 0.16% | 790,408 | $5,366,870 | $7,350,794 | +$1,983,924 | +36.97% | |
| State Street Corp | 0.00% | 754,571 | $5,123,537 | $7,017,510 | +$1,893,973 | +36.97% | |
| Bridgeway Capital Management, Llc | 0.09% | 636,000 | $4,318,440 | $5,914,800 | +$1,596,360 | +36.97% | |
| Gamco Investors, Inc. Et Al | 0.04% | 552,182 | $3,749,316 | $5,135,293 | +$1,385,977 | +36.97% | |
| Barclays Plc | 0.00% | 507,707 | $3,447,331 | $4,721,675 | +$1,274,344 | +36.97% | |
| Morgan Stanley | 0.00% | 399,137 | $2,710,143 | $3,711,974 | +$1,001,831 | +36.97% | |
| Vanguard Portfolio Management Llc | 0.00% | 395,885 | $2,688,059 | $3,681,731 | +$993,672 | +36.97% | |
| Prudential Financial Inc | 0.00% | 369,227 | $2,507,051 | $3,433,811 | +$926,760 | +36.97% | |
| Goldman Sachs Group Inc | 0.00% | 315,328 | $2,141,077 | $2,932,550 | +$791,473 | +36.97% | |
| Allianz Asset Management Gmbh | 0.00% | 286,195 | $1,943,264 | $2,661,614 | +$718,350 | +36.97% | |
| Russell Investments Group, Ltd. | 0.00% | 269,608 | $1,830,637 | $2,507,354 | +$676,717 | +36.97% | |
| Northern Trust Corp | 0.00% | 264,326 | $1,794,773 | $2,458,232 | +$663,459 | +36.97% | |
| Vanguard Global Advisers, Llc | 0.00% | 259,794 | $1,764,001 | $2,416,084 | +$652,083 | +36.97% | |
| Empowered Funds, Llc | 0.01% | 252,355 | $1,713,491 | $2,346,902 | +$633,411 | +36.97% | |
| Quinn Opportunity Partners Llc | 0.08% | 226,051 | $1,534,886 | $2,102,274 | +$567,388 | +36.97% | |
| Denali Advisors Llc | 0.17% | 219,400 | $1,489,726 | $2,040,420 | +$550,694 | +36.97% | |
| Vanguard Fiduciary Trust Co | 0.00% | 201,616 | $1,368,973 | $1,875,029 | +$506,056 | +36.97% | |
| Envestnet Asset Management Inc | 0.00% | 184,592 | $1,253,381 | $1,716,706 | +$463,325 | +36.97% | |
| Trexquant Investment Lp | 0.01% | 157,719 | $1,070,912 | $1,466,787 | +$395,875 | +36.97% | |
| Citadel Advisors Llc | 0.00% | 148,644 | $1,009,292 | $1,382,389 | +$373,097 | +36.97% | |
| Bank Of New York Mellon Corp | 0.00% | 144,015 | $977,859 | $1,339,340 | +$361,481 | +36.97% | |
| Martingale Asset Management L P | 0.02% | 137,662 | $934,725 | $1,280,257 | +$345,532 | +36.97% | |
| Point72 Asset Management, L.P. | 0.00% | 135,000 | $916,650 | $1,255,500 | +$338,850 | +36.97% | |
| Squarepoint Ops Llc | 0.00% | 133,867 | $908,957 | $1,244,963 | +$336,006 | +36.97% | |
| Gabelli Funds Llc | 0.01% | 127,500 | $865,725 | $1,185,750 | +$320,025 | +36.97% | |
| Eversource Wealth Advisors, Llc | 0.02% | 6,467 | $733,032 | $60,143 | -$672,889 | -91.80% | |
| Segall Bryant & Hamill, Llc | 0.01% | 94,730 | $722,790 | $880,989 | +$158,199 | +21.89% | |
| Susquehanna Portfolio Strategies, Llc | 0.01% | 101,264 | $687,583 | $941,755 | +$254,172 | +36.97% | |
| Invesco Ltd. | 0.00% | 97,854 | $664,429 | $910,042 | +$245,613 | +36.97% | |
| Jacobs Levy Equity Management, Inc | 0.00% | 97,658 | $663,098 | $908,219 | +$245,121 | +36.97% | |
| New York State Common Retirement Fund | 0.00% | 93,461 | $634,600 | $869,187 | +$234,587 | +36.97% | |
| Rhumbline Advisers | 0.00% | 85,634 | $581,446 | $796,396 | +$214,950 | +36.97% | |
| Man Group Plc | 0.00% | 81,721 | $554,886 | $760,005 | +$205,119 | +36.97% | |
| Panagora Asset Management Inc | 0.00% | 81,577 | $553,908 | $758,666 | +$204,758 | +36.97% | |
| Principal Financial Group Inc | 0.00% | 80,732 | $548,170 | $750,808 | +$202,638 | +36.97% | |
| Jump Financial, Llc | 0.01% | 76,717 | $520,908 | $713,468 | +$192,560 | +36.97% |
Frequently asked questions about AMCX
Who owns the most AMCX stock?
The largest holders of AMCX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AMC NETWORKS INC-A (AMCX).
Is AMCX widely held by superinvestors?
Many widely followed stocks like AMCX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AMCX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.