AMC NETWORKS INC-A (AMCX) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $337.40M 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 $37.63M in its June 30, 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 $43.43M, representing an estimated gain of +15.43% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 50% of the total disclosed AMCX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Allspring Global Investments Holdings, Llc, Castleknight Management Lp, 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
171
Total Reported Value
$337.40M
Largest Holder
Blackrock, Inc.
Largest Position
$37.63M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
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% | 3,770,324 | $37,627,833 | $43,434,132 | +$5,806,299 | +15.43% | |
| Allspring Global Investments Holdings, Llc | 0.03% | 1,791,009 | $18,823,505 | $20,632,424 | +$1,808,919 | +9.61% | |
| Castleknight Management Lp | 0.67% | 1,838,500 | $18,348,230 | $21,179,520 | +$2,831,290 | +15.43% | |
| American Century Companies Inc | 0.01% | 1,685,871 | $16,824,993 | $19,421,234 | +$2,596,241 | +15.43% | |
| Rwwm, Inc. | 1.03% | 1,401,949 | $13,991,451 | $16,150,452 | +$2,159,001 | +15.43% | |
| Vanguard Capital Management Llc | 0.00% | 1,358,621 | $13,559,038 | $15,651,314 | +$2,092,276 | +15.43% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,320,033 | $13,173,929 | $15,206,780 | +$2,032,851 | +15.43% | |
| Dimensional Fund Advisors Lp | 0.00% | 1,267,113 | $12,646,028 | $14,597,142 | +$1,951,114 | +15.43% | |
| Jpmorgan Chase & Co | 0.00% | 1,206,207 | $12,116,350 | $13,895,505 | +$1,779,155 | +14.68% | |
| Geode Capital Management, Llc | 0.00% | 1,149,899 | $11,478,529 | $13,246,836 | +$1,768,307 | +15.41% | |
| Aqr Capital Management Llc | 0.00% | 959,648 | $9,577,288 | $11,055,145 | +$1,477,857 | +15.43% | |
| D. E. Shaw & Co., Inc. | 0.01% | 923,859 | $9,220,113 | $10,642,856 | +$1,422,743 | +15.43% | |
| Acadian Asset Management Llc | 0.01% | 868,997 | $8,668,000 | $10,010,845 | +$1,342,845 | +15.49% | |
| Ubs Group Ag | 0.00% | 838,227 | $8,365,505 | $9,656,375 | +$1,290,870 | +15.43% | |
| Two Sigma Investments, Lp | 0.01% | 827,948 | $8,262,921 | $9,537,961 | +$1,275,040 | +15.43% | |
| Dana Investment Advisors, Inc. | 0.20% | 777,594 | $7,760,388 | $8,957,883 | +$1,197,495 | +15.43% | |
| Marshall Wace, Llp | 0.01% | 773,892 | $7,723,441 | $8,915,236 | +$1,191,795 | +15.43% | |
| State Street Corp | 0.00% | 730,017 | $7,285,570 | $8,409,796 | +$1,124,226 | +15.43% | |
| Bridgeway Capital Management, Llc | 0.11% | 612,450 | $6,112,251 | $7,055,424 | +$943,173 | +15.43% | |
| Lsv Asset Management | 0.01% | 578,806 | $5,776,000 | $6,667,845 | +$891,845 | +15.44% | |
| Gamco Investors, Inc. Et Al | 0.05% | 549,714 | $5,486,146 | $6,332,705 | +$846,559 | +15.43% | |
| Vanguard Portfolio Management Llc | 0.00% | 421,507 | $4,206,640 | $4,855,761 | +$649,121 | +15.43% | |
| Barclays Plc | 0.00% | 397,773 | $3,969,774 | $4,582,345 | +$612,571 | +15.43% | |
| Northern Trust Corp | 0.00% | 357,126 | $3,564,118 | $4,114,092 | +$549,974 | +15.43% | |
| Russell Investments Group, Ltd. | 0.00% | 345,584 | $3,448,928 | $3,981,128 | +$532,200 | +15.43% | |
| Allianz Asset Management Gmbh | 0.00% | 330,537 | $3,298,759 | $3,807,786 | +$509,027 | +15.43% | |
| Morgan Stanley | 0.00% | 304,180 | $3,035,718 | $3,504,154 | +$468,436 | +15.43% | |
| Citadel Advisors Llc | 0.00% | 303,684 | $3,030,766 | $3,498,440 | +$467,674 | +15.43% | |
| Prudential Financial Inc | 0.00% | 301,007 | $3,004,050 | $3,467,601 | +$463,551 | +15.43% | |
| Goldman Sachs Group Inc | 0.00% | 278,137 | $2,775,808 | $3,204,138 | +$428,330 | +15.43% | |
| Jane Street Group, Llc | 0.00% | 268,806 | $2,682,684 | $3,096,645 | +$413,961 | +15.43% | |
| Quinn Opportunity Partners Llc | 0.11% | 244,721 | $2,442,316 | $2,819,186 | +$376,870 | +15.43% | |
| Nuveen, Llc | 0.00% | 237,979 | $2,375,031 | $2,741,518 | +$366,487 | +15.43% | |
| Envestnet Asset Management Inc | 0.00% | 228,738 | $2,282,807 | $2,635,062 | +$352,255 | +15.43% | |
| O'Shaughnessy Asset Management, Llc | 0.01% | 222,020 | $2,215,760 | $2,557,670 | +$341,910 | +15.43% | |
| Denali Advisors Llc | 0.22% | 219,400 | $2,189,612 | $2,527,488 | +$337,876 | +15.43% | |
| Vanguard Fiduciary Trust Co | 0.00% | 214,398 | $2,139,692 | $2,469,865 | +$330,173 | +15.43% | |
| Empowered Funds, Llc | 0.01% | 195,817 | $1,954,254 | $2,255,812 | +$301,558 | +15.43% | |
| Plustick Management Llc | 0.72% | 170,000 | $1,696,600 | $1,958,400 | +$261,800 | +15.43% | |
| Segall Bryant & Hamill, Llc | 0.02% | 156,067 | $1,557,549 | $1,797,892 | +$240,343 | +15.43% | |
| Ritholtz Wealth Management | 0.02% | 149,732 | $1,494,325 | $1,724,913 | +$230,588 | +15.43% | |
| Bank Of New York Mellon Corp | 0.00% | 145,082 | $1,447,915 | $1,671,345 | +$223,430 | +15.43% | |
| Martingale Asset Management L P | 0.03% | 137,643 | $1,373,678 | $1,585,647 | +$211,969 | +15.43% | |
| Gabelli Funds Llc | 0.01% | 127,500 | $1,272,450 | $1,468,800 | +$196,350 | +15.43% | |
| Squarepoint Ops Llc | 0.00% | 114,311 | $1,140,824 | $1,316,863 | +$176,039 | +15.43% | |
| Raymond James Financial Inc | 0.00% | 112,644 | $1,124,187 | $1,297,659 | +$173,472 | +15.43% | |
| Quantinno Capital Management Lp | 0.00% | 106,386 | $1,061,732 | $1,225,567 | +$163,835 | +15.43% | |
| Citigroup Inc | 0.00% | 93,990 | $938,020 | $1,082,765 | +$144,745 | +15.43% | |
| New York State Common Retirement Fund | 0.00% | 93,461 | $932,741 | $1,076,671 | +$143,930 | +15.43% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.00% | 89,000 | $888,220 | $1,025,280 | +$137,060 | +15.43% |
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.