153 tracked 13F filers disclose a position in AMCX as of the latest SEC 13F filings, a combined $197.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $22.9M | 3.4M | ▼−0.4% Reduced · −15K sh | Q1 2026 | |
| 2 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $13.2M | 2.0M | ▼−13% Reduced · −294K sh | Q1 2026 | |
| 3 | AMERICAN CENTURY COMPANIES INC | $9.8M | 1.4M | ▲+19% Added · +227K sh | Q1 2026 | |
| 4 | Allspring Global Investments Holdings, LLC | $9.4M | 1.3M | ▲+35% Added · +349K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $9.1M | 1.3M | →First observed position No prior filed position | Q1 2026 | |
| 6 | JPMORGAN CHASE & CO | $8.1M | 1.2M | ▼−13% Reduced · −179K sh | Q1 2026 | |
| 7 | MARSHALL WACE, LLP | $8.1M | 1.2M | ▼−3.9% Reduced · −48K sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $7.8M | 1.1M | ▼−0.8% Reduced · −9K sh | Q1 2026 | |
| 9 | CastleKnight Management LP | $7.5M | 1.1M | ▲+232% Added · +775K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $7.0M | 1.0M | ▲+1.3% Added · +14K sh | Q1 2026 | |
| 11 | UBS Group AG | $6.0M | 886K | ▲+9.8% Added · +79K sh | Q1 2026 | |
| 12 | D. E. Shaw & Co., Inc. | $5.9M | 871K | ▼−27% Reduced · −317K sh | Q1 2026 | |
| 13 | TWO SIGMA INVESTMENTS, LP | $5.7M | 842K | ▲+27% Added · +179K sh | Q1 2026 | |
| 14 | AQR CAPITAL MANAGEMENT LLC | $5.4M | 792K | ▲+102% Added · +400K sh | Q1 2026 | |
| 15 | Dana Investment Advisors, Inc. | $5.4M | 790K | ▼−0.2% Reduced · −2K sh | Q1 2026 | |
| 16 | STATE STREET CORP | $5.1M | 755K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $4.3M | 636K | ▼−3.3% Reduced · −22K sh | Q1 2026 | |
| 18 | GAMCO INVESTORS, INC. ET AL | $3.7M | 552K | ▼−4.4% Reduced · −25K sh | Q1 2026 | |
| 19 | BARCLAYS PLC | $3.4M | 508K | ▼−8.1% Reduced · −45K sh | Q1 2026 | |
| 20 | MORGAN STANLEY | $2.7M | 399K | ▼−27% Reduced · −149K sh | Q1 2026 | |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.7M | 396K | →First observed position No prior filed position | Q1 2026 | |
| 22 | PRUDENTIAL FINANCIAL INC | $2.5M | 369K | ▲+52% Added · +126K sh | Q1 2026 | |
| 23 | GOLDMAN SACHS GROUP INC | $2.1M | 315K | ▼−21% Reduced · −83K sh | Q1 2026 | |
| 24 | Allianz Asset Management GmbH | $1.9M | 286K | ▲+59% Added · +107K sh | Q1 2026 | |
| 25 | Russell Investments Group, Ltd. | $1.8M | 270K | ▼−11% Reduced · −35K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 6 funds opened a new position in AMCX and 24 added to an existing one, while 21 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 53 funds | $21.7B |
| AMAZON.COM INCAMZN | 53 funds | $17.1B |
| META PLATFORMS INC-CLASS AMETA | 53 funds | $10.7B |
| NVIDIA CORPNVDA | 52 funds | $33.3B |
| ALPHABET INC-CL AGOOGL | 52 funds | $14.5B |
| BROADCOM INCAVGO | 51 funds | $12.1B |
| ELI LILLY & COLLY | 51 funds | $5.8B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 51 funds | $4.9B |
| MICRON TECHNOLOGY INCMU | 51 funds | $4.7B |
| VISA INC-CLASS A SHARESV | 51 funds | $4.4B |
| COSTCO WHOLESALE CORPCOST | 51 funds | $4.3B |
| MASTERCARD INC - AMA | 51 funds | $3.7B |
Ranked by how many of AMCX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 10, 2026 | Sherin Michael J. III | EVP & Chief Accounting Officer | Sell (S) | 3K | $21K |
| Mar 10, 2026 | Sherin Michael J. III | EVP & Chief Accounting Officer | Sell (S) | 863 | $7K |
| Mar 10, 2026 | Sherin Michael J. III | EVP & Chief Accounting Officer | Sell (S) | 2K | $19K |
| Mar 11, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Sell (S) | 21K | $144K |
| Mar 10, 2025 | Charles F. Dolan 2009 Revocable Trust | Insider | Sell (S) | 154K | $1.1M |
| May 23, 2024 | Kelleher Kimberly | Chief Commercial Officer | Sell (S) | 11K | $188K |
| May 21, 2024 | Sherin Michael J. III | EVP & Chief Accounting Officer | Sell (S) | 5K | $80K |
| May 21, 2024 | O'Connell Patrick | EVP & Chief Financial Officer | Sell (S) | 459 | $8K |
| May 21, 2024 | O'Connell Patrick | EVP & Chief Financial Officer | Sell (S) | 2K | $33K |
| May 21, 2024 | O'Connell Patrick | EVP & Chief Financial Officer | Sell (S) | 2K | $33K |
| May 21, 2024 | O'Connell Patrick | EVP & Chief Financial Officer | Sell (S) | 2K | $33K |
| May 16, 2024 | O'Connell Patrick | EVP & Chief Financial Officer | Sell (S) | 5K | $80K |
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/AMCX/capital-change-brief"
Use Arkolith's capital_change_brief for AMCX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AMCX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.