301 tracked 13F filers disclose a position in MCY as of the latest SEC 13F filings, a combined $2.3B 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. | $380.6M | 4.3M | ▼−7.3% Reduced · −340K sh | Q1 2026 | |
| 2 | Rubric Capital Management LP | $189.9M | 2.2M | ▲+4.9% Added · +100K sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $189.5M | 2.1M | ▲+2.2% Added · +47K sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $151.4M | 1.7M | →First observed position No prior filed position | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $108.1M | 1.2M | →First observed position No prior filed position | Q1 2026 | |
| 6 | STATE STREET CORP | $123.7M | 1.2M | ▲+5.5% Added · +61K sh | Q2 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $102.5M | 961K | ▲+27% Added · +207K sh | Q2 2026 | |
| 8 | RENAISSANCE TECHNOLOGIES LLC | $72.6M | 824K | ▼−6.5% Reduced · −58K sh | Q1 2026 | |
| 9 | AMERICAN CENTURY COMPANIES INC | $71.7M | 813K | ▲+16% Added · +114K sh | Q1 2026 | |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $50.7M | 575K | ▲~0% Added · +100 sh | Q1 2026 | |
| 11 | DG Capital Management, LLC | $51.5M | 483K | ▼−19% Reduced · −112K sh | Q2 2026 | |
| 12 | MORGAN STANLEY | $33.3M | 378K | ▼−2.1% Reduced · −8K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $31.5M | 357K | ▼−1.8% Reduced · −6K sh | Q1 2026 | |
| 14 | JACOBS LEVY EQUITY MANAGEMENT, INC | $31.1M | 353K | ▼−14% Reduced · −55K sh | Q1 2026 | |
| 15 | AQR CAPITAL MANAGEMENT LLC | $30.9M | 351K | ▲+3.0% Added · +10K sh | Q1 2026 | |
| 16 | UBS Group AG | $27.1M | 307K | ▲+138% Added · +178K sh | Q1 2026 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $25.5M | 289K | ▲+35% Added · +75K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $23.8M | 270K | ▲+3.9% Added · +10K sh | Q1 2026 | |
| 19 | Nuveen, LLC | $22.5M | 255K | ▼−11% Reduced · −33K sh | Q1 2026 | |
| 20 | WESTWOOD HOLDINGS GROUP INC | $22.1M | 251K | ▼−46% Reduced · −214K sh | Q1 2026 | |
| 21 | Bank of New York Mellon Corp | $21.5M | 244K | ▼−2.2% Reduced · −6K sh | Q1 2026 | |
| 22 | BNP PARIBAS FINANCIAL MARKETS | $19.2M | 218K | ▲+34% Added · +55K sh | Q1 2026 | |
| 23 | ALGERT GLOBAL LLC | $21.7M | 204K | ▲+20% Added · +34K sh | Q2 2026 | |
| 24 | GOLDMAN SACHS GROUP INC | $17.0M | 193K | ▲+42% Added · +57K sh | Q1 2026 | |
| 25 | Park West Asset Management LLC | $17.0M | 193K | ▼−41% Reduced · −136K 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, 10 funds opened a new position in MCY and 25 added to an existing one, while 19 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 | 167 funds | $202.6B |
| AMAZON.COM INCAMZN | 165 funds | $149.2B |
| NVIDIA CORPNVDA | 163 funds | $296.4B |
| COSTCO WHOLESALE CORPCOST | 161 funds | $27.4B |
| META PLATFORMS INC-CLASS AMETA | 160 funds | $81.5B |
| APPLE INCAAPL | 159 funds | $223.3B |
| ALPHABET INC-CL AGOOGL | 158 funds | $117.9B |
| ELI LILLY & COLLY | 158 funds | $59.5B |
| JPMORGAN CHASE & COJPM | 158 funds | $45.6B |
| ALPHABET INC-CL CGOOG | 157 funds | $99.2B |
| VISA INC-CLASS A SHARESV | 157 funds | $43.7B |
| MASTERCARD INC - AMA | 156 funds | $41.6B |
Ranked by how many of MCY's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 10, 2025 | Braunegg George Gwyer | Director | Buy (P) | 552 | $50K |
| May 23, 2025 | Joseph Victor George | President & COO, Director | Buy (P) | 15K | $899K |
| May 16, 2025 | Zhang Ximeng Simon | See Remarks | Buy (P) | 2K | $93K |
| Jan 7, 2025 | Ribisi Mark Allan | President of AIS subsidiary | Buy (P) | 55 | $4K |
| Dec 3, 2024 | Sullivan Heidi C. | VP/Chief Human Capital Officer | Sell (S) | 1K | $83K |
| Aug 28, 2023 | Little Joshua Eric | Director | Buy (P) | 250 | $7K |
| May 12, 2023 | Little Joshua Eric | Director | Buy (P) | 250 | $7K |
| May 12, 2023 | Little Joshua Eric | Director | Buy (P) | 250 | $7K |
| Mar 13, 2023 | Little Joshua Eric | Director | Buy (P) | 250 | $7K |
| Aug 26, 2022 | Little Joshua Eric | Director | Buy (P) | 400 | $13K |
| May 19, 2022 | Little Joshua Eric | Director | Buy (P) | 100 | $5K |
| Nov 16, 2021 | Little Joshua Eric | Director | Buy (P) | 300 | $16K |
Connected entities for MCY
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/MCY/capital-change-brief"
Use Arkolith's capital_change_brief for MCY. 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 MCY. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.