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/HCC/capital-change-brief"
Use Arkolith's capital_change_brief for HCC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $694.1M | 7.5M | ▲+1.8% Added · +129K sh | Q1 2026 | |
| 2 | STATE STREET CORP | $409.7M | 4.4M | ▲+12% Added · +489K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $304.1M | 3.3M | ▲New +3.3M sh | Q1 2026 | |
| 4 | FMR LLC | $256.0M | 2.7M | ▼−1.2% Reduced · −32K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $219.9M | 2.4M | ▲New +2.4M sh | Q1 2026 | |
| 6 | T. Rowe Price Investment Management, Inc. | Withheld | 2.0M | ▼−1.1% Reduced · −23K sh | Q1 2026 | |
| 7 | Dalal Street, LLC | $168.7M | 1.8M | ▲+0.6% Added · +11K sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $152.1M | 1.6M | ▼−2.8% Reduced · −47K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $135.4M | 1.5M | ▲+13% Added · +173K sh | Q1 2026 | |
| 10 | Allianz Asset Management GmbH | $124.0M | 1.3M | ▼−11% Reduced · −167K sh | Q1 2026 | |
| 11 | PRICE T ROWE ASSOCIATES INC /MD/ | $122.0M | 1.3M | ▼−51% Reduced · −1.4M sh | Q1 2026 | |
| 12 | AMERICAN CENTURY COMPANIES INC | $96.8M | 1.0M | ▼−35% Reduced · −570K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $78.0M | 838K | ▼−1.8% Reduced · −16K sh | Q1 2026 | |
| 14 | RENAISSANCE TECHNOLOGIES LLC | $75.5M | 811K | ▲+23% Added · +150K sh | Q1 2026 | |
| 15 | Hosking Partners LLP | $61.2M | 657K | ▼−1.6% Reduced · −11K sh | Q1 2026 | |
| 16 | JANE STREET GROUP, LLC | $57.1M | 613K | ▲32× Added · +594K sh | Q1 2026 | |
| 17 | Goehring & Rozencwajg Associates, LLC | $55.7M | 598K | ▲New +598K sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $52.3M | 562K | ▼−6.9% Reduced · −42K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $49.2M | 528K | ▼−31% Reduced · −238K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $46.7M | 501K | ▲+8.3% Added · +38K sh | Q1 2026 | |
| 21 | VICTORY CAPITAL MANAGEMENT INC | $45.9M | 493K | ▼−32% Reduced · −233K sh | Q1 2026 | |
| 22 | VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. | $35.8M | 441K | ▲New +441K sh | Q2 2026 | |
| 23 | GOLDMAN SACHS GROUP INC | $38.8M | 416K | ▲+61% Added · +158K sh | Q1 2026 | |
| 24 | Bank of New York Mellon Corp | $36.5M | 392K | ▼−2.8% Reduced · −11K sh | Q1 2026 | |
| 25 | UBS Group AG | $36.2M | 389K | ▼−71% Reduced · −941K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 2, 2026 | Gant Kelli K. | See remarks | Sell (S) | 20K | $2.2M |
| Apr 23, 2026 | Schnorr Lisa M. | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | Schnorr Lisa M. | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | HARVEY J BRETT | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | HARVEY J BRETT | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | Chainey Kimberly | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | Chainey Kimberly | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | Williams Stephen D. | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | Williams Stephen D. | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | SCHUMACHER ALAN H | Director | Option exercise (M) | 3K | $0 |
| Apr 23, 2026 | SCHUMACHER ALAN H | Director | Option exercise (M) | 3K | $0 |
| Apr 20, 2026 | Schnorr Lisa M. | Director | Grant (A) | 1K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 104 funds | $29.4B |
| BROADCOM INCAVGO | 102 funds | $22.0B |
| BANK OF AMERICA CORPBAC | 101 funds | $4.3B |
| MICROSOFT CORPMSFT | 100 funds | $39.0B |
| ALPHABET INC-CL AGOOGL | 100 funds | $26.8B |
| META PLATFORMS INC-CLASS AMETA | 100 funds | $17.9B |
| ELI LILLY & COLLY | 100 funds | $9.9B |
| NVIDIA CORPNVDA | 99 funds | $60.4B |
| MICRON TECHNOLOGY INCMU | 99 funds | $8.2B |
| COSTCO WHOLESALE CORPCOST | 99 funds | $7.0B |
| UNITEDHEALTH GROUP INCUNH | 99 funds | $3.6B |
| JPMORGAN CHASE & COJPM | 98 funds | $13.1B |
Ranked by how many of HCC's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for HCC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.