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/LPX/capital-change-brief"
Use Arkolith's capital_change_brief for LPX. 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. | $453.5M | 6.2M | ▲+5.9% Added · +345K sh | Q1 2026 | |
| 2 | BERKSHIRE HATHAWAY INC | $412.1M | 5.7M | —Held | Q1 2026 | |
| 3 | PRICE T ROWE ASSOCIATES INC /MD/ | $314.8M | 4.3M | ▲+151% Added · +2.6M sh | Q1 2026 | |
| 4 | 59 North Capital Management, LP | $237.4M | 3.3M | ▼−7.7% Reduced · −273K sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $222.7M | 3.1M | ▲New +3.1M sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $205.1M | 2.8M | ▲New +2.8M sh | Q1 2026 | |
| 7 | FMR LLC | $195.9M | 2.7M | ▲+19% Added · +439K sh | Q1 2026 | |
| 8 | EMINENCE CAPITAL, LP | $184.3M | 2.5M | ▼−37% Reduced · −1.5M sh | Q1 2026 | |
| 9 | STATE STREET CORP | $161.1M | 2.2M | ▲+2.0% Added · +43K sh | Q1 2026 | |
| 10 | DIMENSIONAL FUND ADVISORS LP | $119.3M | 1.6M | ▲+0.9% Added · +15K sh | Q1 2026 | |
| 11 | AMERICAN CENTURY COMPANIES INC | $98.3M | 1.4M | ▲+1.3% Added · +17K sh | Q1 2026 | |
| 12 | Boston Partners | $95.8M | 1.3M | ▲+16% Added · +186K sh | Q1 2026 | |
| 13 | FIDUCIARY MANAGEMENT INC /WI/ | $92.1M | 1.3M | ▲+15% Added · +167K sh | Q1 2026 | |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | $84.8M | 1.2M | ▲+0.4% Added · +5K sh | Q1 2026 | |
| 15 | Maple Rock Capital Partners Inc. | $80.9M | 1.1M | ▲+89% Added · +524K sh | Q1 2026 | |
| 16 | Holocene Advisors, LP | $74.7M | 1.0M | ▲+15% Added · +134K sh | Q1 2026 | |
| 17 | CITADEL ADVISORS LLC | $71.1M | 978K | ▲+18% Added · +148K sh | Q1 2026 | |
| 18 | Channing Capital Management, LLC | $69.8M | 959K | ▼−2.6% Reduced · −26K sh | Q1 2026 | |
| 19 | T. Rowe Price Investment Management, Inc. | Withheld | 788K | ▼−6.0% Reduced · −50K sh | Q1 2026 | |
| 20 | DEPRINCE RACE & ZOLLO INC | $56.6M | 778K | ▲New +778K sh | Q1 2026 | |
| 21 | NORGES BANK | $60.2M | 745K | ▼−11% Reduced · −96K sh | Q4 2025 | |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $50.7M | 697K | ▲+3.4% Added · +23K sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $48.1M | 661K | ▼−31% Reduced · −304K sh | Q1 2026 | |
| 24 | VICTORY CAPITAL MANAGEMENT INC | $47.0M | 647K | ▼−7.6% Reduced · −53K sh | Q1 2026 | |
| 25 | AQR CAPITAL MANAGEMENT LLC | $45.8M | 638K | ▼−2.9% Reduced · −19K 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 |
|---|---|---|---|---|---|
| Jul 1, 2026 | Hamill Anthony | SVP, COO | Tax withholding (F) | 1K | $84K |
| Jun 15, 2026 | Bruce Lizanne M | Director | Sell (S) | 1K | $89K |
| Jun 15, 2026 | Bruce Lizanne M | Director | Other (J) | 378 | $0 |
| May 8, 2026 | Ribieras JeanMichel | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | Macadam Stephen E. | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | Silberhorn Ty R | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | GRASBERGER F NICHOLAS III | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | Bayardo Jose A | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | BARRETT KELLY HEFNER | Director | Grant (A) | 2K | $0 |
| May 8, 2026 | Bruce Lizanne M | Director | Grant (A) | 2K | $0 |
| Apr 7, 2026 | Ringblom Jason Paul | Chief Executive Officer, Director | Tax withholding (F) | 1K | $84K |
| Mar 10, 2026 | Bruce Lizanne M | Director | Sell (S) | 1K | $102K |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 143 funds | $44.9B |
| META PLATFORMS INC-CLASS AMETA | 143 funds | $26.3B |
| MICROSOFT CORPMSFT | 141 funds | $52.5B |
| NVIDIA CORPNVDA | 138 funds | $78.5B |
| ALPHABET INC-CL AGOOGL | 138 funds | $49.5B |
| VISA INC-CLASS A SHARESV | 137 funds | $11.5B |
| BROADCOM INCAVGO | 136 funds | $27.3B |
| CHEVRON CORPCVX | 134 funds | $24.9B |
| ELI LILLY & COLLY | 134 funds | $13.5B |
| MASTERCARD INC - AMA | 134 funds | $9.0B |
| NETFLIX INCNFLX | 134 funds | $7.1B |
| APPLE INCAAPL | 133 funds | $121.5B |
Ranked by how many of LPX'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 LPX. 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.