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/PI/capital-change-brief"
Use Arkolith's capital_change_brief for PI. 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. | $443.0M | 4.3M | ▲+1.1% Added · +47K sh | Q1 2026 | |
| 2 | FMR LLC | $439.6M | 4.3M | ▼−4.9% Reduced · −220K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $219.8M | 2.1M | ▲New +2.1M sh | Q1 2026 | |
| 4 | STATE STREET CORP | $152.5M | 1.5M | ▲+16% Added · +208K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $130.0M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 6 | SYLEBRA CAPITAL LLC | $116.3M | 1.1M | —Held | Q1 2026 | |
| 7 | AMERIPRISE FINANCIAL INC | $88.1M | 858K | ▲+2.0% Added · +17K sh | Q1 2026 | |
| 8 | AMERICAN CENTURY COMPANIES INC | $84.0M | 818K | ▲+20% Added · +138K sh | Q1 2026 | |
| 9 | Alyeska Investment Group, L.P. | $75.5M | 735K | ▲New +735K sh | Q1 2026 | |
| 10 | Chevy Chase Trust Holdings, LLC | $74.8M | 728K | ▲+6.8% Added · +46K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $70.1M | 682K | ▲+2.1% Added · +14K sh | Q1 2026 | |
| 12 | UBS Group AG | $53.2M | 518K | ▲+57% Added · +189K sh | Q1 2026 | |
| 13 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME | $53.2M | 518K | ▲+48% Added · +168K sh | Q1 2026 | |
| 14 | MANUFACTURERS LIFE INSURANCE COMPANY, THE | $43.7M | 426K | ▲25× Added · +409K sh | Q1 2026 | |
| 15 | Whale Rock Capital Management LLC | $41.6M | 405K | ▼−54% Reduced · −482K sh | Q1 2026 | |
| 16 | NORGES BANK | $55.2M | 317K | ▲+247% Added · +226K sh | Q4 2025 | |
| 17 | PRICE T ROWE ASSOCIATES INC /MD/ | $31.4M | 306K | ▼−56% Reduced · −387K sh | Q1 2026 | |
| 18 | T. Rowe Price Investment Management, Inc. | Withheld | 300K | ▲+63% Added · +116K sh | Q1 2026 | |
| 19 | Nuveen, LLC | $30.6M | 298K | ▲+38% Added · +83K sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $30.3M | 295K | ▲+2.2% Added · +6K sh | Q1 2026 | |
| 21 | Point72 Asset Management, L.P. | $29.7M | 289K | ▲Added Added · +289K sh | Q1 2026 | |
| 22 | GOLDMAN SACHS GROUP INC | $28.2M | 275K | ▼−4.1% Reduced · −12K sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $27.9M | 271K | ▼−0.1% Reduced · −271 sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $27.0M | 263K | ▼−1.2% Reduced · −3K sh | Q1 2026 | |
| 25 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $26.3M | 256K | ▲+21% Added · +44K 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 13, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Gift (G) | 10K | $0 |
| Jun 23, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Option exercise (M) | 479 | $0 |
| Jun 23, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Option exercise (M) | 597 | $0 |
| Jun 23, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Tax withholding (F) | 424 | $53K |
| Jun 23, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Option exercise (M) | 479 | $0 |
| Jun 23, 2026 | Baker Cary | CHIEF FINANCIAL OFFICER | Option exercise (M) | 597 | $0 |
| Jun 23, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 1K | $0 |
| Jun 23, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 2K | $0 |
| Jun 23, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Tax withholding (F) | 1K | $150K |
| Jun 23, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 1K | $0 |
| Jun 23, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Option exercise (M) | 2K | $0 |
| Jun 15, 2026 | DIORIO CHRIS PH.D. | CHIEF EXECUTIVE OFFICER, Director | Gift (G) | 10K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 106 funds | $52.6B |
| NVIDIA CORPNVDA | 104 funds | $75.5B |
| ALPHABET INC-CL AGOOGL | 104 funds | $35.3B |
| META PLATFORMS INC-CLASS AMETA | 104 funds | $23.8B |
| AMAZON.COM INCAMZN | 103 funds | $42.2B |
| BROADCOM INCAVGO | 103 funds | $27.6B |
| APPLE INCAAPL | 101 funds | $57.8B |
| JPMORGAN CHASE & COJPM | 101 funds | $16.1B |
| MASTERCARD INC - AMA | 101 funds | $9.8B |
| ELI LILLY & COLLY | 100 funds | $12.5B |
| ALPHABET INC-CL CGOOG | 99 funds | $21.3B |
| MICRON TECHNOLOGY INCMU | 99 funds | $9.5B |
Ranked by how many of PI'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 PI. 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.