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/PUBM/capital-change-brief"
Use Arkolith's capital_change_brief for PUBM. 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. | $25.1M | 3.1M | ▼−1.9% Reduced · −58K sh | Q1 2026 | |
| 2 | CenterBook Partners LP | $14.3M | 1.7M | ▲+52% Added · +595K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $13.2M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $12.6M | 1.5M | ▲+26% Added · +321K sh | Q1 2026 | |
| 5 | DIMENSIONAL FUND ADVISORS LP | $10.2M | 1.2M | ▼−2.1% Reduced · −27K sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $7.8M | 951K | ▲+4.9% Added · +45K sh | Q1 2026 | |
| 7 | JACOBS LEVY EQUITY MANAGEMENT, INC | $7.6M | 932K | ▲+0.3% Added · +3K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $6.5M | 791K | ▼−4.6% Reduced · −39K sh | Q1 2026 | |
| 9 | ROYAL BANK OF CANADA | $6.1M | 740K | ▼−14% Reduced · −123K sh | Q1 2026 | |
| 10 | S SQUARED TECHNOLOGY, LLC | $5.5M | 676K | ▲+141% Added · +395K sh | Q1 2026 | |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | $5.2M | 639K | ▲New +639K sh | Q1 2026 | |
| 12 | TWO SIGMA INVESTMENTS, LP | $4.4M | 534K | ▲+13% Added · +60K sh | Q1 2026 | |
| 13 | D. E. Shaw & Co., Inc. | $3.6M | 445K | ▼−19% Reduced · −101K sh | Q1 2026 | |
| 14 | Trexquant Investment LP | $3.5M | 422K | ▲+37% Added · +115K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $2.9M | 354K | ▲+42% Added · +105K sh | Q1 2026 | |
| 16 | TUDOR INVESTMENT CORP ET AL | $2.9M | 351K | ▲+249% Added · +250K sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $2.8M | 342K | ▲+6.6% Added · +21K sh | Q1 2026 | |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $2.4M | 295K | ▼−1.8% Reduced · −5K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $2.4M | 291K | ▲+7.8% Added · +21K sh | Q1 2026 | |
| 20 | PANAGORA ASSET MANAGEMENT INC | $2.3M | 276K | ▲+1.1% Added · +3K sh | Q1 2026 | |
| 21 | JPMORGAN CHASE & CO | $2.0M | 240K | ▲+153% Added · +146K sh | Q1 2026 | |
| 22 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.0M | 239K | ▲+66% Added · +95K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $1.9M | 231K | ▲New +231K sh | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $1.7M | 210K | ▲+1.6% Added · +3K sh | Q1 2026 | |
| 25 | Quantinno Capital Management LP | $1.7M | 207K | ▲+248% Added · +147K 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 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Conversion (C) | 8K | $0 |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Option exercise (M) | 8K | $17K |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Option exercise (M) | 8K | $0 |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Sell (S) | 8K | $109K |
| Jul 16, 2026 | Kumar Mukul | PRESIDENT, ENGINEERING | Conversion (C) | 8K | $0 |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Conversion (C) | 9K | $0 |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Option exercise (M) | 9K | $35K |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Option exercise (M) | 9K | $0 |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Sell (S) | 9K | $125K |
| Jul 16, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Conversion (C) | 9K | — |
| Jul 16, 2026 | Woods Andrew | GENERAL COUNSEL & SECRETARY | Sell (S) | 3K | $45K |
| Jul 15, 2026 | Goel Rajeev K. | CHIEF EXECUTIVE OFFICER, Director, 10% Owner | Conversion (C) | 4K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 44 funds | $15.7B |
| AMAZON.COM INCAMZN | 44 funds | $12.2B |
| META PLATFORMS INC-CLASS AMETA | 44 funds | $7.9B |
| ELI LILLY & COLLY | 44 funds | $4.4B |
| BANK OF AMERICA CORPBAC | 44 funds | $1.9B |
| ALPHABET INC-CL AGOOGL | 43 funds | $9.8B |
| BROADCOM INCAVGO | 43 funds | $9.3B |
| COSTCO WHOLESALE CORPCOST | 43 funds | $3.2B |
| UNITEDHEALTH GROUP INCUNH | 43 funds | $1.6B |
| CUMMINS INCCMI | 43 funds | $899.7M |
| NVIDIA CORPNVDA | 42 funds | $26.1B |
| APPLE INCAAPL | 42 funds | $20.5B |
Ranked by how many of PUBM'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 PUBM. 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.