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/PUMP/capital-change-brief"
Use Arkolith's capital_change_brief for PUMP. 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. | $123.5M | 8.6M | ▲+19% Added · +1.4M sh | Q1 2026 | |
| 2 | Sourcerock Group LLC | $104.4M | 7.2M | ▲+5.8% Added · +395K sh | Q1 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $93.4M | 6.5M | ▲+15% Added · +832K sh | Q1 2026 | |
| 4 | D. E. Shaw & Co., Inc. | $68.4M | 4.7M | ▲+24% Added · +925K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $62.8M | 4.4M | ▲New +4.4M sh | Q1 2026 | |
| 6 | Valiant Capital Management, L.P. | $58.3M | 4.0M | ▲+10% Added · +374K sh | Q1 2026 | |
| 7 | AMERICAN CENTURY COMPANIES INC | $55.4M | 3.8M | ▲+10% Added · +356K sh | Q1 2026 | |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $49.7M | 3.4M | ▲+10% Added · +316K sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $45.8M | 3.2M | ▲+65% Added · +1.2M sh | Q1 2026 | |
| 10 | STATE STREET CORP | $44.0M | 3.1M | ▲+27% Added · +654K sh | Q1 2026 | |
| 11 | VAN ECK ASSOCIATES CORP | Withheld | 2.8M | ▲+129% Added · +1.6M sh | Q1 2026 | |
| 12 | VANGUARD PORTFOLIO MANAGEMENT LLC | $39.0M | 2.7M | ▲New +2.7M sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $35.8M | 2.5M | ▲+3.6% Added · +86K sh | Q1 2026 | |
| 14 | VR Advisory Services Ltd | $35.5M | 2.5M | ▲+184% Added · +1.6M sh | Q1 2026 | |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $33.8M | 2.3M | ▲+23% Added · +442K sh | Q1 2026 | |
| 16 | Philosophy Capital Management LLC | $32.9M | 2.3M | ▼−42% Reduced · −1.6M sh | Q1 2026 | |
| 17 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $23.8M | 1.7M | ▲+561% Added · +1.4M sh | Q1 2026 | |
| 18 | MILLENNIUM MANAGEMENT LLC | $22.4M | 1.6M | ▲+153% Added · +940K sh | Q1 2026 | |
| 19 | Nuveen, LLC | $21.6M | 1.5M | ▲+0.1% Added · +979 sh | Q1 2026 | |
| 20 | Fisher Asset Management, LLC | $21.5M | 1.5M | ▼~0% Reduced · −693 sh | Q1 2026 | |
| 21 | CITADEL ADVISORS LLC | $20.5M | 1.4M | ▼−13% Reduced · −216K sh | Q1 2026 | |
| 22 | JPMORGAN CHASE & CO | $18.3M | 1.2M | ▼−10.0% Reduced · −138K sh | Q1 2026 | |
| 23 | GOLDMAN SACHS GROUP INC | $16.8M | 1.2M | ▲+24% Added · +224K sh | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $16.5M | 1.1M | ▼−14% Reduced · −179K sh | Q1 2026 | |
| 25 | Empowered Funds, LLC | $16.3M | 1.1M | ▲+44% Added · +347K 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 |
|---|---|---|---|---|---|
| May 20, 2026 | RICCIARDELLO MARY P | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | Vion Michele | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | Lawrence G Larry | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | GOBE PHILLIP A | Director | Grant (A) | 2K | $0 |
| May 20, 2026 | GOBE PHILLIP A | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | BEST ANTHONY JAMES | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | BERG MARK STEPHEN | Director | Grant (A) | 9K | $0 |
| May 20, 2026 | EXXON MOBIL CORP | 10% Owner | Sell (S) | 16.6M | $276.6M |
| May 18, 2026 | Vion Michele | Director | Option exercise (M) | 28K | $0 |
| May 18, 2026 | Vion Michele | Director | Option exercise (M) | 28K | — |
| May 18, 2026 | RICCIARDELLO MARY P | Director | Option exercise (M) | 28K | $0 |
| May 18, 2026 | RICCIARDELLO MARY P | Director | Option exercise (M) | 28K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 76 funds | $25.1B |
| ALPHABET INC-CL AGOOGL | 73 funds | $16.8B |
| AMAZON.COM INCAMZN | 72 funds | $22.5B |
| NVIDIA CORPNVDA | 71 funds | $39.3B |
| BROADCOM INCAVGO | 71 funds | $14.1B |
| META PLATFORMS INC-CLASS AMETA | 70 funds | $13.4B |
| MICRON TECHNOLOGY INCMU | 70 funds | $6.8B |
| ELI LILLY & COLLY | 69 funds | $6.8B |
| UNITEDHEALTH GROUP INCUNH | 69 funds | $3.3B |
| ADVANCED MICRO DEVICESAMD | 68 funds | $4.2B |
| NETFLIX INCNFLX | 68 funds | $3.5B |
| BANK OF AMERICA CORPBAC | 68 funds | $2.9B |
Ranked by how many of PUMP'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 PUMP. 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.