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/ADPT/capital-change-brief"
Use Arkolith's capital_change_brief for ADPT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VIKING GLOBAL INVESTORS LP | $416.3M | 30.0M | —Held | Q1 2026 | |
| 2 | BlackRock, Inc. | $184.6M | 13.3M | ▼−0.2% Reduced · −31K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $84.6M | 6.1M | ▲New +6.1M sh | Q1 2026 | |
| 4 | WESTFIELD CAPITAL MANAGEMENT CO LP | $75.5M | 5.4M | ▲+34% Added · +1.4M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $62.3M | 4.5M | ▲New +4.5M sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $50.5M | 3.6M | ▲+3.5% Added · +124K sh | Q1 2026 | |
| 7 | GOLDMAN SACHS GROUP INC | $45.0M | 3.2M | ▲+12% Added · +340K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $44.8M | 3.2M | ▲+1.4% Added · +46K sh | Q1 2026 | |
| 9 | AMERIPRISE FINANCIAL INC | $41.9M | 3.0M | ▲+16% Added · +426K sh | Q1 2026 | |
| 10 | BNP Paribas Asset Management Holding S.A. | $37.3M | 2.7M | ▲New +2.7M sh | Q1 2026 | |
| 11 | ARK Investment Management LLC | $29.1M | 2.1M | ▼−2.1% Reduced · −46K sh | Q1 2026 | |
| 12 | FRED ALGER MANAGEMENT, LLC | $28.6M | 2.1M | ▼−8.1% Reduced · −182K sh | Q1 2026 | |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $27.7M | 2.0M | ▼−18% Reduced · −427K sh | Q1 2026 | |
| 14 | D. E. Shaw & Co., Inc. | $27.3M | 2.0M | ▲+3.3% Added · +63K sh | Q1 2026 | |
| 15 | Aristotle Atlantic Partners, LLC | $23.8M | 1.7M | ▼−7.0% Reduced · −128K sh | Q1 2026 | |
| 16 | PRINCIPAL FINANCIAL GROUP INC | $23.7M | 1.7M | ▲+9.8% Added · +152K sh | Q1 2026 | |
| 17 | Sumitomo Mitsui Trust Group, Inc. | $22.1M | 1.6M | ▼−18% Reduced · −353K sh | Q1 2026 | |
| 18 | Amova Asset Management Americas, Inc. | $22.1M | 1.6M | ▼−18% Reduced · −353K sh | Q1 2026 | |
| 19 | PRICE T ROWE ASSOCIATES INC /MD/ | $21.7M | 1.6M | ▼−64% Reduced · −2.8M sh | Q1 2026 | |
| 20 | NORTHERN TRUST CORP | $19.3M | 1.4M | ▲+19% Added · +220K sh | Q1 2026 | |
| 21 | Divisadero Street Capital Management, LP | $18.3M | 1.3M | ▲+265% Added · +957K sh | Q1 2026 | |
| 22 | Nuveen, LLC | $18.1M | 1.3M | ▲+66% Added · +518K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $17.0M | 1.2M | ▲+52% Added · +422K sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $15.9M | 1.1M | ▼−2.4% Reduced · −28K sh | Q1 2026 | |
| 25 | MILLENNIUM MANAGEMENT LLC | $15.0M | 1.1M | ▲59× Added · +1.1M 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 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 23K | $0 |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 24K | $0 |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 59K | $0 |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Sell (S) | 106K | $2.4M |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 23K | $192K |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 24K | $287K |
| Jul 15, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 59K | $463K |
| Jul 2, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 13K | $98K |
| Jul 2, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 13K | $153K |
| Jul 2, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 13K | $107K |
| Jul 2, 2026 | LO FRANCIS | Chief People Officer | Sell (S) | 45K | $1.0M |
| Jul 2, 2026 | LO FRANCIS | Chief People Officer | Option exercise (M) | 13K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 82 funds | $39.1B |
| AMAZON.COM INCAMZN | 81 funds | $30.5B |
| ALPHABET INC-CL AGOOGL | 81 funds | $26.1B |
| APPLE INCAAPL | 80 funds | $43.6B |
| META PLATFORMS INC-CLASS AMETA | 80 funds | $18.6B |
| ELI LILLY & COLLY | 80 funds | $10.5B |
| INTUITIVE SURGICAL INCISRG | 80 funds | $3.7B |
| BOSTON SCIENTIFIC CORPBSX | 80 funds | $3.0B |
| NVIDIA CORPNVDA | 79 funds | $54.1B |
| ALPHABET INC-CL CGOOG | 79 funds | $16.6B |
| BROADCOM INCAVGO | 78 funds | $20.6B |
| TESLA INCTSLA | 77 funds | $12.7B |
Ranked by how many of ADPT'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 ADPT. 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.