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/ACHR/capital-change-brief"
Use Arkolith's capital_change_brief for ACHR. 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. | $304.5M | 58.9M | ▲+2.7% Added · +1.5M sh | Q1 2026 | |
| 2 | STATE STREET CORP | $225.6M | 43.6M | ▲+33% Added · +10.9M sh | Q1 2026 | |
| 3 | ARK Investment Management LLC | $193.5M | 37.4M | ▲+6.4% Added · +2.3M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $126.9M | 24.5M | ▲New +24.5M sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $119.3M | 23.1M | ▲New +23.1M sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $75.7M | 14.6M | ▲+1.8% Added · +257K sh | Q1 2026 | |
| 7 | MORGAN STANLEY | $54.2M | 10.5M | ▼−33% Reduced · −5.2M sh | Q1 2026 | |
| 8 | NORGES BANK | $58.5M | 7.8M | ▲New +7.8M sh | Q4 2025 | |
| 9 | Sumitomo Mitsui Trust Group, Inc. | $39.6M | 7.7M | ▼−3.3% Reduced · −262K sh | Q1 2026 | |
| 10 | Amova Asset Management Americas, Inc. | $39.6M | 7.7M | ▼−3.3% Reduced · −262K sh | Q1 2026 | |
| 11 | GOLDMAN SACHS GROUP INC | $29.8M | 5.8M | ▼−7.8% Reduced · −487K sh | Q1 2026 | |
| 12 | Alpine Global Management, LLC | $29.1M | 5.6M | ▲+20% Added · +955K sh | Q1 2026 | |
| 13 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $27.9M | 5.4M | ▼−0.6% Reduced · −33K sh | Q1 2026 | |
| 14 | UBS Group AG | $26.9M | 5.2M | ▲+125% Added · +2.9M sh | Q1 2026 | |
| 15 | NORTHERN TRUST CORP | $26.5M | 5.1M | ▼−0.9% Reduced · −47K sh | Q1 2026 | |
| 16 | Blackstone Inc. | $26.1M | 5.1M | ▼−35% Reduced · −2.8M sh | Q1 2026 | |
| 17 | Alyeska Investment Group, L.P. | $24.5M | 4.7M | ▼−21% Reduced · −1.3M sh | Q1 2026 | |
| 18 | VOYA INVESTMENT MANAGEMENT LLC | $23.7M | 4.6M | ▲+46% Added · +1.4M sh | Q1 2026 | |
| 19 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $23.6M | 4.6M | ▲+493% Added · +3.8M sh | Q1 2026 | |
| 20 | VANGUARD FIDUCIARY TRUST CO | $21.7M | 4.2M | ▲New +4.2M sh | Q1 2026 | |
| 21 | United Airlines Holdings, Inc. | $16.4M | 3.2M | —Held | Q1 2026 | |
| 22 | CITADEL ADVISORS LLC | $15.1M | 2.9M | ▲+33% Added · +717K sh | Q1 2026 | |
| 23 | Clear Street Group Inc. | $14.8M | 2.9M | ▲+35% Added · +743K sh | Q1 2026 | |
| 24 | Hudson Bay Capital Management LP | $13.3M | 2.6M | ▼−2.8% Reduced · −75K sh | Q1 2026 | |
| 25 | RENAISSANCE TECHNOLOGIES LLC | $13.0M | 2.5M | ▲+703% Added · +2.2M 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 |
|---|---|---|---|---|---|
| Jun 26, 2026 | Spellacy Michael | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | Spellacy Michael | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | MUNOZ OSCAR | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | MUNOZ OSCAR | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | MUNOZ OSCAR | Director | Grant (A) | 41K | $0 |
| Jun 26, 2026 | Diaz Fred M | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | Diaz Fred M | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | Diaz Fred M | Director | Grant (A) | 41K | $0 |
| Jun 26, 2026 | Diaz Deborah | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | Diaz Deborah | Director | Option exercise (M) | 19K | $0 |
| Jun 26, 2026 | Diaz Deborah | Director | Grant (A) | 41K | $0 |
| Jun 26, 2026 | Pinelli Maria | Director | Option exercise (M) | 19K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 169 funds | $54.0B |
| TESLA INCTSLA | 168 funds | $18.3B |
| ELI LILLY & COLLY | 168 funds | $13.8B |
| AMAZON.COM INCAMZN | 167 funds | $43.1B |
| BROADCOM INCAVGO | 167 funds | $26.2B |
| META PLATFORMS INC-CLASS AMETA | 167 funds | $24.2B |
| NVIDIA CORPNVDA | 166 funds | $80.6B |
| ALPHABET INC-CL AGOOGL | 165 funds | $33.4B |
| APPLE INCAAPL | 164 funds | $63.9B |
| COSTCO WHOLESALE CORPCOST | 164 funds | $10.0B |
| UNITEDHEALTH GROUP INCUNH | 164 funds | $5.2B |
| JPMORGAN CHASE & COJPM | 163 funds | $19.1B |
Ranked by how many of ACHR'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 ACHR. 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.