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/COMP/capital-change-brief"
Use Arkolith's capital_change_brief for COMP. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | $786.2M | 107.6M | ▲+55% Added · +38.1M sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $438.9M | 60.0M | ▲New +60.0M sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $369.4M | 50.5M | ▲+29% Added · +11.4M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $225.7M | 30.9M | ▲New +30.9M sh | Q1 2026 | |
| 5 | SB INVESTMENT ADVISERS (UK) LTD | $160.9M | 22.0M | ▼−12% Reduced · −3.1M sh | Q1 2026 | |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | $120.0M | 16.4M | ▲+33% Added · +4.1M sh | Q1 2026 | |
| 7 | DIMENSIONAL FUND ADVISORS LP | $112.4M | 15.4M | ▲+107% Added · +8.0M sh | Q1 2026 | |
| 8 | STATE STREET CORP | $107.1M | 14.7M | ▲+35% Added · +3.8M sh | Q1 2026 | |
| 9 | Parsifal Capital Management, LP | $87.1M | 11.9M | ▲Added Added · +11.9M sh | Q1 2026 | |
| 10 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $84.7M | 11.6M | ▲+103% Added · +5.9M sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $78.1M | 10.7M | ▲+574% Added · +9.1M sh | Q1 2026 | |
| 12 | Artisan Partners Limited Partnership | $73.4M | 10.0M | ▲+84% Added · +4.6M sh | Q1 2026 | |
| 13 | Senvest Management, LLC | $67.1M | 9.2M | ▲+275% Added · +6.7M sh | Q1 2026 | |
| 14 | MARSHALL WACE, LLP | $65.2M | 8.9M | ▲+160% Added · +5.5M sh | Q1 2026 | |
| 15 | Schonfeld Strategic Advisors LLC | $55.1M | 7.5M | ▲+292% Added · +5.6M sh | Q1 2026 | |
| 16 | PRICE T ROWE ASSOCIATES INC /MD/ | $51.6M | 7.1M | ▼−25% Reduced · −2.3M sh | Q1 2026 | |
| 17 | Winslow Capital Management, LLC | $50.7M | 6.9M | —Held | Q1 2026 | |
| 18 | Philosophy Capital Management LLC | $49.5M | 6.8M | ▲+17% Added · +995K sh | Q1 2026 | |
| 19 | UBS Group AG | $49.0M | 6.7M | ▲+91% Added · +3.2M sh | Q1 2026 | |
| 20 | GOLDMAN SACHS GROUP INC | $48.0M | 6.6M | ▲+30% Added · +1.5M sh | Q1 2026 | |
| 21 | Kanen Wealth Management LLC | $46.8M | 6.4M | ▲+0.1% Added · +7K sh | Q1 2026 | |
| 22 | DISCOVERY CAPITAL MANAGEMENT, LLC / CT | $44.4M | 6.1M | ▲+97% Added · +3.0M sh | Q1 2026 | |
| 23 | Southpoint Capital Advisors LP | $43.9M | 6.0M | ▼−25% Reduced · −2.0M sh | Q1 2026 | |
| 24 | JPMORGAN CHASE & CO | $39.2M | 5.7M | ▲+11% Added · +556K sh | Q1 2026 | |
| 25 | Nuveen, LLC | $41.8M | 5.7M | ▲+0.1% Added · +8K 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 1, 2026 | Reffkin Robert L. | Chairman and CEO, Director | Sell (S) | 23K | $293K |
| Jun 15, 2026 | Gustavson Timothy B. | Chief Accounting Officer | Option exercise (M) | 2K | $0 |
| Jun 15, 2026 | Gustavson Timothy B. | Chief Accounting Officer | Tax withholding (F) | 1K | $10K |
| Jun 15, 2026 | Gustavson Timothy B. | Chief Accounting Officer | Option exercise (M) | 2K | $0 |
| Jun 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Option exercise (M) | 102K | $0 |
| Jun 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Tax withholding (F) | 51K | $438K |
| Jun 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Option exercise (M) | 38K | $0 |
| Jun 15, 2026 | Glass Ethan Charles | Chief Legal Officer | Option exercise (M) | 64K | $0 |
| Jun 15, 2026 | Wahlers Scott R. | CFO | Option exercise (M) | 47K | $0 |
| Jun 15, 2026 | Wahlers Scott R. | CFO | Tax withholding (F) | 24K | $208K |
| Jun 15, 2026 | Wahlers Scott R. | CFO | Option exercise (M) | 28K | $0 |
| Jun 15, 2026 | Wahlers Scott R. | CFO | Option exercise (M) | 20K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 125 funds | $71.9B |
| MICROSOFT CORPMSFT | 122 funds | $46.1B |
| AMAZON.COM INCAMZN | 121 funds | $38.7B |
| BROADCOM INCAVGO | 120 funds | $25.3B |
| ALPHABET INC-CL AGOOGL | 117 funds | $29.7B |
| META PLATFORMS INC-CLASS AMETA | 117 funds | $21.9B |
| APPLE INCAAPL | 116 funds | $57.7B |
| TESLA INCTSLA | 116 funds | $16.3B |
| ELI LILLY & COLLY | 116 funds | $12.8B |
| MICRON TECHNOLOGY INCMU | 114 funds | $8.9B |
| NETFLIX INCNFLX | 114 funds | $6.5B |
| VISA INC-CLASS A SHARESV | 113 funds | $9.7B |
Ranked by how many of COMP'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 COMP. 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.