| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $7.2M | 3.8M | ▲New +3.8M sh | Q1 2026 | |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $4.9M | 2.6M | ▲+58% Added · +951K sh | Q1 2026 | |
| 3 | Kynam Capital Management, LP | $4.8M | 2.5M | —Held | Q1 2026 | |
| 4 | BlackRock, Inc. | $4.1M | 2.1M | ▲+0.1% Added · +2K sh | Q1 2026 | |
| 5 | TWO SIGMA INVESTMENTS, LP | $3.3M | 1.8M | ▲+73% Added · +740K sh | Q1 2026 | |
| 6 | BANK OF AMERICA CORP /DE/ | $2.5M | 1.3M | ▲+31% Added · +304K sh | Q1 2026 | |
| 7 | Aberdeen Group plc | $2.3M | 1.2M | ▼−13% Reduced · −176K sh | Q1 2026 | |
| 8 | MARSHALL WACE, LLP | $2.3M | 1.2M | ▲+37% Added · +325K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $2.0M | 1.1M | ▲+40% Added · +307K sh | Q1 2026 | |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | $1.9M | 1.0M | ▲+4.2% Added · +41K sh | Q1 2026 | |
| 11 | PFM Health Sciences, LP | $1.8M | 958K | —Held | Q1 2026 | |
| 12 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 837K | ▼−19% Reduced · −194K sh | Q1 2026 | |
| 13 | FMR LLC | $1.4M | 724K | ▼−0.3% Reduced · −2K sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $1.3M | 673K | ▼−33% Reduced · −333K sh | Q1 2026 | |
| 15 | MAVERICK CAPITAL LTD | $1.2M | 653K | —Held | Q1 2026 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1.1M | 560K | ▲+0.7% Added · +4K sh | Q1 2026 | |
| 17 | VANGUARD FIDUCIARY TRUST CO | $988K | 520K | ▲New +520K sh | Q1 2026 | |
| 18 | STATE STREET CORP | $804K | 423K | —Held | Q1 2026 | |
| 19 | GOLDMAN SACHS GROUP INC | $716K | 377K | ▼−23% Reduced · −113K sh | Q1 2026 | |
| 20 | JACOBS LEVY EQUITY MANAGEMENT, INC | $682K | 359K | ▼−56% Reduced · −465K sh | Q1 2026 | |
| 21 | XTX Topco Ltd | $615K | 323K | ▼−22% Reduced · −90K sh | Q1 2026 | |
| 22 | WELLS FARGO & COMPANY/MN | $577K | 304K | ▲+114% Added · +162K sh | Q1 2026 | |
| 23 | UBS Group AG | $492K | 259K | ▼−59% Reduced · −379K sh | Q1 2026 | |
| 24 | MORGAN STANLEY | $466K | 245K | ▼−18% Reduced · −53K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $414K | 218K | —Held | 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 33 funds | $13.2B |
| AMAZON.COM INCAMZN | 33 funds | $11.4B |
| NVIDIA CORPNVDA | 32 funds | $22.4B |
| BROADCOM INCAVGO | 32 funds | $7.8B |
| ALPHABET INC-CL CGOOG | 32 funds | $7.2B |
| COSTCO WHOLESALE CORPCOST | 32 funds | $3.1B |
| NETFLIX INCNFLX | 32 funds | $1.7B |
| LINDE PLCLIN | 32 funds | $1.1B |
| META PLATFORMS INC-CLASS AMETA | 31 funds | $6.4B |
| MICRON TECHNOLOGY INCMU | 31 funds | $4.0B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 31 funds | $4.0B |
| TESLA INCTSLA | 31 funds | $3.9B |
Ranked by how many of CRBU's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Feb 25, 2026 | Kelly Timothy P | Chief Technology Officer | Sell (S) | 6K | $12K |
| Feb 24, 2026 | MCCLUNG BARBARA G | Chief Legal Officer | Sell (S) | 7K | $14K |
| Feb 24, 2026 | Kelly Timothy P | Chief Technology Officer | Sell (S) | 3K | $6K |
| Feb 24, 2026 | Khan Ruhi Ahmad | Chief Business Officer | Sell (S) | 7K | $14K |
| Feb 24, 2026 | Albertson Tina M. | Chief Medical Officer | Sell (S) | 1K | $2K |
| Mar 14, 2025 | Haurwitz Rachel E. | President and CEO, Director | Buy (P) | 20K | $20K |
| Feb 21, 2025 | MCCLUNG BARBARA G | Chief Legal Officer | Sell (S) | 4K | $5K |
| Feb 21, 2025 | Kanner Steven | Chief Scientific Officer | Sell (S) | 4K | $5K |
| Feb 21, 2025 | Khan Ruhi Ahmad | Chief Business Officer | Sell (S) | 4K | $5K |
| Jan 29, 2025 | Ryali Sriram | Chief Financial Officer | Buy (P) | 17K | $25K |
| Jan 19, 2023 | Rizvi Syed Ali-aamir | Chief Medical Officer | Sell (S) | 6K | $36K |
| Oct 6, 2022 | Fischesser Ryan | VP of Finance and Controller | Sell (S) | 10K | $108K |
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/CRBU/capital-change-brief"
Use Arkolith's capital_change_brief for CRBU. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for CRBU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.