Among active 13F managers last quarter, 6 opened and 13 added, while 12 reduced; the largest holder to move was Renaissance Technologies LLC (+58%). No open-market insider trades in the last 180 days.
Funds lean in and no leg opposes.
122 tracked 13F filers disclose a position in CRBU as of the latest SEC 13F filings, a combined $76.8M in reported value. 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.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 7.8M | $13.8M | ▲+265% Added · +5.7M sh | Q2 2026 | |
| 2 | Pfizer Inc | 4.7M | $7.9M | —Held | Q2 2026 | |
| 3 | Vanguard Capital Management LLC | 4.2M | $7.4M | ▲+12% Added · +441K sh | Q2 2026 | |
| 4 | Renaissance Technologies LLC | 2.6M | $4.9M | ▲+58% Added · +951K sh | Q1 2026 | |
| 5 | Kynam Capital Management, LP | 2.5M | $4.4M | —Held | Q2 2026 | |
| 6 | Geode Capital Management, LLC | 2.4M | $4.2M | ▲+133% Added · +1.4M sh | Q2 2026 | |
| 7 | Two Sigma Investments, LP | 1.8M | $3.3M | ▲+73% Added · +740K sh | Q1 2026 | |
| 8 | State Street Corp | 1.6M | $2.9M | ▲+286% Added · +1.2M sh | Q2 2026 | |
| 9 | Bank Of America Corp | 1.3M | $2.5M | ▲+31% Added · +304K sh | Q1 2026 | |
| 10 | Aberdeen Group plc | 1.2M | $2.3M | ▼−13% Reduced · −176K sh | Q1 2026 | |
| 11 | Marshall Wace, LLP | 1.2M | $2.3M | ▲+37% Added · +325K sh | Q1 2026 | |
| 12 | Millennium Management LLC | 1.1M | $2.0M | ▲+40% Added · +307K sh | Q1 2026 | |
| 13 | Susquehanna International Group, LLP | 837K | $1.6M | ▼−19% Reduced · −194K sh | Q1 2026 | |
| 14 | FMR LLC | 727K | $1.3M | ▲+0.4% Added · +3K sh | Q2 2026 | |
| 15 | Dimensional Fund Advisors LP | 673K | $1.3M | ▼−33% Reduced · −333K sh | Q1 2026 | |
| 16 | Maverick Capital Ltd | 653K | $1.1M | —Held | Q2 2026 | |
| 17 | Vanguard Portfolio Management LLC | 614K | $1.1M | ▲New +614K sh | Q2 2026 | |
| 18 | Vanguard Fiduciary Trust Co | 606K | $1.1M | ▲+17% Added · +86K sh | Q2 2026 | |
| 19 | Charles Schwab Investment Management Inc | 560K | $1.1M | ▲+0.7% Added · +4K sh | Q1 2026 | |
| 20 | Jacobs Levy Equity Management, Inc | 411K | $723K | ▲+14% Added · +52K sh | Q2 2026 | |
| 21 | Goldman Sachs Group Inc | 377K | $716K | ▼−23% Reduced · −113K sh | Q1 2026 | |
| 22 | Green Alpha Advisors, LLC | 364K | $641K | ▼−2.5% Reduced · −9K sh | Q2 2026 | |
| 23 | PFM Health Sciences, LP | 355K | $624K | ▼−63% Reduced · −603K sh | Q2 2026 | |
| 24 | XTX Topco Ltd | 323K | $615K | ▼−22% Reduced · −90K sh | Q1 2026 | |
| 25 | Wells Fargo & Company | 304K | $577K | ▲+114% Added · +162K 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.
Last quarter, 6 funds opened a new position in CRBU and 13 added to an existing one, while 12 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Nvidia CorpNVDA | 57 funds | $57.2B |
| Eli Lilly & CoLLY | 56 funds | $10.0B |
| Microsoft CorpMSFT | 55 funds | $33.6B |
| Amazon.com IncAMZN | 55 funds | $30.1B |
| Broadcom IncAVGO | 54 funds | $19.7B |
| Meta Platforms Inc-Class AMETA | 54 funds | $16.0B |
| Advanced Micro DevicesAMD | 54 funds | $8.1B |
| Alphabet Inc-CL AGOOGL | 53 funds | $24.8B |
| Micron Technology IncMU | 53 funds | $11.6B |
| JPMorgan Chase & CoJPM | 53 funds | $9.0B |
| Lam Research CorpLRCX | 53 funds | $6.3B |
| Visa Inc-Class A SharesV | 53 funds | $6.1B |
Ranked by how many of CRBU's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CRBU.
| 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 |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 26 | 29 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for CRBU
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.