| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | NEA Management Company, LLC | $14.7M | 1.3M | ▲+19% Added · +207K sh | Q1 2026 | |
| 2 | BALYASNY ASSET MANAGEMENT L.P. | $11.8M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 3 | Venrock Adviser, LLC | $11.4M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 4 | Affinity Asset Advisors, LLC | $8.0M | 707K | ▲New +707K sh | Q1 2026 | |
| 5 | Nantahala Capital Management, LLC | $7.5M | 660K | ▲+10% Added · +60K sh | Q1 2026 | |
| 6 | ADAR1 Capital Management, LLC | $6.1M | 540K | ▲New +540K sh | Q1 2026 | |
| 7 | BlackRock, Inc. | $5.2M | 460K | ▲+0.6% Added · +3K sh | Q1 2026 | |
| 8 | TCG Crossover Management, LLC | $4.7M | 416K | —Held | Q1 2026 | |
| 9 | Siren, L.L.C. | $3.9M | 348K | —Held | Q1 2026 | |
| 10 | VANGUARD CAPITAL MANAGEMENT LLC | $3.5M | 311K | →First observed position No prior filed position | Q1 2026 | |
| 11 | AQR CAPITAL MANAGEMENT LLC | $3.0M | 268K | ▲+559% Added · +227K sh | Q1 2026 | |
| 12 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $2.6M | 228K | ▲New +228K sh | Q1 2026 | |
| 13 | GEODE CAPITAL MANAGEMENT, LLC | $2.0M | 174K | ▲+6.7% Added · +11K sh | Q1 2026 | |
| 14 | TWO SIGMA INVESTMENTS, LP | $1.9M | 165K | ▲+110% Added · +86K sh | Q1 2026 | |
| 15 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.7M | 149K | →First observed position No prior filed position | Q1 2026 | |
| 16 | STATE STREET CORP | $1.6M | 140K | ▼−4.0% Reduced · −6K sh | Q1 2026 | |
| 17 | RENAISSANCE TECHNOLOGIES LLC | $1.5M | 136K | ▲+82% Added · +61K sh | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $1.3M | 116K | ▼−60% Reduced · −173K sh | Q1 2026 | |
| 19 | Kalehua Capital Management LLC | $1.2M | 109K | ▲New +109K sh | Q1 2026 | |
| 20 | JPMORGAN CHASE & CO | $704K | 69K | ▲24× Added · +66K sh | Q1 2026 | |
| 21 | MILLENNIUM MANAGEMENT LLC | $720K | 64K | ▼−61% Reduced · −97K sh | Q1 2026 | |
| 22 | EMERALD MUTUAL FUND ADVISERS TRUST | $712K | 63K | ▼−4.1% Reduced · −3K sh | Q1 2026 | |
| 23 | XTX Topco Ltd | $685K | 60K | ▲+6.0% Added · +3K sh | Q1 2026 | |
| 24 | NORTHERN TRUST CORP | $653K | 58K | ▲+3.7% Added · +2K sh | Q1 2026 | |
| 25 | Trexquant Investment LP | $636K | 56K | ▲New +56K 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.
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 23 funds | $5.7B |
| AMAZON.COM INCAMZN | 23 funds | $5.2B |
| BROADCOM INCAVGO | 23 funds | $3.3B |
| MICRON TECHNOLOGY INCMU | 23 funds | $2.6B |
| TESLA INCTSLA | 23 funds | $2.3B |
| BOEING CO/THEBA | 23 funds | $506.8M |
| COGENT BIOSCIENCES INCCOGT | 23 funds | $461.6M |
| DATADOG INC - CLASS ADDOG | 23 funds | $432.9M |
| SAVARA INCSVRA | 23 funds | $334.7M |
| REVOLUTION MEDICINES INCRVMD | 23 funds | $272.1M |
| ROBINHOOD MARKETS INC - AHOOD | 23 funds | $209.2M |
| ATI INCATI | 23 funds | $150.3M |
Ranked by how many of KRRO's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jul 6, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 817 | $11K |
| Jul 6, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 9K | $119K |
| Jul 2, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 86K | $1.2M |
| Jul 2, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 15K | $207K |
| Jun 24, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 41K | $594K |
| Jun 24, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 666 | $10K |
| Jun 24, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 7K | $102K |
| Jun 24, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 114 | $2K |
| Jun 23, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 102K | $1.4M |
| Jun 23, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 17K | $248K |
| Jun 22, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 3K | $47K |
| Jun 22, 2026 | FORMELA JEAN FRANCOIS | Director | Sell (S) | 580 | $8K |
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/KRRO/capital-change-brief"
Use Arkolith's capital_change_brief for KRRO. 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 KRRO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.