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/KROS/capital-change-brief"
Use Arkolith's capital_change_brief for KROS. 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. | $26.6M | 2.4M | ▲+5.3% Added · +121K sh | Q1 2026 | |
| 2 | Nantahala Capital Management, LLC | $15.0M | 1.4M | ▲+277% Added · +1.0M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $9.2M | 831K | ▲New +831K sh | Q1 2026 | |
| 4 | ORBIMED ADVISORS LLC | $8.4M | 759K | ▼−5.6% Reduced · −45K sh | Q1 2026 | |
| 5 | Qube Research & Technologies Ltd | $8.0M | 725K | ▼−7.5% Reduced · −59K sh | Q1 2026 | |
| 6 | JACOBS LEVY EQUITY MANAGEMENT, INC | $7.8M | 706K | ▼−8.1% Reduced · −62K sh | Q1 2026 | |
| 7 | FEDERATED HERMES, INC. | $7.6M | 689K | ▲+5.3% Added · +35K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $7.5M | 682K | ▲New +682K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $7.5M | 681K | ▲+7.3% Added · +46K sh | Q1 2026 | |
| 10 | Madison Avenue Partners, LP | $6.9M | 627K | ▼−24% Reduced · −197K sh | Q1 2026 | |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $6.5M | 590K | ▼−56% Reduced · −744K sh | Q1 2026 | |
| 12 | STATE STREET CORP | $6.2M | 562K | ▼−48% Reduced · −514K sh | Q1 2026 | |
| 13 | D. E. Shaw & Co., Inc. | $5.6M | 510K | ▼−33% Reduced · −246K sh | Q1 2026 | |
| 14 | RENAISSANCE TECHNOLOGIES LLC | $5.0M | 453K | ▼−23% Reduced · −138K sh | Q1 2026 | |
| 15 | CITADEL ADVISORS LLC | $4.5M | 407K | ▼−14% Reduced · −66K sh | Q1 2026 | |
| 16 | AQR CAPITAL MANAGEMENT LLC | $4.5M | 407K | ▲+125% Added · +226K sh | Q1 2026 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $4.0M | 364K | ▲+14% Added · +45K sh | Q1 2026 | |
| 18 | DIMENSIONAL FUND ADVISORS LP | $3.5M | 321K | ▲+454% Added · +263K sh | Q1 2026 | |
| 19 | Nuveen, LLC | $2.9M | 262K | ▲+315% Added · +199K sh | Q1 2026 | |
| 20 | Connor, Clark & Lunn Investment Management Ltd. | $2.8M | 258K | ▼−20% Reduced · −63K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $2.8M | 254K | ▲+1.4% Added · +4K sh | Q1 2026 | |
| 22 | Man Group plc | $2.6M | 239K | ▲+25% Added · +48K sh | Q1 2026 | |
| 23 | GOLDMAN SACHS GROUP INC | $2.5M | 224K | ▼−62% Reduced · −366K sh | Q1 2026 | |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $2.2M | 195K | ▲+225% Added · +135K sh | Q1 2026 | |
| 25 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $2.0M | 180K | ▼−3.6% Reduced · −7K 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 15, 2026 | BIENAIME JEAN JACQUES | Director | Buy (P) | 1K | $11K |
| Jul 1, 2026 | Prener Anne | Director | Grant (A) | 14K | $0 |
| Jul 1, 2026 | Prener Anne | Director | Grant (A) | 15K | $0 |
| Jun 15, 2026 | BIENAIME JEAN JACQUES | Director | Buy (P) | 1K | $10K |
| Jun 11, 2026 | Newton Charles W. | Director | Sell (S) | 550 | $6K |
| Jun 4, 2026 | Seth Alpna | Director | Sell (S) | 3K | $28K |
| Jun 4, 2026 | Farzan Nima | Director | Sell (S) | 3K | $28K |
| Jun 4, 2026 | Knowles Julius | Director | Sell (S) | 3K | $28K |
| Jun 3, 2026 | GRAY MARY ANN | Director | Grant (A) | 7K | $0 |
| Jun 3, 2026 | GRAY MARY ANN | Director | Grant (A) | 7K | $0 |
| Jun 3, 2026 | Seth Alpna | Director | Grant (A) | 7K | $0 |
| Jun 3, 2026 | Seth Alpna | Director | Grant (A) | 7K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 45 funds | $22.9B |
| BROADCOM INCAVGO | 45 funds | $14.1B |
| META PLATFORMS INC-CLASS AMETA | 45 funds | $11.0B |
| ELI LILLY & COLLY | 45 funds | $5.8B |
| AMAZON.COM INCAMZN | 44 funds | $16.6B |
| COSTCO WHOLESALE CORPCOST | 44 funds | $4.2B |
| SANDISK CORPSNDK | 44 funds | $1.6B |
| ALPHABET INC-CL AGOOGL | 43 funds | $14.2B |
| MICRON TECHNOLOGY INCMU | 43 funds | $6.5B |
| VISA INC-CLASS A SHARESV | 43 funds | $4.2B |
| APPLIED MATERIALS INCAMAT | 43 funds | $3.7B |
| NETFLIX INCNFLX | 43 funds | $3.2B |
Ranked by how many of KROS'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 KROS. 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.