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/STAA/capital-change-brief"
Use Arkolith's capital_change_brief for STAA. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BROADWOOD CAPITAL INC | $301.5M | 16.1M | ▲+7.3% Added · +1.1M sh | Q1 2026 | |
| 2 | BlackRock, Inc. | $124.7M | 6.7M | ▼−9.4% Reduced · −694K sh | Q1 2026 | |
| 3 | Madison Avenue Partners, LP | $45.7M | 2.4M | ▲New +2.4M sh | Q1 2026 | |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | $39.7M | 2.1M | ▲New +2.1M sh | Q1 2026 | |
| 5 | STATE STREET CORP | $34.3M | 1.8M | ▼−5.5% Reduced · −107K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $31.6M | 1.7M | ▲New +1.7M sh | Q1 2026 | |
| 7 | Anatole Investment Management Ltd | $30.0M | 1.6M | ▲New +1.6M sh | Q1 2026 | |
| 8 | MORGAN STANLEY | $28.0M | 1.5M | ▲+61% Added · +570K sh | Q1 2026 | |
| 9 | GOLDMAN SACHS GROUP INC | $20.0M | 1.1M | ▼−48% Reduced · −1.0M sh | Q1 2026 | |
| 10 | CITADEL ADVISORS LLC | $19.8M | 1.1M | ▲+416% Added · +854K sh | Q1 2026 | |
| 11 | Two Seas Capital LP | $19.4M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $19.0M | 1.0M | ▼−16% Reduced · −194K sh | Q1 2026 | |
| 13 | AMERICAN CAPITAL MANAGEMENT INC | $16.4M | 878K | ▲+19% Added · +138K sh | Q1 2026 | |
| 14 | Point72 Asset Management, L.P. | $15.4M | 823K | ▲New +823K sh | Q1 2026 | |
| 15 | DIMENSIONAL FUND ADVISORS LP | $15.3M | 821K | ▲+39% Added · +231K sh | Q1 2026 | |
| 16 | Quinn Opportunity Partners LLC | $11.8M | 633K | ▲+39% Added · +178K sh | Q1 2026 | |
| 17 | TWO SIGMA INVESTMENTS, LP | $10.5M | 560K | ▲+391% Added · +446K sh | Q1 2026 | |
| 18 | JANE STREET GROUP, LLC | $8.3M | 442K | ▲+34% Added · +113K sh | Q1 2026 | |
| 19 | Defender Capital, LLC. | $12.4M | 431K | ▼−33% Reduced · −213K sh | Q2 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $7.6M | 409K | ▼−15% Reduced · −72K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $7.5M | 400K | ▼−16% Reduced · −76K sh | Q1 2026 | |
| 22 | Squarepoint Ops LLC | $6.5M | 347K | ▲New +347K sh | Q1 2026 | |
| 23 | VANGUARD FIDUCIARY TRUST CO | $6.0M | 322K | ▲New +322K sh | Q1 2026 | |
| 24 | PRINCIPAL FINANCIAL GROUP INC | $4.5M | 242K | ▼−8.1% Reduced · −21K sh | Q1 2026 | |
| 25 | Bank of New York Mellon Corp | $4.3M | 232K | ▼−15% Reduced · −40K 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 |
|---|---|---|---|---|---|
| Jun 18, 2026 | LeBuhn Richard T. | Director | Grant (A) | 11K | $0 |
| Jun 18, 2026 | Bradsher Neal C | Director, 10% Owner | Grant (A) | 11K | $0 |
| Jun 18, 2026 | Wang Christopher Min Fang | Director | Grant (A) | 11K | $0 |
| Jun 18, 2026 | Butcher Arthur C | Director | Option exercise (M) | 5K | $0 |
| Jun 18, 2026 | Butcher Arthur C | Director | Option exercise (M) | 5K | $0 |
| Jun 18, 2026 | Butcher Arthur C | Director | Grant (A) | 4K | $0 |
| Jun 18, 2026 | Butcher Arthur C | Director | Grant (A) | 4K | $0 |
| Jun 18, 2026 | Jiang Wei | Director | Option exercise (M) | 11K | $0 |
| Jun 18, 2026 | Jiang Wei | Director | Option exercise (M) | 11K | $0 |
| Jun 18, 2026 | Jiang Wei | Director | Grant (A) | 6K | $0 |
| Jun 18, 2026 | SILVERMAN LOU | Director | Option exercise (M) | 11K | $0 |
| Jun 18, 2026 | SILVERMAN LOU | Director | Option exercise (M) | 11K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 53 funds | $23.5B |
| AMAZON.COM INCAMZN | 53 funds | $17.4B |
| MICRON TECHNOLOGY INCMU | 53 funds | $5.3B |
| BANK OF AMERICA CORPBAC | 53 funds | $2.5B |
| APPLE INCAAPL | 52 funds | $28.2B |
| META PLATFORMS INC-CLASS AMETA | 52 funds | $10.2B |
| ELI LILLY & COLLY | 52 funds | $6.2B |
| BOOKING HOLDINGS INCBKNG | 52 funds | $2.4B |
| BOSTON SCIENTIFIC CORPBSX | 52 funds | $1.8B |
| O'REILLY AUTOMOTIVE INCORLY | 52 funds | $1.6B |
| ALPHABET INC-CL AGOOGL | 51 funds | $14.8B |
| BROADCOM INCAVGO | 51 funds | $13.0B |
Ranked by how many of STAA'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 STAA. 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.