Price chart (1D to 10Y)
Licensed market data — shown to members, not published to the open web.
Super Investors
SEC Form 13F · quarter ended 30 Jun 2026| Fund / manager | Portfolio weight | Reported value |
|---|---|---|
| Magnetar Capital · Alec Litowitz | 0.07% | $7.98M |
| Hudson Bay Capital · Sander Gerber | 0.00% | $3.49M |
| Adage Capital Mgmt · Phillip Gross | 0.00% | $4.49M |
| Millennium Management · Israel Englander | 0.00% | $5.98M |
| Two Sigma Investments · David Siegel, John Overdeck | 0.00% | $2.71M |
| Schonfeld Strategic · Ryan Schonfeld | 0.00% | $99.80K |
Congress
House & Senate disclosuresNo member of Congress has disclosed a BLRK position.
A snapshot of reported ownership. Congress reports value ranges; Super Investors report quarterly 13F positions. Dates differ and positions may have changed since filing.
Source: SEC filings. Information and analytics, not investment advice.