| Wellington Shields & Co., LLC | 604,267 | $731,163 | 0.18% |
|---|
| Green Alpha Advisors, LLC | 127,164 | $153,868 | 0.12% |
|---|
| Wellington Shields Capital Management, LLC | 657,737 | $795,862 | 0.10% |
|---|
| Bruce & Co., Inc. | 150,000 | $181,500 | 0.06% |
|---|
| ARK Investment Management | 5,719,427 | $6,920,507 | 0.05% |
|---|
| PACIFIC HEIGHTS ASSET MANAGEMENT LLC | 310,000 | $375,100 | 0.04% |
|---|
| Nikko Asset Management Americas, Inc. | 1,083,685 | $1,311,259 | 0.02% |
|---|
| GSA CAPITAL PARTNERS LLP | 137,358 | $166 | 0.01% |
|---|
| Alyeska Investment Group, L.P. | 1,245,668 | $1,507,258 | 0.01% |
|---|
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 154,500 | $186,945 | 0.01% |
|---|
| STATE OF MICHIGAN RETIREMENT SYSTEM | 443,798 | $536,996 | 0.00% |
|---|
| HOWLAND CAPITAL MANAGEMENT LLC | 37,844 | $45,792 | 0.00% |
|---|
| JACOBS LEVY EQUITY MANAGEMENT, INC | 444,903 | $538,333 | 0.00% |
|---|
| Virtu Financial LLC | 18,201 | $22 | 0.00% |
|---|
| ACADIAN ASSET MANAGEMENT LLC | 375,137 | $452 | 0.00% |
|---|
| HoyleCohen, LLC | 15,373 | $18,602 | 0.00% |
|---|
| Board of Trustees of The Leland Stanford Junior University | 25,262 | $30,568 | 0.00% |
|---|
| Renaissance Technologies | 552,475 | $668 | 0.00% |
|---|
| Parallel Advisors, LLC | 16,522 | $19,992 | 0.00% |
|---|
| Bragg Financial Advisors, Inc | 12,644 | $15,300 | 0.00% |
|---|