| AIGH Capital Management LLC | 4,156,891 | $7,773,386 | 2.56% |
|---|
| Telemetry Investments, L.L.C. | 483,000 | $903 | 1.43% |
|---|
| Omega Fund Management, LLC | 1,971,241 | $3,686,221 | 1.24% |
|---|
| Worth Venture Partners, LLC | 1,022,475 | $1,912,028 | 1.13% |
|---|
| CM Management, LLC | 345,000 | $645 | 0.77% |
|---|
| Bruce & Co., Inc. | 1,557,312 | $2,912,173 | 0.75% |
|---|
| Trellus Management Company, LLC | 295,000 | $551,650 | 0.70% |
|---|
| Abingworth LLP | 1,041,131 | $1,946,915 | 0.63% |
|---|
| GENERAL AMERICAN INVESTORS CO INC | 1,884,393 | $3,523,815 | 0.34% |
|---|
| PERKINS CAPITAL MANAGEMENT INC | 45,700 | $85 | 0.09% |
|---|
| Rock Springs Capital Management LP | 1,734,037 | $3,242,649 | 0.08% |
|---|
| XTX Topco Ltd | 80,387 | $150,324 | 0.03% |
|---|
| NEXPOINT ASSET MANAGEMENT, L.P. | 114,770 | $214,620 | 0.02% |
|---|
| Teton Advisors, Inc. | 34,500 | $64,515 | 0.02% |
|---|
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 222,700 | $416,449 | 0.01% |
|---|
| Kathmere Capital Management, LLC | 60,000 | $122,100 | 0.01% |
|---|
| WATER ISLAND CAPITAL LLC | 38,060 | $71 | 0.01% |
|---|
| BROWN BROTHERS HARRIMAN & CO | 287,902 | $538,377 | 0.01% |
|---|
| J. Goldman & Co LP | 50,375 | $94,201 | 0.01% |
|---|
| MIRABELLA FINANCIAL SERVICES LLP | 17,544 | $32,807 | 0.00% |
|---|