SURFACE ONCOLOGY INC's ticker is SURF and the CUSIP is 86877M209. A total of 92 filers reported holding SURFACE ONCOLOGY INC in Q1 2021. The put-call ratio across all filers is 1.45 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $138,000 | +23.2% | 28,800 | +95.9% | 0.00% | 0.0% |
| Q3 2021 | $112,000 | -70.4% | 14,700 | -69.7% | 0.00% | -80.0% |
| Q1 2021 | $378,000 | -35.4% | 48,522 | -23.3% | 0.01% | -37.5% |
| Q4 2020 | $585,000 | -16.9% | 63,268 | -38.0% | 0.01% | -38.5% |
| Q3 2020 | $704,000 | -26.1% | 102,100 | -29.7% | 0.01% | 0.0% |
| Q2 2020 | $952,000 | – | 145,200 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 2,945,453 | $21,972,000 | 3.87% |
| ACT CAPITAL MANAGEMENT, LLC | 170,500 | $1,272,000 | 0.65% |
| Parkman Healthcare Partners LLC | 228,267 | $1,703,000 | 0.37% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 94,539 | $705,000 | 0.31% |
| C M BIDWELL & ASSOCIATES LTD | 33,030 | $246,000 | 0.16% |
| GSA CAPITAL PARTNERS LLP | 115,147 | $859,000 | 0.10% |
| Knights of Columbus Asset Advisors LLC | 113,594 | $847,000 | 0.08% |
| ARK Investment Management | 4,478,546 | $33,410,000 | 0.06% |
| Ipswich Investment Management Co., Inc. | 32,000 | $239,000 | 0.06% |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | 27,400 | $204,000 | 0.04% |