SURFACE ONCOLOGY INC's ticker is SURF and the CUSIP is 86877M209. A total of 72 filers reported holding SURFACE ONCOLOGY INC in Q1 2023. The put-call ratio across all filers is 0.27 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $20 | -77.3% | 29,251 | -72.7% | 0.00% | – |
| Q4 2022 | $88 | -100.0% | 107,317 | -74.3% | 0.00% | – |
| Q3 2022 | $434,000 | -38.6% | 417,765 | -3.0% | 0.00% | – |
| Q2 2022 | $707,000 | +128.1% | 430,808 | +309.8% | 0.00% | – |
| Q1 2022 | $310,000 | -47.5% | 105,119 | -14.7% | 0.00% | – |
| Q4 2021 | $590,000 | +212.2% | 123,270 | +396.3% | 0.00% | – |
| Q3 2021 | $189,000 | -57.4% | 24,838 | -58.3% | 0.00% | – |
| Q2 2021 | $444,000 | -38.6% | 59,506 | -35.8% | 0.00% | – |
| Q1 2021 | $723,000 | +72200.0% | 92,648 | +107630.2% | 0.00% | – |
| Q4 2020 | $1,000 | -98.5% | 86 | -99.2% | 0.00% | – |
| Q2 2020 | $68,000 | +78.9% | 10,388 | -48.9% | 0.00% | – |
| Q4 2019 | $38,000 | +26.7% | 20,317 | -3.7% | 0.00% | – |
| Q3 2019 | $30,000 | -57.7% | 21,101 | -17.1% | 0.00% | – |
| Q2 2019 | $71,000 | +343.8% | 25,455 | +628.3% | 0.00% | – |
| Q1 2019 | $16,000 | -46.7% | 3,495 | +28.3% | 0.00% | – |
| Q3 2018 | $30,000 | +233.3% | 2,724 | +412.0% | 0.00% | – |
| Q2 2018 | $9,000 | – | 532 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 2,945,453 | $2,061,817 | 9.68% |
| DAFNA Capital Management LLC | 1,100,000 | $768,680 | 0.23% |
| TANG CAPITAL MANAGEMENT LLC | 1,300,000 | $908,440 | 0.14% |
| EcoR1 Capital, LLC | 3,082,959 | $2,154,372 | 0.07% |
| ARK Investment Management | 5,496,146 | $3,840,707 | 0.03% |
| Forefront Analytics, LLC | 61,156 | $42,737 | 0.02% |
| GSA CAPITAL PARTNERS LLP | 230,292 | $161 | 0.02% |
| CORNERCAP INVESTMENT COUNSEL INC | 113,219 | $79,117 | 0.01% |
| Knights of Columbus Asset Advisors LLC | 157,769 | $110,249 | 0.01% |
| Nikko Asset Management Americas, Inc. | 999,026 | $649,367 | 0.01% |