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 | $154 | -14.4% | 220 | 0.0% | 0.00% | – |
| Q4 2022 | $180 | – | 220 | -31.2% | 0.00% | – |
| Q3 2022 | $0 | -100.0% | 320 | 0.0% | 0.00% | – |
| Q2 2022 | $1,000 | 0.0% | 320 | 0.0% | 0.00% | – |
| Q1 2022 | $1,000 | -50.0% | 320 | 0.0% | 0.00% | – |
| Q4 2021 | $2,000 | 0.0% | 320 | +45.5% | 0.00% | – |
| Q3 2021 | $2,000 | +100.0% | 220 | +83.3% | 0.00% | – |
| Q2 2021 | $1,000 | – | 120 | +500.0% | 0.00% | – |
| Q1 2021 | $0 | – | 20 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Atlas Venture Associates IX, LLC | 2,945,453 | $22,297,000 | 7.41% |
| ACT CAPITAL MANAGEMENT, LLC | 170,500 | $1,291,000 | 0.67% |
| SummerHaven Investment Management, LLC | 128,078 | $970,000 | 0.57% |
| Parkman Healthcare Partners LLC | 248,267 | $1,879,000 | 0.48% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 50,000 | $379,000 | 0.21% |
| C M BIDWELL & ASSOCIATES LTD | 33,030 | $250,000 | 0.17% |
| ARK Investment Management | 4,618,354 | $34,961,000 | 0.08% |
| Knights of Columbus Asset Advisors LLC | 114,594 | $867,000 | 0.08% |
| Orbimed Advisors | 909,666 | $6,886,000 | 0.08% |
| HighVista Strategies LLC | 13,932 | $105,000 | 0.07% |