RUBIUS THERAPEUTICS INC's ticker is RUBY and the CUSIP is 78116T103. A total of 58 filers reported holding RUBIUS THERAPEUTICS INC in Q4 2018. The put-call ratio across all filers is - and the average weighting 1.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $0 | – | 0 | – | 0.00% | – |
| Q1 2021 | $0 | – | 0 | – | 0.00% | – |
| Q4 2020 | $0 | – | 0 | – | 0.00% | – |
| Q3 2020 | $0 | – | 0 | – | 0.00% | – |
| Q2 2020 | $0 | – | 0 | – | 0.00% | – |
| Q1 2020 | $0 | – | 0 | – | 0.00% | – |
| Q4 2019 | $0 | – | 0 | – | 0.00% | – |
| Q3 2019 | $0 | -100.0% | 0 | -100.0% | 0.00% | – |
| Q4 2018 | $2,000 | -89.5% | 100 | -87.2% | 0.00% | -100.0% |
| Q3 2018 | $19,000 | – | 779 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ARCH Venture Management, LLC | 2,618,351 | $20,554,000 | 22.50% |
| Flagship Pioneering Inc. | 38,296,526 | $300,628,000 | 16.44% |
| HARBOURVEST PARTNERS LLC | 986,878 | $7,747,000 | 3.22% |
| Artal Group S.A. | 2,833,791 | $22,246,000 | 0.89% |
| EcoR1 Capital, LLC | 260,152 | $2,042,000 | 0.26% |
| Cormorant Asset Management, LP | 491,700 | $3,860,000 | 0.24% |
| Nikko Asset Management Americas, Inc. | 1,456,842 | $11,436,000 | 0.20% |
| ARK Investment Management | 730,890 | $5,737,000 | 0.12% |
| Leap Investments LP | 16,300 | $128,000 | 0.06% |
| Baillie Gifford | 4,240,767 | $33,290,000 | 0.04% |