GROUP ONE TRADING, L.P. - CM LIFE SCIENCES INC ownership

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CM LIFE SCIENCES INC's ticker is and the CUSIP is 18978W909. A total of 3 filers reported holding CM LIFE SCIENCES INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CM LIFE SCIENCES INC
ValueSharesWeighting
Q2 2021$1,870,000
-20.3%
133,500
-15.2%
0.00%
-33.3%
Q1 2021$2,345,000–157,500–0.00%–
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Other shareholders
CM LIFE SCIENCES INC shareholders Q1 2021
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 1,384$2,060,0000.00%
GROUP ONE TRADING, L.P. 157,500$2,345,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of CM LIFE SCIENCES INC shareholders