GROUP ONE TRADING, L.P. - CHIASMA INC ownership

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CHIASMA INC's ticker is and the CUSIP is 16706W902. A total of 3 filers reported holding CHIASMA 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 CHIASMA INC
ValueSharesWeighting
Q2 2021$47,000
-36.5%
9,900
-58.1%
0.00%–
Q1 2021$74,000
+60.9%
23,600
+124.8%
0.00%–
Q4 2020$46,000
+142.1%
10,500
+191.7%
0.00%–
Q2 2020$19,000
+72.7%
3,600
+20.0%
0.00%–
Q1 2020$11,000–3,000–0.00%–
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Other shareholders
CHIASMA INC shareholders Q1 2021
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 23,600$74,0000.00%
SIMPLEX TRADING, LLC 57$17,0000.00%
View complete list of CHIASMA INC shareholders