GROUP ONE TRADING, L.P. - CONSTELLATION PHARMCETICLS I ownership

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CONSTELLATION PHARMCETICLS I's ticker is and the CUSIP is 210373906. A total of 5 filers reported holding CONSTELLATION PHARMCETICLS I in Q2 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 CONSTELLATION PHARMCETICLS I
ValueSharesWeighting
Q2 2021$534,000
+721.5%
15,800
+464.3%
0.00%–
Q1 2021$65,000
+983.3%
2,800
+1300.0%
0.00%–
Q4 2020$6,000
-94.1%
200
-96.0%
0.00%–
Q3 2020$101,000
-32.7%
5,0000.0%0.00%
-100.0%
Q2 2020$150,000–5,000–0.00%–
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Other shareholders
CONSTELLATION PHARMCETICLS I shareholders Q2 2021
NameSharesValueWeighting ↓
Hudson Bay Capital Management LP 40,000$1,352,0000.02%
WATER ISLAND CAPITAL LLC 300,000$23,0000.00%
GROUP ONE TRADING, L.P. 15,800$534,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 9,800$331,0000.00%
View complete list of CONSTELLATION PHARMCETICLS I shareholders