GROUP ONE TRADING, L.P. - GRIDSUM HLDG INC ownership

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GRIDSUM HLDG INC's ticker is and the CUSIP is 398132950. A total of 2 filers reported holding GRIDSUM HLDG INC in Q2 2019. 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 GRIDSUM HLDG INC
ValueSharesWeighting
Q1 2019$12,000
-95.7%
4,000
-90.1%
0.00%
-100.0%
Q2 2018$282,000
-29.5%
40,500
-17.3%
0.00%
-50.0%
Q1 2018$400,000–49,000–0.00%–
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Other shareholders
GRIDSUM HLDG INC shareholders Q2 2019
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 145$40,0000.00%
View complete list of GRIDSUM HLDG INC shareholders