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

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GRIDSUM HLDG INC's ticker is and the CUSIP is 398132900. A total of 1 filers reported holding GRIDSUM HLDG INC in Q4 2018. 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
Q2 2019$22,000
+175.0%
7,800
+178.6%
0.00%–
Q1 2019$8,000
-90.7%
2,800
-79.1%
0.00%
-100.0%
Q3 2018$86,000
-25.2%
13,400
-18.8%
0.00%0.0%
Q2 2018$115,000
-27.7%
16,500
-15.4%
0.00%
-50.0%
Q1 2018$159,000–19,500–0.00%–
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Other shareholders
GRIDSUM HLDG INC shareholders Q4 2018
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
GROUP ONE TRADING, L.P. 7,800$22,0000.00%
View complete list of GRIDSUM HLDG INC shareholders