GROUP ONE TRADING, L.P. - SLACK TECHNOLOGIES INC ownership

SLACK TECHNOLOGIES INC's ticker is and the CUSIP is 83088V952. A total of 7 filers reported holding SLACK TECHNOLOGIES INC in Q1 2020. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of SLACK TECHNOLOGIES INC
ValueSharesWeighting
Q2 2021$9,356,000
-45.7%
211,200
-50.2%
0.01%
-57.7%
Q1 2021$17,239,000
-40.9%
424,300
-38.6%
0.03%
-48.0%
Q4 2020$29,167,000
+157.8%
690,500
+63.9%
0.05%
+38.9%
Q3 2020$11,316,000
-45.9%
421,300
-37.4%
0.04%
-62.9%
Q2 2020$20,930,000
+188.8%
673,200
+149.3%
0.10%
+64.4%
Q1 2020$7,247,000
+86.7%
270,000
+56.3%
0.06%
+126.9%
Q4 2019$3,882,000
+27.5%
172,700
+34.6%
0.03%
+4.0%
Q3 2019$3,045,000128,3000.02%
Other shareholders
SLACK TECHNOLOGIES INC shareholders Q1 2020
NameSharesValueWeighting ↓
SIMPLEX TRADING, LLC 3,857$15,670,0000.03%
HBK INVESTMENTS L P 141,000$5,729,0000.03%
GROUP ONE TRADING, L.P. 424,300$17,239,0000.03%
IMC-Chicago, LLC 144,500$5,871,0000.01%
CMT Capital Markets Trading GmbH 22,500$914,0000.01%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of SLACK TECHNOLOGIES INC shareholders