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

ZENDESK INC's ticker is ZEN and the CUSIP is 98936J101. A total of 313 filers reported holding ZENDESK INC in Q4 2018. The put-call ratio across all filers is 0.56 and the average weighting 0.4%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ZENDESK INC
ValueSharesWeighting
Q2 2022$774,000
-95.1%
10,451
-92.0%
0.00%
-93.8%
Q1 2022$15,664,000
+764.5%
130,220
+649.6%
0.02%
+1500.0%
Q4 2021$1,812,000
+1869.6%
17,372
+1340.5%
0.00%0.0%
Q4 2019$92,000
-86.6%
1,206
-84.4%
0.00%
-83.3%
Q2 2019$688,000
+72.9%
7,732
+65.2%
0.01%
+50.0%
Q1 2019$398,000
-56.2%
4,679
-63.4%
0.00%
-42.9%
Q3 2018$909,000
+106.6%
12,796
+58.6%
0.01%
+75.0%
Q2 2018$440,000
-29.5%
8,069
-56.3%
0.00%0.0%
Q4 2017$624,000
+170.1%
18,450
+132.9%
0.00%
+100.0%
Q3 2017$231,000
+22.2%
7,923
+16.7%
0.00%0.0%
Q2 2017$189,000
-47.8%
6,791
-42.4%
0.00%
-50.0%
Q3 2016$362,000
-32.1%
11,786
-41.6%
0.00%
-33.3%
Q2 2016$533,000
+229.0%
20,190
+161.0%
0.01%
+200.0%
Q1 2016$162,000
-39.6%
7,737
-43.2%
0.00%
-50.0%
Q3 2015$268,000
+712.1%
13,614
+809.4%
0.00%
Q2 2015$33,000
-40.0%
1,497
-38.0%
0.00%
-100.0%
Q1 2015$55,000
+1000.0%
2,415
+1023.3%
0.00%
Q4 2014$5,000
-93.5%
215
-94.0%
0.00%
-100.0%
Q3 2014$77,0003,5570.00%
Other shareholders
ZENDESK INC shareholders Q4 2018
NameSharesValueWeighting ↓
PSquared Asset Management AG 1,750,574$133,219,00030.75%
Twin Securities, Inc. 721,132$54,878,00025.56%
HARVEST MANAGEMENT LLC 256,612$19,528,00015.76%
SYQUANT CAPITAL SAS 330,100$25,121,00015.26%
Beryl Capital Management LLC 1,394,277$106,104,00011.26%
KRYGER CAPITAL Ltd 1,088,121$82,806,00011.19%
RAMIUS ADVISORS LLC 268,237$20,413,00010.03%
TIG Advisors, LLC 3,438,087$261,638,0009.52%
Kellner Capital, LLC 171,700$13,066,0007.40%
Vazirani Asset Management LLC 80,000$6,088,0006.53%
View complete list of ZENDESK INC shareholders