Calamos Advisors LLC - ZENDESK INC ownership

ZENDESK INC's ticker is ZEN and the CUSIP is 98936J101. A total of 468 filers reported holding ZENDESK INC in Q3 2021. The put-call ratio across all filers is 0.69 and the average weighting 0.2%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of ZENDESK INC
ValueSharesWeighting
Q3 2022$3,957,000
+2.7%
52,0000.0%0.02%
+5.9%
Q2 2022$3,852,000
-77.6%
52,000
-64.7%
0.02%
-77.3%
Q3 2021$17,170,000
+7.9%
147,513
-18.0%
0.08%
-33.6%
Q2 2020$15,919,000
-7.2%
179,813
-32.9%
0.11%
-16.3%
Q1 2020$17,153,000
+4.1%
267,967
+24.6%
0.14%
+66.7%
Q4 2019$16,481,000
+5.0%
215,077
-0.1%
0.08%
-4.7%
Q3 2019$15,693,000
-1.5%
215,328
+20.4%
0.08%
-3.4%
Q2 2019$15,929,000
-19.4%
178,917
-23.1%
0.09%
-28.5%
Q1 2019$19,769,000
+46.6%
232,580
+0.7%
0.12%
+38.2%
Q4 2018$13,488,000
-49.1%
231,070
-58.3%
0.09%
-48.3%
Q1 2018$26,506,000
-45.6%
553,690
-61.6%
0.17%
-30.6%
Q4 2017$48,741,000
+1.8%
1,440,327
-12.5%
0.25%
-33.0%
Q3 2017$47,896,000
+14.0%
1,645,329
+8.8%
0.37%
+19.4%
Q2 2017$42,003,000
+69.5%
1,511,983
+71.1%
0.31%
+59.0%
Q1 2017$24,774,000883,5320.20%
Other shareholders
ZENDESK INC shareholders Q3 2021
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