Calamos Advisors LLC - PIONEER NAT RES CO ownership

PIONEER NAT RES CO's ticker is and the CUSIP is 723787907. A total of 7 filers reported holding PIONEER NAT RES CO in Q4 2019. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of PIONEER NAT RES CO
ValueSharesWeighting
Q4 2019$6,812,000
+20.4%
45,0000.0%0.03%
+9.7%
Q3 2019$5,660,000
-18.3%
45,0000.0%0.03%
-18.4%
Q2 2019$6,924,000
-36.9%
45,000
-22.4%
0.04%
-43.3%
Q2 2018$10,976,000
-25.7%
58,000
-32.6%
0.07%
-30.2%
Q1 2018$14,774,000
+10.6%
86,000
+11.3%
0.10%
+41.2%
Q4 2017$13,361,00077,3000.07%
Other shareholders
PIONEER NAT RES CO shareholders Q4 2019
NameSharesValueWeighting ↓
Twin Tree Management, LP 379,500$86,674,0050.19%
GROUP ONE TRADING, L.P. 190,200$43,439,7780.10%
Garda Capital Partners LP 6,000$1,370,3400.08%
JANE STREET GROUP, LLC 212,300$48,487,1970.02%
SIMPLEX TRADING, LLC 69,500$15,8730.02%
Maven Securities LTD 2,600$593,8140.01%
JPMORGAN CHASE & CO 348,900$79,6850.01%
Allianz Asset Management GmbH 1,600$365,4240.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of PIONEER NAT RES CO shareholders