GROUP ONE TRADING, L.P. - ATLANTIC PWR CORP ownership

ATLANTIC PWR CORP's ticker is AT and the CUSIP is 04878Q863. A total of 107 filers reported holding ATLANTIC PWR CORP in Q1 2015. The put-call ratio across all filers is 0.12 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of ATLANTIC PWR CORP
ValueSharesWeighting
Q1 2021$628,000
+1107.7%
217,306
+774.4%
0.00%
Q4 2020$52,000
-11.9%
24,852
-17.2%
0.00%
Q3 2020$59,000
+20.4%
30,000
+22.5%
0.00%
Q2 2020$49,000
-50.0%
24,490
-42.0%
0.00%
-100.0%
Q4 2019$98,000
-27.4%
42,201
-24.3%
0.00%0.0%
Q2 2019$135,000
-33.5%
55,731
-31.0%
0.00%
-50.0%
Q1 2019$203,000
-4.2%
80,731
-17.2%
0.00%0.0%
Q4 2018$212,000
-27.1%
97,495
-26.3%
0.00%0.0%
Q3 2018$291,000
-39.1%
132,292
-39.1%
0.00%
-50.0%
Q2 2018$478,000
+72.6%
217,292
+65.0%
0.00%
+33.3%
Q1 2018$277,000
+154.1%
131,692
+183.3%
0.00%
+200.0%
Q4 2017$109,000
+165.9%
46,492
+178.5%
0.00%
Q3 2017$41,000
+17.1%
16,692
+17.6%
0.00%
Q3 2016$35,000
-46.2%
14,189
-45.8%
0.00%
-100.0%
Q2 2016$65,000
+97.0%
26,189
+95.4%
0.00%
Q1 2016$33,000
+153.8%
13,400
+102.1%
0.00%
Q4 2015$13,000
-69.8%
6,631
-71.1%
0.00%
-100.0%
Q3 2015$43,000
+4200.0%
22,918
+7106.9%
0.00%
Q2 2015$1,000
-92.3%
318
-93.4%
0.00%
Q1 2015$13,000
-35.0%
4,802
-33.3%
0.00%
Q4 2014$20,000
-9.1%
7,202
-21.7%
0.00%
Q3 2014$22,000
-96.3%
9,195
-94.6%
0.00%
-100.0%
Q4 2013$590,000
+257.6%
169,557
+343.9%
0.01%
+200.0%
Q3 2013$165,000
-2.9%
38,194
-11.2%
0.00%
-25.0%
Q2 2013$170,00043,0300.00%
Other shareholders
ATLANTIC PWR CORP shareholders Q1 2015
NameSharesValueWeighting ↓
MANGROVE PARTNERS IM, LLC 7,572,927$18,326,0002.07%
Western Standard LLC 415,502$1,006,0000.74%
Walthausen & Co., LLC 1,558,290$3,771,0000.50%
Peak Asset Management, LLC 153,100$371,0000.12%
Curi RMB Capital, LLC 1,200,000$2,904,0000.07%
&PARTNERS 19,533$47,0000.06%
Connor, Clark & Lunn Investment Management Ltd. 2,281,191$5,516,0000.04%
OXFORD ASSET MANAGEMENT LLP 535,697$1,296,0000.03%
FIRST QUADRANT LLC/CA 147,864$358,0000.02%
Hillsdale Investment Management Inc. 103,200$249,0000.02%
View complete list of ATLANTIC PWR CORP shareholders