GROUP ONE TRADING, L.P. - OSI SYSTEMS INC ownership

OSI SYSTEMS INC's ticker is OSIS and the CUSIP is 671044105. A total of 183 filers reported holding OSI SYSTEMS INC in Q4 2014. The put-call ratio across all filers is 0.09 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q1 2020$47,000
-93.5%
689
-90.3%
0.00%
-100.0%
Q3 2019$718,000
+33.2%
7,068
+15.0%
0.01%0.0%
Q1 2019$539,000
-27.6%
6,148
-39.4%
0.01%0.0%
Q4 2018$744,000
-58.1%
10,146
-62.7%
0.01%
-66.7%
Q1 2018$1,774,000
-4.4%
27,183
-5.7%
0.02%
+38.5%
Q4 2017$1,856,000
-27.2%
28,826
-34.2%
0.01%
-56.7%
Q2 2016$2,548,000
-29.9%
43,833
-21.0%
0.03%
-41.2%
Q1 2016$3,633,000
+19021.1%
55,480
+25946.9%
0.05%
Q4 2015$19,000
-91.4%
213
-92.5%
0.00%
-100.0%
Q3 2015$220,000
-54.6%
2,856
-58.3%
0.00%
-57.1%
Q2 2015$485,000
+13.6%
6,856
+19.1%
0.01%0.0%
Q1 2015$427,000
+80.2%
5,756
+72.2%
0.01%
+75.0%
Q4 2014$237,000
-66.8%
3,342
-70.3%
0.00%
-63.6%
Q3 2014$714,000
+10.5%
11,242
+16.2%
0.01%
+10.0%
Q2 2014$646,000
+20.7%
9,677
+8.4%
0.01%
+11.1%
Q1 2014$535,0008,9300.01%
Other shareholders
OSI SYSTEMS INC shareholders Q4 2014
NameSharesValueWeighting ↓
Prospect Capital Advisors, LLC 107,300$8,328,0004.39%
NEUMEIER POMA INVESTMENT COUNSEL LLC 396,568$30,778,0002.53%
Granahan Investment Management 638,560$49,558,0001.68%
Zebra Capital Management LLC 10,194$791,0001.22%
Penn Capital Management Company, LLC 77,172$5,989,0000.76%
CARDINAL CAPITAL MANAGEMENT LLC /CT 232,030$18,008,0000.75%
Bridge City Capital, LLC 16,993$1,319,0000.63%
SYSTEMATIC FINANCIAL MANAGEMENT LP 94,651$7,346,0000.40%
Walthausen & Co., LLC 22,470$1,744,0000.36%
Supplemental Annuity Collective Trust of NJ 8,000$621,0000.26%
View complete list of OSI SYSTEMS INC shareholders