GROUP ONE TRADING, L.P. - TANDEM DIABETES CARE INC ownership

TANDEM DIABETES CARE INC's ticker is TNDM and the CUSIP is 875372104. A total of 66 filers reported holding TANDEM DIABETES CARE INC in Q4 2014. The put-call ratio across all filers is 1.00 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of TANDEM DIABETES CARE INC
ValueSharesWeighting
Q3 2017$22,000
-8.3%
30,4510.0%0.00%
Q2 2017$24,000
-87.0%
30,451
-80.2%
0.00%
-100.0%
Q1 2017$185,000
+6066.7%
154,167
+76983.5%
0.00%
Q1 2015$3,000
-97.2%
200
-97.5%
0.00%
-100.0%
Q3 2014$109,0008,1000.00%
Other shareholders
TANDEM DIABETES CARE INC shareholders Q4 2014
NameSharesValueWeighting ↓
SENZAR ASSET MANAGEMENT, LLC 859,549$9,318,0001.60%
Endurant Capital Management LP 451,254$4,892,0001.44%
Hood River Capital Management LLC 329,060$3,567,0000.44%
Rock Springs Capital Management LP 535,000$5,799,0000.42%
DAFNA Capital Management LLC 35,992$390,0000.33%
Rhenman & Partners Asset Management AB 209,000$2,266,0000.27%
STONEBRIDGE CAPITAL MANAGEMENT INC 46,700$506,0000.21%
Apex Capital Management 852,123$9,237,0000.20%
Platte River Capital LLC 35,602$386,0000.19%
WASATCH ADVISORS LP 1,201,610$13,025,0000.14%
View complete list of TANDEM DIABETES CARE INC shareholders