ESSEX INVESTMENT MANAGEMENT CO LLC - TANDEM DIABETES CARE INC ownership

TANDEM DIABETES CARE INC's ticker is TNDM and the CUSIP is 875372203. A total of 269 filers reported holding TANDEM DIABETES CARE INC in Q1 2019. The put-call ratio across all filers is 0.65 and the average weighting 0.2%.

Quarter-by-quarter ownership
ESSEX INVESTMENT MANAGEMENT CO LLC ownership history of TANDEM DIABETES CARE INC
ValueSharesWeighting
Q2 2023$4,311,384
-43.4%
175,688
-6.4%
0.60%
-45.7%
Q1 2023$7,623,025
+94619.5%
187,713
+4.8%
1.11%
-11.6%
Q4 2022$8,048
-99.9%
179,034
-17.9%
1.25%
-24.7%
Q3 2022$10,434,000
+29.2%
218,049
+59.9%
1.66%
+27.7%
Q2 2022$8,074,000
-51.2%
136,406
-4.1%
1.30%
-36.7%
Q1 2022$16,534,000
+26.7%
142,178
+64.0%
2.06%
+38.0%
Q4 2021$13,050,000
+46.6%
86,697
+16.2%
1.49%
+36.8%
Q3 2021$8,904,000
+275.7%
74,588
+206.5%
1.09%
+295.7%
Q2 2021$2,370,000
+1.5%
24,332
-8.0%
0.28%
-3.2%
Q1 2021$2,334,000
-16.6%
26,448
-9.6%
0.28%
-17.9%
Q4 2020$2,799,000
-28.9%
29,251
-15.7%
0.35%
-38.5%
Q3 2020$3,939,000
+18.6%
34,706
+3.4%
0.56%
+3.5%
Q2 2020$3,322,000
+53.0%
33,579
-0.5%
0.54%
+23.9%
Q1 2020$2,171,000
+2.5%
33,741
-5.0%
0.44%
+69.2%
Q4 2019$2,118,000
-58.2%
35,526
-58.6%
0.26%
-64.4%
Q3 2019$5,064,000
+108.2%
85,858
+127.8%
0.73%
+118.9%
Q2 2019$2,432,000
-22.1%
37,698
-23.3%
0.33%
-27.5%
Q1 2019$3,121,000
-47.9%
49,153
-68.8%
0.46%
-1.9%
Q4 2018$5,990,000
+166.6%
157,778
+200.8%
0.47%
+78.0%
Q3 2018$2,247,000
-29.7%
52,457
-63.9%
0.26%
-34.0%
Q2 2018$3,197,000
+150.9%
145,165
-43.5%
0.40%
+138.1%
Q1 2018$1,274,000256,7930.17%
Other shareholders
TANDEM DIABETES CARE INC shareholders Q1 2019
NameSharesValueWeighting ↓
Delphi Management Partners VIII, L.L.C. 1,000,000$59,610,00047.04%
Prospect Capital Advisors, LLC 127,900$7,624,0004.68%
Asymmetry Capital Management, L.P. 43,559$2,597,0004.66%
Copernicus Capital Management, LLC 50,000$2,981,0003.91%
SECTORAL ASSET MANAGEMENT INC 341,714$20,370,0003.04%
FRIESS ASSOCIATES LLC 627,225$37,389,0002.60%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 1,361,345$81,150,0002.59%
Parkman Healthcare Partners LLC 134,959$8,045,0002.32%
OBERWEIS ASSET MANAGEMENT INC/ 109,940$6,554,0002.18%
First Light Asset Management, LLC 268,574$16,010,0002.05%
View complete list of TANDEM DIABETES CARE INC shareholders