Parallax Volatility Advisers, L.P. - IRHYTHM TECHNOLOGIES INC ownership

IRHYTHM TECHNOLOGIES INC's ticker is IRTC and the CUSIP is 450056106. A total of 242 filers reported holding IRHYTHM TECHNOLOGIES INC in Q4 2020. The put-call ratio across all filers is 1.94 and the average weighting 0.1%.

Quarter-by-quarter ownership
Parallax Volatility Advisers, L.P. ownership history of IRHYTHM TECHNOLOGIES INC
ValueSharesWeighting
Q4 2022$955,434
-51.1%
10,200
-38.6%
0.00%
-50.0%
Q4 2021$1,954,000
-22.8%
16,600
-61.6%
0.00%0.0%
Q3 2021$2,531,000
+356.0%
43,222
+1747.1%
0.00%
Q4 2020$555,000
+370.3%
2,340
+11.4%
0.00%
Q4 2017$118,0002,1000.00%
Other shareholders
IRHYTHM TECHNOLOGIES INC shareholders Q4 2020
NameSharesValueWeighting ↓
Brown Capital Management 3,276,305$379,691,0003.26%
Rock Springs Capital Management LP 651,000$75,444,0002.07%
PFM Health Sciences, LP 248,558$28,805,0001.49%
SECTORAL ASSET MANAGEMENT INC 115,895$13,431,0001.23%
Roubaix Capital, LLC 7,968$923,0001.23%
NEXT CENTURY GROWTH INVESTORS LLC 52,944$6,135,0000.70%
TimesSquare Capital Management, LLC 612,585$70,992,0000.68%
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1,426,030$165,263,0000.67%
Atika Capital Management LLC 40,000$4,636,0000.60%
EAM Investors, LLC 18,735$2,171,0000.48%
View complete list of IRHYTHM TECHNOLOGIES INC shareholders