MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - 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
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ownership history of IRHYTHM TECHNOLOGIES INC
ValueSharesWeighting
Q3 2020$26,693,000
+16.9%
112,104
-43.1%
0.01%
+11.1%
Q2 2020$22,833,000
+39.1%
197,026
-2.4%
0.01%
+12.5%
Q1 2020$16,418,000
-14.8%
201,814
-28.7%
0.01%
+14.3%
Q4 2019$19,272,000
+11.5%
283,033
+21.3%
0.01%0.0%
Q3 2019$17,292,000
+17.9%
233,325
+25.8%
0.01%
+16.7%
Q2 2019$14,664,000
+33.5%
185,429
+26.6%
0.01%
+20.0%
Q1 2019$10,983,000
+35.8%
146,515
+25.9%
0.01%
+25.0%
Q4 2018$8,087,000
-1.3%
116,387
+34.4%
0.00%
+33.3%
Q3 2018$8,196,000
-15.8%
86,586
-27.8%
0.00%
-25.0%
Q2 2018$9,735,000
-15.8%
119,997
-34.7%
0.00%
-20.0%
Q1 2018$11,568,000
-0.4%
183,769
-11.3%
0.01%0.0%
Q4 2017$11,615,000
-6.4%
207,225
-13.3%
0.01%0.0%
Q3 2017$12,405,000
+22.8%
239,110
+0.6%
0.01%
+25.0%
Q2 2017$10,098,000
+50.9%
237,660
+33.5%
0.00%
+33.3%
Q1 2017$6,691,000
+6.4%
177,958
-15.1%
0.00%0.0%
Q4 2016$6,286,000209,5390.00%
Other shareholders
IRHYTHM TECHNOLOGIES INC shareholders Q4 2020
NameSharesValueWeighting ↓
Integral Health Asset Management, LLC 50,000$3,318,0000.91%
Prosight Management, LP 20,200$1,340,0000.84%
Vident Investment Advisory, LLC 412,614$27,377,0000.83%
Rock Springs Capital Management LP 448,000$29,725,0000.59%
Greenhouse Funds LLLP 86,000$5,706,0000.50%
Sante Capital Fund, LP 15,221$1,010,0000.42%
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 48,757$3,235,0000.40%
Sands Capital Management 3,229,819$214,298,0000.36%
PURA VIDA INVESTMENTS, LLC 140,000$9,289,0000.29%
DUALITY ADVISERS, LP 46,548$3,088,0000.27%
View complete list of IRHYTHM TECHNOLOGIES INC shareholders