A.R.T. Advisors, LLC - JAMES RIV GROUP LTD ownership

JAMES RIV GROUP LTD's ticker is JRVR and the CUSIP is G5005R107. A total of 168 filers reported holding JAMES RIV GROUP LTD in Q4 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
A.R.T. Advisors, LLC ownership history of JAMES RIV GROUP LTD
ValueSharesWeighting
Q4 2019$294,000
+16.2%
7,130
+20.0%
0.02%
+25.0%
Q3 2018$253,000
-47.9%
5,944
-51.1%
0.01%
-45.5%
Q4 2017$486,000
+111.3%
12,160
+118.7%
0.02%
+83.3%
Q3 2017$230,000
-62.0%
5,560
-63.5%
0.01%
-62.5%
Q2 2017$605,000
+8.0%
15,228
+16.5%
0.03%
+23.1%
Q1 2017$560,000
+85.4%
13,075
+79.7%
0.03%
+44.4%
Q4 2016$302,000
-7.4%
7,275
-24.2%
0.02%
+12.5%
Q2 2016$326,0009,6020.02%
Other shareholders
JAMES RIV GROUP LTD shareholders Q4 2018
NameSharesValueWeighting ↓
Madison Avenue Partners, LP 1,150,453$28,462,207,0005.31%
BERNZOTT CAPITAL ADVISORS 1,024,246$25,340,0002.32%
PhiloSmith Capital Corp 186,925$4,624,524,0001.69%
Algebris (UK) Ltd 126,916$3,140,0001.38%
CRAMER ROSENTHAL MCGLYNN LLC 1,145,102$28,330,0001.10%
Algebris (UK) Ltd 50,000$1,237,0000.54%
Keeley-Teton Advisors, LLC 197,551$4,887,0000.51%
Alpha Paradigm Partners, LLC 49,724$1,230,000,0000.48%
Granahan Investment Management 777,615$19,238,0000.48%
PEREGRINE CAPITAL MANAGEMENT LLC 464,007$11,480,0000.27%
View complete list of JAMES RIV GROUP LTD shareholders