WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - ROGERS CORP ownership

ROGERS CORP's ticker is ROG and the CUSIP is 775133101. A total of 217 filers reported holding ROGERS CORP in Q4 2020. The put-call ratio across all filers is 0.07 and the average weighting 0.2%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of ROGERS CORP
ValueSharesWeighting
Q3 2020$59,720,000
-44.5%
609,017
-29.4%
0.23%
-46.8%
Q2 2020$107,532,000
+32.0%
863,016
-0.0%
0.44%
+10.3%
Q1 2020$81,492,000
-23.0%
863,080
+1.7%
0.40%
-5.9%
Q4 2019$105,883,000
-5.4%
848,901
+3.7%
0.42%
-11.9%
Q3 2019$111,957,000
-45.1%
818,941
-30.7%
0.48%
-44.0%
Q2 2019$204,003,000
-15.2%
1,182,076
-21.9%
0.86%
-15.4%
Q1 2019$240,551,000
+68.4%
1,514,044
+5.0%
1.01%
+42.7%
Q4 2018$142,814,000
-33.4%
1,441,688
-1.0%
0.71%
-4.6%
Q3 2018$214,537,000
+41.2%
1,456,264
+6.8%
0.74%
+31.5%
Q2 2018$151,970,000
-6.2%
1,363,453
+0.6%
0.56%
-8.7%
Q1 2018$162,003,000
-0.7%
1,355,220
+34.4%
0.62%
-2.4%
Q4 2017$163,215,000
+7904.7%
1,007,996
+6488.6%
0.63%
+8957.1%
Q3 2017$2,039,00015,2990.01%
Other shareholders
ROGERS CORP shareholders Q4 2020
NameSharesValueWeighting ↓
ACK Asset Management 385,000$28,294,0008.39%
WESTPORT ASSET MANAGEMENT INC 80,000$6,870,0006.26%
Front Street Capital Management, Inc. 172,540$14,816,0005.91%
VALUE HOLDINGS MANAGEMENT CO. LLC 136,430$5,582,0002.34%
DARUMA CAPITAL MANAGEMENT LLC 429,801$36,907,0002.15%
KALMAR INVESTMENTS INC /DE/ 96,728$8,306,0001.87%
Balter Liquid Alternatives, LLC 14,561$1,250,0001.80%
INVESTMENT COUNSELORS OF MARYLAND LLC 337,344$28,968,0001.52%
Aristotle Capital Boston, LLC 126,137$10,831,0001.44%
EAGLE BOSTON INVESTMENT MANAGEMENT INC 148,892$12,785,0001.43%
View complete list of ROGERS CORP shareholders