FRONTIER CAPITAL MANAGEMENT CO LLC - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 134 filers reported holding PENUMBRA INC in Q1 2017. The put-call ratio across all filers is 7.66 and the average weighting 0.2%.

Quarter-by-quarter ownership
FRONTIER CAPITAL MANAGEMENT CO LLC ownership history of PENUMBRA INC
ValueSharesWeighting
Q4 2017$592,000
-86.4%
6,286
-87.0%
0.00%
-87.1%
Q3 2017$4,354,000
-13.8%
48,220
-16.3%
0.03%
-16.2%
Q2 2017$5,052,000
+68.7%
57,578
+60.4%
0.04%
+68.2%
Q1 2017$2,995,00035,8890.02%
Other shareholders
PENUMBRA INC shareholders Q1 2017
NameSharesValueWeighting ↓
CARRET ASSET MANAGEMENT, LLC 203,736$30,499,0004.70%
Asymmetry Capital Management, L.P. 13,187$1,974,0001.82%
PFM Health Sciences, LP 725,401$108,593,0001.59%
Timpani Capital Management LLC 34,459$5,159,0001.49%
Windsor Wealth Management, Inc. 13,500$2,021,0001.31%
Rock Springs Capital Management LP 235,200$35,209,0001.28%
Redwood Investments, LLC 91,422$13,686,0001.07%
Partner Investment Management, L.P. 9,253$1,385,0001.06%
Redmile Group, LLC 217,129$32,504,0001.00%
Stephens Investment Management Group LLC 275,582$41,255,0000.76%
View complete list of PENUMBRA INC shareholders