BlackRock Investment Management, LLC - PENUMBRA INC ownership

PENUMBRA INC's ticker is PEN and the CUSIP is 70975L107. A total of 55 filers reported holding PENUMBRA INC in Q4 2015. The put-call ratio across all filers is - and the average weighting 0.2%.

Quarter-by-quarter ownership
BlackRock Investment Management, LLC ownership history of PENUMBRA INC
ValueSharesWeighting
Q4 2016$6,087,000
-16.2%
95,411
-0.2%
0.01%
-22.2%
Q3 2016$7,267,000
+29.0%
95,626
+1.0%
0.01%
+28.6%
Q2 2016$5,634,000
+681.4%
94,690
+504.5%
0.01%
+600.0%
Q1 2016$721,000
-11.8%
15,664
+3.1%
0.00%0.0%
Q4 2015$817,00015,1900.00%
Other shareholders
PENUMBRA INC shareholders Q4 2015
NameSharesValueWeighting ↓
RTW INVESTMENTS, LP 698,371$132,411,0003.05%
OAK HARBOR WEALTH PARTNERS, LLC 37,379$7,087,0002.78%
CARRET ASSET MANAGEMENT, LLC 88,500$16,780,0002.50%
PFM Health Sciences, LP 360,030$68,262,0002.47%
Rock Springs Capital Management LP 476,000$90,250,0002.33%
PFM Health Sciences, LP 207,500$39,342,0001.42%
Affinity Asset Advisors, LLC 25,000$4,740,0001.32%
Redmile Group, LLC 178,792$33,899,0001.32%
Atika Capital Management LLC 76,000$14,409,0001.22%
Champlain Investment Partners, LLC 804,075$152,453,0001.04%
View complete list of PENUMBRA INC shareholders