COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT - PROOFPOINT INC ownership

PROOFPOINT INC's ticker is PFPT and the CUSIP is 743424103. A total of 268 filers reported holding PROOFPOINT INC in Q1 2017. The put-call ratio across all filers is 1.14 and the average weighting 0.2%.

Quarter-by-quarter ownership
COLUMBIA PARTNERS L.L.C. INVESTMENT MANAGEMENT ownership history of PROOFPOINT INC
ValueSharesWeighting
Q4 2018$1,917,000
-10.2%
22,878
+14.0%
0.75%
+36.9%
Q3 2018$2,134,000
-7.8%
20,0720.0%0.54%
-17.7%
Q2 2018$2,314,000
-3.2%
20,072
-4.6%
0.66%
+117.0%
Q1 2018$2,391,000
+28.0%
21,0400.0%0.30%
+23.0%
Q4 2017$1,868,000
-4.6%
21,040
-6.4%
0.25%
-3.9%
Q3 2017$1,959,000
+12.0%
22,469
+11.5%
0.26%
+15.7%
Q2 2017$1,749,000
-17.3%
20,150
-29.2%
0.22%
-17.4%
Q1 2017$2,115,000
-64.9%
28,445
-66.7%
0.27%
-49.7%
Q4 2016$6,031,000
-27.4%
85,378
-23.1%
0.54%
-17.4%
Q3 2016$8,312,000
+6.5%
111,057
-10.2%
0.65%
+12.1%
Q2 2016$7,804,000
+38.3%
123,708
+17.9%
0.58%
+44.3%
Q1 2016$5,642,000
+412.9%
104,911
+519.6%
0.40%
+428.9%
Q4 2015$1,100,000
-26.5%
16,932
-31.8%
0.08%
-26.9%
Q3 2015$1,497,00024,8320.10%
Other shareholders

There were no reported owners of PROOFPOINT INC in Q1 2017.

NameSharesValueWeighting ↓
View complete list of PROOFPOINT INC shareholders