ARTA
IMPV

A.R.T. Advisors’s Imperva, Inc. IMPV Stock Holding History

A.R.T. Advisors’s Portfolio IMPV Stock Details IMPV Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q4 		– Sell
-18,289
Closed -$849K – 1872
2018
Q3 		$849K Buy
+18,289
New +$885K 0.04% 652
2018
Q2 		– Sell
-21,372
Closed -$925K – 1960
2018
Q1 		$925K Buy
21,372
+7,300
+52% +$328K 0.04% 696
2017
Q4 		$558K Buy
14,072
+1,052
+8% +$43.8K 0.02% 849
2017
Q3 		$565K Buy
13,020
+2,268
+21% +$103K 0.03% 789
2017
Q2 		$514K Sell
10,752
-42,000
-80% -$1.96M 0.03% 795
2017
Q1 		$2.17M Buy
52,752
+45,252
+603% +$1.89M 0.1% 288
2016
Q4 		$288K Buy
+7,500
New +$305K 0.02% 957
2016
Q1 		– Sell
-33,849
Closed -$2.14M – 1811
2015
Q4 		$2.14M Sell
33,849
-17,229
-34% -$1.17M 0.1% 271
2015
Q3 		$3.34M Buy
51,078
+18,517
+57% +$1.23M 0.12% 226
2015
Q2 		$2.2M Buy
+32,561
New +$1.8M 0.07% 406
2015
Q1 		– Sell
-70,502
Closed -$3.48M – 1836
2014
Q4 		$3.48M Buy
70,502
+36,537
+108% +$1.46M 0.13% 209
2014
Q3 		$975K Sell
33,965
-57,829
-63% -$1.57M 0.05% 512
2014
Q2 		$2.4M Buy
+91,794
New +$2.37M 0.13% 231
2014
Q1 		– Sell
-11,391
Closed -$548K – 1673
2013
Q4 		$548K Sell
11,391
-13,909
-55% -$585K 0.03% 740
2013
Q3 		$1.06M Buy
+25,300
New +$1.21M 0.06% 482

Other funds holding IMPV

EC
Eminence Capital New York $4.36B AUM 3.1% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
CS
Credit Suisse Zurich, Switzerland $104B AUM 34.76% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
WIC
Water Island Capital New York $896M AUM 107.59% 1-Year Est. Return
GLAM
Gardner Lewis Asset Management Chadds Ford, Pennsylvania $462M AUM 65.29% 1-Year Est. Return
BCM
Beryl Capital Management Redondo Beach, California $110M AUM 317.92% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
AAM
Alpine Associates Management Palm Beach, Florida $1.7B AUM 97.55% 1-Year Est. Return

A.R.T. Advisors's IMPV Position: Q4 2018 in Review

A.R.T. Advisors sold out of Imperva, Inc. (IMPV) in Q4 2018, closing a stake of 18,289 shares — an estimated $849K sold.

A.R.T. Advisors first reported a position in IMPV in Q3 2013 and held it in 15 quarters. The position peaked at $3.48M in Q4 2014. 162 funds tracked by Wall St. Rank hold IMPV as of Q4 2018.

  • A.R.T. Advisors reported no remaining Imperva, Inc. position as of Q4 2018 after selling out during the quarter.
  • A.R.T. Advisors sold 18,289 Imperva, Inc. shares in Q4 2018, an estimated $849K.
  • A.R.T. Advisors first reported a position in Imperva, Inc. in Q3 2013 and held it in 15 quarters.
  • A.R.T. Advisors's Imperva, Inc. position peaked at $3.48M in Q4 2014.
  • 162 funds tracked by Wall St. Rank held Imperva, Inc. as of Q4 2018.

Based on A.R.T. Advisors's 13F filing for Q4 2018, filed 14 Feb 2019.