Kassirer Asset Management Corp Buys Validus Holdings, XL Group, Blackhawk Network Holdings Inc, Sells Ignyta Inc, Sucampo Pharmaceuticals Inc, BroadSoft Inc

• New Purchases: VR, XL, HAWK, DST, MSCC, BUFF, STB, CALD, KS, MULE,
• Added Positions: PNK, CBI, NXPI, OA, GGP, CSBK, KND, SPA, BGC,
• Reduced Positions: CAVM, SIGM, WGL, AET, FOXA, AVA, GNW, CSIQ, JASO,
• Sold Out: RXDX, SCMP, BSFT, RGC, BWLD, BETR, CCC, BV, CPN, DYN,

For the details of Kassirer Asset Management Corp's stock buys and sells, go to http://www.gurufocus.com/StockBuy.php?GuruName=Kassirer+Asset+Management+Corp

1. Validus Holdings Ltd (VR) - 170,000 shares, 6.65% of the total portfolio. New Position
2. XL Group Ltd (XL) - 185,000 shares, 5.93% of the total portfolio. New Position
3. Blackhawk Network Holdings Inc (HAWK) - 210,532 shares, 5.45% of the total portfolio. New Position
4. DST Systems Inc (DST) - 98,904 shares, 4.8% of the total portfolio. New Position
5. Microsemi Corp (MSCC) - 120,000 shares, 4.5% of the total portfolio. New Position

Kassirer Asset Management Corp initiated holding in Validus Holdings Ltd. The purchase prices were between $45.24 and $67.74, with an estimated average price of $62.96. The stock is now traded at around $67.61. The impact to a portfolio due to this purchase was 6.65%. The holding were 170,000 shares as of 2018-03-31.

Kassirer Asset Management Corp initiated holding in XL Group Ltd. The purchase prices were between $34.02 and $55.92, with an estimated average price of $43.89. The stock is now traded at around $55.13. The impact to a portfolio due to this purchase was 5.93%. The holding were 185,000 shares as of 2018-03-31.

Kassirer Asset Management Corp initiated holding in Blackhawk Network Holdings Inc. The purchase prices were between $33.6 and $46.85, with an estimated average price of $43.62. The stock is now traded at around $44.90. The impact to a portfolio due to this purchase was 5.45%. The holding were 210,532 shares as of 2018-03-31.

Kassirer Asset Management Corp initiated holding in DST Systems Inc. The purchase prices were between $61.96 and $84, with an estimated average price of $81.38. The stock is now traded at around $83.99. The impact to a portfolio due to this purchase was 4.8%. The holding were 98,904 shares as of 2018-03-31.

Kassirer Asset Management Corp initiated holding in Microsemi Corp. The purchase prices were between $53.17 and $67.44, with an estimated average price of $61.77. The stock is now traded at around $67.43. The impact to a portfolio due to this purchase was 4.5%. The holding were 120,000 shares as of 2018-03-31.

Kassirer Asset Management Corp initiated holding in Blue Buffalo Pet Products Inc. The purchase prices were between $31.68 and $40.06, with an estimated average price of $35.95. The stock is now traded at around $40.00. The impact to a portfolio due to this purchase was 4.38%. The holding were 190,000 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in Pinnacle Entertainment Inc by 404.96%. The purchase prices were between $29.82 and $33.18, with an estimated average price of $31.28. The stock is now traded at around $32.67. The impact to a portfolio due to this purchase was 2.83%. The holding were 201,983 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in Chicago Bridge & Iron Co NV by 145.24%. The purchase prices were between $14.04 and $21.72, with an estimated average price of $18.27. The stock is now traded at around $16.84. The impact to a portfolio due to this purchase was 1.21%. The holding were 245,243 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in NXP Semiconductors NV by 680.00%. The purchase prices were between $114.88 and $125.71, with an estimated average price of $120.68. The stock is now traded at around $98.79. The impact to a portfolio due to this purchase was 0.92%. The holding were 15,600 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in Orbital ATK Inc by 100.00%. The purchase prices were between $130.52 and $132.84, with an estimated average price of $132. The stock is now traded at around $133.38. The impact to a portfolio due to this purchase was 0.39%. The holding were 10,000 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in GGP Inc by 41.67%. The purchase prices were between $20.08 and $23.85, with an estimated average price of $22.17. The stock is now traded at around $20.05. The impact to a portfolio due to this purchase was 0.3%. The holding were 85,000 shares as of 2018-03-31.

Kassirer Asset Management Corp added to a holding in Clifton Bancorp Inc by 102.35%. The purchase prices were between $15.37 and $17.08, with an estimated average price of $16.05. The stock is now traded at around $15.65. The impact to a portfolio due to this purchase was 0.29%. The holding were 62,998 shares as of 2018-03-31.

Kassirer Asset Management Corp sold out a holding in Ignyta Inc. The sale prices were between $26.75 and $27, with an estimated average price of $26.93.

Kassirer Asset Management Corp sold out a holding in Sucampo Pharmaceuticals Inc. The sale prices were between $17.85 and $18.6, with an estimated average price of $18.04.

Kassirer Asset Management Corp sold out a holding in BroadSoft Inc. The sale prices were between $54.6 and $55, with an estimated average price of $54.86.

Kassirer Asset Management Corp sold out a holding in Regal Entertainment Group. The sale prices were between $22.67 and $23.14, with an estimated average price of $22.97.

Kassirer Asset Management Corp sold out a holding in Buffalo Wild Wings Inc. The sale prices were between $156.55 and $157, with an estimated average price of $156.78.

Kassirer Asset Management Corp sold out a holding in Amplify Snack Brands Inc. The sale prices were between $12 and $12.27, with an estimated average price of $12.07.