CM
NPTN

Castleark Management’s NEOPHOTONICS CORP NPTN Stock Holding History

Castleark Management’s Portfolio NPTN Stock Details NPTN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2018
Q2 		– Sell
-260,205
Closed -$1.78M – 440
2018
Q1 		$1.78M Buy
+260,205
New +$1.65M 0.06% 256

Other funds holding NPTN

OMC
Oak Management Corp Wilton, Connecticut $3.24M AUM 83.68% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
AIC
AWM Investment Company New York $903M AUM 163.47% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
MCM
Masters Capital Management Atlanta, Georgia $3.03B AUM 57.21% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
CCPM
Cooper Creek Partners Management New York $2.92B AUM 30.49% 1-Year Est. Return

Castleark Management's NPTN Position: Q2 2018 in Review

Castleark Management sold out of NEOPHOTONICS CORP (NPTN) in Q2 2018, closing a stake of 260,205 shares — an estimated $1.78M sold.

Castleark Management first reported a position in NPTN in Q1 2018 and held it in 1 quarter. The position peaked at $1.78M in Q1 2018. 88 funds tracked by Wall St. Rank hold NPTN as of Q2 2018.

  • Castleark Management reported no remaining NEOPHOTONICS CORP position as of Q2 2018 after selling out during the quarter.
  • Castleark Management sold 260,205 NEOPHOTONICS CORP shares in Q2 2018, an estimated $1.78M.
  • Castleark Management first reported a position in NEOPHOTONICS CORP in Q1 2018 and held it in 1 quarter.
  • Castleark Management's NEOPHOTONICS CORP position peaked at $1.78M in Q1 2018.
  • 88 funds tracked by Wall St. Rank held NEOPHOTONICS CORP as of Q2 2018.

Based on Castleark Management's 13F filing for Q2 2018, filed 15 Aug 2018.