UBS O'Connor
SIEN

UBS O'Connor’s Sientra, Inc. SIEN Stock Holding History

UBS O'Connor’s Portfolio SIEN Stock Details SIEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2015
Q4 		– Sell
-8,000
Closed -$812K – 573
2015
Q3 		$812K Sell
8,000
-626
-7% -$142K 0.01% 445
2015
Q2 		$2.18M Sell
8,626
-5,054
-37% -$1.03M 0.02% 405
2015
Q1 		$2.63M Buy
13,680
+6,080
+80% +$1.04M 0.03% 363
2014
Q4 		$1.28M Buy
+7,600
New +$1.3M 0.02% 331

Other funds holding SIEN

CV
Clarus Ventures Cambridge, Massachusetts $425M AUM 26.13% 1-Year Est. Return
A
Abingworth London, United Kingdom $307M AUM 93.47% 1-Year Est. Return
VAM
Visium Asset Management New York $1.43B AUM 3.58% 1-Year Est. Return
OrbiMed
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
SAM
Senzar Asset Management New York $34.7M AUM 0.56% 1-Year Est. Return
AC
Amici Capital New York $257M AUM 4.88% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

UBS O'Connor's SIEN Position: Q4 2015 in Review

UBS O'Connor sold out of Sientra, Inc. (SIEN) in Q4 2015, closing a stake of 8,000 shares — an estimated $812K sold.

UBS O'Connor first reported a position in SIEN in Q4 2014 and held it in 4 quarters. The position peaked at $2.63M in Q1 2015. 58 funds tracked by Wall St. Rank hold SIEN as of Q4 2015.

  • UBS O'Connor reported no remaining Sientra, Inc. position as of Q4 2015 after selling out during the quarter.
  • UBS O'Connor sold 8,000 Sientra, Inc. shares in Q4 2015, an estimated $812K.
  • UBS O'Connor first reported a position in Sientra, Inc. in Q4 2014 and held it in 4 quarters.
  • UBS O'Connor's Sientra, Inc. position peaked at $2.63M in Q1 2015.
  • 58 funds tracked by Wall St. Rank held Sientra, Inc. as of Q4 2015.

Based on UBS O'Connor's 13F filing for Q4 2015, filed 10 Feb 2016.