UBS O'Connor’s SIGMA - ALDRICH CORP SIAL Stock Holding History

UBS O'Connor’s Portfolio SIAL Stock Details SIAL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-1,146,119	Closed	-$159M	–	637
2015 Q3	$159M	Hold	1,146,119	–	–	1.5%	9
2015 Q2	$160M	Buy	1,146,119 +402,026	+54%	+$55.8M	1.32%	11
2015 Q1	$103M	Buy	744,093 +40,898	+6%	+$5.64M	0.99%	18
2014 Q4	$96.5M	Buy	703,195 +513,195	+270%	+$69.7M	1.68%	10
2014 Q3	$25.8M	Buy	+190,000	New	+$20.2M	0.45%	66

Other funds holding SIAL

CCS

Crosspoint Capital Strategies Orinda, California $50.4M AUM 15.37% 1-Year Est. Return

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

UBS O'Connor sold out of SIGMA - ALDRICH CORP (SIAL) in Q4 2015, closing a stake of 1,146,119 shares — an estimated $159M sold.

UBS O'Connor first reported a position in SIAL in Q3 2014 and held it in 5 quarters. The position peaked at $160M in Q2 2015. 1 fund tracked by Wall St. Rank holds SIAL as of Q4 2015.

UBS O'Connor reported no remaining SIGMA - ALDRICH CORP position as of Q4 2015 after selling out during the quarter.
UBS O'Connor sold 1,146,119 SIGMA - ALDRICH CORP shares in Q4 2015, an estimated $159M.
UBS O'Connor first reported a position in SIGMA - ALDRICH CORP in Q3 2014 and held it in 5 quarters.
UBS O'Connor's SIGMA - ALDRICH CORP position peaked at $160M in Q2 2015.
1 fund tracked by Wall St. Rank held SIGMA - ALDRICH CORP as of Q4 2015.

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