Baker Bros. Advisors’s Aptose Biosciences, Inc. APTO Stock Holding History

Baker Bros. Advisors’s Portfolio APTO Stock Details APTO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q1	–	Sell	-574	Closed	-$359K	–	131
2016 Q4	$359K	Sell	574 -324	-36%	-$202K	﹤0.01%	127
2016 Q3	$909K	Buy	+898	New	+$934K	0.01%	115
2016 Q2	–	Sell	-74	Closed	-$100K	–	140
2016 Q1	$100K	Hold	74	–	–	﹤0.01%	132
2015 Q4	$84K	Hold	74	–	–	﹤0.01%	131
2015 Q3	$144K	Hold	74	–	–	﹤0.01%	131
2015 Q2	$170K	Hold	74	–	–	﹤0.01%	124
2015 Q1	$181K	Sell	74 -991	-93%	-$2.39M	﹤0.01%	127
2014 Q4	$2.83M	Buy	+1,065	New	+$3.2M	0.03%	89

Other funds holding APTO

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

CAM

Cormorant Asset Management Boston, Massachusetts $1.99B AUM 737.95% 1-Year Est. Return

Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return

Bank of Montreal Toronto, Ontario, Canada $269B AUM 31.4% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

FDCDDQ

Federation des caisses Desjardins du Quebec Levis, Quebec, Canada $27.8B AUM 31.66% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Parallax Volatility Advisers San Francisco, California $38.6B AUM 45.89% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Baker Bros. Advisors's APTO Position: Q1 2017 in Review

Baker Bros. Advisors sold out of Aptose Biosciences, Inc. (APTO) in Q1 2017, closing a stake of 574 shares — an estimated $359K sold.

Baker Bros. Advisors first reported a position in APTO in Q4 2014 and held it in 8 quarters. The position peaked at $2.83M in Q4 2014. 13 funds tracked by Wall St. Rank hold APTO as of Q1 2017.

Baker Bros. Advisors reported no remaining Aptose Biosciences, Inc. position as of Q1 2017 after selling out during the quarter.
Baker Bros. Advisors sold 574 Aptose Biosciences, Inc. shares in Q1 2017, an estimated $359K.
Baker Bros. Advisors first reported a position in Aptose Biosciences, Inc. in Q4 2014 and held it in 8 quarters.
Baker Bros. Advisors's Aptose Biosciences, Inc. position peaked at $2.83M in Q4 2014.
13 funds tracked by Wall St. Rank held Aptose Biosciences, Inc. as of Q1 2017.

Based on Baker Bros. Advisors's 13F filing for Q1 2017, filed 15 May 2017.