BlackRock Advisors’s Amphastar Pharmaceuticals AMPH Stock Holding History

BlackRock Advisors’s Portfolio AMPH Stock Details AMPH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q4	$370K	Buy	20,114 +338	+2%	+$6.58K	﹤0.01%	2382
2016 Q3	$375K	Buy	19,776 +1,397	+8%	+$25.4K	﹤0.01%	2325
2016 Q2	$296K	Buy	18,379 +3,083	+20%	+$43.5K	﹤0.01%	2410
2016 Q1	$184K	Buy	15,296 +3,288	+27%	+$38.8K	﹤0.01%	2594
2015 Q4	$171K	Sell	12,008 -3,088	-20%	-$40.8K	﹤0.01%	2651
2015 Q3	$176K	Sell	15,096 -851	-5%	-$12.8K	﹤0.01%	2798
2015 Q2	$280K	Buy	15,947 +11,653	+271%	+$182K	﹤0.01%	2589
2015 Q1	$64K	Buy	4,294 +844	+24%	+$11.3K	﹤0.01%	3187
2014 Q4	$40K	Hold	3,450	–	–	﹤0.01%	3331
2014 Q3	$40K	Buy	+3,450	New	+$35.9K	﹤0.01%	3324

Other funds holding AMPH

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Teachers Advisors New York $81.7B AUM 13.62% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

BlackRock Advisors's AMPH Position: Q4 2016 in Review

BlackRock Advisors increased its Amphastar Pharmaceuticals (AMPH) stake by 1.7% in Q4 2016, buying an estimated $6.58K and bringing the position to 20,114 shares worth $370K. The position accounts for ﹤0.01% of the portfolio, ranked #2382.

BlackRock Advisors first reported a position in AMPH in Q3 2014 and has held it in 10 quarters since. The position peaked at $375K in Q3 2016. 138 funds tracked by Wall St. Rank hold AMPH as of Q4 2016.

BlackRock Advisors held 20,114 shares of Amphastar Pharmaceuticals worth $370K as of Q4 2016.
BlackRock Advisors bought 338 Amphastar Pharmaceuticals shares in Q4 2016, an estimated $6.58K.
Amphastar Pharmaceuticals made up ﹤0.01% of BlackRock Advisors's portfolio in Q4 2016, its #2382 holding.
BlackRock Advisors first reported a position in Amphastar Pharmaceuticals in Q3 2014 and has held it in 10 quarters since.
BlackRock Advisors's Amphastar Pharmaceuticals position peaked at $375K in Q3 2016.
138 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2016.

Based on BlackRock Advisors's 13F filing for Q4 2016, filed 10 Feb 2017.