BlackRock Investment Management’s Amphastar Pharmaceuticals AMPH Stock Holding History

BlackRock Investment Management’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	$3.45M	Buy	187,464 +33,368	+22%	+$649K	﹤0.01%	1828
2016 Q3	$2.92M	Buy	154,096 +15,744	+11%	+$286K	﹤0.01%	1871
2016 Q2	$2.23M	Buy	138,352 +19,507	+16%	+$275K	﹤0.01%	2013
2016 Q1	$1.43M	Buy	118,845 +591	+0.5%	+$6.97K	﹤0.01%	2230
2015 Q4	$1.68M	Sell	118,254 -30	-0%	-$396	﹤0.01%	2214
2015 Q3	$1.38M	Buy	118,284 +238	+0.2%	+$3.57K	﹤0.01%	2351
2015 Q2	$2.08M	Buy	118,046 +90,769	+333%	+$1.41M	﹤0.01%	2199
2015 Q1	$408K	Buy	27,277 +1,503	+6%	+$20.1K	﹤0.01%	3036
2014 Q4	$299K	Buy	25,774 +551	+2%	+$6K	﹤0.01%	3184
2014 Q3	$294K	Buy	+25,223	New	+$263K	﹤0.01%	3179

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 $84.2B AUM 55.88% 1-Year Est. Return

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

BIT

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

BlackRock Investment Management's AMPH Position: Q4 2016 in Review

BlackRock Investment Management increased its Amphastar Pharmaceuticals (AMPH) stake by 22% in Q4 2016, buying an estimated $649K and bringing the position to 187,464 shares worth $3.45M. The position accounts for ﹤0.01% of the portfolio, ranked #1828.

BlackRock Investment Management first reported a position in AMPH in Q3 2014 and has held it in 10 quarters since. 138 funds tracked by Wall St. Rank hold AMPH as of Q4 2016.

BlackRock Investment Management held 187,464 shares of Amphastar Pharmaceuticals worth $3.45M as of Q4 2016.
BlackRock Investment Management bought 33,368 Amphastar Pharmaceuticals shares in Q4 2016, an estimated $649K.
Amphastar Pharmaceuticals made up ﹤0.01% of BlackRock Investment Management's portfolio in Q4 2016, its #1828 holding.
BlackRock Investment Management first reported a position in Amphastar Pharmaceuticals in Q3 2014 and has held it in 10 quarters since.
138 funds tracked by Wall St. Rank held Amphastar Pharmaceuticals as of Q4 2016.

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