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Amphastar Pharmaceuticals

AMPH

Market cap $855M

104 hedge funds and large institutions have $261M invested in Amphastar Pharmaceuticals in 2016 Q2 according to their latest regulatory filings, with 19 funds opening new positions, 47 increasing their positions, 25 reducing their positions, and 8 closing their positions.

New

Increased

Maintained

Reduced

Closed

138% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 8

88% more repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 25

55% more capital invested

Capital invested by funds: $168M → $261M (+$92.6M)

9% more funds holding

Funds holding: 95 → 104 (+9)

Holders

104

Holders Change

Holders Change %

+9.47%

% of All Funds

2.78%

Holding in Top 10

–

Holding in Top 10 Change

–

Holding in Top 10 Change %

–

% of All Funds

–

New

Increased

Reduced

Closed

Calls

$691K

Puts

–

Net Calls

+$691K

Net Calls Change

+$691K

Top Buyers

1	Acadian Asset Management Boston, Massachusetts	+$5.17M
2	BIT BlackRock Institutional Trust San Francisco, California	+$3.63M
3	EI EAM Investors Solana Beach, California	+$3.48M
4	KI Kalmar Investments Greenville, Delaware	+$2.97M
5	Citadel Advisors Miami, Florida	+$2.86M

Top Sellers

1	SGAM Smith Group Asset Management Dallas, Texas	-$1.45M
2	ECM Endurant Capital Management San Mateo, California	-$1.29M
3	Fidelity Investments Boston, Massachusetts	-$1.26M
4	UBS AM Chicago, Illinois	-$1.01M
5	State Street Boston, Massachusetts	-$632K

#	Name	Holding	Trade Value	Shares Change	Change in Stake
26	BIM 26 Bogle Investment Management Newton Lower Falls, Massachusetts	$1.89M	+$1.66M	+117,347	New
27	27 Two Sigma Advisers New York	$1.88M	-$74.8K	-5,300	-4%
28	28 AllianceBernstein Nashville, Tennessee	$1.7M	+$936K	+66,370	+169%
29	EIM 29 Essex Investment Management Boston, Massachusetts	$1.7M	+$1.04M	+73,922	+236%
30	30 Ameriprise Minneapolis, Minnesota	$1.52M	+$1.33M	+94,340	New
31	31 Allianz Asset Management Munich, Germany	$1.52M	+$1.33M	+94,014	New
32	MC 32 Menta Capital San Francisco, California	$1.47M	+$660K	+46,805	+105%
33	GC 33 Guggenheim Capital Chicago, Illinois	$1.27M	-$265K	-18,799	-19%
34	34 California State Teachers Retirement System (CalSTRS) West Sacramento, California	$1.2M	+$103K	+7,291	+11%
35	35 Charles Schwab San Francisco, California	$1.18M	+$279K	+19,767	+37%
36	CS 36 Credit Suisse Zurich, Switzerland	$1.08M	+$504K	+35,754	+115%
37	MAM 37 Martingale Asset Management Boston, Massachusetts	$1.04M	-$360K	-25,525	-28%
38	38 Swiss National Bank Zurich, Switzerland	$948K	+$62.1K	+4,400	+8%
39	PPA 39 Parametric Portfolio Associates Seattle, Washington	$924K	+$149K	+10,576	+23%
40	40 Goldman Sachs New York	$856K	+$53.3K	+3,780	+8%
41	NFA 41 Nationwide Fund Advisors Columbus, Ohio	$826K	+$168K	+11,915	+30%
42	ECM 42 Endurant Capital Management San Mateo, California	$787K	-$1.29M	-91,325	-65%
43	SO 43 STRS Ohio Columbus, Ohio	$772K	+$33.9K	+2,400	+5%
44	44 Morgan Stanley New York	$770K	+$123K	+8,716	+22%
45	TC 45 TFS Capital West Chester, Pennsylvania	$755K	-$430K	-30,501	-39%
46	46 Massachusetts Financial Services Boston, Massachusetts	$740K	-$40.2K	-2,851	-6%
47	47 AQR Capital Management Greenwich, Connecticut	$640K	+$252K	+17,853	+82%
48	NI 48 Numeric Investors Boston, Massachusetts	$611K	+$212K	+15,000	+66%
49	49 ProShare Advisors Bethesda, Maryland	$608K	+$7.39K	+524	+1%
50	50 RhumbLine Advisers Boston, Massachusetts	$557K	-$24.3K	-1,722	-5%