What does CUSIP 03209R103 represent in this 13F holders report?

CUSIP 03209R103 is the security identifier for AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock in Q3 2016?

134 institutional investors reported AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock for Q3 2016. Use the holders table for investor-level position and value details.

Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)

CUSIP: 03209R103

Q3 2016 13F Holders as of 30 Sep 2016

Type / Class: Equity / Common Stock
Shares outstanding: 46,377,939
Total 13F shares: 22,197,017
Share change: +6,010,396
Total reported value: $421,063,192
Put/Call ratio: 176%
Price per share: $18.97
Number of holders: 134
Value change: +$114,569,375
Number of buys: 99
Number of sells: 32

Quarterly Holders Quick Answers

What is CUSIP 03209R103?
CUSIP 03209R103 identifies AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q4 2016
Previous quarter: Q2 2016

Recent filing periods for CUSIP 03209R103:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
FMR LLC	13F	Company	5.2%	2,398,531	$38,664,000	—	30 Jun 2016	13F
BlackRock Fund Advisors	13F	Company	3.2%	1,503,059	$24,229,000	—	30 Jun 2016	13F
VANGUARD GROUP INC	13F	Company	3.2%	1,499,766	$24,175,000	—	30 Jun 2016	13F
FEDERATED HERMES, INC.	13F	Company	3.2%	1,484,617	$23,932,000	—	30 Jun 2016	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	1.8%	824,113	$13,285,000	—	30 Jun 2016	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	1.8%	818,620	$13,195,000	—	30 Jun 2016	13F
STATE STREET CORP	13F	Company	1.3%	617,815	$9,960,000	—	30 Jun 2016	13F
TEACHERS ADVISORS, LLC	13F	Company	1.1%	515,560	$8,311,000	—	30 Jun 2016	13F
NORTHERN TRUST CORP	13F	Company	0.95%	440,796	$7,106,000	—	30 Jun 2016	13F
JPMORGAN CHASE & CO	13F	Company	0.94%	434,207	$6,999,000	—	30 Jun 2016	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.78%	361,010	$5,819,000	—	30 Jun 2016	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.64%	298,297	$4,808,000	—	30 Jun 2016	13F
Fisher Asset Management, LLC	13F	Company	0.54%	250,331	$4,241,000	—	30 Jun 2016	13F
Shinko Asset Management Co., Ltd.	13F	Company	0.54%	250,331	$4,035,000	—	30 Jun 2016	13F
Informed Momentum Co LLC	13F	Company	0.53%	246,805	$3,978,000	—	30 Jun 2016	13F
Skandinaviska Enskilda Banken AB (publ)	13F	Company	0.53%	244,800	$3,946,000	—	30 Jun 2016	13F
CITADEL ADVISORS LLC	13F	Company	0.46%	215,231	$3,469,000	—	30 Jun 2016	13F
KALMAR INVESTMENTS INC /DE/	13F	Company	0.45%	210,715	$3,397,000	—	30 Jun 2016	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.44%	205,975	$3,320,000	—	30 Jun 2016	13F
Emerald Acquisition Ltd.	13F	Company	0.43%	200,120	$3,227,000	—	30 Jun 2016	13F
Bank of New York Mellon Corp	13F	Company	0.41%	190,848	$3,076,000	—	30 Jun 2016	13F
CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC.	13F	Company	0.32%	147,919	$2,385,000	—	30 Jun 2016	13F
BlackRock Investment Management, LLC	13F	Company	0.3%	138,352	$2,230,000	—	30 Jun 2016	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.29%	134,745	$2,172,000	—	30 Jun 2016	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.28%	131,425	$2,119,000	—	30 Jun 2016	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.25%	117,347	$1,891,000	—	30 Jun 2016	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.25%	116,700	$1,881,000	—	30 Jun 2016	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.23%	105,630	$1,703,000	—	30 Jun 2016	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.23%	105,239	$1,696,000	—	30 Jun 2016	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.2%	94,340	$1,521,000	—	30 Jun 2016	13F
Allianz Asset Management GmbH	13F	Company	0.2%	94,014	$1,516,000	—	30 Jun 2016	13F
MENTA CAPITAL LLC	13F	Company	0.2%	91,185	$1,470,000	—	30 Jun 2016	13F
GUGGENHEIM CAPITAL LLC	13F	Company	0.17%	78,866	$1,272,000	—	30 Jun 2016	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.16%	74,633	$1,203,000	—	30 Jun 2016	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.16%	72,893	$1,176,000	—	30 Jun 2016	13F
CREDIT SUISSE AG/	13F	Company	0.14%	66,912	$1,079,000	—	30 Jun 2016	13F
MARTINGALE ASSET MANAGEMENT L P	13F	Company	0.14%	64,700	$1,043,000	—	30 Jun 2016	13F
Swiss National Bank	13F	Company	0.13%	58,800	$948,000	—	30 Jun 2016	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.12%	57,345	$924,000	—	30 Jun 2016	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.11%	53,070	$856,000	—	30 Jun 2016	13F
Nationwide Fund Advisors	13F	Company	0.11%	51,240	$826,000	—	30 Jun 2016	13F
Endurant Capital Management LP	13F	Company	0.11%	48,825	$787,000	—	30 Jun 2016	13F
STRS OHIO	13F	Company	0.1%	47,900	$772,000	—	30 Jun 2016	13F
MORGAN STANLEY	13F	Company	0.1%	47,794	$770,000	—	30 Jun 2016	13F
TFS CAPITAL LLC	13F	Company	0.1%	46,859	$755,000	—	30 Jun 2016	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.1%	45,886	$740,000	—	30 Jun 2016	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.09%	39,712	$640,000	—	30 Jun 2016	13F
Numeric Investors LLC	13F	Company	0.08%	37,879	$611,000	—	30 Jun 2016	13F
ProShare Advisors LLC	13F	Company	0.08%	37,737	$608,000	—	30 Jun 2016	13F
RHUMBLINE ADVISERS	13F	Company	0.07%	34,563	$557,000	—	30 Jun 2016	13F

Institutional Holders of Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) as of Q3 2016

As of 30 Sep 2016, Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH) was held by 134 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,197,017 shares. The largest 10 holders included BlackRock Fund Advisors, FMR LLC, VANGUARD GROUP INC, ACADIAN ASSET MANAGEMENT LLC, FEDERATED INVESTORS INC /PA/, STATE STREET CORP, BlackRock Institutional Trust Company, N.A., TEACHERS ADVISORS, LLC, DIMENSIONAL FUND ADVISORS LP, and NORTHERN TRUST CORP. This page lists 134 institutional shareholders reporting positions in this security for the Q3 2016 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q3 2016 vs Q2 2016 Across Filers

Q2 2016 holders

104

Q3 2016 holders

134

Holder diff

Investor	Q2 2016 Shares	Q3 2016 Shares	Share Diff	Share Chg %	Q2 2016 Value $	Q3 2016 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.