Security key
03209R103
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)
CUSIP: 03209R103
Q3 2017 13F Holders as of 30 Sep 2017
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 20,292,672
- Total 13F value
- $362,569,441
- Share change
- -152,936
- SEC-reported price per share
- $17.87
- Number of holders
- 100
- Value change
- -$2,721,250
- Number of buys
- 38
- Number of sells
- 51
- Shares outstanding
- 46,377,939
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2017
Institutions
100
Top holders
10
AMPH full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2017
Previous quarter: Q2 2017
Amphastar Pharmaceuticals, Inc. SEC filings
Amphastar Pharmaceuticals, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 03209R103
Recent filing periods:
Ownership snapshot
Top reported holders of AMPH - Amphastar Pharmaceuticals, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
30 Jun 2017
13F
Lead comparable stake: 12%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock Finance, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock Finance, Inc.
12%
VANGUARD GROUP INC
5.2%
DIMENSIONAL FUND ADVISORS LP
2.9%
Invesco Ltd.
2.9%
FEDERATED HERMES, INC.
2.3%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
12%
|
$96,355,000
5,394,972 shares
|
— | 30 Jun 2017 |
| VANGUARD GROUP INC |
13F
Company
|
5.2%
|
$43,128,000
2,414,797 shares
|
— | 30 Jun 2017 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
2.9%
|
$23,786,000
1,331,842 shares
|
— | 30 Jun 2017 |
| Invesco Ltd. |
13F
Company
|
2.9%
|
$23,782,000
1,331,600 shares
|
— | 30 Jun 2017 |
| FEDERATED HERMES, INC. |
13F
Company
|
2.3%
|
$18,667,000
1,045,188 shares
|
— | 30 Jun 2017 |
| STATE STREET CORP |
13F
Company
|
2.1%
|
$17,306,000
969,128 shares
|
— | 30 Jun 2017 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
100
Shares
20,292,672
Rows available
100
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2017 vs Q2 2017 Across Filers
Q2 2017 holders
106
Q3 2017 holders
100
Holder diff
-6
| Investor | Q2 2017 Shares | Q3 2017 Shares | Share Diff | Share Chg % | Q2 2017 value | Q3 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend