Security key
03209R103
Amphastar Pharmaceuticals, Inc. - Common Stock (AMPH)
CUSIP: 03209R103
Q1 2017 13F Holders as of 31 Mar 2017
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 20,427,180
- Total 13F value
- $296,235,043
- Share change
- +3,149,504
- Put/Call ratio
- 145%
- SEC-reported price per share
- $14.50
- Number of holders
- 114
- Value change
- +$42,154,775
- Number of buys
- 59
- Number of sells
- 66
- Shares outstanding
- 46,377,939
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2017
Institutions
114
Top holders
10
AMPH full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2017
Previous quarter: Q4 2016
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 Fund Advisors
Disclosed value leader
BlackRock Fund Advisors
Comparable rows
15/15
Latest evidence
31 Dec 2016
13F
Lead comparable stake: 8.4%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Fund Advisors leads the comparable SEC ownership view at 8.4%.
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 Fund Advisors's linked filing trail.
Comparable ownership
Top 5
BlackRock Fund Advisors
8.4%
VANGUARD GROUP INC
4.7%
ACADIAN ASSET MANAGEMENT LLC
3.2%
FEDERATED HERMES, INC.
2.9%
FMR LLC
2.8%
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 Fund Advisors |
13F
Company
|
8.4%
|
$71,844,000
3,900,323 shares
|
— | 31 Dec 2016 |
| VANGUARD GROUP INC |
13F
Company
|
4.7%
|
$39,990,000
2,171,020 shares
|
— | 31 Dec 2016 |
| ACADIAN ASSET MANAGEMENT LLC |
13F
Company
|
3.2%
|
$27,668,000
1,502,151 shares
|
— | 31 Dec 2016 |
| FEDERATED HERMES, INC. |
13F
Company
|
2.9%
|
$24,769,000
1,344,684 shares
|
— | 31 Dec 2016 |
| FMR LLC |
13F
Company
|
2.8%
|
$24,269,000
1,317,541 shares
|
— | 31 Dec 2016 |
| STATE STREET CORP |
13F
Company
|
2.1%
|
$17,610,000
955,991 shares
|
— | 31 Dec 2016 |
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 Q1 2017
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
114
Shares
20,427,180
Rows available
114
| 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 Q1 2017 vs Q4 2016 Across Filers
Q4 2016 holders
135
Q1 2017 holders
114
Holder diff
-21
| Investor | Q4 2016 Shares | Q1 2017 Shares | Share Diff | Share Chg % | Q4 2016 value | Q1 2017 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend