AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (AMKR)

CUSIP: 031652100

Q1 2019 13F Holders as of 31 Mar 2019

Holder snapshot 7 signals
Share change
+1,264,555
Put/Call ratio
50%
SEC-reported price per share
$8.54
Number of holders
166
Value change
+$15,412,646
Number of buys
77
Open additional details 1 more signal available
Number of sells
77
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
247,825,997

Security key

031652100

Report period

Q1 2019

Institutions

166

Top holders

10

Ownership snapshot

Top reported holders of AMKR - AMKOR TECHNOLOGY, INC. - Common Stock, par value $0.001 per share (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
DIMENSIONAL FUND ADVISORS LP
Disclosed value leader
DIMENSIONAL FUND ADVISORS LP
Comparable rows
0/15
Latest evidence
31 Dec 2018
13F Highest disclosed value: $114,293,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

DIMENSIONAL FUND ADVISORS LP has the largest disclosed position value at $114.29M.

0 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 DIMENSIONAL FUND ADVISORS LP's linked filing trail.
Disclosed position value Top 5
DIMENSIONAL FUND ADVISORS LP $114.29M
BlackRock Finance, Inc. $69.02M
VANGUARD GROUP INC $65.65M
LSV ASSET MANAGEMENT $61.19M
NORTHERN TRUST CORP $21.91M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
—
denominator unverified
$114,293,000
17,422,753 shares
— 31 Dec 2018
BlackRock Finance, Inc.
13F
Company
13F
—
denominator unverified
$69,023,000
10,521,970 shares
— 31 Dec 2018
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$65,647,000
10,007,214 shares
— 31 Dec 2018
LSV ASSET MANAGEMENT
13F
Company
13F
—
denominator unverified
$61,186,000
9,327,208 shares
— 31 Dec 2018
NORTHERN TRUST CORP
13F
Company
13F
—
denominator unverified
$21,907,000
3,339,445 shares
— 31 Dec 2018
D. E. Shaw & Co., Inc.
13F
Company
13F
—
denominator unverified
$17,696,000
2,697,529 shares
— 31 Dec 2018
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 2019

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
166
Shares
93,377,355
Rows available
166
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 2019 vs Q1 2019 Across Filers

Q1 2019 holders
166
Q1 2019 holders
166
Holder diff
0
Investor Q1 2019 Shares Q1 2019 Shares Share Diff Share Chg % Q1 2019 value Q1 2019 value Value change Value Chg %
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .