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AMKR Amkor Technology Inc.

Information Technology, filed as AMKOR TECHNOLOGY INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab

Bought by 3 managers in 2026 Q2, sold by 1

  • 3 Owners
  • Max 5.7%
  • $58M
  • 2 new 1 add 1 exit

In 2026 Q2 Spencer Waxman and Lee Ainslie opened positions in Amkor Technology, Glen Kacher added, and Farallon Capital Management sold out.

Who owns this now

Largest portfolio weights among holders, up to 5.7% (Glen Kacher, Light Street Capital Management). Not free-float ownership.

  1. Glen Kacher Add 5.7%
  2. Spencer Waxman New 0.51%
  3. Lee Ainslie New 0.01%

Who owns AMKR

Sorted by value, long equity only, as of 2026 Q2.

History
Glen Kacher, Light Street Capital Management 5.7%, was 3.4% Add +46.6% 596,783 $51M History
Spencer Waxman, Shannon River Fund Management 0.51% New 0.51% 65,895 $5.7M History
Lee Ainslie, Maverick Capital 0.01% New 0.01% 8,860 $764K History
Farallon Capital Management exited 2026 Q2 Last 2026 Q1 0.03% Exit −0.03% 104,000 $4.7M History

3 current, 1 exited last period, options excluded

Weight bar: held both quarters added sold at this quarter’s reported price

Insider trades

Open-market buys and sales by AMKR's executives, directors and 10% owners in the last 12 months, from their Form 4s

All AMKR insider trades
  • None no insider bought on the open market
  • $986M sold by 10 insiders outside a trading plan
  • $6.6M sold by 4 insiders under 10b5-1 plans
  1. Megan Faust CFO
    Planned sale
    $47K 1,000 shares at $46.92 0.7% of stake
    Traded Oct 13 Filed Oct 15
    ↗
  2. Douglas A Alexander Director
    Planned sale
    $275K 5,000 shares at $55.00 15% of stake
    Traded Oct 2 Filed Oct 6
    ↗
  3. Megan Faust CFO
    Planned sale
    $49K 1,000 shares at $49.05 0.7% of stake
    Traded Sep 8 Filed Sep 10
    ↗
  4. Mark N Rogers EVP & General Counsel
    Planned sale
    $299K 5,000 shares at $59.78 11% of stake
    Traded Aug 17 Filed Aug 19
    ↗
  5. Megan Faust CFO
    Planned sale
    $54K 1,000 shares at $54.45 0.7% of stake
    Traded Aug 11 Filed Aug 13
    ↗
  6. Douglas A Alexander Director
    Planned sale
    $279K 5,000 shares at $55.81 15% of stake
    Traded Aug 7 Filed Aug 11
    ↗
  7. Guillaume Marie Jean Rutten Director
    Sale
    $2.7M 50,000 shares at $54.93 9.8% of stake
    Traded Aug 5–6 Filed Aug 7
    ↗
  8. Kevin K. Engel CEO
    Sale
    $151K 3,221 shares at $47.00 25% of stake
    Traded Jul 30 Filed Jul 31
    ↗
  9. Mark N Rogers EVP & General Counsel
    Planned sale
    $326K 5,000 shares at $65.12 11% of stake
    Traded Jul 16 Filed Jul 20
    ↗
  10. Megan Faust CFO
    Planned sale
    $70K 1,000 shares at $69.91 0.7% of stake
    Traded Jul 14 Filed Jul 16
    ↗
  11. Mark N Rogers EVP & General Counsel
    Planned sale
    $431K 5,000 shares at $86.21 11% of stake
    Traded Jun 16 Filed Jun 18
    ↗
  12. Winston J Churchill Director
    Sale
    $391K 5,000 shares at $78.20 15% of stake
    Traded Jun 12 Filed Jun 16
    ↗
  13. Megan Faust CFO
    Planned sale
    $70K 1,000 shares at $70.30 0.8% of stake
    Traded Jun 9 Filed Jun 11
    ↗
  14. Mark N Rogers EVP & General Counsel
    Planned sale
    $358K 5,000 shares at $71.63 11% of stake
    Traded May 18 Filed May 20
    ↗
  15. Megan Faust CFO
    Planned sale
    $65K 1,000 shares at $64.60 0.7% of stake
    Traded May 19 Filed May 20
    ↗

Also filed in the last 12 months, not counted as buying or selling: 67 option exercises, 40 share withholdings for taxes, 30 gifts, and 12 stock grants.

Congress

1 member of Congress traded AMKR in the last three years: 3 buys and 0 sales.

All Congress trades
  1. Markwayne Mullin R-OKJoint Buy $15K–$50K Feb 4 filed Mar 2
  2. Markwayne Mullin R-OK Buy $15K–$50K Jan 5 filed Feb 4
  3. Markwayne Mullin R-OKSpouse Buy $15K–$50K Jan 5 filed Feb 4

SEC filings

Recent issuer filings from EDGAR, 4 shown.

Filed Form Detail Links
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc
10-Q Filing Doc
8-K 2.02,9.01 Filing Doc

Source: SEC EDGAR submissions, updated 3 days ago. All on EDGAR

Financials

US-GAAP annual figures by fiscal year, as tagged in Form 10-K. Each value links to its SEC filing.

Income statement

Metric FY2023 FY2024 FY2025
Revenue $6.5B $6.32B $6.71B
Gross profit $943.15M $933.21M $938.6M
Gross margin * 14.5% 14.8% 14.0%
Net income $359.81M $354.01M $373.9M
Net margin * 5.5% 5.6% 5.6%

Balance sheet

Metric FY2023 FY2024 FY2025
Total current assets $3.2B $3.07B $3.88B
Total non-current assets * $3.58B $3.87B $4.25B
Total assets $6.77B $6.94B $8.14B
Total current liabilities $1.38B $1.46B $1.71B
Total non-current liabilities * $1.39B $1.31B $1.92B
Total equity $3.96B $4.15B $4.47B

Cash flow

Metric FY2023 FY2024 FY2025
Cash from operations $1.27B $1.09B $1.1B
Cash from investing -$951.91M -$800.32M -$885.04M
Cash from financing -$149.21M -$260.43M $98.7M
Net change in cash $158.21M $13.7M $311.81M

Source: SEC companyfacts (US-GAAP 10-K). A * marks a computed figure, not a single XBRL tag. Fiscal years are as the issuer labels them. Follow The Filings does not adjust or audit these figures.

Ownership over time

13Fs that reported it each quarter. Click a bar for that quarter’s holders.