Amkor Technology saw a flurry of ownership changes in the second quarter as both institutional investors and company insiders adjusted their positions, according to recent Securities and Exchange Commission filings.
Large institutional moves
Readystate Asset Management LP disclosed a newly acquired position of 34,785 shares in Amkor during the quarter, a stake reported to be worth about $3 million. That filing arrived amid other substantial transactions: BlackRock Inc. initiated a new position in Amkor valued at approximately $1,060,005,000, and Clal Insurance Enterprises Holdings Ltd. purchased a stake worth about $152,110,000.
Other notable changes included Royal Bank of Canada, which increased its holdings by 100.6% in the first quarter and reported ownership of 19,345 shares worth roughly $349,000 after adding about 3,454,012 shares during the period. Fisher Asset Management boosted its position in the company by 204.5% in the fourth quarter and now holds 2,095,027 shares valued at about $82,712,000. Norges Bank also reported a new position valued at approximately $53,702,000.
Insider selling and ownership concentration
Alongside these institutional moves, Amkor disclosed executive share sales. Chief Executive Officer Kevin Engel sold 3,221 shares on July 30 at an average price of $47.00, totaling about $151,387. Following that transaction, Engel was reported to directly own 9,666 shares in the company, with an estimated value of $454,302, representing a 24.99% reduction in his ownership stake.
In a separate filing, director Douglas Alexander sold 5,000 shares on Aug. 7. The SEC disclosures did not provide additional details in the filing excerpt.
Overall, institutional investors and hedge funds collectively hold about 42.76% of Amkor's stock, according to the filings, underscoring the material role of large asset managers and sovereign funds in the company's shareholder base.
- Readystate Asset Management: 34,785 shares (~$3 million)
- BlackRock Inc.: new position (~$1,060,005,000)
- Clal Insurance: stake (~$152,110,000)
- Fisher Asset Management: 2,095,027 shares (~$82,712,000)
| Investor | Reported change | Value (approx.) |
|---|---|---|
| Readystate Asset Management | New position | $3,000,000 |
| BlackRock Inc. | New position | $1,060,005,000 |
| Clal Insurance | New stake | $152,110,000 |
| Fisher Asset Management | Position increased 204.5% | $82,712,000 |
What the filings indicate
The filings reflect both new allocations into Amkor by large asset managers and profit-taking or portfolio rebalancing by insiders. The sizable entrance by BlackRock, if held in a long-term portfolio, signals significant institutional confidence or exposure to Amkor's role in semiconductor packaging and test services.
At the same time, insider sales by the CEO and a board director — disclosed in required SEC reports — may attract scrutiny from investors who watch leadership transactions for signals about near-term prospects. Executive sales are common and often part of planned routines or diversification, but they are closely monitored when they coincide with major outside buying.
Amkor, a supplier in semiconductor assembly and testing, operates in a sector that has seen heavy investor interest due to demand from automotive, cloud, and artificial intelligence applications. The mix of large new institutional stakes and insider reductions will likely factor into investor discussions about governance, capital allocation and the company’s outlook.
Regulatory filings cited in this report are available through the Securities and Exchange Commission for investors seeking the primary documents and full transaction details.
