Amkor Technology, Inc. 13F holders
Of the 44 funds followed here, 9 reported a position in Amkor Technology, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 2.8 million shares worth $241.3 million, 0.0% of its reported book. New this quarter: Renaissance Technologies.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 2,798,149 | $241.3 million | 0.0% | +67,641 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 2,565,226 | $221.2 million | 0.2% | -571,008 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 2,031,238 | $175.2 million | 0.0% | +1,150,597 | added | 30 June 2026 | 13F |
| Norges Bank | 1,477,233 | $127.4 million | 0.0% | held | 30 June 2026 | 13F | |
| Two Sigma Investments | 1,095,001 | $94.4 million | 0.1% | -145,893 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 836,386 | $72.1 million | 0.0% | +578,922 | added | 30 June 2026 | 13F |
| Millennium Management | 641,052 | $55.3 million | 0.0% | -173,591 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 580,600 | $50.1 million | 0.1% | +580,600 | new | 30 June 2026 | 13F |
| Bridgewater Associates | 7,145 | $616,113 | 0.0% | -1,573,784 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 9 April 2026 | 13G/A | Dimensional Fund Advisors LP and 1 other | 11.0 million | 4.4% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 14 September 2026 | 17 | $51.73 | SEC |
| 10 September 2026 | 16,626 | $51.35 | SEC |
| 8 September 2026 | 84 | $47.77 | SEC |
| 4 September 2026 | 15 | $46.94 | SEC |
| 26 August 2026 | 85 | $48.70 | SEC |
| 21 August 2026 | 93 | $50.86 | SEC |
| 12 August 2026 | 7,163 | $54.30 | SEC |
| 4 August 2026 | 29 | $50.84 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
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Largest in the window: 16,626 on 10 September 2026. A fail is an operational fact about settlement, not a position.Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to AMKR by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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