Amkor Technology, Inc.
AMKR- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001047127
In the last 90 days, Amkor Technology, Inc. insiders filed 0 open-market purchases and 8 sales; 648 institutions reported holding it in 13F filings for Q2 2026, worth $9.95B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2021
Institutional positions in Amkor Technology, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 269
- +17 vs. Q2 2021
- Shares held
- 94.1M
- +303.3K (+0.3%) vs. Q2 2021
- Total value
- $2.35B
- +$130.7M (+5.9%) vs. Q2 2021
- New holders
- 43
- 78 more added
- Sold out
- 26
- 108 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AMKR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 648 | $9.95B |
| Q1 2026 | 533 | $5.44B |
| Q4 2025 | 455 | $4.49B |
| Q3 2025 | 383 | $3.06B |
| Q2 2025 | 348 | $2.37B |
| Q1 2025 | 347 | $1.96B |
| Q4 2024 | 335 | $2.81B |
| Q3 2024 | 359 | $3.27B |
| Q2 2024 | 395 | $4.22B |
| Q1 2024 | 338 | $3.43B |
| Q4 2023 | 317 | $3.50B |
| Q3 2023 | 305 | $2.33B |
| Q2 2023 | 300 | $2.86B |
| Q1 2023 | 294 | $2.45B |
| Q4 2022 | 294 | $2.27B |
| Q3 2022 | 274 | $1.61B |
| Q2 2022 | 266 | $1.61B |
| Q1 2022 | 281 | $2.05B |
| Q4 2021 | 273 | $2.33B |
| Q3 2021 | 269 | $2.35B |
| Q2 2021 | 256 | $2.22B |
| Q1 2021 | 255 | $2.28B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Amkor Technology, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eaton Vance Management | 98 | $0 | 0.00% | +48+96.0% | Added |
| Clearstead Advisors, LLC | 15 | $0 | 0.00% | +5+50.0% | Added |
| HBC Financial Services, PLLC | 10 | $0 | 0.00% | +10 | New |
| Kelly Financial Services LLC | 20 | $499 | 0.00% | −690−97.2% | Reduced |
| Raffa Wealth Management, LLC | 40 | $998 | 0.00% | 00.0% | Unchanged |
| Arkadios Wealth Advisors | 73 | $1.00K | 0.00% | 00.0% | Unchanged |
| Berman Capital Advisors, LLC | 46 | $1.00K | 0.00% | +11+31.4% | Added |
| Focused Wealth Management, Inc | 32 | $1.00K | 0.00% | +32 | New |
| Bell Investment Advisors, Inc | 22 | $1.00K | 0.00% | +22 | New |
| Globeflex Capital L P | 94 | $2.00K | 0.00% | −36,429−99.7% | Reduced |
| Reilly Financial Advisors, LLC | 100 | $2.00K | 0.00% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 83 | $2.00K | 0.00% | −10−10.8% | Reduced |
| Atlas Private Wealth Advisors | 75 | $2.00K | 0.00% | 00.0% | Unchanged |
| Benjamin Edwards Inc | 74 | $2.00K | 0.00% | +74 | New |
| Lazard Asset Management LLC | 135 | $3.00K | 0.00% | −5,064−97.4% | Reduced |
| Denali Advisors LLC | 113 | $3.00K | 0.00% | 00.0% | Unchanged |
| Tarbox Family Office, Inc. | 110 | $3.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 134 | $3.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 145 | $3.00K | 0.00% | +145 | New |
| Private Capital Group, LLC | 163 | $4.00K | 0.00% | −17−9.4% | Reduced |
| Quadrant Capital Group LLC | 175 | $4.00K | 0.00% | +137+360.5% | Added |
| Fifth Third Bancorp | 199 | $5.00K | 0.00% | −847−81.0% | Reduced |
| First Horizon Advisors, Inc. | 212 | $5.00K | 0.00% | −25−10.5% | Reduced |
| Geneos Wealth Management Inc. | 200 | $5.00K | 0.00% | 00.0% | Unchanged |
| Lee Financial Co | 238 | $6.00K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 269 | $6.00K | 0.00% | +269 | New |
| Aua Capital Management, LLC | 291 | $7.00K | 0.00% | −18−5.8% | Reduced |
| D'Orazio & Associates, Inc. | 314 | $8.00K | 0.00% | +314 | New |
| Signaturefd, LLC | 407 | $10.0K | 0.00% | +120+41.8% | Added |
| Savior LLC | 460 | $11.0K | 0.01% | −1,267−73.4% | Reduced |
| Whittier Trust Co | 432 | $11.0K | 0.00% | 00.0% | Unchanged |
| Solstein Capital, LLC | 464 | $12.0K | 0.01% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 466 | $12.0K | 0.00% | +179+62.4% | Added |
| American Portfolios Advisors | 579 | $14.6K | 0.00% | +500+632.9% | Added |
| Prestige Wealth Management Group LLC | 776 | $19.0K | 0.00% | +730+1,587.0% | Added |
| Spire Wealth Management | 806 | $20.0K | 0.00% | +2+0.2% | Added |
| Advisors Asset Management, Inc. | 906 | $23.0K | 0.00% | +906 | New |
| Vigilant Capital Management, LLC | 953 | $24.0K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 954 | $24.0K | 0.00% | +42+4.6% | Added |
| Parallel Advisors, LLC | 1,070 | $27.0K | 0.00% | +350+48.6% | Added |
| Exchange Traded Concepts, LLC | 1,234 | $31.0K | 0.00% | +1,234 | New |
| Nisa Investment Advisors, LLC | 1,425 | $36.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 1,566 | $39.0K | 0.00% | 00.0% | Unchanged |
| Baillie Gifford & Co | 1,891 | $47.0K | 0.00% | −314−14.2% | Reduced |
| Harvest Fund Management Co., Ltd | 1,922 | $47.0K | 0.01% | 00.0% | Unchanged |
| Ci Investments Inc. | 1,904 | $48.0K | 0.00% | +35+1.9% | Added |
| JJJ Advisors Inc. | 1,991 | $50.0K | 0.02% | +1,350+210.6% | Added |
| Dark Forest Capital Management LP | 2,096 | $52.0K | 0.02% | −4,217−66.8% | Reduced |
| Northwestern Mutual Wealth Management Co | 2,778 | $69.0K | 0.00% | −573−17.1% | Reduced |
| Brown Brothers Harriman & Co | 2,985 | $74.0K | 0.00% | 00.0% | Unchanged |
| Itau Unibanco Holding S.A. | 3,254 | $81.0K | 0.00% | +2,720+509.4% | Added |
| Boston Partners | 40,395 | $85.0K | 0.00% | +40,395 | New |
| Key Financial Inc | 3,520 | $88.0K | 0.05% | +3,520 | New |
| The PNC Financial Services Group, Inc. | 3,587 | $89.0K | 0.00% | +252+7.6% | Added |
| IFP Advisors, Inc | 4,222 | $106.0K | 0.00% | +101+2.5% | Added |
| Ellevest, Inc. | 4,583 | $114.0K | 0.01% | −864−15.9% | Reduced |
| Advisor Group Holdings, Inc. | 4,612 | $115.0K | 0.00% | −45−1.0% | Reduced |
| Leonteq Securities AG | 4,958 | $123.7K | 0.01% | −1,346−21.4% | Reduced |
| Smithfield Trust Co | 5,000 | $125.0K | 0.01% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 6,276 | $157.0K | 0.00% | −658−9.5% | Reduced |
| Steward Partners Investment Advisory, LLC | 6,305 | $157.0K | 0.00% | +954+17.8% | Added |
| Point72 Hong Kong Ltd | 7,148 | $178.0K | 0.01% | +3,380+89.7% | Added |
| Campbell & CO Investment Adviser LLC | 8,021 | $200.0K | 0.07% | +8,021 | New |
| Stokes Family Office, LLC | 8,187 | $204.0K | 0.03% | +8,187 | New |
| Captrust Financial Advisors | 8,329 | $208.0K | 0.00% | −70−0.8% | Reduced |
| Boston Private Wealth LLC | 8,475 | $212.0K | 0.00% | +8,475 | New |
| Cornercap Investment Counsel Inc | 8,520 | $213.0K | 0.02% | 00.0% | Unchanged |
| Fox Run Management, L.L.C. | 8,612 | $215.0K | 0.14% | +8,612 | New |
| CWM Advisors, LLC | 8,646 | $216.0K | 0.03% | −9,042−51.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 8,750 | $218.0K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 8,867 | $221.0K | 0.00% | −91−1.0% | Reduced |
| Securian Asset Management, Inc | 8,984 | $224.0K | 0.00% | −890−9.0% | Reduced |
| M&T Bank Corp | 9,040 | $226.0K | 0.00% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 9,200 | $230.0K | 0.01% | +9,200 | New |
| First Command Bank | 9,513 | $237.0K | 0.04% | 00.0% | Unchanged |
| First Command Financial Services, Inc. | 9,513 | $237.0K | 0.04% | 00.0% | Unchanged |
| Algert Global LLC | 9,566 | $239.0K | 0.03% | +9,566 | New |
| Merit Financial Group, LLC | 9,715 | $242.0K | 0.03% | +5+0.1% | Added |
| Virtu Financial LLC | 9,719 | $242.0K | 0.02% | +9,719 | New |
| Meeder Asset Management Inc | 9,826 | $244.0K | 0.01% | +2,197+28.8% | Added |
| Quantitative Investment Management, LLC | 9,799 | $244.0K | 0.02% | +9,799 | New |
| CIBC Asset Management Inc | 9,971 | $249.0K | 0.00% | +883+9.7% | Added |
| Amundi | 10,090 | $252.0K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 10,106 | $252.0K | 0.00% | +1,551+18.1% | Added |
| Two Sigma Investments, LP | 10,492 | $262.0K | 0.00% | −20,046−65.6% | Reduced |
| Marshall Wace, LLP | 10,528 | $263.0K | 0.00% | +10,528 | New |
| UBS Group AG | 10,595 | $264.0K | 0.00% | −46,297−81.4% | Reduced |
| Ontario Teachers Pension Plan Board | 10,861 | $271.0K | 0.00% | +10,861 | New |
| Tower Research Capital LLC (TRC) | 10,936 | $273.0K | 0.01% | −47,479−81.3% | Reduced |
| Cambria Investment Management, L.P. | 10,965 | $274.0K | 0.05% | 00.0% | Unchanged |
| One Wealth Advisors, LLC | 11,059 | $276.0K | 0.08% | −3,585−24.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,097 | $277.0K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 11,200 | $279.0K | 0.00% | −3,700−24.8% | Reduced |
| Eqis Capital Management, Inc. | 11,290 | $282.0K | 0.02% | −2,610−18.8% | Reduced |
| KBC Group NV | 11,689 | $292.0K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 11,794 | $294.0K | 0.00% | −4,243−26.5% | Reduced |
| Profund Advisors LLC | 12,192 | $304.0K | 0.01% | +3,284+36.9% | Added |
| Gofen & Glossberg LLC | 12,500 | $312.0K | 0.01% | 00.0% | Unchanged |
| Alps Advisors Inc | 12,621 | $315.0K | 0.00% | +12,621 | New |
| Gotham Asset Management, LLC | 13,333 | $333.0K | 0.01% | −13,976−51.2% | Reduced |