AMKOR TECHNOLOGY INC (AMKR) Institutional Ownership Changes & 13F Activity
AMKOR TECHNOLOGY INC (AMKR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Invesco Ltd., Jane Street Group, Llc, Bridgewater Associates, Lp, Price T Rowe Associates Inc, and D. E. Shaw & Co., Inc..
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | Buy | +322 | +0.3% | 98,847 | $8.52M | Q2 2026 | Sep 09, 2026 |
| Integrated Wealth Concepts Llc | Sell | -154 | -0.4% | 42,175 | $3.64M | Q2 2026 | Sep 09, 2026 |
| Parkside Financial Bank & Trust | Buy | +49 | +14.9% | 377 | $32.51K | Q2 2026 | Sep 04, 2026 |
| Citadel Advisors Llc | Buy | +832,297 | +425.0% | 1,028,138 | $88.66M | Q2 2026 | Sep 02, 2026 |
| Allianz Asset Management Gmbh | Sell | -297,792 | -21.5% | 1,086,641 | $93.70M | Q2 2026 | Sep 02, 2026 |
| Cornerstone Financial Management Llc | Buy | +11 | +35.5% | 42 | $3.62K | Q2 2026 | Aug 28, 2026 |
| Corient Private Wealth Llc | Buy | +92,929 | +142.7% | 158,037 | $13.63M | Q2 2026 | Aug 27, 2026 |
| Wellington Grp Llc | Buy | +53,115 | — | 53,115 | $4.58M | Q2 2026 | Aug 26, 2026 |
| California State Teachers Retirement System | Buy | +504 | +0.4% | 143,682 | $12.39M | Q2 2026 | Aug 24, 2026 |
| Assenagon Asset Management S.A. | Buy | +47,137 | +61.7% | 123,535 | $10.65M | Q2 2026 | Aug 21, 2026 |
| Harvest Fund Management Co., Ltd | Buy | +18,407 | — | 18,407 | $1.59M | Q2 2026 | Aug 20, 2026 |
| Cantor Fitzgerald, L. P. | Buy | +67,257 | — | 67,257 | $5.80M | Q2 2026 | Aug 19, 2026 |
| Mercer Global Advisors Inc | Buy | +7,666 | +18.8% | 48,528 | $4.18M | Q2 2026 | Aug 19, 2026 |
| Stock Yards Bank & Trust Co | Buy | +2,435 | — | 2,435 | $209.97K | Q2 2026 | Aug 19, 2026 |
| Fulcrum Asset Management Llp | Buy | +3,481 | — | 3,481 | $286.63K | Q2 2026 | Aug 18, 2026 |
| Jdm Financial Group Llc | Buy | +71 | — | 71 | $6.12K | Q2 2026 | Aug 18, 2026 |
| Jefferies Financial Group Inc. | Buy | +156,449 | — | 156,449 | $13.49M | Q2 2026 | Aug 17, 2026 |
| Integrated Investment Consultants, Llc | Buy | +9,394 | — | 9,394 | $810.04K | Q2 2026 | Aug 17, 2026 |
| Centaurus Financial, Inc. | Buy | +6,164 | — | 6,164 | $531.00K | Q2 2026 | Aug 17, 2026 |
| Proficio Capital Partners Llc | Buy | +4,452 | — | 4,452 | $383.90K | Q2 2026 | Aug 17, 2026 |
| United Capital Financial Advisors, Llc | Sell | -2,125 | -40.5% | 3,118 | $268.87K | Q2 2026 | Aug 17, 2026 |
| Public Employees Retirement System Of Ohio | Sell | -1,249 | -2.9% | 41,463 | $3.58M | Q2 2026 | Aug 17, 2026 |
| Empowered Funds, Llc | Buy | +654 | +12.4% | 5,912 | $509.79K | Q2 2026 | Aug 17, 2026 |
| Caitlin John, Llc | Buy | +40 | — | 40 | $3.45K | Q2 2026 | Aug 17, 2026 |
| Transamerica Financial Advisors, Llc | Buy | +2 | +1.6% | 131 | $11.30K | Q2 2026 | Aug 17, 2026 |
| Invesco Ltd. | Buy | +2,485,794 | — | 2,485,794 | $214.35M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Sell | -2,022,126 | -86.8% | 307,694 | $26.53M | Q2 2026 | Aug 14, 2026 |
| Bridgewater Associates, Lp | Sell | -1,573,784 | -99.5% | 7,145 | $616.11K | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +913,054 | +122.3% | 1,659,478 | $143.10M | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Sell | -863,905 | -58.0% | 624,860 | $53.88M | Q2 2026 | Aug 14, 2026 |
Frequently asked questions about AMKR activity
Which institutional owners are buying AMKR?
Institutional owners buying AMKR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in AMKR activity?
"Buy" means an investor increased their reported position in AMKR compared to the prior reporting period. This reflects growing exposure to AMKOR TECHNOLOGY INC (AMKR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in AMKR increasing?
Institutional interest in AMKR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related AMKR Institutional Insights
- AMKR Overview
- AMKR 13F Institutional Holders
- AMKR Top Institutional Shareholders
- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Technology Stocks By Institutional Investors
- Most Sold Technology Stocks By Institutional Investors
- AMKR Insider Trading & SEC Form 4 Activity
- AMKR Articles
- Top Institutional Investor Stock Rankings