CHIPMOS TECHNOLOGIES INC IMOS
SPONSORD ADS NEW · ADR · CUSIP 16965P202
Taiwanese semiconductor company
- SectorTechnology
- IndustrySemiconductors & Related Devices
- HeadquartersHsinchu City, Taiwan
- Websitechipmos.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($237.5k this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $64.20. Options: 5 managers hold calls ($6.3m notional), 3 hold puts ($2.0m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 53 |
| Q4 2022 | 47 |
| Q1 2023 | 48 |
| Q2 2023 | 49 |
| Q3 2023 | 50 |
| Q4 2023 | 57 |
| Q1 2024 | 63 |
| Q2 2024 | 61 |
| Q3 2024 | 57 |
| Q4 2024 | 53 |
| Q1 2025 | 48 |
| Q2 2025 | 52 |
| Q3 2025 | 51 |
| Q4 2025 | 58 |
| Q1 2026 | 73 |
| Q2 2026 | 91 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 19 | 34 |
| Q4 2024 | 17 | 30 |
| Q1 2025 | 13 | 26 |
| Q2 2025 | 26 | 17 |
| Q3 2025 | 19 | 22 |
| Q4 2025 | 23 | 21 |
| Q1 2026 | 41 | 19 |
| Q2 2026 | 57 | 27 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $254.8k | $318.1k | 1.25 |
| Q4 2025 | $4.1m | $1.0m | 0.26 |
| Q1 2026 | $0 | $1.6m | — |
| Q2 2026 | $6.3m | $2.0m | 0.32 |
Biggest buyers
| XY Capital Ltd | New | +130.3k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | Added | +92.7k |
| JANE STREET GROUP, LLC | Added | +43.7k |
| Qube Research & Technologies Ltd | New | +32.6k |
| JPMORGAN CHASE & CO | Added | +21.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | +20.8k |
| TWO SIGMA INVESTMENTS, LP | Added | +20.6k |
| Caprock Group, LLC | Added | +14.5k |
| XTX Topco Ltd | Added | +11.1k |
| LVW Advisors, LLC | Added | +9.4k |
Biggest sellers
| ACADIAN ASSET MANAGEMENT LLC | Reduced | -28.5k |
| Parvin Asset Management, LLC | Sold out | -21.8k |
| Quadrature Capital Ltd | Reduced | -15.2k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -12.1k |
| MILLENNIUM MANAGEMENT LLC | Sold out | -10.7k |
| CITADEL ADVISORS LLC | Reduced | -7.2k |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | -5.0k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -3.6k |
| ENVESTNET ASSET MANAGEMENT INC | Reduced | -1.6k |
| QUADRANT CAPITAL GROUP LLC | Reduced | -1.5k |
Biggest calls
| PEAK6 LLC | New | $4.0m61.5k shares |
| JANE STREET GROUP, LLC | New | $1.1m17.3k shares |
| CITADEL ADVISORS LLC | New | $501.1k7.8k shares |
| GROUP ONE TRADING LLC | New | $385.5k6.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $346.9k5.4k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $1.7m26.5k shares |
| CITADEL ADVISORS LLC | New | $302.0k4.7k shares |
| SIMPLEX TRADING, LLC | New | $6.4k100 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC 0.10% of their portfolio | 1.1m $71.1m | Reduced -12.1k |
| BlackRock, Inc. 0.00% of their portfolio | 255.5k $16.4m | Added +1.1k |
| ACADIAN ASSET MANAGEMENT LLC 0.02% of their portfolio | 197.1k $12.6m | Reduced -28.5k |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC 0.05% of their portfolio | 172.4k $11.1m | Added +92.7k |
| XY Capital Ltd 9.62% of their portfolio | 130.3k $8.4m | New |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 88.7k $5.7m | Reduced -3.6k |
| Vanguard Personalized Indexing Management, LLC 0.04% of their portfolio | 72.5k $4.7m | Added +3.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 53.1k $3.4m | Reduced -1.6k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 52.9k $3.4m | Added +43.7k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 50.8k $3.3m | Added +20.6k |
| Creative Planning 0.00% of their portfolio | 49.4k $3.2m | Added +4.5k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 34.4k $2.2m | Added +1.8k |
| RENAISSANCE GROUP LLC 0.09% of their portfolio | 34.1k $2.2m | Reduced -1.0k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 32.6k $2.1m | New |
| Caprock Group, LLC 0.04% of their portfolio | 30.9k $2.0m | Added +14.5k |
| Ballentine Partners, LLC 0.02% of their portfolio | 26.8k $1.7m | Added +4.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 25.7k $1.7m | Added +1.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 21.9k $1.3m | Added +21.8k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 20.8k $1.3m | New |
| SIGNATUREFD, LLC 0.02% of their portfolio | 20.7k $1.3m | Reduced -186 |
| XTX Topco Ltd 0.02% of their portfolio | 19.8k $1.3m | Added +11.1k |
| LVW Advisors, LLC 0.10% of their portfolio | 18.9k $1.2m | Added +9.4k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 17.6k $1.1m | Reduced -7.2k |
| Trexquant Investment LP 0.01% of their portfolio | 16.4k $1.1m | Added +9.0k |
| Kathmere Capital Management, LLC 0.05% of their portfolio | 13.4k $860.6k | Added +7.7k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 12.8k $820.9k | Reduced -145 |
| LPL Financial LLC 0.00% of their portfolio | 12.7k $819.0k | Reduced -722 |
| QUADRANT CAPITAL GROUP LLC 0.02% of their portfolio | 12.1k $775.6k | Reduced -1.5k |
| RITHOLTZ WEALTH MANAGEMENT 0.01% of their portfolio | 8.9k $575.0k | New |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 8.0k $517.0k | New |
| MORGAN STANLEY 0.00% of their portfolio | 8.0k $512.1k | Added +6.6k |
| Vident Advisory, LLC 0.00% of their portfolio | 7.6k $489.1k | New |
| Mariner, LLC 0.00% of their portfolio | 7.1k $459.1k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 6.8k $434.6k | Added +4.6k |
| Parallel Advisors, LLC 0.01% of their portfolio | 6.5k $420.5k | Added +202 |
| Engineers Gate Manager LP 0.00% of their portfolio | 5.8k $372.6k | New |
| DELPHI MANAGEMENT INC /MA/ 0.36% of their portfolio | 5.7k $367.0k | Reduced -1.4k |
| LSV ASSET MANAGEMENT 0.00% of their portfolio | 5.6k $360.0k | Unchanged |
| Foster Group, Inc. 0.01% of their portfolio | 5.3k $338.5k | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.00% of their portfolio | 5.1k $330.1k | Reduced -5.0k |
| Quadrature Capital Ltd 0.00% of their portfolio | 4.8k $306.9k | Reduced -15.2k |
| HRT FINANCIAL LP 0.00% of their portfolio | 4.8k $306.0k | New |
| &PARTNERS 0.00% of their portfolio | 4.5k $290.3k | New |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 4.2k $266.7k | New |
| Quantinno Capital Management LP 0.00% of their portfolio | 4.2k $268.8k | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 4.2k $267.3k | New |
| Arax Advisory Partners 0.00% of their portfolio | 4.1k $262.3k | Added +1.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 3.7k $237.6k | New |
| Squarepoint Ops LLC 0.00% of their portfolio | 3.7k $234.8k | New |
| EVERGREEN CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 3.6k $235.2k | New |
| GAMMA Investing LLC 0.01% of their portfolio | 3.4k $216.1k | Added +123 |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 3.3k $214.9k | New |
| Ascent Group, LLC 0.01% of their portfolio | 3.3k $209.5k | New |
| SmartHarvest Portfolios, LLC 0.06% of their portfolio | 3.1k $200.1k | New |
| Westside Investment Management, Inc. 0.02% of their portfolio | 2.2k $139.0k | Unchanged |
| Smartleaf Asset Management LLC 0.00% of their portfolio | 1.8k $103.5k | Unchanged |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 1.7k $106.3k | Added +77 |
| Allworth Financial LP 0.00% of their portfolio | 1.6k $101.1k | Reduced -720 |
| US BANCORP \DE\ 0.00% of their portfolio | 940 $60.4k | Added +159 |
| Global Retirement Partners, LLC 0.00% of their portfolio | 934 $60.0k | First filing |
| Bell Investment Advisors, Inc 0.01% of their portfolio | 653 $42.0k | Unchanged |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 623 $40.0k | Added +185 |
| ASSETMARK, INC 0.00% of their portfolio | 605 $38.9k | Added +55 |
| UBS Group AG 0.00% of their portfolio | 568 $36.5k | Added +567 |
| CITIGROUP INC 0.00% of their portfolio | 550 $35.3k | New |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 522 $33.9k | Added +65 |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 428 $27.5k | New |
| NewEdge Advisors, LLC 0.00% of their portfolio | 424 $27.2k | Reduced -373 |
| Physician Wealth Advisors, Inc. 0.00% of their portfolio | 369 $23.7k | Reduced -121 |
| BESSEMER GROUP INC 0.00% of their portfolio | 279 $18.0k | Unchanged |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 270 $17.3k | New |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 264 $17.0k | Unchanged |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 248 $15.9k | New |
| Coston, McIsaac & Partners 0.00% of their portfolio | 217 $13.0k | Unchanged |
| Larson Financial Group LLC 0.00% of their portfolio | 192 $12.3k | Unchanged |
| AdvisorNet Financial, Inc 0.00% of their portfolio | 150 $9.6k | Unchanged |
| Crewe Advisors LLC 0.00% of their portfolio | 113 $7.3k | Unchanged |
| Cornerstone Financial Management LLC 0.01% of their portfolio | 109 $7.0k | Added +28 |
| FIDUCIARY FINANCIAL ADVISORS 0.00% of their portfolio | 78 $4.9k | New |
| PRIVATE TRUST CO NA 0.00% of their portfolio | 77 $4.9k | Reduced -18 |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 66 $4.2k | Added +1 |
| Winch Advisory Services, LLC 0.00% of their portfolio | 60 $3.9k | Unchanged |
| Dogwood Wealth Management LLC 0.00% of their portfolio | 51 $3.3k | Unchanged |
| HANTZ FINANCIAL SERVICES, INC. 0.00% of their portfolio | 50 $3.0k | Not comparable |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 43 $2.8k | Added +40 |
| Moisand Fitzgerald Tamayo, LLC 0.00% of their portfolio | 39 $2.5k | Unchanged |
| Silver Grove Financial Group, Inc. 0.00% of their portfolio | 30 $1.9k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 21 $1.0k | Reduced -595 |
| IFP Advisors, Inc 0.00% of their portfolio | 15 $964 | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 1 $62 | Added +1 |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 1 $64 | New |