CHIPMOS TECHNOLOGIES INC - IMOS
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 13 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 1,125,190 | 33,339 | 0.05% | 0.03% | 1 | -16,400 | -1.44% | Q4 2025 | Feb 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 253,252 | 7,497 | 0.01% | 0.01% | 2 | -12,140 | -4.57% | Q4 2025 | Feb 10, 2026 |
| BlackRock, Inc. | History | Reduced | 244,680 | 7,249 | 0.0% | 0.0% | 3 | -2,371 | -0.96% | Q4 2025 | Feb 12, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Added to | 91,919 | 2,726 | 0.0% | 0.0% | 4 | +356 | 0.39% | Q4 2025 | Feb 12, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | Added to | 73,380 | 2,175 | 0.02% | 0.01% | 5 | +2,240 | 3.15% | Q4 2025 | Feb 13, 2026 |
| Creative Planning | History | Reduced | 41,876 | 1,240 | 0.0% | 0.0% | 6 | -949 | -2.22% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE GROUP LLC | History | Reduced | 36,244 | 1,073 | 0.04% | 0.04% | 7 | -15,150 | -29.48% | Q4 2025 | Feb 11, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 35,400 | 1,049 | 0.0% | 0.0% | 8 | +22,100 | 166.17% | Q4 2025 | Feb 17, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 27,965 | 828 | 0.0% | 0.0% | 9 | +830 | 3.06% | Q4 2025 | Mar 25, 2026 |
| Parvin Asset Management, LLC | History | Reduced | 22,245 | 659 | 0.52% | 0.42% | 10 | -3,100 | -12.23% | Q4 2025 | Feb 17, 2026 |
| Ballentine Partners, LLC | History | Added to | 21,521 | 637 | 0.01% | 0.01% | 11 | +1,028 | 5.02% | Q4 2025 | Feb 03, 2026 |
| RHUMBLINE ADVISERS | History | Reduced | 21,247 | 630 | 0.0% | 0.0% | 12 | -15,838 | -42.71% | Q4 2025 | Feb 13, 2026 |
| SIGNATUREFD, LLC | History | Added to | 21,237 | 629 | 0.01% | 0.01% | 13 | +211 | 1.0% | Q4 2025 | Jan 20, 2026 |
| UBS Group AG | History | Added to | 18,368 | 544 | 0.0% | 0.0% | 14 | +18,291 | 23754.55% | Q4 2025 | Jan 29, 2026 |
| CITADEL ADVISORS LLC | History | Reduced | 16,268 | 482 | 0.0% | 0.0% | 15 | -21,396 | -56.81% | Q4 2025 | Feb 17, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 13,696 | 405 | 0.0% | 0.0% | 16 | +659 | 5.05% | Q4 2025 | Feb 17, 2026 |
| QUADRANT CAPITAL GROUP LLC | History | Added to | 13,132 | 389 | 0.01% | 0.01% | 17 | +1,686 | 14.73% | Q4 2025 | Feb 13, 2026 |
| LPL Financial LLC | History | Reduced | 11,058 | 327 | 0.0% | 0.0% | 18 | -70 | -0.63% | Q4 2025 | Feb 11, 2026 |
| XY Capital Ltd | History | New | 10,596 | 313 | 0.2% | — | 19 | +10,596 | New | Q4 2025 | Feb 12, 2026 |
| RBF Capital, LLC | History | New | 8,965 | 265 | 0.01% | — | 20 | +8,965 | New | Q4 2025 | Feb 17, 2026 |
| Connor, Clark & Lunn Investment Management Ltd. | History | New | 8,779 | 260 | 0.0% | — | 21 | +8,779 | New | Q4 2025 | Feb 10, 2026 |
| Parallel Advisors, LLC | History | Added to | 6,280 | 186 | 0.0% | 0.0% | 22 | +138 | 2.25% | Q4 2025 | Feb 11, 2026 |
| LSV ASSET MANAGEMENT | History | No change | 5,600 | 166 | 0.0% | 0.0% | 23 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| GAMMA Investing LLC | History | Added to | 3,276 | 97 | 0.0% | 0.0% | 24 | +410 | 14.31% | Q4 2025 | Jan 05, 2026 |
| Westside Investment Management, Inc. | History | No change | 2,163 | 66 | 0.01% | 0.01% | 25 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Arax Advisory Partners | History | Reduced | 2,151 | 63 | 0.0% | 0.0% | 26 | -175 | -7.52% | Q4 2025 | Feb 13, 2026 |
| Smartleaf Asset Management LLC | History | New | 1,774 | 54 | 0.0% | — | 27 | +1,774 | New | Q4 2025 | Feb 13, 2026 |
| Allworth Financial LP | History | New | 1,546 | 45 | 0.0% | — | 28 | +1,546 | New | Q4 2025 | Feb 05, 2026 |
| Bell Investment Advisors, Inc | History | Added to | 1,399 | 41 | 0.01% | 0.0% | 29 | +268 | 23.7% | Q4 2025 | Feb 24, 2026 |
| MORGAN STANLEY | History | Reduced | 1,219 | 36 | 0.0% | 0.0% | 30 | -470 | -27.83% | Q4 2025 | Feb 13, 2026 |
| Farther Finance Advisors, LLC | History | Added to | 1,185 | 35 | 0.0% | — | 31 | +1,178 | 16828.57% | Q4 2025 | Jan 23, 2026 |
| Global Retirement Partners, LLC | History | Reduced | 998 | 29 | 0.0% | 0.0% | 33 | -11 | -1.09% | Q4 2025 | Feb 06, 2026 |
| JNBA Financial Advisors | History | No change | 1,000 | 29 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q4 2025 | Jan 26, 2026 |
| US BANCORP \DE\ | History | Reduced | 748 | 22 | 0.0% | 0.0% | 34 | -196 | -20.76% | Q4 2025 | Jan 30, 2026 |
| ASSETMARK, INC | History | No change | 584 | 17 | 0.0% | 0.0% | 35 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Physician Wealth Advisors, Inc. | History | Reduced | 473 | 14 | 0.0% | 0.0% | 36 | -66 | -12.24% | Q4 2025 | Jan 29, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | New | 433 | 12 | 0.0% | — | 37 | +433 | New | Q4 2025 | Jan 15, 2026 |
| ROYAL BANK OF CANADA | History | New | 377 | 11 | 0.0% | — | 38 | +377 | New | Q4 2025 | Feb 17, 2026 |
| BESSEMER GROUP INC | History | New | 279 | 8 | 0.0% | — | 39 | +279 | New | Q4 2025 | Feb 05, 2026 |
| EverSource Wealth Advisors, LLC | History | Reduced | 285 | 8 | 0.0% | 0.0% | 41 | -96 | -25.2% | Q4 2025 | Feb 06, 2026 |
| NewEdge Advisors, LLC | History | No change | 303 | 8 | 0.0% | 0.0% | 40 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| Federation des caisses Desjardins du Quebec | History | Reduced | 264 | 7 | 0.0% | 0.0% | 43 | -178 | -40.27% | Q4 2025 | Feb 12, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 238 | 7 | 0.0% | 0.0% | 42 | -71 | -22.98% | Q4 2025 | Feb 17, 2026 |
| Coston, McIsaac & Partners | History | No change | 217 | 6 | 0.0% | 0.0% | 44 | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |
| Larson Financial Group LLC | History | No change | 192 | 5 | 0.0% | 0.0% | 45 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| CWM, LLC | History | No change | 100 | 3 | 0.0% | 0.0% | 46 | 0 | 0.0% | Q4 2025 | Jan 26, 2026 |
| Crewe Advisors LLC | History | No change | 113 | 3 | 0.0% | 0.0% | 47 | 0 | 0.0% | Q4 2025 | Jan 16, 2026 |
| JPMORGAN CHASE & CO | History | No change | 80 | 2 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| PRIVATE TRUST CO NA | History | No change | 95 | 2 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q4 2025 | Jan 26, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 63 | 1 | 0.0% | — | 53 | +60 | 2000.0% | Q4 2025 | Feb 03, 2026 |
| Cornerstone Financial Management LLC | History | New | 56 | 1 | 0.0% | — | 54 | +56 | New | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | Added to | 48 | 1 | 0.0% | — | 50 | +47 | 4700.0% | Q4 2025 | Feb 13, 2026 |
| Winch Advisory Services, LLC | History | No change | 60 | 1 | 0.0% | 0.0% | 51 | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |
| Moisand Fitzgerald Tamayo, LLC | History | No change | 39 | 1 | 0.0% | — | 52 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| ENVESTNET ASSET MANAGEMENT INC | History | Closed out | 0 | 0 | — | 0.0% | — | -27,539 | -100.0% | Q3 2025 | Nov 05, 2025 |
| ABC ARBITRAGE SA | History | Closed out | 0 | 0 | — | 0.03% | — | -15,185 | -100.0% | Q3 2025 | Nov 06, 2025 |
| IFP Advisors, Inc | History | New | 15 | 0 | — | — | — | +15 | New | Q4 2025 | Feb 06, 2026 |
| Root Financial Partners, LLC | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 10, 2026 |
| WELLS FARGO & COMPANY/MN | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Parkside Financial Bank & Trust | History | No change | 11 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| HHM Wealth Advisors, LLC | History | No change | 7 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 22, 2026 |