Security record
UMC
United Microelectronics Corporation · Technology · Semiconductors
86Tracked holders
-2Δ holders
146.21MShares held
$3.98BReported value
+11New positions
−13Exits
Momentum inputs (comparable managers):
holder breadth -2.3% ·
share flow +2.6% ·
net new positions -2.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 86 | -2 | 146.21M | $3.98B | +11 | −13 |
| Q1 2026 | 89 | +13 | 142.48M | $1.27B | +18 | −5 |
| Q4 2025 | 75 | +2 | 121.29M | $945.85M | +2 | — |
| Q3 2025 | 12 | -1 | 78.28M | $593.39M | +1 | −2 |
| Q2 2025 | 10 | 0 | 46.93M | $360.60M | +1 | −1 |
| Q1 2025 | 7 | -3 | 18.53M | $132.51M | — | −3 |
| Q4 2024 | 10 | +3 | 38.45M | $249.57M | +3 | — |
| Q3 2024 | 6 | 0 | 23.91M | $201.36M | +1 | −1 |
| Q2 2024 | 6 | — | 19.00M | $166.45M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 31.54M | +14.7% | $858.32M | 0.0% | ▲ Add | 5 | SEC ↗ ×14 |
| 2 | UBS Group AG | 11.63M | +42.3% | $316.53M | 0.1% | ▲ Add | 3 | SEC ↗ ×6 |
| 3 | Goldman Sachs Group ✦ | 11.11M | +89.1% | $302.30M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 4 | Bank Of America Corp /De/ | 10.18M | +291.1% | $277.03M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 5 | Vanguard Capital Management Llc | 8.60M | -4.3% | $234.06M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | Morgan Stanley ✦ | 8.29M | -5.6% | $225.45M | 0.0% | ▼ Trim | 4 | SEC ↗ ×10 |
| 7 | AQR Capital Management ✦ | 7.72M | -47.5% | $210.01M | 0.1% | ▼ Trim | 8 | SEC ↗ ×3 |
| 8 | Man Group plc | 5.59M | -2.4% | $152.20M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 9 | Citigroup Inc | 5.41M | +26.0% | $147.32M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 10 | Barclays Plc | 4.89M | +3.2% | $133.12M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 11 | State Street Global Advisors ✦ (passive) | 4.88M | -2.7% | $132.73M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 12 | Neuberger Berman Group LLC | 4.13M | +3524.9% | $111.02M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 13 | Northern Trust Corp | 3.99M | +24.6% | $108.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 14 | JPMorgan Chase ✦ | 3.66M | +1304.2% | $98.26M | 0.0% | ▲ Add | 4 | SEC ↗ ×7 |
| 15 | Dimensional Fund Advisors Lp | 3.22M | +12.9% | $87.58M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 16 | Two Sigma Investments ✦ | 3.09M | -68.0% | $84.05M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 17 | Creative Planning | 2.45M | +3.6% | $66.68M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 18 | Tidal Investments LLC | 2.36M | +47.6% | $64.09M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 19 | Connor, Clark & Lunn Investment… | 1.34M | +89.1% | $36.54M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 20 | Bnp Paribas Financial Markets | 1.13M | -28.8% | $30.66M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Nomura Holdings Inc | 813.90K | New | $22.15M | 0.1% | New | 1 | SEC ↗ |
| 22 | Quantinno Capital Management LP | 791.13K | +11.3% | $21.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | BNP Paribas Asset Management… | 768.62K | -26.8% | $20.91M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 24 | Us Bancorp \De\ | 683.41K | -16.2% | $18.60M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 25 | Mackenzie Financial Corp | 614.12K | +13.8% | $16.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 26 | Squarepoint Ops LLC | 603.41K | +388.6% | $16.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Millennium Management ✦ | 505.58K | -71.4% | $13.76M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 28 | Rhumbline Advisers | 493.29K | -26.1% | $13.42M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | First Trust Advisors Lp | 345.85K | -14.9% | $9.41M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Nuveen, LLC | 257.71K | New | $7.01M | 0.0% | New | 1 | SEC ↗ |
| 31 | LMR Partners LLP | 255.60K | New | $6.95M | 0.1% | New | 1 | SEC ↗ ×2 |
| 32 | Wellington Management ✦ | 231.01K | +137.6% | $6.29M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 33 | Schroder Investment Management Group | 227.95K | -22.2% | $6.12M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 34 | Russell Investments Group, Ltd. | 223.03K | +194.9% | $6.07M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 35 | Walleye Trading LLC | 222.62K | +230.9% | $6.06M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 36 | Cerity Partners LLC | 218.62K | -10.7% | $5.95M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 37 | Deutsche Bank Ag\ | 211.69K | New | $5.76M | 0.0% | New | 1 | SEC ↗ ×2 |
| 38 | Citadel Advisors ✦ | 210.16K | -72.5% | $5.72M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 39 | Susquehanna International Group, Llp | 201.04K | -65.1% | $5.47M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 40 | D. E. Shaw & Co. ✦ | 196.31K | -89.6% | $5.34M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Robeco Institutional Asset… | 185.21K | -40.5% | $5.04M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Baird Financial Group, Inc. | 175.56K | -58.8% | $4.78M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 43 | Mariner, LLC | 170.26K | -10.6% | $4.63M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 44 | Storebrand Asset Management As | 146.88K | -52.2% | $4.00M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Corient Private Wealth LP | 142.35K | -8.9% | $3.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Lazard Asset Management Llc | 140.11K | +100.2% | $3.81M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Marshall Wace ✦ | 139.51K | -32.1% | $3.80M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 48 | Fidelity (FMR) ✦ | 136.61K | +13.7% | $3.72M | 0.0% | ▲ Add | 5 | SEC ↗ ×3 |
| 49 | Boston Partners | 119.44K | New | $3.25M | 0.0% | New | 1 | SEC ↗ |
| 50 | Envestnet Asset Management Inc | 118.95K | -22.1% | $3.24M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Pnc Financial Services Group, Inc. | 118.01K | -29.2% | $3.21M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 52 | LPL Financial LLC | 116.32K | +3.5% | $3.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Invesco Ltd. | 115.68K | +12.6% | $3.15M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 54 | Sei Investments Co | 113.87K | -32.7% | $3.10M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 55 | Mirae Asset Global Investments Co.… | 112.57K | New | $3.06M | 0.0% | New | 1 | SEC ↗ |
| 56 | Mercer Global Advisors Inc /Adv | 71.42K | +79.5% | $1.94M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Bank Of Montreal /Can/ | 69.71K | -10.6% | $1.90M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 58 | UBS AM, a distinct business unit of… | 63.47K | +7.3% | $1.73M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Royal Bank Of Canada | 63.15K | +72.2% | $1.72M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 60 | Rockefeller Capital Management L.P. | 55.95K | +11.2% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 61 | HighTower Advisors, LLC | 47.61K | +24.9% | $1.30M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Cetera Investment Advisers | 46.97K | +164.5% | $1.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Focus Partners Wealth | 46.49K | +2.1% | $1.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Raymond James Financial Inc | 41.22K | +144.9% | $1.12M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 65 | Osaic Holdings, Inc. | 40.63K | +40.2% | $1.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 66 | IMC-Chicago, LLC | 39.24K | +66.8% | $1.07M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Ameriprise Financial Inc | 34.97K | +18.7% | $951,424 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 68 | Franklin Resources Inc | 26.11K | +12.7% | $710,360 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Allspring Global Investments… | 28.29K | +22.4% | $703,389 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | FIL Ltd | 22.30K | -64.7% | $606,892 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 71 | Tudor Investment Corp Et Al | 21.90K | +24.7% | $595,953 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Mml Investors Services, Llc | 16.70K | +36.7% | $454,517 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Wells Fargo & Company/Mn | 15.43K | +93.5% | $419,845 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 74 | Assetmark, Inc | 15.34K | -42.8% | $417,401 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 75 | Aviva Plc | 13.81K | 0.0% | $375,688 | 0.0% | Held | 3 | SEC ↗ |
| 76 | Lido Advisors, LLC | 13.31K | New | $362,138 | 0.0% | New | 1 | SEC ↗ ×2 |
| 77 | Jones Financial Companies Lllp | 12.49K | +54.8% | $319,489 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Legal & General Group Plc | 11.64K | New | $316,631 | 0.0% | New | 1 | SEC ↗ |
| 79 | Blair William & Co/Il | 10.90K | -16.8% | $296,562 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Capstone Investment Advisors, Llc | 10.83K | -97.0% | $294,684 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Mitsubishi UFJ Trust & Banking Corp | 8.10K | New | $220,401 | 0.0% | New | 1 | SEC ↗ |
| 82 | Commonwealth Equity Services, Llc | 8.01K | -42.4% | $217,960 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Northwestern Mutual Wealth… | 2.58K | -26.8% | $70,120 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | National Bank Of Canada /Fi/ | 1.26K | New | $34,262 | 0.0% | New | 1 | SEC ↗ ×2 |
| 85 | Optiver Holding B.V. | 479 | New | $13,034 | 0.0% | New | 1 | SEC ↗ |
| 86 | Fifth Third Bancorp | 338 | -38.9% | $9,197 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Nomura Holdings Inc | $22.15M | 0.1% |
| Nuveen, LLC | $7.01M | 0.0% |
| LMR Partners LLP | $6.95M | 0.1% |
| Deutsche Bank Ag\ | $5.76M | 0.0% |
| Boston Partners | $3.25M | 0.0% |
| Mirae Asset Global… | $3.06M | 0.0% |
| Lido Advisors, LLC | $362,138 | 0.0% |
| Legal & General Group Plc | $316,631 | 0.0% |
| Mitsubishi UFJ Trust &… | $220,401 | 0.0% |
| National Bank Of Canada /Fi/ | $34,262 | 0.0% |
| Optiver Holding B.V. | $13,034 | 0.0% |
Exited
| Qube Research & Technologies… | $45.81M | was 0.1% |
| Jane Street Group, Llc | $23.08M | was 0.0% |
| Pacer Advisors, Inc. | $2.72M | was 0.0% |
| Hrt Financial Lp | $1.48M | was 0.0% |
| Stifel Financial Corp | $1.47M | was 0.0% |
| Bridgewater Associates | $1.20M | was 0.0% |
| Arrowstreet Capital | $1.17M | was 0.0% |
| Group One Trading Llc | $1.02M | was 0.0% |
| Simplex Trading, Llc | $461,248 | was 0.0% |
| Amundi | $448,578 | was 0.0% |
| Prudential Financial Inc | $211,659 | was 0.0% |
| Hsbc Holdings Plc | $191,314 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 314 holders, 174.09M shares, $1.47B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Sep 22
LIN JEN-TSUNG
Officer · 10.00K sh · $1.63M
Sep 17
Liu Chitung
Officer · 400.00K sh · $58.00M
Sep 16
Liu Chitung
Officer · 1.20M sh · $170.80M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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