Security record · archived quarter
UMC
United Microelectronics Corporation · Technology · Semiconductors
89Tracked holders
+13Δ holders
142.48MShares held
$1.27BReported value
+18New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +17.1% ·
share flow +21.7% ·
net new positions +14.6%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | +1 | 8.89K | $202,823 | +1 | −2 |
| Q2 2026 | 85 | -1 | 146.16M | $3.97B | +11 | −14 |
| Q1 2026 | 89 | +13 | 142.48M | $1.27B | +18 | −5 |
| Q4 2025 | 75 | +2 | 121.29M | $945.85M | +2 | n/a |
| 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 | n/a | −3 |
| Q4 2024 | 10 | +3 | 38.45M | $249.57M | +3 | n/a |
| Q3 2024 | 6 | 0 | 23.91M | $201.36M | +1 | −1 |
| Q2 2024 | 6 | n/a | 19.00M | $166.45M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 27.50M | +1.9% | $246.91M | 0.0% | ▲ Add | 4 | SEC ↗ ×11 |
| 2 | AQR Capital Management ✦ | 14.71M | +55.5% | $132.13M | 0.1% | ▲ Add | 7 | SEC ↗ ×3 |
| 3 | Two Sigma Investments ✦ | 9.66M | +70.1% | $86.71M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 4 | Vanguard Capital Management Llc | 8.99M | n/a | $80.72M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Morgan Stanley ✦ | 8.78M | +14.5% | $78.83M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 6 | UBS Group AG | 8.18M | +78.9% | $73.41M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 7 | Goldman Sachs Group ✦ | 5.87M | +24.3% | $52.76M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 8 | Man Group plc | 5.73M | +169.7% | $51.45M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 9 | Qube Research & Technologies Ltd | 5.10M | +1839.0% | $45.81M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 10 | State Street Global Advisors ✦ (passive) | 5.01M | +3.8% | $45.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 11 | Barclays Plc | 4.74M | -14.0% | $42.56M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 12 | Citigroup Inc | 4.30M | +42.8% | $38.58M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 13 | Northern Trust Corp | 3.20M | -0.6% | $28.73M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 14 | Dimensional Fund Advisors Lp | 2.85M | +13.2% | $25.59M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 15 | Bank Of America Corp /De/ | 2.60M | -53.5% | $23.38M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 16 | Jane Street Group, Llc | 2.57M | +459.8% | $23.08M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 17 | Creative Planning | 2.36M | +9.4% | $21.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 18 | D. E. Shaw & Co. ✦ | 1.89M | +117.4% | $16.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 19 | Millennium Management ✦ | 1.77M | +154.6% | $15.90M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 20 | Tidal Investments LLC | 1.60M | +985.6% | $14.33M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 21 | Bnp Paribas Financial Markets | 1.58M | +7.3% | $14.21M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 22 | BNP Paribas Asset Management… | 1.05M | +238.9% | $9.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 23 | Us Bancorp \De\ | 815.56K | +40.7% | $7.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 24 | Citadel Advisors ✦ | 765.32K | -31.9% | $6.87M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 25 | Quantinno Capital Management LP | 710.60K | +17.9% | $6.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Connor, Clark & Lunn Investment… | 710.08K | +4808.3% | $6.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Rhumbline Advisers | 667.58K | -8.5% | $5.99M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Susquehanna International Group, Llp | 575.74K | +22.5% | $5.17M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 29 | Mackenzie Financial Corp | 539.68K | +114.0% | $4.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Baird Financial Group, Inc. | 425.90K | +4.0% | $3.82M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | First Trust Advisors Lp | 406.39K | -6.3% | $3.65M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 32 | Capstone Investment Advisors, Llc | 364.17K | New | $3.27M | 0.0% | New | 1 | SEC ↗ |
| 33 | Robeco Institutional Asset… | 311.53K | +27.3% | $2.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Storebrand Asset Management As | 307.35K | 0.0% | $2.76M | 0.0% | Held | 2 | SEC ↗ |
| 35 | Pacer Advisors, Inc. | 1.54M | +28.9% | $2.72M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Schroder Investment Management Group | 293.10K | n/a | $2.52M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 37 | JPMorgan Chase ✦ | 260.70K | +84.5% | $2.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 38 | Cerity Partners LLC | 244.75K | +1.3% | $2.20M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 39 | Marshall Wace ✦ | 205.41K | -95.7% | $1.84M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 40 | Mariner, LLC | 190.38K | +10.0% | $1.70M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 41 | Sei Investments Co | 169.18K | +508.6% | $1.52M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 42 | Pnc Financial Services Group, Inc. | 166.76K | +0.1% | $1.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 43 | Hrt Financial Lp | 164.92K | New | $1.48M | 0.0% | New | 1 | SEC ↗ |
| 44 | Stifel Financial Corp | 163.82K | New | $1.47M | 0.0% | New | 1 | SEC ↗ |
| 45 | Corient Private Wealth LP | 156.25K | -46.8% | $1.38M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Envestnet Asset Management Inc | 152.66K | +51.4% | $1.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Bridgewater Associates ✦ | 134.03K | New | $1.20M | 0.0% | New | 1 | SEC ↗ |
| 48 | Arrowstreet Capital ✦ | 129.90K | +0.8% | $1.17M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Squarepoint Ops LLC | 123.50K | New | $1.11M | 0.0% | New | 1 | SEC ↗ |
| 50 | Fidelity (FMR) ✦ | 120.15K | -43.8% | $1.08M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 51 | Neuberger Berman Group LLC | 114.06K | +100.5% | $1.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Group One Trading Llc | 113.74K | New | $1.02M | 0.0% | New | 1 | SEC ↗ |
| 53 | LPL Financial LLC | 112.36K | +67.8% | $1.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Invesco Ltd. | 102.76K | +14.3% | $922,820 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 55 | Wellington Management ✦ | 97.23K | New | $873,098 | 0.0% | New | 1 | SEC ↗ ×2 |
| 56 | Bank Of Montreal /Can/ | 77.97K | +39.3% | $700,135 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 57 | Russell Investments Group, Ltd. | 75.63K | +93272.8% | $679,179 | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 58 | Lazard Asset Management Llc | 69.99K | New | $628,492 | 0.0% | New | 1 | SEC ↗ |
| 59 | Walleye Trading LLC | 67.27K | New | $604,094 | 0.0% | New | 1 | SEC ↗ |
| 60 | FIL Ltd | 63.26K | -19.8% | $568,066 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | UBS AM, a distinct business unit of… | 59.17K | +128.5% | $531,374 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 62 | Focus Partners Wealth | 45.55K | +7.5% | $473,895 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Simplex Trading, Llc | 51.36K | New | $461,248 | 0.0% | New | 1 | SEC ↗ |
| 64 | Rockefeller Capital Management L.P. | 50.29K | New | $451,622 | 0.0% | New | 1 | SEC ↗ ×3 |
| 65 | Amundi | 49.95K | New | $448,578 | 0.0% | New | 1 | SEC ↗ ×2 |
| 66 | Mercer Global Advisors Inc /Adv | 39.77K | +0.2% | $357,176 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | HighTower Advisors, LLC | 38.12K | +89.6% | $342,282 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Royal Bank Of Canada | 36.67K | +26.0% | $330,000 | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 69 | Ameriprise Financial Inc | 29.47K | +10.9% | $264,613 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 70 | Osaic Holdings, Inc. | 28.99K | +33.0% | $260,323 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 71 | Assetmark, Inc | 26.80K | +76.5% | $240,637 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Cwm, Llc | 24.14K | -0.7% | $216,736 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Prudential Financial Inc | 23.57K | 0.0% | $211,659 | 0.0% | Held | 2 | SEC ↗ |
| 74 | IMC-Chicago, LLC | 23.53K | New | $211,290 | 0.0% | New | 1 | SEC ↗ |
| 75 | Franklin Resources Inc | 23.17K | 0.0% | $208,067 | 0.0% | Held | 2 | SEC ↗ |
| 76 | Allspring Global Investments… | 23.11K | +34.7% | $207,315 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Hsbc Holdings Plc | 21.50K | New | $191,314 | 0.0% | New | 1 | SEC ↗ |
| 78 | Cetera Investment Advisers | 17.75K | +14.8% | $159,440 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 79 | Tudor Investment Corp Et Al | 17.57K | New | $157,752 | 0.0% | New | 1 | SEC ↗ |
| 80 | Brown Advisory Inc | 16.62K | New | $149,248 | 0.0% | New | 1 | SEC ↗ |
| 81 | Raymond James Financial Inc | 16.83K | -3.4% | $146,788 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 82 | Commonwealth Equity Services, Llc | 13.90K | +19.8% | $124,790 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Aviva Plc | 13.81K | 0.0% | $123,987 | 0.0% | Held | 2 | SEC ↗ |
| 84 | Blair William & Co/Il | 13.10K | New | $117,620 | 0.0% | New | 1 | SEC ↗ |
| 85 | Mml Investors Services, Llc | 12.22K | New | $109,710 | 0.0% | New | 1 | SEC ↗ |
| 86 | Wells Fargo & Company/Mn | 7.97K | +143.6% | $71,613 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 87 | Jones Financial Companies Lllp | 8.07K | +80.7% | $71,579 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 88 | Northwestern Mutual Wealth… | 3.52K | +68.9% | $31,592 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Fifth Third Bancorp | 553 | 0.0% | $4,966 | 0.0% | Held | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Capstone Investment Advisors… | $3.27M | 0.0% |
| Hrt Financial Lp | $1.48M | 0.0% |
| Stifel Financial Corp | $1.47M | 0.0% |
| Bridgewater Associates | $1.20M | 0.0% |
| Squarepoint Ops LLC | $1.11M | 0.0% |
| Group One Trading Llc | $1.02M | 0.0% |
| Wellington Management | $873,098 | 0.0% |
| Lazard Asset Management Llc | $628,492 | 0.0% |
| Walleye Trading LLC | $604,094 | 0.0% |
| Simplex Trading, Llc | $461,248 | 0.0% |
| Rockefeller Capital… | $451,622 | 0.0% |
| Amundi | $448,578 | 0.0% |
Exited
| Balyasny Asset Management L.P. | $15.57M | was 0.0% |
| Mirae Asset Global… | $1.33M | was 0.0% |
| Lido Advisors, LLC | $100,247 | was 0.0% |
| Bank Julius Baer & Co. Ltd… | $63,720 | was 0.0% |
| Parallax Volatility Advisers… | $20,043 | 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: Q1 2026 ·
Methodology ·
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