Security record · archived quarter
UMC
United Microelectronics Corporation · Technology · Semiconductors
6Tracked holders
—Δ holders
19.00MShares held
$166.45MReported value
+0New positions
−0Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
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 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management ✦ | 7.67M | — | $67.17M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Marshall Wace ✦ | 5.25M | — | $45.97M | 0.1% | n/c | 1 | SEC ↗ |
| 3 | Marshall Wace ✦ | 5.25M | — | $45.97M | 0.1% | n/c | 1 | SEC ↗ |
| 4 | Marshall Wace ✦ | 5.25M | — | $45.97M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | Arrowstreet Capital ✦ | 2.65M | — | $23.24M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | Two Sigma Investments ✦ | 1.96M | — | $17.13M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Millennium Management ✦ | 755.03K | — | $6.61M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | Citadel Advisors ✦ | 722.02K | — | $6.32M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 1.96M shares, $86.18M 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.
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 2024 ·
Methodology ·
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