Which hedge funds own UMC? UNITED MICROELECTRONICS CORP, Q2 2026 13F holders
29 tracked hedge funds disclosed a position in UMC (UNITED MICROELECTRONICS CORP) in their Q2 2026 13F filings, worth $387.8m in total. The largest holder by portfolio weight is Maytree Asset Management Ltd at 1.5% of its book. 7 opened a new position this quarter: Maytree Asset Management Ltd, Polymer Capital Management (HK) LTD, FNY Investment Advisers, LLC, Tairen Capital Ltd. 7 exited: Qube Research & Technologies Ltd, Quantbot Technologies LP, Centiva Capital, LP.
- 29
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 7
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 7
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $8.1m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $49.6m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $388m
- Combined value Sum of the holders' reported positions in the security.
- 2.3%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
| Maytree Asset Management Ltd Hedge fund | 1.5% | – | new |
| West Family Investments, Inc. Family office | 0.7% | −26% | reduced |
| Delta Global Management LP Hedge fund | 0.4% | −16% | reduced |
| Polymer Capital Management (HK) LTD Hedge fund | 0.3% | – | new |
| FNY Investment Advisers, LLC Hedge fund | 0.2% | – | new |
| Capital Fund Management S.A. Hedge fund | 0.2% | +20% | added |
| North of South Capital LLP Hedge fund | 0.1% | −87% | reduced |
| AQR Capital Management LLC Hedge fund | 0.07% | −48% | reduced |
| Two Sigma Investments, LP Hedge fund | 0.06% | −68% | reduced |
| Tairen Capital Ltd Hedge fund | 0.04% | – | new |
| Symmetry Investments LP Hedge fund | 0.04% | – | new |
| Squarepoint Ops LLC Hedge fund | 0.03% | +389% | added |
| SummitTX Capital, L.P. Hedge fund | 0.03% | +94% | added |
| Aquatic Capital Management LLC Hedge fund | 0.03% | −96% | reduced |
| Engineers Gate Manager LP Hedge fund | 0.02% | −69% | reduced |
| Bayforest Capital Ltd Hedge fund | 0.02% | −88% | reduced |
| Walleye Capital LLC Hedge fund | 0.01% | +56% | added |
| Millennium Management LLC Hedge fund | 0.01% | −71% | reduced |
| Maverick Capital Ltd Hedge fund | 0.01% | – | new |
| Jain Global LLC Hedge fund | 0.0% | −86% | reduced |
| Verition Fund Management LLC Hedge fund | 0.0% | – | new |
| Candriam S.C.A. Hedge fund | 0.0% | 0.0% | held |
| D. E. Shaw & Co., Inc. Hedge fund | 0.0% | −90% | reduced |
| Citadel Advisors LLC Hedge fund | 0.0% | −73% | reduced |
| Marshall Wace, LLP Hedge fund | 0.0% | −32% | reduced |
| Tudor Investment Corp ET AL Hedge fund | 0.0% | +25% | added |
| Capstone Investment Advisors, LLC Hedge fund | 0.0% | −97% | reduced |
| Elequin Capital, LP Hedge fund | 0.0% | +801% | added |
| CVA Family Office, LLC Family office | 0.0% | 0.0% | held |
Exited since the previous filing
| Qube Research & Technologies Ltd | 0.07% | $45.8m |
| Quantbot Technologies LP | 0.03% | $774k |
| Centiva Capital, LP | 0.01% | $177k |
| Graham Capital Management, L.P. | 0.01% | $174k |
| Bridgewater Associates, LP | 0.01% | $1.2m |
| ExodusPoint Capital Management, LP | 0.0% | $249k |
| Arrowstreet Capital, Limited Partnership | 0.0% | $1.2m |
Ownership over time
Who discovered UMC first? Beta
The run: Q1 2020 → Q4 2021, +439%
| NINE MASTS CAPITAL Ltd | Q3 2019 | 2.6% | +1.3 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.