United Microelectronic
318 hedge funds and large institutions have $1.57B invested in United Microelectronic in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 144 increasing their positions, 55 reducing their positions, and 22 closing their positions.
232% more first-time investments, than exits
New positions opened: 73 | Existing positions closed: 22
167% more call options, than puts
Call options by funds: $41.7M | Put options by funds: $15.6M
162% more repeat investments, than reductions
Existing positions increased: 144 | Existing positions reduced: 55
32% more capital invested
Capital invested by funds: $1.19B → $1.57B (+$378M)
18% more funds holding
Funds holding: 270 → 318 (+48)
0.93% more ownership
Funds ownership: 6% → 6.93% (+0.93%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Acadian Asset Management
Boston,
Massachusetts
|
+$56.8M |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$51.2M |
| 3 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$47.2M |
| 4 |
Two Sigma Investments
New York
|
+$38.8M |
| 5 |
Man Group
London,
United Kingdom
|
+$35.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
-$44.2M |
| 2 |
Schroder Investment Management Group
London,
United Kingdom
|
-$37.2M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$29.3M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$15.6M |
| 5 |
Rafferty Asset Management
New York
|
-$14.6M |
UMC Hedge Fund Activity: Q1 2026 in Review
318 institutional investors reported a position in United Microelectronic (UMC) for Q1 2026, worth a combined $1.57B — up 32% from $1.19B a quarter earlier.
Buyers outnumbered sellers: 73 funds opened new UMC positions and 22 closed out — a net gain of 51 holders — while 144 added to existing stakes and 55 trimmed.
The largest buyer was Acadian Asset Management, adding an estimated $56.8M. The largest seller was Marshall Wace, cutting an estimated $44.2M.
- 318 institutional investors held United Microelectronic (UMC) as of Q1 2026, up from 270 in Q4 2025.
- Funds reported $1.57B of United Microelectronic stock for Q1 2026, up 32% quarter-over-quarter.
- 73 funds opened new United Microelectronic positions in Q1 2026 and 22 closed out, a net change of +51 holders.
- The largest United Microelectronic buyer in Q1 2026 was Acadian Asset Management, an estimated $56.8M added.
- The largest United Microelectronic seller in Q1 2026 was Marshall Wace, an estimated $44.2M sold.
Based on aggregated 13F filings for Q1 2026.