Latest UBS OCONNOR LLC Stock Portfolio
UBS OCONNOR LLC Performance:
2025 Q4: 0.55%YTD: 10.64%2024: 1.15%
Performance for 2025 Q4 is 0.55%, and YTD is 10.64%, and 2024 is 1.15%.
About UBS OCONNOR LLC and 13F Hedge Fund Stock Holdings
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) is a hedge fund based in Chicago, IL. On 2026-03-04, the fund reported it's updated stock portfolio. In the 13F Holdings report, OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) reported an equity portfolio of $930.2 Millions as of 31 Dec, 2025.
The top stock holdings of OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) are . The fund has invested 7.8% of it's portfolio in KLARNA GRO and NA% of portfolio in NA.
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) opened new stock positions in KLARNA GRO.
The top stock holdings of OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) are . The fund has invested 7.8% of it's portfolio in KLARNA GRO and NA% of portfolio in NA.
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) opened new stock positions in KLARNA GRO.
UBS OCONNOR LLC Annual Return Estimates Vs S&P 500
Our best estimate is that OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) made a return of 0.55% in the last quarter. In trailing 12 months, it's portfolio return was 10.64%.
- Performance
- S&P 500
New Buys
| Ticker | $ Bought |
|---|---|
| exact scie | 93,672,000 |
| klarna gro | 72,323,400 |
| cidara the | 69,685,100 |
| synovus fi | 34,994,000 |
| amicus the | 14,240,000 |
| crh plc | 13,683,700 |
| parker-han | 13,588,700 |
| waste mgmt | 13,550,600 |
New stocks bought by UBS OCONNOR LLC
Additions
| Ticker | % Inc. |
|---|---|
| broadcom i | 892 |
| snowflake | 392 |
| american e | 210 |
| toast inc | 150 |
| tko group | 150 |
| masco corp | 138 |
| axalta coa | 64.93 |
| coherent c | 27.18 |
Additions to existing portfolio by UBS OCONNOR LLC
Reductions
| Ticker | % Reduced |
|---|---|
| packaging | -94.34 |
| american e | -87.5 |
| cameco cor | -84.87 |
| meta platf | -82.36 |
| entergy co | -76.56 |
| c h robins | -74.69 |
| tower semi | -67.37 |
| mercadolib | -61.95 |
UBS OCONNOR LLC reduced stake in above stock
Sold off
| Ticker | $ Sold |
|---|---|
| snowflake | -30,390,000 |
| beyond mea | -3,800,000 |
| halozyme t | -20,664,000 |
| american w | -16,048,000 |
| duke energ | -16,117,500 |
| spotify us | -13,700,000 |
| halozyme t | -9,870,000 |
| interpubli | -132,028,000 |
UBS OCONNOR LLC got rid off the above stocks
Sector Distribution
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) has about 41.1% of it's holdings in Others sector.
- Others
- Industrials
- Healthcare
- Technology
- Utilities
- Consumer Cyclical
- Financial Services
- Communication Services
| Sector | % |
|---|---|
| Others | 41.1 |
| Industrials | 12.2 |
| Healthcare | 11.6 |
| Technology | 10.9 |
| Utilities | 8.3 |
| Consumer Cyclical | 8 |
| Financial Services | 4.7 |
| Communication Services | 2 |
Market Cap. Distribution
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) has about 36.2% of it's portfolio invested in the large-cap and mega-cap stocks.
- UNALLOCATED
- LARGE-CAP
- MID-CAP
- MEGA-CAP
- NANO-CAP
| Category | % |
|---|---|
| UNALLOCATED | 41.1 |
| LARGE-CAP | 27.4 |
| MID-CAP | 17.5 |
| MEGA-CAP | 8.8 |
| NANO-CAP | 4.8 |
Stocks belong to which Index?
About 34.8% of the stocks held by OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) either belong to S&P 500 or RUSSELL 2000 index.
- Others
- S&P 500
- RUSSELL 2000
| Index | % |
|---|---|
| Others | 65.1 |
| S&P 500 | 32 |
| RUSSELL 2000 | 2.8 |
UBS OCONNOR LLC Holdings Map
This heatmap illustrates the top 50 positions within the fund's portfolio.
Current Stock Holdings of UBS OCONNOR LLC
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) has 180 stocks in it's portfolio. About 32.3% of the portfolio is in top 10 stocks. MELI proved to be the most loss making stock for the portfolio. MAT was the most profitable stock for OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) last quarter.
Last Reported on: 13 Feb, 2026| Ticker | Namesorted ascending | % Portfolio | Shares Held | $ Value | Type | % Change | Options | |
|---|---|---|---|---|---|---|---|---|
| ACEL | accel ente | 0.30 | 246,728 | 2,815,170 | unchanged | 0.00 | ||
| ACMR | acm resh i | 0.15 | 35,958 | 1,418,540 | reduced | -54.71 | ||
| ADT | adt inc de | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| AEP | american e | 1.61 | 130,250 | 15,019,100 | added | 210 | ||
| AMAO | royalty mg | 0.00 | 221,686 | 28,841 | unchanged | 0.00 | ||
| AMC | amc entmt | 0.01 | 39,688 | 61,913 | unchanged | 0.00 | ||
| ANET | arista net | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| APD | air prods | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| APH | amphenol c | 0.32 | 22,110 | 2,987,940 | reduced | -55.78 | ||
| ARCO | arcos dora | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| ASML | asml holdi | 0.23 | 2,000 | 2,139,720 | new | |||
| AVGO | broadcom i | 2.94 | 78,896 | 27,305,900 | added | 892 | ||
| AXTA | axalta coa | 0.49 | 140,600 | 4,542,790 | added | 64.93 | ||
| BA | boeing co | 1.20 | 51,535 | 11,189,300 | new | |||
| BAP | credicorp | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| BBAR | banco bbva | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| BILI | bilibili i | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| BKNG | booking ho | 0.46 | 800 | 4,284,260 | new | |||
| BSAC | banco sant | 0.00 | 0.00 | 0.00 | sold off | -100 | ||
| BTG | b2gold cor | 0.89 | 1,842,460 | 8,309,500 | reduced | -10.39 | ||