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Latest UBS OCONNOR LLC Stock Portfolio

$3.38Billion | No. of Holdings #193

UBS OCONNOR LLC Performance

2025 Q4-0.82%
YTD+8.01%
2024+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 2026-05-15, 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 $3.4 Billions as of 31 Dec, 2025. <br><br> The top stock holdings of OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) are CYBR, CMA, CDAY. The fund has invested 13.8% of it's portfolio in CYBERARK S and 8.5% of portfolio in COMERICA I. <br><br> They significantly reduced their stock positions in PLYMOUTH I (PLYM). OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) opened new stock positions in COMERICA I (CMA), DAYFORCE I (CDAY) and AVIDITY BI (RNA). The fund showed a lot of confidence in some stocks as they added substantially to AIR LEASE (AL), FRONTIER C (FYBR) and CYBERARK S (CYBR).
UBS OCONNOR LLC Equity Portfolio Value
Last Reported on: 13 Feb, 2026
$3.38Billion
  as of Feb 13, 2026

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 -0.82% in the last quarter. In trailing 12 months, it's portfolio return was 8.01%.
  • Performance
  • S&P 500

New Buys

Ticker$ Bought
comerica i287,909,000
dayforce i283,328,000
avidity bi268,078,000
hologic in194,049,000
exact scie180,697,000
cadence ba124,956,000
confluent120,073,000
exact scie93,672,000
New stocks bought by UBS OCONNOR LLC

Additions

Ticker% Inc.
broadcom i892
snowflake392
air lease271
american e210
toast inc150
tko group150
masco corp138
axalta coa64.93
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 28% of it's holdings in Others sector.

  • Others
  • Healthcare
  • Technology
  • Financial Services
  • Industrials
  • Communication Services
  • Consumer Cyclical
  • Utilities
Sector%
Others28
Healthcare22.9
Technology15.2
Financial Services10.1
Industrials9.2
Communication Services8.7
Consumer Cyclical3.4
Utilities1.9

Market Cap. Distribution

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) has about 50.2% of it's portfolio invested in the large-cap and mega-cap stocks.

  • LARGE-CAP
  • UNALLOCATED
  • MID-CAP
  • MEGA-CAP
  • NANO-CAP
Category%
LARGE-CAP48.2
UNALLOCATED28
MID-CAP20.2
MEGA-CAP2
NANO-CAP1.1

Stocks belong to which Index?

About 46.5% 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%
Others53.5
S&P 50033
RUSSELL 200013.5
Top 5 Winners (%)%
syntec opt
199.9 %
brand enga
183.2 %
AMAO
royalty mg
168.2 %
blue acqui
100.5 %
COHR
coherent c
59.2 %
Top 5 Winners ($)$
FYBR
frontier c
4.6 M
MAT
mattel inc
2.9 M
COHR
coherent c
1.4 M
CHRW
c h robins
1.3 M
TSEM
tower semi
1.2 M
Top 5 Losers (%)%
bolt projs
-57.8 %
AMC
amc entmt
-46.2 %
cid holdco
-44.7 %
gen digita
-35.2 %
SKIL
skillsoft
-28.6 %
Top 5 Losers ($)$
CYBR
cyberark s
-37.6 M
MELI
mercadolib
-1.5 M
LYV
live natio
-1.1 M
URI
united ren
-1.0 M
BTG
b2gold cor
-0.9 M

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 193 stocks in it's portfolio. About 70.5% of the portfolio is in top 10 stocks. CYBR proved to be the most loss making stock for the portfolio. FYBR was the most profitable stock for OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) last quarter.

$3.37BTotal Value
298Positions
13 Feb, 2026Last Reported
Current holdings of Current Stock Holdings of UBS OCONNOR LLC, last reported on 13 Feb, 2026. Select a row with a linked ticker to view its historical trend.
ExpandHoldingsorted ascending% PortfolioShares Held$ Value% Change
AMAO
Royalty Mg

Royalty Mg

AMAO
UBS OCONNOR LLC's holding in Royalty Mg over time
0%221,686
$28.8K
0%
unchanged 0 percentunchanged
ARCO
Arcos Dora

Arcos Dora

ARCO
UBS OCONNOR LLC's holding in Arcos Dora over time
0%0.00
$0.00
0%
decreased 100 percentsold off
ASML
Asml Holdi

Asml Holdi

ASML
UBS OCONNOR LLC's holding in Asml Holdi over time
0.06%2,000
$2.14M
0.06%
new position
BAP
Credicorp

Credicorp

BAP
UBS OCONNOR LLC's holding in Credicorp over time
0%0.00
$0.00
0%
decreased 100 percentsold off
BBAR
Banco Bbva

Banco Bbva

BBAR
UBS OCONNOR LLC's holding in Banco Bbva over time
0%0.00
$0.00
0%
decreased 100 percentsold off
BILI
Bilibili I

Bilibili I

BILI
UBS OCONNOR LLC's holding in Bilibili I over time
0%0.00
$0.00
0%
decreased 100 percentsold off
BSAC
Banco Sant

Banco Sant

BSAC
UBS OCONNOR LLC's holding in Banco Sant over time
0%0.00
$0.00
0%
decreased 100 percentsold off