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UOC

UBS O'Connor Portfolio holdings

AUM $3.76B
1-Year Est. Return 62.41%
This Fund
S&P 500
This Quarter Est. Return
+13.49%
1 Year Est. Return
+62.41%
3 Year Est. Return
+179.84%
5 Year Est. Return
+371.69%
10 Year Est. Return
+1,534.25%
AUM
$3.34B
AUM Growth
-$346M
Cap. Flow
-$728M
Cap. Flow %
-21.78%
Top 10 Hldgs %
68.3%
Holding
475
New
106
Increased
41
Reduced
44
Closed
201

Top Buys

Rank Stock Value
1
VRNA
Verona Pharma
VRNA
+$447M
2
CYBR
CyberArk
CYBR
+$424M
3
GTLS
Chart Industries
GTLS
+$243M
4
IPG
Interpublic Group of Companies
IPG
+$96.3M
5
COOP
Mr. Cooper
COOP
+$67.2M

Top Sells

Rank Stock Value
1
WBA
Walgreens Boots Alliance
WBA
+$288M
2
SKX
Skechers
SKX
+$227M
3
BPMC
Blueprint Medicines
BPMC
+$220M
4
CHX
ChampionX
CHX
+$187M
5
ANSS
Ansys
ANSS
+$173M

Sector Composition

Rank Sector Weight
1 Technology 21.6%
2 Industrials 16.01%
3 Healthcare 15.52%
4 Communication Services 12.09%
5 Financials 10.18%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
GPRK icon
151
GeoPark
GPRK
$750M
$1.36M 0.04%
214,222
-14,145
-6% -$93.2K
VRT icon
152
CALL
Vertiv
VRT
$108B
$1.36M 0.04%
+75,000
New +$10M
NEM icon
153
Newmont
NEM
$135B
$1.35M 0.04%
+16,000
New +$1.12M
SOC icon
154
Sable Offshore Corp
SOC
$909M
$1.29M 0.04%
+74,000
New +$1.9M
HTHT icon
155
Huazhu Hotels Group
HTHT
$14.1B
$1.29M 0.04%
+32,956
New +$1.15M
CHTR icon
156
PUT
Charter Communications
CHTR
$18.1B
$1.28M 0.04%
20,500
– –
BILI icon
157
Bilibili
BILI
$6.37B
$1.21M 0.04%
43,230
– –
TKO icon
158
TKO Group
TKO
$13.6B
$1.21M 0.04%
6,000
– –
SPEG
159
Silver Pegasus Acquisition Corp
SPEG
$1.2M 0.04%
+120,000
New +$1.2M
ALCY
160
DELISTED
Alchemy Investments Acquisition Corp 1
ALCY
$1.16M 0.03%
100,248
– –
FIVE icon
161
Five Below
FIVE
$13.9B
$1.16M 0.03%
7,500
-37,500
-83% -$5.31M
ROST icon
162
Ross Stores
ROST
$73.7B
$1.14M 0.03%
+7,500
New +$1.07M
HYAC
163
DELISTED
Haymaker Acquisition Corp 4
HYAC
$1.14M 0.03%
100,248
– –
DLO icon
164
dLocal
DLO
$4.57B
$1.12M 0.03%
+78,152
New +$994K
VNET
165
VNET Group
VNET
$1.81B
$1.11M 0.03%
+107,300
New +$903K
ALDF
166
Aldel Financial II Inc
ALDF
$1.04M 0.03%
100,000
– –
ONCH
167
1RT Acquisition Corp
ONCH
$1.04M 0.03%
+100,000
New +$1.03M
TACO
168
Berto Acquisition Corp
TACO
$394M
$1.04M 0.03%
+100,000
New +$1.04M
JACS
169
Jackson Acquisition Co II
JACS
$317M
$1.04M 0.03%
100,000
– –
DRDB
170
Roman DBDR Acquisition Corp II
DRDB
$328M
$1.03M 0.03%
100,000
– –
RAC
171
Rithm Acquisition Corp
RAC
$311M
$1.02M 0.03%
+100,000
New +$1.02M
PMTR
172
Perimeter Acquisition Corp I
PMTR
$322M
$1.02M 0.03%
100,000
– –
WENN
173
Wen Acquisition Corp
WENN
$1.01M 0.03%
+100,000
New +$1.02M
SZZL
174
Sizzle Acquisition Corp II
SZZL
$1.01M 0.03%
100,000
– –
COPL
175
Copley Acquisition Corp
COPL
$1.01M 0.03%
100,000
– –
5 6
7
8 9

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ACI
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CGL
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JCM
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MPM
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UBS O'Connor's Q3 2025 Portfolio in Review

As of Q3 2025, UBS O'Connor held 475 positions worth $3.34B, down 9.4% from $3.69B the previous quarter. Its ten largest holdings account for 68% of the portfolio.

UBS O'Connor withdrew a net $728M in Q3 2025, closing 201 positions and reducing 44 holdings. Its most notable exit was Walgreens Boots Alliance, an estimated $288M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 14% a quarter earlier, followed by Industrials and Healthcare.

Against the trend, UBS O'Connor opened a new position in Verona Pharma worth $457M.

  • UBS O'Connor's largest Q3 2025 buy was Verona Pharma: 4,283,462 shares worth $457M.
  • UBS O'Connor added most to Interpublic Group of Companies in Q3 2025, an estimated $96.3M increase.
  • UBS O'Connor's biggest Q3 2025 reduction was Kellanova, cutting an estimated $110M.
  • UBS O'Connor fully exited Walgreens Boots Alliance in Q3 2025, selling an estimated $288M.
  • UBS O'Connor's ten largest holdings make up 68% of its $3.34B portfolio in Q3 2025.
  • UBS O'Connor opened 106 new positions and closed 201 in Q3 2025.
  • UBS O'Connor's portfolio value fell 9.4% quarter-over-quarter to $3.34B.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.