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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
+8.75%
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
$3.69B
AUM Growth
-$542M
Cap. Flow
-$781M
Cap. Flow %
-21.18%
Top 10 Hldgs %
56.86%
Holding
480
New
156
Increased
61
Reduced
86
Closed
113

Top Buys

Rank Stock Value
1
SKX
Skechers
SKX
+$207M
2
BPMC
Blueprint Medicines
BPMC
+$176M
3
WBA
Walgreens Boots Alliance
WBA
+$167M
4
DNB
Dun & Bradstreet
DNB
+$122M
5
INFA
Informatica
INFA
+$93.8M

Top Sells

Rank Stock Value
1
DFS
Discover Financial Services
DFS
+$408M
2
ITCI
Intra-Cellular Therapies Inc.
ITCI
+$408M
3
HES
Hess
HES
+$251M
4
BECN
Beacon Roofing Supply, Inc.
BECN
+$195M
5
BERY
Berry Global Group, Inc.
BERY
+$137M

Sector Composition

Rank Sector Weight
1 Healthcare 19.77%
2 Technology 14.28%
3 Consumer Staples 10.98%
4 Energy 9.87%
5 Consumer Discretionary 9.66%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SN icon
176
SharkNinja
SN
$24.4B
$1.29M 0.03%
13,000
-22,000
-63% -$1.9M
CROX icon
177
CALL
Crocs
CROX
$5.63B
$1.24M 0.03%
+125,000
New +$12.7M
INSP icon
178
Inspire Medical Systems
INSP
$1.82B
$1.24M 0.03%
9,522
+1,522
+19% +$221K
DASH icon
179
DoorDash
DASH
$91.7B
$1.23M 0.03%
+5,000
New +$1M
IRTC icon
180
iRhythm Holdings
IRTC
$4.06B
$1.23M 0.03%
7,993
-5,513
-41% -$712K
ARGX icon
181
argenx
ARGX
$64.6B
$1.21M 0.03%
+2,191
New +$1.27M
SIG icon
182
Signet Jewelers
SIG
$3.31B
$1.19M 0.03%
+15,000
New +$997K
ANNX icon
183
Annexon
ANNX
$923M
$1.18M 0.03%
492,698
+25,879
+6% +$51.9K
HTZ icon
184
PUT
Hertz
HTZ
$820M
$1.18M 0.03%
1,194,300
– –
VFC icon
185
VF Corp
VFC
$5.29B
$1.18M 0.03%
+100,000
New +$1.24M
ALCY
186
DELISTED
Alchemy Investments Acquisition Corp 1
ALCY
$1.17M 0.03%
100,248
– –
RARE icon
187
Ultragenyx Pharmaceutical
RARE
$1.51B
$1.16M 0.03%
31,861
-55,950
-64% -$2.02M
CRNX
188
DELISTED
Crinetics Pharmaceuticals
CRNX
$1.15M 0.03%
39,978
-635
-2% -$19.6K
EW icon
189
Edwards Lifesciences
EW
$51.8B
$1.13M 0.03%
14,510
+3,590
+33% +$268K
HYAC
190
DELISTED
Haymaker Acquisition Corp 4
HYAC
$1.11M 0.03%
100,248
– –
AME icon
191
Ametek
AME
$54.5B
$1.1M 0.03%
+6,085
New +$1.05M
TKO icon
192
TKO Group
TKO
$13.6B
$1.09M 0.03%
+6,000
New +$964K
MIRM icon
193
Mirum Pharmaceuticals
MIRM
$6.15B
$1.09M 0.03%
21,409
-1,151
-5% -$51.2K
SE icon
194
Sea Limited
SE
$68.7B
$1.09M 0.03%
+6,800
New +$984K
IDYA icon
195
IDEAYA Biosciences
IDYA
$3.85B
$1.08M 0.03%
51,600
-17,874
-26% -$343K
MLYS icon
196
Mineralys Therapeutics
MLYS
$2.49B
$1.08M 0.03%
79,723
+6,375
+9% +$92.4K
ESAB icon
197
ESAB
ESAB
$4.66B
$1.07M 0.03%
+8,900
New +$1.08M
TME icon
198
Tencent Music
TME
$13.5B
$1.07M 0.03%
+55,000
New +$864K
REPL icon
199
Replimune Group
REPL
$1.42B
$1.06M 0.03%
114,082
-136,338
-54% -$1.19M
VSTM icon
200
Verastem
VSTM
$743M
$1.06M 0.03%
255,253
-266,707
-51% -$1.67M
6 7
8
9 10

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CGL
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JCM
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UBS O'Connor's Q2 2025 Portfolio in Review

As of Q2 2025, UBS O'Connor held 480 positions worth $3.69B, down 13% from $4.23B the previous quarter. Its ten largest holdings account for 57% of the portfolio.

UBS O'Connor withdrew a net $781M in Q2 2025, closing 113 positions and reducing 86 holdings. Its most notable exit was Discover Financial Services, an estimated $408M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 20% of assets, up from 17% a quarter earlier, followed by Technology and Consumer Staples.

Against the trend, UBS O'Connor opened a new position in Skechers worth $227M.

  • UBS O'Connor's largest Q2 2025 buy was Skechers: 3,598,177 shares worth $227M.
  • UBS O'Connor added most to Blueprint Medicines in Q2 2025, an estimated $176M increase.
  • UBS O'Connor's biggest Q2 2025 reduction was Hess, cutting an estimated $251M.
  • UBS O'Connor fully exited Discover Financial Services in Q2 2025, selling an estimated $408M.
  • UBS O'Connor's ten largest holdings make up 57% of its $3.69B portfolio in Q2 2025.
  • UBS O'Connor opened 156 new positions and closed 113 in Q2 2025.
  • UBS O'Connor's portfolio value fell 13% quarter-over-quarter to $3.69B.

Based on UBS O'Connor's 13F filing for Q2 2025, filed 14 Aug 2025.