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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
ALDF
201
Aldel Financial II Inc
ALDF
$1.05M 0.03%
+100,000
New +$1.03M
KNSA icon
202
Kiniksa Pharmaceuticals
KNSA
$6.08B
$1.04M 0.03%
37,602
-101,673
-73% -$2.59M
DRDB
203
Roman DBDR Acquisition Corp II
DRDB
$328M
$1.03M 0.03%
+100,000
New +$1.02M
JACS
204
Jackson Acquisition Co II
JACS
$317M
$1.03M 0.03%
+100,000
New +$1.02M
TERN
205
DELISTED
Terns Pharmaceuticals
TERN
$1.02M 0.03%
273,619
-62,525
-19% -$195K
PMTR
206
Perimeter Acquisition Corp I
PMTR
$322M
$1.02M 0.03%
+100,000
New +$1.01M
NPAC
207
New Providence Acquisition Corp III
NPAC
$403M
$1.02M 0.03%
+100,000
New +$1.03M
OYSEU
208
Oyster Enterprises II Acquisition Corp Units
OYSEU
$1.01M 0.03%
+100,000
New +$1.01M
COPL
209
Copley Acquisition Corp
COPL
$1.01M 0.03%
+100,000
New +$1M
SZZL
210
Sizzle Acquisition Corp II
SZZL
$1M 0.03%
+100,000
New +$998K
PELI
211
DELISTED
Pelican Acquisition Corp
PELI
$1M 0.03%
+100,000
New +$999K
BCYC
212
Bicycle Therapeutics
BCYC
$301M
$999K 0.03%
143,800
-4,922
-3% -$39.2K
ZK
213
DELISTED
Zeekr
ZK
$997K 0.03%
+39,100
New +$964K
PVLA
214
Palvella Therapeutics
PVLA
$2.27B
$992K 0.03%
43,994
-4,670
-10% -$110K
COST icon
215
Costco
COST
$406B
$990K 0.03%
1,000
– –
MAT icon
216
CALL
Mattel
MAT
$4.15B
$985K 0.03%
+355,000
New +$6.32M
NVNO
217
enVVeno Medical
NVNO
$7.95M
$962K 0.03%
6,890
-1,568
-19% -$185K
ACAD icon
218
Acadia Pharmaceuticals
ACAD
$4.83B
$928K 0.03%
+43,000
New +$799K
BILI icon
219
Bilibili
BILI
$6.37B
$927K 0.03%
+43,230
New +$796K
LEVI icon
220
Levi Strauss
LEVI
$8.1B
$925K 0.03%
+50,000
New +$832K
PRAX icon
221
Praxis Precision Medicines
PRAX
$9.82B
$921K 0.03%
21,892
-4,901
-18% -$187K
BEKE icon
222
KE Holdings
BEKE
$19.8B
$919K 0.02%
+51,814
New +$997K
RAAQ
223
DELISTED
Real Asset Acquisition Corp
RAAQ
$911K 0.02%
+89,645
New +$910K
SRRK icon
224
Scholar Rock
SRRK
$6.74B
$901K 0.02%
25,426
-2,191
-8% -$68.8K
KALV
225
DELISTED
KalVista Pharmaceuticals
KALV
$898K 0.02%
79,460
-90,232
-53% -$1.1M
7 8
9
10 11

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ACI
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RC
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CGL
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CB
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JCM
Janney Capital Management Pittsburgh, Pennsylvania $1.59B AUM 23.25% 1-Year Est. Return
MPM
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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.