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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
CAPR icon
301
Capricor Therapeutics
CAPR
$547M
– –
-17,054
Closed -$169K
CAPR icon
302
PUT
Capricor Therapeutics
CAPR
$547M
– –
-33,000
Closed -$43.7K
CAT icon
303
Caterpillar
CAT
$374B
– –
-4,200
Closed -$1.63M
CCK icon
304
Crown Holdings
CCK
$12.5B
– –
-87,300
Closed -$8.99M
CDNS icon
305
Cadence Design Systems
CDNS
$80.6B
– –
-26,400
Closed -$8.14M
CFLT
306
DELISTED
Confluent
CFLT
– –
-300,000
Closed -$7.48M
CGON icon
307
CG Oncology
CGON
$6.62B
– –
-26,000
Closed -$676K
CHX
308
DELISTED
ChampionX
CHX
– –
-7,546,703
Closed -$187M
VISN
309
CALL
Vistance Networks Inc
VISN
$1.48B
– –
-550,000
Closed -$578K
COO icon
310
Cooper Companies
COO
$13.6B
– –
-37,214
Closed -$2.65M
COO icon
311
PUT
Cooper Companies
COO
$13.6B
– –
-20,000
Closed -$8K
COST icon
312
Costco
COST
$406B
– –
-1,000
Closed -$990K
CRNX
313
DELISTED
Crinetics Pharmaceuticals
CRNX
– –
-39,978
Closed -$1.15M
CRSP icon
314
CALL
CRISPR Therapeutics
CRSP
$5.39B
– –
-10,000
Closed -$27.3K
CX icon
315
Cemex
CX
$15.9B
– –
-299,870
Closed -$2.08M
CYH icon
316
Community Health Systems
CYH
$408M
– –
-1,500,000
Closed -$5.1M
DASH icon
317
DoorDash
DASH
$91.7B
– –
-5,000
Closed -$1.23M
DAWN
318
DELISTED
Day One Biopharmaceuticals
DAWN
– –
-107,249
Closed -$697K
DKNG icon
319
PUT
DraftKings
DKNG
$11.9B
– –
-15,000
Closed -$4.2K
DLTR icon
320
Dollar Tree
DLTR
$24.7B
– –
-38,000
Closed -$3.76M
DNB
321
DELISTED
Dun & Bradstreet
DNB
– –
-13,678,842
Closed -$124M
DOV icon
322
Dover
DOV
$26B
– –
-61,100
Closed -$11.2M
DUK icon
323
Duke Energy
DUK
$93.7B
– –
-144,040
Closed -$17M
DXCM icon
324
DexCom
DXCM
$33.2B
– –
-35,668
Closed -$3.11M
ECVT icon
325
Ecovyst
ECVT
$1.12B
– –
-450,000
Closed -$3.7M
11 12
13
14 15

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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.