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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
AAP icon
251
PUT
Advance Auto Parts
AAP
$2.67B
$9.84K ﹤0.01%
12,000
– –
TVGNW icon
252
Tevogen Inc Warrant
TVGNW
$936K
$9.72K ﹤0.01%
181,387
– –
ET icon
253
CALL
Energy Transfer Partners
ET
$74B
$9K ﹤0.01%
600,000
+280,000
+88% +$4.91M
SKT icon
254
PUT
Tanger
SKT
$4.29B
$7.76K ﹤0.01%
+13,500
New +$440K
SCAGW
255
Scage Future Warrants
SCAGW
$267K
$6.39K ﹤0.01%
+127,590
New +$7.34K
BRLSW icon
256
Borealis Foods Inc Warrant
BRLSW
$5.36K ﹤0.01%
70,030
– –
MSAIW icon
257
MultiSensor AI Holdings Warrant
MSAIW
$923K
$4.88K ﹤0.01%
142,585
– –
BSLKW
258
DELISTED
Bolt Projects Holdings Warrant
BSLKW
$4.41K ﹤0.01%
110,914
– –
RDZNW icon
259
Roadzen Inc Warrants
RDZNW
$6.07M
$4.21K ﹤0.01%
65,696
– –
FE icon
260
PUT
FirstEnergy
FE
$27.1B
$3.25K ﹤0.01%
26,000
– –
OPTXW icon
261
Syntec Optics Holdings Warrant
OPTXW
$17.6M
$2.78K ﹤0.01%
32,034
– –
BNAIW
262
Brand Engagement Network Warrant
BNAIW
$1.15M
$2.42K ﹤0.01%
150,251
– –
AAPL icon
263
CALL
Apple
AAPL
$4.67T
– –
-74,000
Closed -$279K
ABBV icon
264
AbbVie
ABBV
$453B
– –
-13,297
Closed -$2.47M
ACAD icon
265
Acadia Pharmaceuticals
ACAD
$4.83B
– –
-43,000
Closed -$928K
ADPT icon
266
Adaptive Biotechnologies
ADPT
$3.87B
– –
-73,441
Closed -$856K
AGIO icon
267
Agios Pharmaceuticals
AGIO
$1.98B
– –
-56,810
Closed -$1.89M
ALC icon
268
Alcon
ALC
$34.1B
– –
-25,555
Closed -$2.26M
ALGN icon
269
Align Technology
ALGN
$11.3B
– –
-12,755
Closed -$2.41M
ALKS icon
270
PUT
Alkermes
ALKS
$7.73B
– –
-25,000
Closed -$58.1K
AMAT icon
271
Applied Materials
AMAT
$361B
– –
-30,000
Closed -$5.49M
AMD icon
272
Advanced Micro Devices
AMD
$780B
– –
-54,921
Closed -$7.79M
AME icon
273
Ametek
AME
$54.5B
– –
-6,085
Closed -$1.1M
AMED
274
DELISTED
Amedisys
AMED
– –
-474,162
Closed -$46.7M
AMZN icon
275
Amazon
AMZN
$2.79T
– –
-43,190
Closed -$9.48M
9 10
11
12 13

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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.