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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
+16.38%
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
$3.76B
AUM Growth
+$415M
Cap. Flow
+$232M
Cap. Flow %
6.17%
Top 10 Hldgs %
70.32%
Holding
347
New
79
Increased
17
Reduced
40
Closed
111

Top Buys

Rank Stock Value
1
DAY
Dayforce
DAY
+$282M
2
CMA
Comerica
CMA
+$267M
3
RNAM
Avidity Biosciences
RNAM
+$240M
4
HOLX
Hologic
HOLX
+$190M
5
EXAS
Exact Sciences
EXAS
+$143M

Top Sells

Rank Stock Value
1
VRNA
Verona Pharma
VRNA
+$457M
2
K
Kellanova
K
+$290M
3
COOP
Mr. Cooper
COOP
+$169M
4
IPG
Interpublic Group of Companies
IPG
+$132M
5
INFA
Informatica
INFA
+$113M

Sector Composition

Rank Sector Weight
1 Technology 25.61%
2 Healthcare 19.41%
3 Industrials 18.06%
4 Financials 17.96%
5 Communication Services 7.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
SPR
301
DELISTED
Spirit AeroSystems
SPR
– –
-2,753,215
Closed -$106M
SPY icon
302
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$818B
– –
-96,000
Closed -$347K
SRAD icon
303
Sportradar
SRAD
$3.88B
– –
-100,000
Closed -$2.69M
SVC
304
CALL
Service Properties Trust
SVC
$986M
– –
-120,000
Closed -$105K
TASK icon
305
TaskUs
TASK
$741M
– –
-91,181
Closed -$1.63M
TLT icon
306
CALL
iShares 20+ Year Treasury Bond ETF
TLT
$46.5B
– –
-50,000
Closed -$122K
TPH
307
PUT
DELISTED
Tri Pointe Homes
TPH
– –
-23,600
Closed -$31.3K
ULTA icon
308
Ulta Beauty
ULTA
$23.8B
– –
-5,000
Closed -$2.73M
VALE icon
309
Vale
VALE
$65.2B
– –
-195,578
Closed -$2.12M
VIST icon
310
Vista Energy
VIST
$8.25B
– –
-89,299
Closed -$3.07M
VMC icon
311
Vulcan Materials
VMC
$33.7B
– –
-18,950
Closed -$5.83M
VNET
312
VNET Group
VNET
$1.75B
– –
-107,300
Closed -$1.11M
VRNA
313
DELISTED
Verona Pharma
VRNA
– –
-4,283,462
Closed -$457M
VRT icon
314
CALL
Vertiv
VRT
$103B
– –
-75,000
Closed -$1.36M
VST icon
315
Vistra
VST
$48.4B
– –
-40,280
Closed -$7.89M
WCN
316
Waste Connections
WCN
$42B
– –
-64,100
Closed -$11.3M
WYNN icon
317
Wynn Resorts
WYNN
$9.43B
– –
-40,000
Closed -$5.13M
XOP icon
318
CALL
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$4.1B
– –
-37,000
Closed -$101K
YETI icon
319
Yeti Holdings
YETI
$3.02B
– –
-25,000
Closed -$830K
ZTO icon
320
ZTO Express
ZTO
$15.8B
– –
-85,872
Closed -$1.65M
AS icon
321
Amer Sports
AS
$16.6B
– –
-40,000
Closed -$1.39M
SOC icon
322
Sable Offshore Corp
SOC
$906M
– –
-74,000
Closed -$1.29M
ZK
323
DELISTED
Zeekr
ZK
– –
-104,037
Closed -$3.17M
VCIC
324
DELISTED
Vine Hill Capital Investment Corp
VCIC
– –
-200,000
Closed -$2.14M
PONY
325
Pony AI Inc
PONY
$3.13B
– –
-311,224
Closed -$7M
10 11 12
13
14

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ACI
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RC
RGM Capital Naples, Florida $2.06B AUM 8.49% 1-Year Est. Return
A
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CGL
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CB
Cadence Bank Tupelo, Mississippi $1.71B AUM 16.17% 1-Year Est. Return
JCM
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MPM
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UBS O'Connor's Q4 2025 Portfolio in Review

As of Q4 2025, UBS O'Connor held 347 positions worth $3.76B, up 12% from $3.34B the previous quarter. Its ten largest holdings account for 70% of the portfolio.

UBS O'Connor deployed $232M of net new capital in Q4 2025, opening 79 new positions and adding to 17 existing holdings. Its largest new stake was Dayforce: 4,096,708 shares worth $283M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 22% a quarter earlier, followed by Healthcare and Industrials.

On the sell side, the largest reduction was NVIDIA, an estimated $17M trimmed.

  • UBS O'Connor's largest Q4 2025 buy was Dayforce: 4,096,708 shares worth $283M.
  • UBS O'Connor added most to Air Lease Corp in Q4 2025, an estimated $142M increase.
  • UBS O'Connor's biggest Q4 2025 reduction was NVIDIA, cutting an estimated $17M.
  • UBS O'Connor fully exited Verona Pharma in Q4 2025, selling an estimated $457M.
  • UBS O'Connor's ten largest holdings make up 70% of its $3.76B portfolio in Q4 2025.
  • UBS O'Connor opened 79 new positions and closed 111 in Q4 2025.
  • UBS O'Connor's portfolio value rose 12% quarter-over-quarter to $3.76B.

Based on UBS O'Connor's 13F filing for Q4 2025, filed 13 Feb 2026.