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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
LYV icon
276
PUT
Live Nation Entertainment
LYV
$40.2B
– –
-32,500
Closed -$51.6K
MAT icon
277
CALL
Mattel
MAT
$4.18B
– –
-355,000
Closed -$44.4K
MLM icon
278
Martin Marietta Materials
MLM
$36.4B
– –
-9,100
Closed -$5.74M
MRUS
279
DELISTED
Merus
MRUS
– –
-654,126
Closed -$61.6M
MTZ icon
280
MasTec
MTZ
$19B
– –
-19,080
Closed -$4.06M
NETD
281
DELISTED
Nabors Energy Transition Corp II
NETD
– –
-233,912
Closed -$2.62M
NIO icon
282
NIO
NIO
$9.45B
– –
-301,200
Closed -$2.3M
NKE icon
283
CALL
Nike
NKE
$56.8B
– –
-29,500
Closed -$82.3K
NKE icon
284
Nike
NKE
$56.8B
– –
-20,000
Closed -$1.39M
NRG icon
285
NRG Energy
NRG
$24.4B
– –
-48,955
Closed -$7.93M
NVT icon
286
nVent Electric
NVT
$25.2B
– –
-92,500
Closed -$9.12M
OXY icon
287
Occidental Petroleum
OXY
$60.2B
– –
-206,784
Closed -$9.77M
PAGS icon
288
PagSeguro Digital
PAGS
$2.69B
– –
-582,357
Closed -$5.82M
PCAR icon
289
PACCAR
PCAR
$65.7B
– –
-19,000
Closed -$1.87M
PGY icon
290
Pagaya Technologies
PGY
$1.87B
– –
-31,556
Closed -$937K
PNR icon
291
Pentair
PNR
$9.52B
– –
-67,987
Closed -$7.53M
PWR icon
292
Quanta Services
PWR
$93.4B
– –
-12,000
Closed -$4.97M
QQQ icon
293
PUT
Invesco QQQ Trust
QQQ
$488B
– –
-68,500
Closed -$240K
RDZNW icon
294
Roadzen Inc Warrants
RDZNW
$5.76M
– –
-65,696
Closed -$4.21K
RIOT icon
295
CALL
Riot Platforms
RIOT
$8.05B
– –
-29,200
Closed -$23.5K
SIG icon
296
Signet Jewelers
SIG
$3.31B
– –
-20,000
Closed -$1.92M
SKT icon
297
PUT
Tanger
SKT
$4.32B
– –
-13,500
Closed -$7.76K
SMH icon
298
PUT
VanEck Semiconductor ETF
SMH
$69.3B
– –
-10,300
Closed -$30.5K
SO icon
299
Southern Company
SO
$102B
– –
-201,920
Closed -$19.1M
SPNS
300
DELISTED
Sapiens International
SPNS
– –
-450,172
Closed -$19.4M
10 11
12
13 14

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FNBT
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ACI
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RC
RGM Capital Naples, Florida $2.06B AUM 8.49% 1-Year Est. Return
A
AlphaQuest New York $1.79B AUM 10.61% 1-Year Est. Return
CGL
Clarius Group LLC Seattle, Washington $1.75B AUM 19.04% 1-Year Est. Return
CB
Cadence Bank Tupelo, Mississippi $1.71B AUM 16.17% 1-Year Est. Return
JCM
Janney Capital Management Pittsburgh, Pennsylvania $1.59B AUM 23.25% 1-Year Est. Return
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.