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UBS O'Connor Portfolio holdings
AUM
$3.76B
Turnover
54.76%
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
(+12%)
Cap. Flow
+$232M
Cap. Flow % of AUM
Cap. Flow %
6.17%
Top 10 Holdings %
Top 10 Hldgs %
70.32%
Holding
347
New
79
Increased
17
Reduced
40
Closed
111
Avg Time Held
Equity + Options
0.8
years
Top 10 Avg Time Held
Equity + Options
0.2
years
Top 20 Avg Time Held
Equity + Options
0.2
years
Avg Time Held Equity only
0.6
years
Top 10 Avg Time Held Equity only
0.2
years
Top 20 Avg Time Held Equity only
0.2
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Dayforce
DAY
|
+$282M |
| 2 |
Comerica
CMA
|
+$267M |
| 3 |
RNAM
Avidity Biosciences
RNAM
|
+$240M |
| 4 |
Hologic
HOLX
|
+$190M |
| 5 |
Exact Sciences
EXAS
|
+$143M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
VRNA
Verona Pharma
VRNA
|
+$457M |
| 2 |
Kellanova
K
|
+$290M |
| 3 |
Mr. Cooper
COOP
|
+$169M |
| 4 |
Interpublic Group of Companies
IPG
|
+$132M |
| 5 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
276
PUT
Live Nation Entertainment
LYV
$40.9B
| – | – |
-32,500
| Closed | -$51.6K | – |
|
277
CALL
Mattel
MAT
$4.8B
| – | – |
-355,000
| Closed | -$44.4K | – |
|
278
Martin Marietta Materials
MLM
$36.1B
| – | – |
-9,100
| Closed | -$5.74M | – |
|
279
DELISTED
Merus
MRUS
| – | – |
-654,126
| Closed | -$61.6M | – |
|
280
MasTec
MTZ
$14.6B
| – | – |
-19,080
| Closed | -$4.06M | – |
|
281
DELISTED
Nabors Energy Transition Corp II
NETD
| – | – |
-233,912
| Closed | -$2.62M | – |
|
282
NIO
NIO
$8.34B
| – | – |
-301,200
| Closed | -$2.3M | – |
|
283
CALL
Nike
NKE
$56.1B
| – | – |
-29,500
| Closed | -$82.3K | – |
|
|
284
Nike
NKE
$56.1B
| – | – |
-20,000
| Closed | -$1.39M | – |
|
285
NRG Energy
NRG
$21.2B
| – | – |
-48,955
| Closed | -$7.93M | – |
|
286
nVent Electric
NVT
$23.7B
| – | – |
-92,500
| Closed | -$9.12M | – |
|
287
Occidental Petroleum
OXY
$62.5B
| – | – |
-206,784
| Closed | -$9.8M | – |
|
288
PagSeguro Digital
PAGS
$3.17B
| – | – |
-582,357
| Closed | -$5.82M | – |
|
289
PACCAR
PCAR
$58.2B
| – | – |
-19,000
| Closed | -$1.87M | – |
|
290
Pagaya Technologies
PGY
$1.6B
| – | – |
-31,556
| Closed | -$937K | – |
|
291
Pentair
PNR
$8.46B
| – | – |
-67,987
| Closed | -$7.53M | – |
|
292
Quanta Services
PWR
$90.9B
| – | – |
-12,000
| Closed | -$4.97M | – |
|
293
PUT
Invesco QQQ Trust
QQQ
$491B
| – | – |
-68,500
| Closed | -$240K | – |
|
294
Roadzen Inc Warrants
RDZNW
$4.79M
| – | – |
-65,696
| Closed | -$4.2K | – |
|
295
CALL
Riot Platforms
RIOT
$5.4B
| – | – |
-29,200
| Closed | -$23.5K | – |
|
296
Signet Jewelers
SIG
$4.38B
| – | – |
-20,000
| Closed | -$1.92M | – |
|
297
PUT
Tanger
SKT
$4.06B
| – | – |
-13,500
| Closed | -$7.76K | – |
|
298
PUT
VanEck Semiconductor ETF
SMH
$67.6B
| – | – |
-10,300
| Closed | -$30.5K | – |
|
299
Southern Company
SO
$104B
| – | – |
-201,920
| Closed | -$19.1M | – |
|
300
DELISTED
Sapiens International
SPNS
| – | – |
-450,172
| Closed | -$19.4M | – |
|
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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.