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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 | |
|---|---|---|---|---|---|---|---|
301
DELISTED
Spirit AeroSystems
SPR
| – | – |
-2,753,215
| Closed | -$106M | – |
|
302
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$825B
| – | – |
-96,000
| Closed | -$346K | – |
|
303
Sportradar
SRAD
$3.49B
| – | – |
-100,000
| Closed | -$2.69M | – |
|
|
SVC
304
CALL
Service Properties Trust
SVC
$796M
| – | – |
-120,000
| Closed | -$105K | – |
|
305
TaskUs
TASK
$781M
| – | – |
-91,181
| Closed | -$1.63M | – |
|
306
CALL
iShares 20+ Year Treasury Bond ETF
TLT
$48.2B
| – | – |
-50,000
| Closed | -$122K | – |
|
307
PUT
DELISTED
Tri Pointe Homes
TPH
| – | – |
-23,600
| Closed | -$31.3K | – |
|
308
Ulta Beauty
ULTA
$25.8B
| – | – |
-5,000
| Closed | -$2.73M | – |
|
309
Vale
VALE
$54.3B
| – | – |
-195,578
| Closed | -$2.12M | – |
|
310
Vista Energy
VIST
$7.87B
| – | – |
-89,299
| Closed | -$3.07M | – |
|
311
Vulcan Materials
VMC
$34.3B
| – | – |
-18,950
| Closed | -$5.83M | – |
|
312
VNET Group
VNET
$1.18B
| – | – |
-107,300
| Closed | -$1.11M | – |
|
|
VRNA
313
DELISTED
Verona Pharma
VRNA
| – | – |
-4,283,462
| Closed | -$457M | – |
|
314
CALL
Vertiv
VRT
$82.1B
| – | – |
-75,000
| Closed | -$1.36M | – |
|
315
Vistra
VST
$52.6B
| – | – |
-40,280
| Closed | -$7.89M | – |
|
316
Waste Connections
WCN
$42.3B
| – | – |
-64,100
| Closed | -$11.3M | – |
|
317
Wynn Resorts
WYNN
$7.82B
| – | – |
-40,000
| Closed | -$5.13M | – |
|
318
CALL
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$4.36B
| – | – |
-37,000
| Closed | -$101K | – |
|
319
Yeti Holdings
YETI
$3.12B
| – | – |
-25,000
| Closed | -$830K | – |
|
320
ZTO Express
ZTO
$14.9B
| – | – |
-85,872
| Closed | -$1.65M | – |
|
321
Amer Sports
AS
$17.4B
| – | – |
-40,000
| Closed | -$1.39M | – |
|
322
Sable Offshore Corp
SOC
$604M
| – | – |
-74,000
| Closed | -$1.29M | – |
|
323
DELISTED
Zeekr
ZK
| – | – |
-104,037
| Closed | -$3.17M | – |
|
|
VCIC
324
DELISTED
Vine Hill Capital Investment Corp
VCIC
| – | – |
-200,000
| Closed | -$2.14M | – |
|
325
Pony AI Inc
PONY
$2.22B
| – | – |
-311,224
| Closed | -$7M | – |
|
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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.