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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 | |
|---|---|---|---|---|---|---|---|
201
PUT
WisdomTree
WT
$3.23B
| $30K | ﹤0.01% |
+100,000
| New | +$1.21M |
2025 Q4
0 quarters
|
|
202
Royalty Management Holding Warrant
RMCOW
$878K
| $28.8K | ﹤0.01% |
221,686
| – | – |
2024 Q2
6 quarters
|
|
203
PUT
FirstEnergy
FE
$26.2B
| $26K | ﹤0.01% |
26,000
| – | – |
2024 Q2
6 quarters
|
|
204
PUT
Vornado Realty Trust
VNO
$6.01B
| $25.1K | ﹤0.01% |
33,500
| – | – |
2024 Q2
6 quarters
|
|
205
CID HoldCo Inc Warrants
DAICW
$108K
| $23.7K | ﹤0.01% |
282,640
| – | – |
2025 Q2
2 quarters
|
|
206
PUT
Cheesecake Factory
CAKE
$5.78B
| $21K | ﹤0.01% |
20,000
+2,500
| +14% | +$125K |
2025 Q2
2 quarters
|
|
|
VACI.WS
207
DELISTED
Viking Acquisition Corp I Warrants
VACI.WS
| $19.5K | ﹤0.01% |
+50,000
| New | +$21K |
2025 Q4
0 quarters
|
|
208
PUT
Macy's
M
$6.16B
| $18.8K | ﹤0.01% |
80,000
| – | – |
2025 Q3
1 quarter
|
|
209
PUT
Peloton Interactive
PTON
$2.3B
| $14K | ﹤0.01% |
400,000
| – | – |
2023 Q1
11 quarters
|
|
210
McKinley Acquisition Corp Rights
MKLYR
| $12.5K | ﹤0.01% |
+100,000
| New | +$17.3K |
2025 Q4
0 quarters
|
|
211
Indigo Acquisition Corp Right
INACR
| $10.9K | ﹤0.01% |
75,000
| – | – |
2025 Q3
1 quarter
|
|
212
PUT
iShares Russell 2000 ETF
IWM
$77.8B
| $10.8K | ﹤0.01% |
+45,000
| New | +$11.1M |
2025 Q4
0 quarters
|
|
213
PUT
Synchrony
SYF
$24.2B
| $9.31K | ﹤0.01% |
21,900
| – | – |
2024 Q2
6 quarters
|
|
214
CALL
Expand Energy Corp
EXE
$21.5B
| $8.4K | ﹤0.01% |
+20,000
| New | +$2.22M |
2025 Q4
0 quarters
|
|
215
Syntec Optics Holdings Warrant
OPTXW
$22.9M
| $8.33K | ﹤0.01% |
32,034
| – | – |
2022 Q1
15 quarters
|
|
216
Scage Future Warrants
SCAGW
| $7.99K | ﹤0.01% |
127,590
| – | – |
2025 Q3
1 quarter
|
|
217
Tevogen Inc Warrant
TVGNW
$1.14M
| $6.96K | ﹤0.01% |
181,387
| – | – |
2022 Q1
15 quarters
|
|
218
Brand Engagement Network Warrant
BNAIW
$741K
| $6.85K | ﹤0.01% |
150,251
| – | – |
2024 Q1
7 quarters
|
|
219
CALL
Broadcom
AVGO
$1.6T
| $6.2K | ﹤0.01% |
+40,000
| New | +$14.3M |
2025 Q4
0 quarters
|
|
220
PUT
Las Vegas Sands
LVS
$24.6B
| $5.93K | ﹤0.01% |
37,200
| – | – |
2024 Q1
7 quarters
|
|
221
PUT
Norwegian Cruise Line
NCLH
$7B
| $5.66K | ﹤0.01% |
188,800
| – | – |
2021 Q2
18 quarters
|
|
222
PUT
OneMain Financial
OMF
$6.42B
| $5.64K | ﹤0.01% |
34,400
| – | – |
2022 Q3
13 quarters
|
|
223
MultiSensor AI Holdings Warrant
MSAIW
| $5.58K | ﹤0.01% |
142,585
| – | – |
2023 Q4
8 quarters
|
|
224
Borealis Foods Inc Warrant
BRLSW
| $3.83K | ﹤0.01% |
70,030
| – | – |
2024 Q1
7 quarters
|
|
225
PUT
Viasat
VSAT
$8.31B
| $3.66K | ﹤0.01% |
73,300
| – | – |
2024 Q2
6 quarters
|
|
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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.