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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 | |
|---|---|---|---|---|---|---|---|
226
PUT
DigitalOcean
DOCN
$12B
| $3K | ﹤0.01% |
+15,000
| New | +$661K |
2025 Q4
0 quarters
|
|
227
PUT
Medical Properties Trust
MPT
$1.58B
| $1.98K | ﹤0.01% |
396,500
| – | – |
2024 Q2
6 quarters
|
|
|
BSLKW
228
DELISTED
Bolt Projects Holdings Warrant
BSLKW
| $1.86K | ﹤0.01% |
110,914
| – | – |
2022 Q1
15 quarters
|
|
229
PUT
Advance Auto Parts
AAP
$2.68B
| $1.26K | ﹤0.01% |
12,000
| – | – |
2025 Q2
2 quarters
|
|
230
CALL
Magnite
MGNI
$3.41B
| $800 | ﹤0.01% |
32,000
-200,000
| -86% | -$3.32M |
2024 Q3
5 quarters
|
|
231
ADT
ADT
$4.95B
| – | – |
-229,607
| Closed | -$2M | – |
|
232
CALL
Arista Networks
ANET
$232B
| – | – |
-23,500
| Closed | -$20K | – |
|
|
233
Arista Networks
ANET
$232B
| – | – |
-30,000
| Closed | -$4.37M | – |
|
234
Air Products & Chemicals
APD
$67.1B
| – | – |
-31,535
| Closed | -$8.6M | – |
|
235
Arcos Dorados Holdings
ARCO
$1.7B
| – | – |
-536,643
| Closed | -$3.62M | – |
|
236
Credicorp
BAP
$30.9B
| – | – |
-14,076
| Closed | -$3.75M | – |
|
237
BBVA Argentina
BBAR
$2.59B
| – | – |
-368,434
| Closed | -$3.07M | – |
|
238
Bilibili
BILI
$5.54B
| – | – |
-43,230
| Closed | -$1.21M | – |
|
239
Banco Santander Chile
BSAC
$15.5B
| – | – |
-119,793
| Closed | -$3.17M | – |
|
240
DELISTED
Clear Channel Outdoor Holdings
CCO
| – | – |
-1,000,000
| Closed | -$1.58M | – |
|
241
Clean Harbors
CLH
$16.8B
| – | – |
-39,450
| Closed | -$9.16M | – |
|
242
Coinbase
COIN
$47B
| – | – |
-19,000
| Closed | -$6.41M | – |
|
243
Vistance Networks Inc
VISN
$1.4B
| – | – |
-125,000
| Closed | -$1.94M | – |
|
|
244
DELISTED
Mr. Cooper
COOP
| – | – |
-799,969
| Closed | -$169M | – |
|
245
California Resources
CRC
$4.75B
| – | – |
-49,400
| Closed | -$2.63M | – |
|
246
CALL
Crocs
CROX
$5.65B
| – | – |
-125,000
| Closed | -$231K | – |
|
247
D.R. Horton
DHI
$38.7B
| – | – |
-11,720
| Closed | -$1.99M | – |
|
248
dLocal
DLO
$4.45B
| – | – |
-78,152
| Closed | -$1.12M | – |
|
249
DELISTED
Electronic Arts
EA
| – | – |
-150,000
| Closed | -$30.3M | – |
|
250
Elme Communities
ELME
$156M
| – | – |
-1,870,603
| Closed | -$31.5M | – |
|
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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.