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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 | |
|---|---|---|---|---|---|---|---|
51
Axalta
AXTA
$7.21B
| $4.54M | 0.12% |
140,600
+55,350
| +65% | +$1.62M |
2018 Q4
28 quarters
|
|
52
Entergy
ETR
$49.6B
| $4.51M | 0.12% |
48,830
-159,500
| -77% | -$15.1M |
2025 Q1
3 quarters
|
|
53
United Rentals
URI
$63.8B
| $4.37M | 0.12% |
5,400
-3,370
| -38% | -$2.93M |
2025 Q2
2 quarters
|
|
|
ANSC
54
DELISTED
Agriculture & Natural Solutions Acquisition Corp
ANSC
| $4.29M | 0.11% |
384,160
| – | – |
2024 Q1
7 quarters
|
|
55
Booking.com
BKNG
$122B
| $4.28M | 0.11% |
+20,000
| New | +$4.12M |
2025 Q4
0 quarters
|
|
56
Constellation Energy
CEG
$93.2B
| $4.27M | 0.11% |
+12,100
| New | +$4.4M |
2025 Q4
0 quarters
|
|
57
PUT
Lucid Motors
LCID
$1.22B
| $4.14M | 0.11% |
2,777,800
-387,300
| -12% | -$6.19M |
2023 Q2
10 quarters
|
|
58
Howmet Aerospace
HWM
$87.7B
| $4.1M | 0.11% |
20,000
-5,000
| -20% | -$995K |
2025 Q2
2 quarters
|
|
59
Delta Air Lines
DAL
$49.1B
| $4.08M | 0.11% |
58,731
-56,417
| -49% | -$3.52M |
2020 Q2
22 quarters
|
|
60
Trailblazer Acquisition Corp
BLZR
$351M
| $4M | 0.11% |
+400,000
| New | +$4.04M |
2025 Q4
0 quarters
|
|
61
Synopsys
SNPS
$87.1B
| $3.76M | 0.1% |
8,000
-10,801
| -57% | -$4.8M |
2025 Q3
1 quarter
|
|
62
Coherent
COHR
$45.7B
| $3.74M | 0.1% |
20,257
+4,329
| +27% | +$648K |
2025 Q3
1 quarter
|
|
63
Intel
INTC
$487B
| $3.69M | 0.1% |
100,000
-28,000
| -22% | -$1.06M |
2025 Q2
2 quarters
|
|
64
Vertiv
VRT
$79.3B
| $3.57M | 0.1% |
22,057
+657
| +3% | +$114K |
2025 Q3
1 quarter
|
|
65
Pinduoduo
PDD
$116B
| $3.53M | 0.09% |
31,107
-15,694
| -34% | -$1.95M |
2025 Q1
3 quarters
|
|
|
NHIC
66
DELISTED
NewHold Investment Corp III
NHIC
| $3.36M | 0.09% |
324,604
-50,396
| -13% | -$520K |
2025 Q2
2 quarters
|
|
|
LOKV
67
DELISTED
Live Oak Acquisition Corp V
LOKV
| $3.35M | 0.09% |
324,923
| – | – |
2025 Q2
2 quarters
|
|
68
Oaktree Acquisition Corp III Life Sciences
OACC
$262M
| $3.17M | 0.08% |
300,000
| – | – |
2024 Q4
4 quarters
|
|
69
TKO Group
TKO
$12.7B
| $3.14M | 0.08% |
15,000
+9,000
| +150% | +$1.75M |
2025 Q2
2 quarters
|
|
|
SVAC
70
DELISTED
Spring Valley Acquisition Corp III
SVAC
| $3.04M | 0.08% |
+300,000
| New | +$3.1M |
2025 Q4
0 quarters
|
|
71
Norwegian Cruise Line
NCLH
$6.99B
| $3.01M | 0.08% |
135,000
| – | – |
2021 Q3
17 quarters
|
|
72
Amphenol
APH
$198B
| $2.99M | 0.08% |
44,220
-55,780
| -56% | -$3.73M |
2025 Q3
1 quarter
|
|
73
First Solar
FSLR
$18.5B
| $2.95M | 0.08% |
+11,300
| New | +$2.85M |
2025 Q4
0 quarters
|
|
74
C.H. Robinson
CHRW
$16.2B
| $2.92M | 0.08% |
18,170
-53,630
| -75% | -$7.92M |
2025 Q3
1 quarter
|
|
75
Accel Entertainment
ACEL
$882M
| $2.82M | 0.07% |
246,728
| – | – |
2020 Q1
23 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.