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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 | |
|---|---|---|---|---|---|---|---|
1
DELISTED
CyberArk
CYBR
| $464M | 12.36% |
1,040,571
+52,757
| +5% | +$25.4M |
2025 Q3
1 quarter
|
|
2
DELISTED
Chart Industries
GTLS
| $380M | 10.12% |
1,843,737
+563,698
| +44% | +$114M |
2025 Q3
1 quarter
|
|
|
3
DELISTED
Comerica
CMA
| $288M | 7.66% |
+3,311,960
| New | +$267M |
2025 Q4
0 quarters
|
|
|
4
DELISTED
Dayforce
DAY
| $283M | 7.54% |
+4,096,708
| New | +$282M |
2025 Q4
0 quarters
|
|
|
RNAM
5
DELISTED
Avidity Biosciences
RNAM
| $268M | 7.14% |
+3,716,597
| New | +$240M |
2025 Q4
0 quarters
|
|
6
DELISTED
Frontier Communications
FYBR
| $263M | 6.99% |
6,901,367
+1,021,598
| +17% | +$38.6M |
2024 Q3
5 quarters
|
|
7
DELISTED
Air Lease Corp
AL
| $195M | 5.2% |
3,039,453
+2,222,043
| +272% | +$142M |
2025 Q3
1 quarter
|
|
|
8
DELISTED
Hologic
HOLX
| $194M | 5.17% |
+2,605,031
| New | +$190M |
2025 Q4
0 quarters
|
|
|
9
DELISTED
Exact Sciences
EXAS
| $181M | 4.81% |
+1,779,212
| New | +$143M |
2025 Q4
0 quarters
|
|
10
DELISTED
Cadence Bank
CADE
| $125M | 3.33% |
+2,916,809
| New | +$116M |
2025 Q4
0 quarters
|
|
11
DELISTED
Confluent
CFLT
| $120M | 3.2% |
+3,970,660
| New | +$97.5M |
2025 Q4
0 quarters
|
|
12
Klarna Group
KLAR
$4.96B
| $72.3M | 1.93% |
+2,501,675
| New | +$85.9M |
2025 Q4
0 quarters
|
|
13
DELISTED
Cidara Therapeutics
CDTX
| $69.7M | 1.86% |
+315,474
| New | +$51M |
2025 Q4
0 quarters
|
|
14
DELISTED
Sealed Air
SEE
| $49.5M | 1.32% |
+1,195,854
| New | +$46.3M |
2025 Q4
0 quarters
|
|
15
DELISTED
Synovus
SNV
| $35M | 0.93% |
+699,181
| New | +$33.6M |
2025 Q4
0 quarters
|
|
16
Broadcom
AVGO
$1.62T
| $27.3M | 0.73% |
78,896
+70,946
| +892% | +$25.4M |
2023 Q2
10 quarters
|
|
17
Mattel
MAT
$4.79B
| $19.3M | 0.51% |
973,829
+30,600
| +3% | +$591K |
2020 Q1
23 quarters
|
|
18
NVIDIA
NVDA
$5.3T
| $18.1M | 0.48% |
97,116
-91,404
| -48% | -$17M |
2023 Q1
11 quarters
|
|
19
American Electric Power
AEP
$68.1B
| $15M | 0.4% |
130,250
+88,250
| +210% | +$10.4M |
2025 Q3
1 quarter
|
|
20
CenterPoint Energy
CNP
$26.2B
| $14.6M | 0.39% |
381,495
-6,170
| -2% | -$241K |
2025 Q2
2 quarters
|
|
21
Alliant Energy
LNT
$17.4B
| $14.6M | 0.39% |
224,205
-78,775
| -26% | -$5.28M |
2025 Q3
1 quarter
|
|
22
DELISTED
Amicus Therapeutics
FOLD
| $14.2M | 0.38% |
+1,000,000
| New | +$9.8M |
2025 Q4
0 quarters
|
|
23
CRH
CRH
$55B
| $13.7M | 0.36% |
+109,645
| New | +$13.1M |
2025 Q4
0 quarters
|
|
24
Parker-Hannifin
PH
$122B
| $13.6M | 0.36% |
+15,460
| New | +$12.7M |
2025 Q4
0 quarters
|
|
25
Waste Management
WM
$90.2B
| $13.6M | 0.36% |
+61,675
| New | +$13.1M |
2025 Q4
0 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.