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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 | |
|---|---|---|---|---|---|---|---|
26
iShares Russell 2000 ETF
IWM
$77.9B
| $12.8M | 0.34% |
+52,000
| New | +$12.8M |
2025 Q4
0 quarters
|
|
27
Boeing
BA
$152B
| $11.2M | 0.3% |
+51,535
| New | +$10.6M |
2025 Q4
0 quarters
|
|
28
Crocs
CROX
$5.74B
| $10.6M | 0.28% |
124,000
| – | – |
2025 Q2
2 quarters
|
|
29
Talen Energy Corp
TLN
$16.6B
| $9.8M | 0.26% |
+26,225
| New | +$10.2M |
2025 Q4
0 quarters
|
|
30
NextEra Energy
NEE
$163B
| $8.77M | 0.23% |
+109,300
| New | +$9.05M |
2025 Q4
0 quarters
|
|
31
B2Gold
BTG
$6.94B
| $8.31M | 0.22% |
1,842,462
-213,692
| -10% | -$996K |
2024 Q4
4 quarters
|
|
32
Palo Alto Networks
PANW
$284B
| $8.29M | 0.22% |
+45,000
| New | +$9.08M |
2025 Q4
0 quarters
|
|
33
Alphabet (Google) Class A
GOOGL
$4.23T
| $7.83M | 0.21% |
+25,010
| New | +$7.15M |
2025 Q4
0 quarters
|
|
|
PLYM
34
DELISTED
Plymouth Industrial REIT
PLYM
| $7.67M | 0.2% |
350,677
-301,209
| -46% | -$6.62M |
2025 Q3
1 quarter
|
|
35
DELISTED
Hillenbrand
HI
| $7.59M | 0.2% |
+239,227
| New | +$7.37M |
2025 Q4
0 quarters
|
|
36
Jena Acquisition Corp II
JENA
$302M
| $7.12M | 0.19% |
700,000
| – | – |
2025 Q3
1 quarter
|
|
37
Toast
TOST
$18.3B
| $7.1M | 0.19% |
200,000
+120,000
| +150% | +$4.33M |
2025 Q3
1 quarter
|
|
38
Knight Transportation
KNX
$10.3B
| $7M | 0.19% |
+133,935
| New | +$6.28M |
2025 Q4
0 quarters
|
|
39
Tesla
TSLA
$1.46T
| $6.12M | 0.16% |
13,617
+1,817
| +15% | +$805K |
2025 Q3
1 quarter
|
|
40
TE Connectivity
TEL
$61.6B
| $6M | 0.16% |
+26,355
| New | +$6.1M |
2025 Q4
0 quarters
|
|
41
Futu Holdings
FUTU
$14.8B
| $5.92M | 0.16% |
+36,021
| New | +$6.18M |
2025 Q4
0 quarters
|
|
42
United Airlines
UAL
$30.9B
| $5.59M | 0.15% |
+50,000
| New | +$5.05M |
2025 Q4
0 quarters
|
|
43
Saia
SAIA
$8.82B
| $5.17M | 0.14% |
+15,840
| New | +$4.79M |
2025 Q4
0 quarters
|
|
44
EGH Acquisition Corp
EGHA
$214M
| $5.07M | 0.14% |
500,000
| – | – |
2025 Q2
2 quarters
|
|
45
Mercado Libre
MELI
$93.3B
| $5.04M | 0.13% |
2,500
-4,070
| -62% | -$8.55M |
2024 Q2
6 quarters
|
|
46
Flowserve
FLS
$9B
| $5.02M | 0.13% |
+72,341
| New | +$4.65M |
2025 Q4
0 quarters
|
|
47
Honeywell
HON
$66.9B
| $5.02M | 0.13% |
+25,712
| New | +$5.03M |
2025 Q4
0 quarters
|
|
48
Live Nation Entertainment
LYV
$39.9B
| $4.87M | 0.13% |
34,200
-32,800
| -49% | -$4.71M |
2025 Q2
2 quarters
|
|
49
Gores Holdings X
GTEN
$469M
| $4.87M | 0.13% |
474,941
-75,059
| -14% | -$775K |
2025 Q2
2 quarters
|
|
50
Cantor Equity Partners V
CEPV
$324M
| $4.61M | 0.12% |
+450,000
| New | +$4.61M |
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.