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UOC

UBS O'Connor Portfolio holdings

AUM $3.76B
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
Cap. Flow
+$232M
Cap. Flow %
6.17%
Top 10 Hldgs %
70.32%
Holding
347
New
79
Increased
17
Reduced
40
Closed
111

Top Buys

Rank Stock Value
1
DAY
Dayforce
DAY
+$282M
2
CMA
Comerica
CMA
+$267M
3
RNAM
Avidity Biosciences
RNAM
+$240M
4
HOLX
Hologic
HOLX
+$190M
5
EXAS
Exact Sciences
EXAS
+$143M

Top Sells

Rank Stock Value
1
VRNA
Verona Pharma
VRNA
+$457M
2
K
Kellanova
K
+$290M
3
COOP
Mr. Cooper
COOP
+$169M
4
IPG
Interpublic Group of Companies
IPG
+$132M
5
INFA
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
AXTA icon
51
Axalta
AXTA
$7.7B
$4.54M 0.12%
140,600
+55,350
+65% +$1.62M
ETR icon
52
Entergy
ETR
$51.5B
$4.51M 0.12%
48,830
-159,500
-77% -$15.1M
URI icon
53
United Rentals
URI
$61.9B
$4.37M 0.12%
5,400
-3,370
-38% -$2.93M
ANSC
54
DELISTED
Agriculture & Natural Solutions Acquisition Corp
ANSC
$4.29M 0.11%
384,160
– –
BKNG icon
55
Booking.com
BKNG
$147B
$4.28M 0.11%
+20,000
New +$4.12M
CEG icon
56
Constellation Energy
CEG
$101B
$4.27M 0.11%
+12,100
New +$4.4M
LCID icon
57
PUT
Lucid Motors
LCID
$1.81B
$4.14M 0.11%
2,777,800
-387,300
-12% -$6.19M
HWM icon
58
Howmet Aerospace
HWM
$104B
$4.1M 0.11%
20,000
-5,000
-20% -$995K
DAL icon
59
Delta Air Lines
DAL
$51.8B
$4.08M 0.11%
58,731
-56,417
-49% -$3.52M
BLZR
60
Trailblazer Acquisition Corp
BLZR
$351M
$4M 0.11%
+400,000
New +$4.04M
SNPS icon
61
Synopsys
SNPS
$79.8B
$3.76M 0.1%
8,000
-10,801
-57% -$4.8M
COHR icon
62
Coherent
COHR
$51.8B
$3.74M 0.1%
20,257
+4,329
+27% +$648K
INTC icon
63
Intel
INTC
$485B
$3.69M 0.1%
100,000
-28,000
-22% -$1.06M
VRT icon
64
Vertiv
VRT
$103B
$3.57M 0.1%
22,057
+657
+3% +$114K
PDD icon
65
Pinduoduo
PDD
$116B
$3.53M 0.09%
31,107
-15,694
-34% -$1.95M
NHIC
66
NewHold Investment Corp III
NHIC
$293M
$3.36M 0.09%
324,604
-50,396
-13% -$520K
LOKV
67
DELISTED
Live Oak Acquisition Corp V
LOKV
$3.35M 0.09%
324,923
– –
OACC
68
Oaktree Acquisition Corp III Life Sciences
OACC
$265M
$3.17M 0.08%
300,000
– –
TKO icon
69
TKO Group
TKO
$13.8B
$3.13M 0.08%
15,000
+9,000
+150% +$1.75M
SVAC
70
DELISTED
Spring Valley Acquisition Corp III
SVAC
$3.04M 0.08%
+300,000
New +$3.1M
NCLH icon
71
Norwegian Cruise Line
NCLH
$7.16B
$3.01M 0.08%
135,000
– –
APH icon
72
Amphenol
APH
$202B
$2.99M 0.08%
44,220
-55,780
-56% -$3.73M
FSLR icon
73
First Solar
FSLR
$22.3B
$2.95M 0.08%
+11,300
New +$2.85M
CHRW icon
74
C.H. Robinson
CHRW
$17.1B
$2.92M 0.08%
18,170
-53,630
-75% -$7.92M
ACEL icon
75
Accel Entertainment
ACEL
$958M
$2.82M 0.07%
246,728
– –
1 2
3
4 5

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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.