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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
CYBR
1
DELISTED
CyberArk
CYBR
$464M 12.36%
1,040,571
+52,757
+5% +$25.4M
GTLS
2
DELISTED
Chart Industries
GTLS
$380M 10.12%
1,843,737
+563,698
+44% +$114M
CMA
3
DELISTED
Comerica
CMA
$288M 7.66%
+3,311,960
New +$267M
DAY
4
DELISTED
Dayforce
DAY
$283M 7.54%
+4,096,708
New +$282M
RNAM
5
DELISTED
Avidity Biosciences
RNAM
$268M 7.14%
+3,716,597
New +$240M
FYBR
6
DELISTED
Frontier Communications
FYBR
$263M 6.99%
6,901,367
+1,021,598
+17% +$38.6M
AL
7
DELISTED
Air Lease Corp
AL
$195M 5.2%
3,039,453
+2,222,043
+272% +$142M
HOLX
8
DELISTED
Hologic
HOLX
$194M 5.17%
+2,605,031
New +$190M
EXAS
9
DELISTED
Exact Sciences
EXAS
$181M 4.81%
+1,779,212
New +$143M
CADE
10
DELISTED
Cadence Bank
CADE
$125M 3.33%
+2,916,809
New +$116M
CFLT
11
DELISTED
Confluent
CFLT
$120M 3.2%
+3,970,660
New +$97.5M
KLAR
12
Klarna Group
KLAR
$5.44B
$72.3M 1.93%
+2,501,675
New +$85.9M
CDTX
13
DELISTED
Cidara Therapeutics
CDTX
$69.7M 1.86%
+315,474
New +$51M
SEE
14
DELISTED
Sealed Air
SEE
$49.5M 1.32%
+1,195,854
New +$46.3M
SNV
15
DELISTED
Synovus
SNV
$35M 0.93%
+699,181
New +$33.6M
AVGO icon
16
Broadcom
AVGO
$1.7T
$27.3M 0.73%
78,896
+70,946
+892% +$25.4M
MAT icon
17
Mattel
MAT
$4.09B
$19.3M 0.51%
973,829
+30,600
+3% +$591K
NVDA icon
18
NVIDIA
NVDA
$5.52T
$18.1M 0.48%
97,116
-91,404
-48% -$17M
AEP icon
19
American Electric Power
AEP
$67.9B
$15M 0.4%
130,250
+88,250
+210% +$10.4M
CNP icon
20
CenterPoint Energy
CNP
$26.3B
$14.6M 0.39%
381,495
-6,170
-2% -$241K
LNT icon
21
Alliant Energy
LNT
$17.6B
$14.6M 0.39%
224,205
-78,775
-26% -$5.28M
FOLD
22
DELISTED
Amicus Therapeutics
FOLD
$14.2M 0.38%
+1,000,000
New +$9.82M
CRH icon
23
CRH
CRH
$61.2B
$13.7M 0.36%
+109,645
New +$13.1M
PH icon
24
Parker-Hannifin
PH
$122B
$13.6M 0.36%
+15,460
New +$12.7M
WM icon
25
Waste Management
WM
$88.6B
$13.6M 0.36%
+61,675
New +$13.1M
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.