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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
DOCN icon
226
PUT
DigitalOcean
DOCN
$13.2B
$3K ﹤0.01%
+15,000
New +$661K
MPT
227
PUT
Medical Properties Trust
MPT
$2.39B
$1.98K ﹤0.01%
396,500
– –
BSLKW
228
DELISTED
Bolt Projects Holdings Warrant
BSLKW
$1.86K ﹤0.01%
110,914
– –
AAP icon
229
PUT
Advance Auto Parts
AAP
$2.67B
$1.26K ﹤0.01%
12,000
– –
MGNI icon
230
CALL
Magnite
MGNI
$3.46B
$800 ﹤0.01%
32,000
-200,000
-86% -$3.32M
ADT icon
231
ADT
ADT
$5.45B
– –
-229,607
Closed -$2M
ANET icon
232
CALL
Arista Networks
ANET
$244B
– –
-23,500
Closed -$20K
ANET icon
233
Arista Networks
ANET
$244B
– –
-30,000
Closed -$4.37M
APD icon
234
Air Products & Chemicals
APD
$67.1B
– –
-31,535
Closed -$8.6M
ARCO icon
235
Arcos Dorados Holdings
ARCO
$1.72B
– –
-536,643
Closed -$3.62M
BAP icon
236
Credicorp
BAP
$30.4B
– –
-14,076
Closed -$3.75M
BBAR icon
237
BBVA Argentina
BBAR
$3.03B
– –
-368,434
Closed -$3.07M
BILI icon
238
Bilibili
BILI
$6.37B
– –
-43,230
Closed -$1.21M
BSAC icon
239
Banco Santander Chile
BSAC
$16.8B
– –
-119,793
Closed -$3.17M
CCO icon
240
Clear Channel Outdoor Holdings
CCO
$1.21B
– –
-1,000,000
Closed -$1.58M
CLH icon
241
Clean Harbors
CLH
$16.7B
– –
-39,450
Closed -$9.16M
COIN icon
242
Coinbase
COIN
$48.7B
– –
-19,000
Closed -$6.41M
VISN
243
Vistance Networks Inc
VISN
$1.48B
– –
-125,000
Closed -$1.94M
COOP
244
DELISTED
Mr. Cooper
COOP
– –
-799,969
Closed -$169M
CRC icon
245
California Resources
CRC
$4.82B
– –
-49,400
Closed -$2.63M
CROX icon
246
CALL
Crocs
CROX
$5.63B
– –
-125,000
Closed -$231K
DHI icon
247
D.R. Horton
DHI
$39.9B
– –
-11,720
Closed -$1.99M
DLO icon
248
dLocal
DLO
$4.57B
– –
-78,152
Closed -$1.12M
EA
249
DELISTED
Electronic Arts
EA
– –
-150,000
Closed -$30.3M
ELME
250
Elme Communities
ELME
$150M
– –
-1,870,603
Closed -$31.5M
8 9
10
11 12

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CGL
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JCM
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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.