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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
+13.49%
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
$3.34B
AUM Growth
-$346M
Cap. Flow
-$728M
Cap. Flow %
-21.78%
Top 10 Hldgs %
68.3%
Holding
475
New
106
Increased
41
Reduced
44
Closed
201

Top Buys

Rank Stock Value
1
VRNA
Verona Pharma
VRNA
+$447M
2
CYBR
CyberArk
CYBR
+$424M
3
GTLS
Chart Industries
GTLS
+$243M
4
IPG
Interpublic Group of Companies
IPG
+$96.3M
5
COOP
Mr. Cooper
COOP
+$67.2M

Top Sells

Rank Stock Value
1
WBA
Walgreens Boots Alliance
WBA
+$288M
2
SKX
Skechers
SKX
+$227M
3
BPMC
Blueprint Medicines
BPMC
+$220M
4
CHX
ChampionX
CHX
+$187M
5
ANSS
Ansys
ANSS
+$173M

Sector Composition

Rank Sector Weight
1 Technology 21.6%
2 Industrials 16.01%
3 Healthcare 15.52%
4 Communication Services 12.09%
5 Financials 10.18%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EL icon
326
Estee Lauder
EL
$37.6B
– –
-40,000
Closed -$3.23M
ESAB icon
327
ESAB
ESAB
$4.66B
– –
-8,900
Closed -$1.07M
ESGR
328
DELISTED
Enstar Group
ESGR
– –
-117,537
Closed -$39.5M
EVLVW
329
DELISTED
Evolv Technologies Warrant
EVLVW
– –
-463,341
Closed -$259K
EW icon
330
Edwards Lifesciences
EW
$51.8B
– –
-14,510
Closed -$1.13M
EWTX icon
331
Edgewise Therapeutics
EWTX
$4.68B
– –
-55,292
Closed -$725K
FBIN icon
332
Fortune Brands Innovations
FBIN
$5.15B
– –
-167,475
Closed -$8.62M
FL
333
DELISTED
Foot Locker
FL
– –
-720,109
Closed -$17.6M
FOUR icon
334
CALL
Shift4
FOUR
$3.63B
– –
-35,000
Closed -$354K
FOUR icon
335
Shift4
FOUR
$3.63B
– –
-46,775
Closed -$4.64M
FSLR icon
336
CALL
First Solar
FSLR
$22B
– –
-15,000
Closed -$189K
GILD icon
337
PUT
Gilead Sciences
GILD
$187B
– –
-18,000
Closed -$360
GLD icon
338
CALL
SPDR Gold Trust
GLD
$149B
– –
-31,500
Closed -$154K
GMAB icon
339
Genmab
GMAB
$20.7B
– –
-158,719
Closed -$3.28M
GMS
340
DELISTED
GMS Inc
GMS
– –
-200,000
Closed -$21.8M
HES
341
DELISTED
Hess
HES
– –
-1,055,429
Closed -$146M
HLT icon
342
Hilton Worldwide
HLT
$70B
– –
-5,000
Closed -$1.33M
HON icon
343
Honeywell
HON
$66.4B
– –
-24,017
Closed -$5.27M
HYG icon
344
PUT
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$16.3B
– –
-500,000
Closed -$173K
IDYA icon
345
IDEAYA Biosciences
IDYA
$3.85B
– –
-51,600
Closed -$1.08M
IFRX icon
346
InflaRx
IFRX
$327M
– –
-150,000
Closed -$119K
IMCR icon
347
Immunocore
IMCR
$1.86B
– –
-53,343
Closed -$1.67M
IMUX icon
348
Immunic
IMUX
$179M
– –
-3,000
Closed -$20.9K
INCY icon
349
CALL
Incyte
INCY
$25.7B
– –
-35,000
Closed -$49.8K
INCY icon
350
Incyte
INCY
$25.7B
– –
-28,924
Closed -$1.97M
12 13
14
15 16

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RC
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CGL
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CB
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JCM
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MPM
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UBS O'Connor's Q3 2025 Portfolio in Review

As of Q3 2025, UBS O'Connor held 475 positions worth $3.34B, down 9.4% from $3.69B the previous quarter. Its ten largest holdings account for 68% of the portfolio.

UBS O'Connor withdrew a net $728M in Q3 2025, closing 201 positions and reducing 44 holdings. Its most notable exit was Walgreens Boots Alliance, an estimated $288M position sold in full.

By sector, the portfolio is most concentrated in Technology at 22% of assets, up from 14% a quarter earlier, followed by Industrials and Healthcare.

Against the trend, UBS O'Connor opened a new position in Verona Pharma worth $457M.

  • UBS O'Connor's largest Q3 2025 buy was Verona Pharma: 4,283,462 shares worth $457M.
  • UBS O'Connor added most to Interpublic Group of Companies in Q3 2025, an estimated $96.3M increase.
  • UBS O'Connor's biggest Q3 2025 reduction was Kellanova, cutting an estimated $110M.
  • UBS O'Connor fully exited Walgreens Boots Alliance in Q3 2025, selling an estimated $288M.
  • UBS O'Connor's ten largest holdings make up 68% of its $3.34B portfolio in Q3 2025.
  • UBS O'Connor opened 106 new positions and closed 201 in Q3 2025.
  • UBS O'Connor's portfolio value fell 9.4% quarter-over-quarter to $3.34B.

Based on UBS O'Connor's 13F filing for Q3 2025, filed 14 Nov 2025.