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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
MIRM icon
376
Mirum Pharmaceuticals
MIRM
$6.15B
– –
-21,409
Closed -$1.09M
MLYS icon
377
Mineralys Therapeutics
MLYS
$2.49B
– –
-79,723
Closed -$1.08M
MRNA icon
378
CALL
Moderna
MRNA
$58.1B
– –
-35,000
Closed -$23.4K
MRVL icon
379
CALL
Marvell Technology
MRVL
$201B
– –
-75,000
Closed -$341K
MRVL icon
380
Marvell Technology
MRVL
$201B
– –
-24,688
Closed -$1.91M
MS icon
381
Morgan Stanley
MS
$342B
– –
-50,000
Closed -$7.04M
MSFT icon
382
Microsoft
MSFT
$3.71T
– –
-4,449
Closed -$2.21M
MU icon
383
Micron Technology
MU
$1.15T
– –
-20,000
Closed -$2.46M
NGNE icon
384
Neurogene
NGNE
$772M
– –
-34,761
Closed -$520K
NOC icon
385
Northrop Grumman
NOC
$73.2B
– –
-7,500
Closed -$3.75M
NSC icon
386
Norfolk Southern
NSC
$74B
– –
-24,088
Closed -$6.17M
NUVB icon
387
Nuvation Bio
NUVB
$2.39B
– –
-282,464
Closed -$551K
NVDA icon
388
PUT
NVIDIA
NVDA
$5.56T
– –
-20,000
Closed -$3.5K
NVNO
389
enVVeno Medical
NVNO
$7.95M
– –
-6,890
Closed -$962K
NVO
390
CALL
Novo Nordisk
NVO
$206B
– –
-20,000
Closed -$3.4K
NVS icon
391
CALL
Novartis
NVS
$304B
– –
-15,000
Closed -$13.5K
OCFT
392
DELISTED
OneConnect Financial Technology
OCFT
– –
-18,106
Closed -$130K
OCUL icon
393
CALL
Ocular Therapeutix
OCUL
$2.34B
– –
-120,000
Closed -$153K
OCUL icon
394
Ocular Therapeutix
OCUL
$2.34B
– –
-210,205
Closed -$1.95M
ODFL icon
395
Old Dominion Freight Line
ODFL
$38.5B
– –
-23,320
Closed -$3.78M
OFIX icon
396
Orthofix Medical
OFIX
$378M
– –
-67,518
Closed -$753K
ORIC icon
397
Oric Pharmaceuticals
ORIC
$1.33B
– –
-49,000
Closed -$497K
PH icon
398
Parker-Hannifin
PH
$121B
– –
-4,020
Closed -$2.81M
PRAX icon
399
Praxis Precision Medicines
PRAX
$9.82B
– –
-21,892
Closed -$921K
PRCT icon
400
Procept Biorobotics
PRCT
$1.3B
– –
-25,226
Closed -$1.45M
14 15
16
17 18

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CGL
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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.