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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
TEVA icon
426
Teva Pharmaceuticals
TEVA
$42.4B
– –
-223,596
Closed -$3.75M
TGTX icon
427
TG Therapeutics
TGTX
$8.57B
– –
-19,000
Closed -$684K
TLT icon
428
PUT
iShares 20+ Year Treasury Bond ETF
TLT
$46.6B
– –
-600,000
Closed -$102K
TMCI icon
429
Treace Medical Concepts
TMCI
$313M
– –
-100,317
Closed -$590K
TME icon
430
Tencent Music
TME
$13.5B
– –
-55,000
Closed -$1.07M
TMO icon
431
Thermo Fisher Scientific
TMO
$227B
– –
-3,770
Closed -$1.53M
TSLA icon
432
PUT
Tesla
TSLA
$1.4T
– –
-12,500
Closed -$289K
UAL icon
433
PUT
United Airlines
UAL
$36.2B
– –
-87,500
Closed -$165K
UPS icon
434
United Parcel Service
UPS
$87B
– –
-75,180
Closed -$7.59M
USO icon
435
PUT
United States Oil Fund
USO
$1.95B
– –
-72,000
Closed -$25.6K
UWMC icon
436
UWM Holdings
UWMC
$2.36B
– –
-143,000
Closed -$592K
VERA icon
437
CALL
Vera Therapeutics
VERA
$2.59B
– –
-40,000
Closed -$23K
VERA icon
438
Vera Therapeutics
VERA
$2.59B
– –
-27,400
Closed -$646K
VFC icon
439
VF Corp
VFC
$5.29B
– –
-100,000
Closed -$1.18M
VRDN icon
440
Viridian Therapeutics
VRDN
$2.6B
– –
-131,294
Closed -$1.84M
VSTM icon
441
Verastem
VSTM
$743M
– –
-255,253
Closed -$1.06M
VTLE
442
CALL
DELISTED
Vital Energy
VTLE
– –
-70,000
Closed -$22.8K
VTYX
443
DELISTED
Ventyx Biosciences
VTYX
– –
-79,000
Closed -$169K
WAB icon
444
Wabtec
WAB
$47.8B
– –
-25,030
Closed -$5.24M
WBA
445
DELISTED
Walgreens Boots Alliance
WBA
– –
-25,115,686
Closed -$288M
WMT icon
446
Walmart Inc
WMT
$850B
– –
-15,000
Closed -$1.47M
XBI icon
447
CALL
State Street SPDR S&P Biotech ETF
XBI
$11.7B
– –
-70,000
Closed -$67.2K
XBI icon
448
PUT
State Street SPDR S&P Biotech ETF
XBI
$11.7B
– –
-105,000
Closed -$149K
XFOR icon
449
X4 Pharmaceuticals
XFOR
$401M
– –
-80,000
Closed -$152K
XLV icon
450
PUT
State Street Health Care Select Sector SPDR ETF
XLV
$44.1B
– –
-70,000
Closed -$40.6K
15 16 17
18
19

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ACI
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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.