MondegarAI
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)

Q4 2025 · 13F-HR

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)holdings as filed

Filed 2026-02-13 · accession 0001132716-26-000004

$857.8M
Reported value
221
Positions
2025-12-31
Period end
View analyzed profile →PRO

The Brief · OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) · Q4 2025

AI · grounded in 13F

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) established a new position in EXACT SCIE [[stock:EXAS 0.375 03/15/27]] valued at $93.7M. The fund also initiated new stakes in CIDARA THE CDTX for $69.7M and SYNOVUS FI SYU1 for $35M. Additional new positions include BROADCOM I AVGO at $27.3M and PELOTON IN [[stock:PTON 0 02/15/26]] at $27.1M.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
30063PAB1EXAS 0.375 03/15/27EXACT SCIE$93.7M10.9%90,000,000CommonSOLE
171757206CDTXCIDARA THE$69.7M8.12%315,474CommonSOLE
87161C501SYU1SYNOVUS FI$35.0M4.08%699,181CommonSOLE
11135F101AVGOBROADCOM I$27.3M3.18%78,896CommonSOLE
70614WAB6PTON 0 02/15/26PELOTON IN$27.1M3.16%27,352,000CommonSOLE
577081102MATMATTEL INC$19.3M2.25%973,829CommonSOLE
833445AD1SNOW 0 10/01/29SNOWFLAKE$19.0M2.22%12,300,000CommonSOLE
26142RAB0DKNG 0 03/15/28DRAFTKINGS$18.3M2.14%20,000,000CommonSOLE
67066G104NVDANVIDIA COR$18.1M2.11%97,116CommonSOLE
025537101AEPAMERICAN E$15.0M1.75%130,250CommonSOLE
15189T107CNPCENTERPOIN$14.6M1.71%381,495CommonSOLE
018802108LNTALLIANT EN$14.6M1.70%224,205CommonSOLE
03152W109AM6AMICUS THE$14.2M1.66%1,000,000CommonSOLE
G25508105CRHCRH PLC$13.7M1.60%109,645CommonSOLE
701094104PHPARKER-HAN$13.6M1.58%15,460CommonSOLE
94106L109WMWASTE MGMT$13.6M1.58%61,675CommonSOLE
464287655IWMISHARES TR$12.8M1.49%52,000CommonSOLE
097023105BABOEING CO$11.2M1.30%51,535CommonSOLE
227046109CROXCROCS INC$10.6M1.24%124,000CommonSOLE
337932AR8FE 4 05/01/26FIRSTENERG$10.2M1.19%10,000,000CommonSOLE
87422Q109TLNTALEN ENER$9.8M1.15%26,225CommonSOLE
65339F101NEENEXTERA EN$8.8M1.02%109,300CommonSOLE
11777Q209BTGB2GOLD COR$8.3M0.97%1,842,462CommonSOLE
697435105PANWPALO ALTO$8.3M0.97%45,000CommonSOLE
842587DZ7SO 4.5 06/15/27SOUTHERN C$8.0M0.93%7,500,000CommonSOLE
02079K305GOOGLALPHABET I$7.8M0.91%25,010CommonSOLE
G5093B105JENAJENA ACQUI$7.1M0.83%700,000CommonSOLE
888787108TOSTTOAST INC$7.1M0.83%200,000CommonSOLE
499049104KNXKNIGHT-SWI$7.0M0.82%133,935CommonSOLE
88160R101TSLATESLA INC$6.1M0.71%13,617CommonSOLE
G87052109TELTE CONNECT$6.0M0.70%26,355CommonSOLE
36118L106FUTUFUTU HLDGS$5.9M0.69%36,021CommonSOLE
910047109UALUNITED AIR$5.6M0.65%50,000CommonSOLE
78709Y105SAIASAIA INC$5.2M0.60%15,840CommonSOLE
G2946P100EGHAEGH ACQUIS$5.1M0.59%500,000CommonSOLE
58733R102MELIMERCADOLIB$5.0M0.59%2,500CommonSOLE
34354P105FLSFLOWSERVE$5.0M0.59%72,341CommonSOLE
438516106HONHONEYWELL$5.0M0.58%25,712CommonSOLE
538034109LYVLIVE NATIO$4.9M0.57%34,200CommonSOLE
G4002F109GTENGORES HLDG$4.9M0.57%474,941CommonSOLE
G1828S109CEPVCANTOR EQU$4.6M0.54%450,000CommonSOLE
G0750C108AXTAAXALTA COA$4.5M0.53%140,600CommonSOLE
29364G103ETRENTERGY CO$4.5M0.53%48,830CommonSOLE
911363109URIUNITED REN$4.4M0.51%5,400CommonSOLE
G0131Y100ANSCAGRICULTUR$4.3M0.50%384,160CommonSOLE
09857L108BKNGBOOKING HO$4.3M0.50%800CommonSOLE
21037T109CEGCONSTELLAT$4.3M0.50%12,100CommonSOLE
549498202LCIDLUCID GROU$4.1M0.48%2,777,800PUTSOLE
443201108HWMHOWMET AER$4.1M0.48%20,000CommonSOLE
247361702DALDELTA AIR$4.1M0.48%58,731CommonSOLE
G9009S103BLZRTRAILBLAZE$4.0M0.47%400,000CommonSOLE
871607107SNPSSYNOPSYS I$3.8M0.44%8,000CommonSOLE
19247G107COHRCOHERENT C$3.7M0.44%20,257CommonSOLE
458140100INTCINTEL CORP$3.7M0.43%100,000CommonSOLE
92537N108VRTVERTIV HOL$3.6M0.42%22,057CommonSOLE
722304102PDDPDD HOLDIN$3.5M0.41%31,107CommonSOLE
G6486E102NHICNEWHOLD IN$3.4M0.39%324,604CommonSOLE
G5509P102LOKVLIVE OAK A$3.3M0.39%324,923CommonSOLE
G6717R104OACCOAKTREE AC$3.2M0.37%300,000CommonSOLE
87256C101TKOTKO GROUP$3.1M0.37%15,000CommonSOLE
G8377R101SVACSPRING VY$3.0M0.35%300,000CommonSOLE
G66721104NCLHNORWEGIAN$3.0M0.35%135,000CommonSOLE
032095101APHAMPHENOL C$3.0M0.35%22,110CommonSOLE
336433107FSLRFIRST SOLA$3.0M0.34%11,300CommonSOLE
12541W209CHRWC H ROBINS$2.9M0.34%18,170CommonSOLE
00436Q106ACELACCEL ENTE$2.8M0.33%246,728CommonSOLE
G4035N103GPATGP-ACT III$2.7M0.31%250,000CommonSOLE
G1000R101AAMAA MISSION$2.7M0.31%250,000CommonSOLE
G8475V103SVCCSTELLAR V$2.6M0.30%250,000CommonSOLE
G1368E106BLUWBLUE WTR A$2.6M0.30%250,000CommonSOLE
G19307100CGCTCARTESIAN$2.6M0.30%250,000CommonSOLE
G6476A102NPACNEW PROVID$2.6M0.30%250,000CommonSOLE
717081103PFEPFIZER INC$2.6M0.30%102,623CommonSOLE
G2867S109IPODDUNE ACQUI$2.5M0.30%250,000CommonSOLE
G3106N109FTWEQV VENTUR$2.5M0.30%242,175CommonSOLE
G87890102TVAITHAYER VEN$2.5M0.29%250,000CommonSOLE
G86652107TLNCTALON CAP$2.5M0.29%250,000CommonSOLE
G7117W107PACHPIONEER AC$2.5M0.29%250,000CommonSOLE
G6858G107OBAOXLEY BRID$2.5M0.29%250,000CommonSOLE
G82617104SOCASOLARIUS C$2.5M0.29%250,000CommonSOLE
36828A101GEVGE VERNOVA$2.5M0.29%3,834CommonSOLE
G63221108MBVIM3-BRIGADE$2.5M0.29%250,000CommonSOLE
G4569C101HVMCHIGHVIEW M$2.5M0.29%250,000CommonSOLE
G2584S101KOYNCSLM DIGIT$2.5M0.29%250,000CommonSOLE
G2003N105BEAGBOLD EAGLE$2.3M0.27%219,217CommonSOLE
872540109TJXTJX COS IN$2.3M0.27%15,000CommonSOLE
G7375J103RNGTRANGE CAP$2.2M0.26%225,000CommonSOLE
N07059210ASMLASML HOLDI$2.1M0.25%2,000CommonSOLE
929740108WABWABTEC$2.1M0.25%10,000CommonSOLE
G21301109CCIXCHURCHILL$2.1M0.25%199,274CommonSOLE
G04537109ATIIARCHIMEDES$2.1M0.24%200,000CommonSOLE
G2254C121CCIICOHEN CIRC$2.0M0.24%200,000CommonSOLE
G3852D107GSHRGESHER ACQ$2.0M0.24%200,000CommonSOLE
G1331A108BACCBLUE ACQUI$2.0M0.24%200,000CommonSOLE
G17564108CRAQCAL REDWOO$2.0M0.24%200,000CommonSOLE
G2616F101BCARD. BORAL A$2.0M0.23%200,000CommonSOLE
M22465104CHKPCHECK POIN$1.9M0.22%10,370CommonSOLE
122017106BURLBURLINGTON$1.9M0.22%6,500CommonSOLE
G1828E100CEPFCANTOR EQU$1.8M0.21%174,570CommonSOLE
G0750N104AXINAXIOM INTE$1.8M0.21%175,000CommonSOLE
G6791A100OTGAOTG ACQUIS$1.8M0.20%175,000CommonSOLE
G0509J115AACBARTIUS II$1.6M0.19%160,000CommonSOLE
G20315100ALFCENTURION$1.6M0.19%150,000CommonSOLE
G26745102POLEANDRETTI A$1.6M0.18%150,000CommonSOLE
G6301B101MLACMOUNTAIN L$1.6M0.18%149,912CommonSOLE
G0R38G104XRPNARMADA ACQ$1.5M0.18%150,000CommonSOLE
231021106CMICUMMINS IN$1.5M0.18%3,000CommonSOLE
G82745103SOULSOULPOWER$1.5M0.18%150,000CommonSOLE
G3730U107FCRSFUTURECRES$1.5M0.18%150,000CommonSOLE
G7309T102PAIIPYROPHYTE$1.5M0.18%150,000CommonSOLE
G3106Q102EVACEQV VENTUR$1.5M0.18%150,000CommonSOLE
M87915274TSEMTOWER SEMI$1.5M0.17%12,739CommonSOLE
G1000S109YCYAA MISSION$1.5M0.17%150,000CommonSOLE
G9582G104VACIVIKING ACQ$1.5M0.17%150,000CommonSOLE
934423104WBDWARNER BRO$1.4M0.17%50,000CommonSOLE
G0232F109ALCYFALCHEMY IN$1.4M0.17%100,248CommonSOLE
00108J109ACMRACM RESH I$1.4M0.17%35,958CommonSOLE
876030107TPRTAPESTRY I$1.3M0.15%10,000CommonSOLE
G2086N105CHECCHENGHE AC$1.2M0.15%125,000CommonSOLE
G3R25N108LATAGALATA ACQ$1.2M0.15%125,000CommonSOLE
668771116GENVRGEN DIGITA$1.2M0.14%274,523CommonSOLE
256746108DLTRDOLLAR TRE$1.2M0.14%10,000CommonSOLE
G8192J102SPEGSILVER PEG$1.2M0.14%120,000CommonSOLE
136635109CSIQCANADIAN S$1.1M0.13%47,962CommonSOLE
55024U109LITELUMENTUM H$1.1M0.13%3,083CommonSOLE
G4375F108HYACHAYMAKER A$1.1M0.13%100,248CommonSOLE
G8068L108SNSHARKNINJA$1.1M0.13%10,020CommonSOLE
931142103WMTWALMART IN$1.1M0.13%10,000CommonSOLE
G5451A103LEGTLEGATO MER$1.1M0.13%100,000CommonSOLE
G01558108ALDFALDEL FINL$1.1M0.12%100,000CommonSOLE
G7633M104DRDBROMAN DBDR$1.0M0.12%100,000CommonSOLE
G4992A110JACSJACKSON AC$1.0M0.12%100,000CommonSOLE
G75751100RACRITHM ACQU$1.0M0.12%100,000CommonSOLE
G24243100COPLCOPLEY ACQ$1.0M0.12%100,000CommonSOLE
G1828A108CAEPCANTOR EQU$1.0M0.12%100,000CommonSOLE
G6757R105ONCH1RT ACQUIS$1.0M0.12%100,000CommonSOLE
G6993G103PELICAN AC$1.0M0.12%100,000CommonSOLE
G8193F109SZZLSIZZLE ACQ$1.0M0.12%100,000CommonSOLE
G47875102IPCXINFLECTION$1.0M0.12%100,000CommonSOLE
G1051H101TACOBERTO ACQU$1.0M0.12%100,000CommonSOLE
G6861F104OYSEOYSTER ENT$1.0M0.12%100,000CommonSOLE
G9R39C103WENNWEN ACQUIS$1.0M0.12%100,000CommonSOLE
G3473K100FIGXFIGX CAP A$1.0M0.12%100,000CommonSOLE
G0701G109BDCIBTC DEV CO$1.0M0.12%100,000CommonSOLE
G6005T101MKLYMCKINLEY A$997,0000.12%100,000CommonSOLE
46283H202IRHOUIRON HORSE$994,0000.12%100,000CommonSOLE
G04104108APXTAPEX TREAS$989,0000.12%100,000CommonSOLE
78463V107GLDSPDR GOLD$970,9600.11%2,450CommonSOLE
30303M102METAMETA PLATF$931,3870.11%1,411CommonSOLE
651639106NEMNEWMONT CO$925,6100.11%9,270CommonSOLE
G73944103RAAQREAL ASSET$914,0220.11%89,610CommonSOLE
778296103ROSTROSS STORE$900,7000.10%5,000CommonSOLE
695156109PKGPACKAGING$884,7270.10%4,290CommonSOLE
574599106MASMASCO CORP$762,7890.09%12,020CommonSOLE
44332N106HTHTH WORLD GR$760,6570.09%16,167CommonSOLE
G4791J106INACINDIGO ACQ$756,0000.09%75,000CommonSOLE
G8316B100SPKLSPARK I AC$754,5330.09%66,832CommonSOLE
445658107JBHTHUNT J B T$754,0390.09%3,880CommonSOLE
42806J700HTZHERTZ GLOB$752,4500.09%1,194,300PUTSOLE
594972887MSTR 8 PERPSTRATEGY I$751,1180.09%9,500CommonSOLE
78573M104SABRSABRE CORP$749,2240.09%550,900CommonSOLE
78573M104SABRSABRE CORP$705,8150.08%688,600PUTSOLE
15643U104LEUCENTRUS EN$654,2380.08%2,695CommonSOLE
13321L108CCJCAMECO COR$653,0560.08%7,138CommonSOLE
163851108CCCHEMOURS C$619,0800.07%46,900PUTSOLE
G0273J101AEXAAMERICAN E$569,5000.07%50,000CommonSOLE
412822108HOGHARLEY DAV$550,0000.06%250,000PUTSOLE
02376R102AALAMERICAN A$534,2250.06%5,460,000PUTSOLE
81141R100SESEA LTD$510,2800.06%4,000CommonSOLE
16119P108CHTRCHARTER CO$509,7350.06%21,100PUTSOLE
G4124C109GRABGRAB HOLDI$506,4850.06%101,500CommonSOLE
G81354105SBXDSILVERBOX$506,0410.06%47,830CommonSOLE
G0R78B106BCSSBAIN CAP G$504,0000.06%50,000CommonSOLE
H8817H100RIGTRANSOCEAN$460,0000.05%400,000CALLSOLE
345370860FFORD MTR C$447,8000.05%900,000PUTSOLE
227046109CROXCROCS INC$425,2500.05%81,000PUTSOLE
83066P309SKILSKILLSOFT$387,7360.05%41,692CommonSOLE
H8817H100RIGTRANSOCEAN$188,0750.02%483,400PUTSOLE
552953101MGMMGM RESORT$181,4310.02%82,600PUTSOLE
20030N101CMCSACOMCAST CO$172,5000.02%100,000CALLSOLE
65341B106XIFRXPLR INFRA$163,7700.02%20,600PUTSOLE
G2003N121BEAGRBOLD EAGLE$134,0000.02%400,000CommonSOLE
05508R106BGSB & G FOOD$79,5200.01%113,600PUTSOLE
G9009S111BLZRWTRAILBLAZE$68,6800.01%133,333CommonSOLE
00165C302AMCAMC ENTMT$61,9130.01%39,688CommonSOLE
G1331A116BACCRBLUE ACQUI$60,1400.01%200,000CommonSOLE
131428104CLMTCALUMET IN$50,5000.01%175,000PUTSOLE
G3106N117FTWEQV VENTUR$41,1770.00%80,724CommonSOLE
G4412G101HLFHERBALIFE$32,9600.00%82,400PUTSOLE
G8377R119SVACWSPRING VY$31,5000.00%50,000CommonSOLE
85571B105STWDSTARWOOD P$30,1880.00%172,500PUTSOLE
97717P104WTWISDOMTREE$30,0000.00%100,000PUTSOLE
02369M110RMCOWROYALTY MG$28,8410.00%221,686CommonSOLE
337932107FEFIRSTENERG$26,0000.00%26,000PUTSOLE
929042109VNOVORNADO RL$25,1250.00%33,500PUTSOLE
171756117DAICWCID HOLDCO$23,6570.00%282,640CommonSOLE
163072101CAKECHEESECAKE$21,0000.00%20,000PUTSOLE
G9582G112VACIVIKING ACQ$19,5000.00%50,000CommonSOLE
55616P104MMACYS INC$18,8000.00%80,000PUTSOLE
70614W100PTONPELOTON IN$14,0000.00%400,000PUTSOLE
G6005T119MKLYRMCKINLEY A$12,5000.00%100,000CommonSOLE
G4791J114INACRINDIGO ACQ$10,8750.00%75,000CommonSOLE
464287655IWMISHARES TR$10,8000.00%45,000PUTSOLE
87165B103SYFSYNCHRONY$9,3080.00%21,900PUTSOLE
165167735EXEEXPAND ENE$8,4000.00%20,000CALLSOLE
87169M113OPTXWSYNTEC OPT$8,3290.00%32,034CommonSOLE
G7840J118SCAGWSCAGE FUTU$7,9870.00%127,590CommonSOLE
88165K119TVGNWTEVOGEN BI$6,9650.00%181,387CommonSOLE
104932116BNAIWBRAND ENGA$6,8510.00%150,251CommonSOLE
11135F101AVGOBROADCOM I$6,2000.00%40,000CALLSOLE
517834107LVSLAS VEGAS$5,9310.00%37,200PUTSOLE
G66721104NCLHNORWEGIAN$5,6640.00%188,800PUTSOLE
68268W103OMFONEMAIN HL$5,6400.00%34,400PUTSOLE
456948116MSAIWMULTISENSO$5,5750.00%142,585CommonSOLE
09973D113BRLSWBOREALIS F$3,8310.00%70,030CommonSOLE
92552V100VSATVIASAT INC$3,6650.00%73,300PUTSOLE
25402D102DOCNDIGITALOCE$3,0000.00%15,000PUTSOLE
58463J304MPTMEDICAL PP$1,9820.00%396,500PUTSOLE
09769B115BSLKWBOLT PROJS$1,8630.00%110,914CommonSOLE
00751Y106AAPADVANCE AU$1,2600.00%12,000PUTSOLE
55955D100MGNIMAGNITE IN$8000.00%32,000CALLSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.