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

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13F filer, CIK 1132716, CHICAGO, IL

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) reported $3,490,360,375 across 510 holdings for the quarter ended 2024-03-31, in a 13F-HR filed 2024-05-15. Its ten largest share positions make up 57.21% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001132716-24-000022

Period
2024-03-31
Reported value
$3.49B
Holdings
510
Top 10 weight
57.21%
New
148
Sold out
141

Largest buys vs the previous quarter

SecurityShares changeApprox. value
JUNIPER NETWORKS INCnew+4,428,704$164M
AXONICS INCadded+1,897,614$131M
ANSYS INCnew+352,899$123M
CATALENT INC USD 0.01new+1,723,772$97.3M
HESS CORPadded+619,498$94.6M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
SPLUNK INCexited-3,680,525-$561M
SPIRIT RLTY CAP INC NEW NPVexited-2,739,448-$120M
IMMUNOGEN INCexited-1,915,452-$56.8M
CPRIexited-928,099-$46.6M
PIONEER NATURAL RESOURCES COreduced-145,164-$38.1M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Back to all 408 share positions

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
AALAMERICAN AIRLINES GROUP INC Stockput9,376,000$3.79M-9,291,200
LUCID GROUP INCLUCID GROUP INC COMput730,000$2.26M-20,000
RIGTRANSOCEAN LTD Stockput828,400$1.71M+403,400
PTONPELOTON INTERACTIVE INC CL A COMput725,000$1.1M-312,500
COTYCOTY INC COM CL Aput1,364,500$639K-53,500
ANNXANNEXON INC COMcall418,500$532Knew
LYVLIVE NATION ENTERTAINMENT IN Stockput237,900$409K+8,400
NCLHNORWEGIAN CRUISE LINE HLDGS Stockput233,800$396K+178,700
VKTXVIKING THERAPEUTICS INC COMcall50,000$388Knew
HLFHERBALIFE LTD COM SHSput82,400$358Knew
Tourmaline Bio IncTourmaline Bio Inc Common Stockput20,000$345Knew
SRPTSAREPTA THERAPEUTICS INC COMcall35,000$318Knew
FFORD MTR CO Stockput570,900$313K-170,000
XRXXEROX HOLDINGS CORP COM NEWput294,800$296K+46,000
XBISPDR SERIES TRUST S&P BIOTECHcall300,000$287K+125,000
CCLCARNIVAL CORP Stockput771,500$281K-250,000
CHTRCHARTER COMMUNICATIONS INC COMput3,400$260Knew
CYHCOMMUNITY HEALTH SYS INC NEW COMMON STOCKcall525,000$253Knew
HTZHERTZ GLOBAL HLDGS INC COM NEWput181,900$252Knew
CRSPCRISPR THERAPEUTICS AG Stockput20,000$242Knew
PRAXPRAXIS PRECISION MEDICINES I COM NEWcall27,100$238Knew
XBISPDR SERIES TRUST S&P BIOTECHput90,000$232Knew
AAPLAPPLE INC COMput50,000$220Knew
AMCXAMC GLOBAL MEDIA INC CL Aput50,000$215Knew
IWMISHARES TR SHScall30,000$205K0
HYGISHARES TR IBOXX HI YD ETFput1,300,000$188Knew
OMFONEMAIN HLDGS INC Stockput30,500$187K+10,400
CPRICAPRI HOLDINGS LIMITED SHSput12,600$182K-1,300
NBRNABORS INDUSTRIES LTD SHSput19,100$173Knew
TSLATESLA INC COMput50,000$170Knew
AAPLAPPLE INC COMcall50,000$169Knew
XLVSELECT SECTOR SPDR TR SHScall80,000$161Knew
KRYSKRYSTAL BIOTECH INC Stockcall12,000$133Knew
TVGRUPO TELEVISA S A B SPON ADR REP ORDcall73,500$132K0
BGSB & G FOODS INC COMput117,500$132K-107,500
BCYCBICYCLE THERAPEUTICS PLC SPONSORED ADScall70,000$130K-55,000
NVCRNOVOCURE LTD ORD SHScall100,000$120Knew
MGMMGM RESORTS INTERNATIONAL COMput75,000$118K+40,000
BHVNBIOHAVEN LTD COMcall23,000$110Knew
STWDSTARWOOD PPTY TR INC REITput65,600$104K-35,600
MMACYS INC Stockcall150,000$103Knew
VERAVERA THERAPEUTICS INC COMMON STOCKcall20,000$97Knew
LVSLAS VEGAS SANDS CORP Stockput21,800$93.2Knew
VERAVERA THERAPEUTICS INC COMMON STOCKput20,000$83Knew
EXPEEXPEDIA GROUP INC Stockput13,000$82.2K+2,000
MRNAMODERNA INC COMcall20,000$68.5K+8,000
MARMARRIOTT INTL INC NEW Stockput16,000$63.2Knew
RAPT THERAPEUTICS INCRAPT THERAPEUTICS INC COMcall25,000$63.1Knew
MATMATTEL INC COMcall172,500$62.2K0
RAREULTRAGENYX PHARMACEUTICAL IN COMcall10,700$61K+700
MMACYS INC Stockput60,000$60K-71,000
MERUS N VMERUS N V COMcall20,000$53Knew
NVONOVO-NORDISK A S ADRcall45,000$51.8Knew
HOGHARLEY DAVIDSON INC Stockput100,000$50K-150,000
ORICORIC PHARMACEUTICALS INC COMcall80,000$50Knew
MERUS N VMERUS N V COMput20,000$50Knew
SNDXSYNDAX PHARMACEUTICALS INC COMcall77,400$44.9K+2,400
PTCTPTC THERAPEUTICS INC COMcall20,000$44.5K-30,000
HLTHILTON WORLDWIDE HLDGS INC Stockput15,500$44.2K+1,500
AMANTERO MIDSTREAM CORP Stockput95,800$43.1Knew
XIFRXPLR INFRASTRUCTURE LP COM UNIT PART INput27,100$39.3K-62,900
TREELENDINGTREE INC COMput50,000$38.8Knew
OFIXORTHOFIX MED INC COMcall50,000$37.5Knew
KARYOPHARM THERAPEUTICS INCKARYOPHARM THERAPEUTICS INC COMcall325,800$33.9K+25,800
BIIBBIOGEN INC Stockcall18,000$33.3K+8,000
DNLIDENALI THERAPEUTICS INC Stockcall50,000$30Knew
MIRMMIRUM PHARMACEUTICALS INC COMcall25,000$26.9Knew
VSTVISTRA CORP Stockput27,900$26.5Knew
RDNRADIAN GROUP INC Stockput59,000$22.8K+9,000
IOVAIOVANCE BIOTHERAPEUTICS INC COMcall40,000$20K-290,000
LEGNLEGEND BIOTECH CORP SPONSORED ADScall30,000$18.5K+17,500
TGTXTG THERAPEUTICS INC Stockcall120,000$18K+70,000
HASIHA SUSTAINABLE INFRA CAP INC COMput100,000$17.5Knew
HHYATT HOTELS CORP Stockput16,000$16.4K+4,000
TPCTUTOR PERINI CORP COMput93,700$16.4Knew
AGIOAGIOS PHARMACEUTICALS INC COMcall40,000$16Knew
NAVINAVIENT CORPORATION Stockput16,500$14.4K-21,000
ASTRIA THERAPEUTICS INCASTRIA THERAPEUTICS INC Stockput90,000$13.5Knew
WDCWESTERN DIGITAL CORP COMput14,500$12.1K0
PETIQ INCPETIQ INC COMMON STOCKput50,000$11.2Knew
UBERUBER TECHNOLOGIES INC COMput170,000$10.9K0
CRSPCRISPR THERAPEUTICS AG Stockcall16,000$10.8K+1,000
OCULOCULAR THERAPEUTIX INC COMcall50,000$8.75Knew
BMRNBIOMARIN PHARMACEUTICAL INC COMcall25,000$6.25K-18,000
NTLAINTELLIA THERAPEUTICS INC COMcall25,000$5.25Knew
INCYINCYTE CORP Stockcall40,000$5Knew
BABOEING CO COMcall20,000$2.6Knew
LRMRLARIMAR THERAPEUTICS INC COMcall40,000$2Knew
IONSIONIS PHARMACEUTICALS INC Stockcall20,000$1.2Knew

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
SPIRIT AIRLS INCSPIRIT AIRLS INC NOTE 1.000% 5/1principal77,636,000$37.3M-10,000,000
PELOTON INTERACTIVE INCPELOTON INTERACTIVE INC NOTE 2/1principal42,500,000$36.1M0
REVANCE THERAPEUTICS INCREVANCE THERAPEUTICS INC BONDprincipal40,000,000$29.5M+8,500,000
ACORDA THERAPEUTICS INCACORDA THERAPEUTICS INC NOTE 6.000%12/0principal30,000,000$19.8M0
BANDWIDTH INCBANDWIDTH INC NOTE 0.500% 4/0principal26,500,000$19.1M-6,500,000
TRAVERE THERAPEUTICS INCTRAVERE THERAPEUTICS INC CNVprincipal25,500,000$16.4M+3,000,000
FUBOTV INCFUBOTV INC NOTE 3.250% 2/1principal25,000,000$16M0
PETIQ INCPETIQ INC NOTE 4.000% 6/0principal15,000,000$14.9M0
BEYOND MEAT INCBEYOND MEAT INC NOTE 3/1principal40,000,000$9.6M-700,000
SPOTIFY USA INCSPOTIFY USA INC NOTE 3/1principal10,000,000$9.19M0
LENDINGTREE INCLENDINGTREE INC NOTE 0.500% 7/1principal7,500,000$6.99M-6,000,000
PROTALIX BPROTALIX B NOTE7principal4,000,000$4M0
DRAFTKINGS INC NEWDRAFTKINGS INC NEW CNVprincipal2,000,000$1.7M0

Sold out in Q1 2024

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
SPLUNK INCSPLUNK INC3,680,525$561Mshares
SPIRIT RLTY CAP INC NEW NPVSPIRIT RLTY CAP INC NEW NPV2,739,448$120Mshares
IMMUNOGEN INCIMMUNOGEN INC1,915,452$56.8Mshares
CPRICAPRI HOLDINGS LIMITED928,099$46.6Mshares
KARUNA THERAPEUTICS INCKARUNA THERAPEUTICS INC106,800$33.8Mshares
DISH NETWORK CORPORATIONDISH NETWORK CORPORATION40,000,000$24.9Mprincipal
GORES HOLDINGS IX INCGORES HOLDINGS IX INC1,563,175$16.4Mshares
UNPUNION PAC CORP51,585$12.7Mshares
VMCVULCAN MATLS CO45,410$10.3Mshares
PPGPPG INDS INC56,100$8.39Mshares
MEOHMETHANEX CORP139,400$6.6Mshares
BKNGBOOKING HOLDINGS INC1,850$6.56Mshares
NIKOLA CORPNIKOLA CORP5,000,000$5.97Mprincipal
CCJCAMECO CORP137,300$5.92Mshares
BLDRBUILDERS FIRSTSOURCE INC33,850$5.65Mshares
RPT REALTYRPT REALTY435,991$5.59Mshares
SPLUNK INCSPLUNK INC5,719,000$5.4Mprincipal
WLKWESTLAKE CORPORATION35,700$5Mshares
SMARTSHEET INC. (CLASS A)SMARTSHEET INC. (CLASS A)100,080$4.79Mshares
OREALTY INCOME CORP73,710$4.23Mshares
LUVSOUTHWEST AIRLS CO140,500$4.06Mshares
CARRCARRIER GLOBAL CORPORATION69,300$3.98Mshares
POOLPOOL CORP8,900$3.55Mshares
ANSCUAGRICULTURE & NAT SOL ACQ CO344,955$3.5Mshares
ROSS ACQUISITION CORP IIROSS ACQUISITION CORP II318,046$3.46Mshares
CHENGHE ACQUISITION COCHENGHE ACQUISITION CO307,065$3.38Mshares
UPSUNITED PARCEL SVCS INC19,900$3.13Mshares
VIZIO HOLDING CORPVIZIO HOLDING CORP397,500$3.06Mshares
FOCUS IMPACT ACQUISITION CORFOCUS IMPACT ACQUISITION COR255,100$2.79Mshares
NUBIA BRAND INTERNATIONAL CONUBIA BRAND INTERNATIONAL CO356,067$2.74Mshares
PLMJFPLUM ACQUISITION CORP. III CLA255,100$2.73Mshares
CF ACQUISITION CORP VIICF ACQUISITION CORP VII250,108$2.71Mshares
COLDAMERICOLD REALTY TRUST INC76,325$2.31Mshares
MNDYMONDAY COM LTD12,000$2.25Mshares
DOCUDOCUSIGN INC35,000$2.08Mshares
FUSION PHARMACEUTICALS INCFUSION PHARMACEUTICALS INC213,107$2.05Mshares
ODFLOLD DOMINION FREIGHT LINE IN4,900$1.99Mshares
PLDPROLOGIS INC.14,848$1.98Mshares
GEHCGE HEALTHCARE TECHNOLOGIES I25,203$1.95Mshares
CSCOCISCO SYS INC36,506$1.84Mshares
CONSTELLATION ACQUISITN CORPCONSTELLATION ACQUISITN CORP160,688$1.78Mshares
SIZZLE ACQUISITION CORPSIZZLE ACQUISITION CORP159,437$1.76Mshares
HIWHIGHWOODS PPTYS INC75,224$1.73Mshares
TG VENTURE ACQUISITION CORPTG VENTURE ACQUISITION CORP156,317$1.7Mshares
ONONON HLDG AG60,000$1.62Mshares
DASHDOORDASH INC15,000$1.48Mshares
ROKROCKWELL AUTOMATION INC4,500$1.4Mshares
HCM ACQUISITION COHCM ACQUISITION CO125,054$1.4Mshares
WELLWELLTOWER INC15,117$1.36Mshares
AGENUS INCAGENUS INC1,628,394$1.35Mshares
PHMPULTE GROUP INC12,918$1.33Mshares
OPRAOPERA LTD90,000$1.19Mshares
ALCHEMY INVTS ACQUISITN CORPALCHEMY INVTS ACQUISITN CORP103,486$1.09Mshares
DISH NETWORK CORPORATIONDISH NETWORK CORPORATION126,400$1.08Mput
PEVERPURE INC30,000$1.07Mshares
CEGCONSTELLATION ENERGY CORP9,000$1.05Mshares
CRWDCROWDSTRIKE HLDGS INC4,100$1.05Mshares
AKTSQAkoustis Technologies Inc1,180,000$984Kshares
JDJD.COM INC32,500$939Kshares
SPIRIT AIRLS INCSPIRIT AIRLS INC300,000$885Kput
METAMETA PLATFORMS INC2,500$885Kshares
IOVAIOVANCE BIOTHERAPEUTICS INC104,059$846Kshares
NETCLOUDFLARE INC10,000$833Kshares
DXCMDEXCOM INC6,172$766Kshares
UDRUDR INC19,236$737Kshares
FCPTFOUR CORNERS PPTY TR INC28,844$730Kshares
SPKLUSPARK I ACQUISITION CORP68,991$702Kshares
ABNBAIRBNB INC5,000$681Kshares
PSAPUBLIC STORAGE2,225$679Kshares
TWOTWO HARBORS INVENTMENT CORPO45,629$636Kshares
ABTABBOTT LABORATORIES5,769$635Kshares
INTUINTUIT1,000$625Kshares
BBIOBRIDGEBIO PHARMA INC14,318$578Kshares
NXPINXP SEMICONDUCTORS N V2,500$574Kshares
WDAYWORKDAY INC2,000$552Kshares
AGNCAGNC INVT CORP55,841$548Kshares
VTRVENTAS INC10,400$518Kshares
UUNITY SOFTWARE INC12,500$511Kshares
PHVSPHARVARIS N V18,000$505Kshares
SPIRIT AIRLS INCSPIRIT AIRLS INC30,000$492Kshares
KVUEKENVUE INC22,336$481Kshares
CRLCHARLES RIV LABS INTL INC2,034$481Kshares
ESSESSEX PPTY TR INC1,900$471Kshares
IQVIQVIA HLDGS INC2,030$470Kshares
BNTXBIONTECH SE4,363$460Kshares
AVBAVALONBAY CMNTYS INC2,435$456Kshares
GDXVANECK ETF TRUST400,000$452Kcall
ATRCATRICURE INC12,199$435Kshares
LUCID GROUP INCLUCID GROUP INC100,000$421Kshares
VKTXVIKING THERAPEUTICS INC22,141$412Kshares
MARAMARA HOLDINGS INC16,749$393Kshares
CYTKCYTOKINETICS INC10,000$387Kcall
IMCRIMMUNOCORE HLDGS PLC25,000$340Kcall
DECIPHERA PHARMACEUTICALS INDECIPHERA PHARMACEUTICALS IN120,000$290Kcall
FAFFIRST AMERN FINL CORP4,169$269Kshares
SCREAMING EAGLE ACQUISITN COSCREAMING EAGLE ACQUISITN CO573,164$262Kshares
QQQINVESCO QQQ TR90,000$252Kput
GLUEMONTE ROSA THERAPEUTICS INC44,247$250Kshares
ALKSALKERMES PLC8,794$244Kshares
HLNHALEON PLC21,500$177Kshares
AFFIMED N VAFFIMED N V254,943$159Kshares
ARGXARGENX SE12,000$135Kcall
APLSAPELLIS PHARMACEUTICALS INC25,000$119Kcall
KVUEKENVUE INC130,000$116Kcall
ADTADT INC DEL35,600$116Kput
SPRINGWORKS THERAPEUTICS INCSPRINGWORKS THERAPEUTICS INC30,000$99Kcall
PRECISION BIOSCIENCES INCPRECISION BIOSCIENCES INC238,105$86.9Kshares
NBIXNEUROCRINE BIOSCIENCES INC10,000$85Kcall
BLUEPRINT MEDICINES CORPBLUEPRINT MEDICINES CORP10,000$72Kcall
INSMINSMED INC30,000$71.2Kcall
SPYSTATE STR SPDR S&P 500 ETF T277,500$68Kput
CRNXCRINETICS PHARMACEUTICALS IN30,000$67.5Kcall
ROIVROIVANT SCIENCES LTD100,000$62.5Kcall
THESEUS PHARMACEUTICALS INCTHESEUS PHARMACEUTICALS INC12,517$50.7Kshares
CZRCAESARS ENTERTAINMENT INC NE15,000$44.2Kput
ARDXARDELYX INC150,000$37.5Kcall
UALUNITED AIRLS HLDGS INC333,900$30.5Kput
XLFSELECT SECTOR SPDR TR450,000$24.8Kput
SK GROWTH OPPORTUNITIES CORPSK GROWTH OPPORTUNITIES CORP420,833$23.4Kshares
RCUSARCUS BIOSCIENCES INC35,000$22.8Kcall
QUREUNIQURE NV90,600$22.5Kcall
REVANCE THERAPEUTICS INCREVANCE THERAPEUTICS INC55,000$22.1Kcall
ABBVABBVIE INC10,000$21.6Kcall
VTYXVENTYX BIOSCIENCES INC50,000$18.8Kcall
CYMABAY THERAPEUTICS INCCYMABAY THERAPEUTICS INC50,000$18.8Kput
RYTMRHYTHM PHARMACEUTICALS INC25,000$16.9Kput
BIPBROOKFIELD INFRASTRUCTURE PA167,500$16.8Kput
FUBOFUBOTV INC100,000$11.5Kcall
DISH NETWORK CORPORATIONDISH NETWORK CORPORATION100,000$10.5Kcall
ISRGINTUITIVE SURGICAL INC11,000$9.07Kput
DALDELTA AIR LINES INC27,900$8.27Kput
SEMPER PARATUS ACQUISITION CSEMPER PARATUS ACQUISITION C185,416$6.49Kshares
ALTITUDE ACQUISITION CORPALTITUDE ACQUISITION CORP231,102$6.22Kshares
CVNACARVANA CO1,000,000$5Kput
SOCIAL LEVERAGE ACQUISN CORPSOCIAL LEVERAGE ACQUISN CORP128,141$4.32Kshares
ROIVROIVANT SCIENCES LTD50,000$3.75Kput
Constellation Acquisition C…Constellation Acquisition Corp I139,600$2.97Kshares
VICIVICI PPTYS INC32,100$2.41Kput
MIRATI THERAPEUTICS INCMIRATI THERAPEUTICS INC25,000$1.88Kcall
FRONTIER INVESTMENT CORPFRONTIER INVESTMENT CORP32,524$1.17Kshares
DKNGDRAFTKINGS INC NEW82,500$412put

How Q1 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001132716-24-000022 base2024-05-15acceptance time not in the bulk data set
13F-HR/A 0001132716-24-000031 addednew holdings2024-08-14acceptance time not in the bulk data set
13F-HR/A 0001132716-24-000039 addednew holdings2024-11-14acceptance time not in the bulk data set
13F-HR/A 0001132716-25-000007 addednew holdings2025-02-14acceptance time not in the bulk data set
13F-HR/A 0001132716-25-000014 addednew holdings2025-05-15acceptance time not in the bulk data set