UBS OCONNOR LLC

AUM: $14.94 B
13-F Portfolio Value: $1.39 B
Last 13-F Filed: Q4 2023
Concentration in top 10: 26.8%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
SRCSPIRIT RLT8.61%2,739,448$119,686,4832,739,448New$43.6913F
SAVESPIRIT AIR (PRN)4.41%87,636,000$61,336,551-3,864,000-4.22%$0.713F
PTONPELOTON IN (PRN)2.38%42,500,000$33,043,750No Change$0.7813F
RYAAYRYANAIR HO2.08%217,335$28,983,796-23,698-9.83%$133.3613F
DISHDISH NETWO (PRN)1.79%40,000,000$24,885,000No Change$0.6213F
RVNCREVANCE TH (PRN)1.73%31,500,000$24,027,82411,500,00057.5%$0.7613F
ACORACORDA THE (PRN)1.55%30,000,000$21,600,000No Change$0.7213F
BANDBANDWIDTH (PRN)1.51%33,000,000$20,955,000-2,000,000-5.71%$0.6413F
NPABNEW PROVID1.42%1,857,465$19,809,864No Change$10.6613F
FUBOFUBOTV INC (PRN)1.32%25,000,000$18,312,500No Change$0.7313F
MATMATTEL INC1.32%969,029$18,295,26850,0005.44%$18.8813F
SCRMSCREAMING1.31%1,719,492$18,226,615-772,879-31.01%$10.613F
GHIXGORES HOLD1.18%1,563,175$16,413,338-702,617-31.01%$10.513F
ALVAUTOLIV IN1.15%145,225$16,002,34362,40075.34%$110.1913F
OXYOCCIDENTAL1.08%251,606$15,023,394180,300252.85%$59.7113F
PETQPETIQ INC (PRN)1.08%15,000,000$15,069,916-5,000,000-25%$113F
TVTXTRAVERE TH (PRN)1.08%22,500,000$14,965,320-2,500,000-10%$0.6713F
QRVOQORVO INC1.01%125,000$14,076,2506,8455.79%$112.6113F
FCXFREEPORT-M0.94%306,393$13,043,150183,400149.11%$42.5713F
UNPUNION PAC0.91%51,585$12,670,30812,30031.31%$245.6213F
BIDUBAIDU INC0.9%105,000$12,504,45020,00023.53%$119.0913F
NSCNORFOLK SO0.83%48,900$11,558,98248,900New$236.3813F
OXYWSOCCIDENTAL0.82%300,000$11,353,500-700,000-70%$37.8513F
TREELENDINGTRE (PRN)0.8%13,500,000$11,171,250-16,500,000-55%$0.8313F
GEGENERAL EL0.75%82,200$10,491,18682,200New$127.6313F
IRINGERSOLL0.74%132,518$10,248,942-90,300-40.53%$77.3413F
VMCVULCAN MAT0.74%45,410$10,308,5244,70011.55%$227.0113F
MSFTMICROSOFT0.68%25,133$9,451,01311,50084.35%$376.0413F
BMBLBUMBLE INC0.66%625,000$9,212,50065,00011.61%$14.7413F
NVDANVIDIA COR0.64%17,971$8,899,599-9,800-35.29%$495.2213F
SPOTSPOTIFY US (PRN)0.63%10,000,000$8,725,000No Change$0.8713F
BALLBALL CORP0.61%147,340$8,474,997-44,800-23.32%$57.5213F
PPGPPG INDS I0.6%56,100$8,389,75556,100New$149.5513F
PNRPENTAIR PL0.58%111,600$8,114,436111,600New$72.7113F
AALAMERICAN A (Put)0.56%18,667,200$7,797,0983,120,00020.07%$0.4213F
BYNDBEYOND MEA (PRN)0.55%40,700,000$7,684,160No Change$0.1913F
MUMICRON TEC0.55%90,000$7,680,60090,000New$85.3413F
OKTAOKTA INC0.55%85,000$7,695,050-17,500-17.07%$90.5313F
ECLECOLAB INC0.52%36,500$7,239,775-3,100-7.83%$198.3513F
WCNWASTE CONN0.52%48,355$7,217,95148,355New$149.2713F
AVGOBROADCOM I0.49%6,083$6,790,149-1,640-21.24%$1116.2513F
TCOMTRIP COM G0.49%190,000$6,841,900140,000280%$36.0113F
ESTCELASTIC N0.49%60,000$6,762,000-62,500-51.02%$112.713F
CVIICHURCHILL0.48%635,761$6,675,490-285,762-31.01%$10.513F
SKGRSK GROWTH0.48%614,130$6,638,745-276,037-31.01%$10.8113F
BKNGBOOKING HO0.47%1,850$6,562,3571,850New$3547.2213F
MEOHMETHANEX C0.47%139,400$6,601,984-12,000-7.93%$47.3613F
NVRNVR INC0.47%938$6,566,422-1,703-64.48%$7000.4513F
HUBBHUBBELL IN0.46%19,500$6,414,135-800-3.94%$328.9313F
AMZNAMAZON COM0.45%41,526$6,309,460-81,000-66.11%$151.9413F
GDXVANECK ETF0.45%200,000$6,202,000150,000300%$31.0113F
BEKEKE HLDGS I0.44%377,242$6,115,093No Change$16.2113F
REXRREXFORD IN0.44%108,689$6,097,453-246,547-69.4%$56.113F
SNYSANOFI0.44%123,423$6,137,82616,49215.42%$49.7313F
CCJCAMECO COR0.43%137,300$5,917,630103,800309.85%$43.113F
NKLANIKOLA COR (PRN)0.43%5,000,000$5,970,0005,000,000New$1.1913F
NVTNVENT ELEC0.43%101,570$6,001,771-31,900-23.9%$59.0913F
BLDRBUILDERS F0.41%33,850$5,650,91933,850New$166.9413F
ONON SEMICON0.41%68,000$5,680,040-47,111-40.93%$83.5313F
TECKTECK RESOU0.4%132,400$5,596,548132,400New$42.2713F
SPLKSPLUNK INC (PRN)0.39%5,719,000$5,398,736-281,000-4.68%$0.9413F
ZMZOOM VIDEO0.39%75,000$5,393,25065,000650%$71.9113F
ADCAGREE RLTY0.38%84,392$5,312,476-115,524-57.79%$62.9513F
CFLTCONFLUENT0.38%225,000$5,265,000-100,000-30.77%$23.413F
ZGZILLOW GRO0.38%93,500$5,303,32093,500New$56.7213F
AZEKAZEK CO IN0.37%134,200$5,133,15058,40077.04%$38.2513F
BAXBAXTER INT0.37%132,133$5,108,262132,133New$38.6613F
APHAMPHENOL C0.36%50,650$5,020,934-13,300-20.8%$99.1313F
SBACSBA COMMUN0.36%19,771$5,015,705-48,032-70.84%$253.6913F
WLKWESTLAKE C0.36%35,700$4,996,57235,700New$139.9613F
RRACRIGEL RESO0.36%462,203$5,065,745No Change$10.9613F
PLXPROTALIX B (PRN)0.34%4,000,000$4,760,000No Change$1.1913F
SMARSMARTSHEET0.34%100,080$4,785,826-12,420-11.04%$47.8213F
NCLHNORWEGIAN0.34%238,031$4,770,141No Change$20.0413F
DALDELTA AIR0.33%112,391$4,521,490No Change$40.2313F
NNNNNN REIT I0.33%105,922$4,565,238-181,978-63.21%$43.113F
RHPRYMAN HOSP0.33%42,127$4,636,498-38,763-47.92%$110.0613F
EVLVEVOLV TECH0.32%956,623$4,515,261-429,988-31.01%$4.7213F
IPINTERNATIO0.32%123,300$4,457,295123,300New$36.1513F
COPCONOCOPHIL0.3%35,545$4,125,708No Change$116.0713F
OREALTY INC0.3%73,710$4,232,428-111,693-60.24%$57.4213F
WIXWIX COM LT0.3%33,400$4,108,86833,400New$123.0213F
CARRCARRIER GL0.29%69,300$3,981,28569,300New$57.4513F
LUVSOUTHWEST0.29%140,500$4,057,640140,500New$28.8813F
RENECARTESIAN0.29%368,478$4,038,519-165,622-31.01%$10.9613F
ARVNARVINAS IN0.27%91,132$3,750,993-19,050-17.29%$41.1613F
TRNOTERRENO RL0.27%59,381$3,721,407-105,446-63.97%$62.6713F
PATHUIPATH INC0.27%150,000$3,726,00052,50053.85%$24.8413F
POOLPOOL CORP0.26%8,900$3,548,5198,900New$398.7113F
GAQGENERATION0.26%325,141$3,547,288-194,859-37.47%$10.9113F
AMTAMERICAN T0.25%16,237$3,505,244-61,121-79.01%$215.8813F
AUTLAUTOLUS TH0.25%538,766$3,469,653-47,153-8.05%$6.4413F
ANSCUAGRICULTUR0.25%344,955$3,499,568344,955New$10.1413F
LCWLEARN CW I0.25%318,875$3,447,039-143,328-31.01%$10.8113F
ROSSROSS ACQUI0.25%318,046$3,463,521-142,956-31.01%$10.8913F
PEAKHEALTHPEAK0.24%165,530$3,277,494-203,020-55.09%$19.813F
SBRASABRA HEAL0.24%236,423$3,373,756-375,961-61.39%$14.2713F
CHEACHENGHE AC0.24%307,065$3,377,715-138,018-31.01%$1113F
MRUSMERUS N V0.24%121,300$3,335,750-30,806-20.25%$27.513F
ANNXANNEXON IN0.23%692,928$3,145,893143,68226.16%$4.5413F
ELSEQUITY LIF0.23%44,660$3,150,316-43,944-49.6%$70.5413F
NHINATIONAL H0.23%58,150$3,247,678-99,709-63.16%$55.8513F
UPSUNITED PAR0.23%19,900$3,128,87719,900New$157.2313F
ELMEELME COMMU0.23%223,496$3,263,042-558,172-71.41%$14.613F
AXNXAXONICS IN0.22%48,306$3,006,082-2,370-4.68%$62.2313F
LHXL3HARRIS T0.22%14,600$3,075,05214,600New$210.6213F
PYPLPAYPAL HLD0.22%50,000$3,070,500-102,500-67.21%$61.4113F
CRMSALESFORCE0.22%11,500$3,026,11011,500New$263.1413F
VZIOVIZIO HLDG0.22%397,500$3,060,750347,500695%$7.713F
AMHAMERICAN H0.21%80,258$2,886,078-215,927-72.9%$35.9613F
ELLAUDER EST0.21%20,000$2,925,00020,000New$146.2513F
PANWPALO ALTO0.21%10,000$2,948,8001,50017.65%$294.8813F
TALTAL EDUCAT0.21%226,168$2,856,50215,8517.54%$12.6313F
AXTAAXALTA COA0.21%85,250$2,895,942No Change$33.9713F
AGIOAGIOS PHAR0.2%126,819$2,824,25921,59820.53%$22.2713F
CFFSCF ACQUISI0.2%250,108$2,713,672-112,419-31.01%$10.8513F
EQIXEQUINIX IN0.2%3,493$2,813,2272,993598.6%$805.3913F
FIACFOCUS IMPA0.2%255,100$2,792,070-114,663-31.01%$10.9513F
NUBINUBIA BRAN0.2%356,067$2,741,716No Change$7.713F
SBXCSILVERBOX0.2%273,228$2,825,178-122,808-31.01%$10.3413F
SWTXSPRINGWORK0.2%75,250$2,746,625-17,986-19.29%$36.513F
RAREULTRAGENYX0.2%56,956$2,723,636-19,959-25.95%$47.8213F
APTMALPHA PART0.2%255,100$2,729,570-114,663-31.01%$10.713F
PLAOPATRIA LAT0.2%245,652$2,726,737-110,415-31.01%$11.113F
ACELACCEL ENTE0.19%254,737$2,616,149-115,220-31.14%$10.2713F
NLYANNALY CAP0.19%133,493$2,585,759-216,122-61.82%$19.3713F
COHRCOHERENT C0.19%60,128$2,617,37260,128New$43.5313F
HRHEALTHCARE0.19%151,026$2,602,178-281,968-65.12%$17.2313F
IDYAIDEAYA BIO0.19%74,575$2,653,378-51,574-40.88%$35.5813F
INCYINCYTE COR0.19%41,000$2,574,39016,65168.38%$62.7913F
INFAINFORMATIC0.19%95,000$2,697,05055,000137.5%$28.3913F
NBIXNEUROCRINE0.19%19,796$2,608,321-14,002-41.43%$131.7613F
NFLXNETFLIX IN0.18%5,250$2,556,1205,250New$486.8813F
OHIOMEGA HEAL0.18%79,736$2,444,706-206,570-72.15%$30.6613F
PTGXPROTAGONIS0.18%106,154$2,434,111-30,114-22.1%$22.9313F
ROICRETAIL OPP0.18%174,117$2,442,862146,517530.86%$14.0313F
VRTVERTIV HOL0.18%53,400$2,564,80253,400New$48.0313F
NETDNABORS ENE0.18%241,468$2,512,475-108,532-31.01%$10.4113F
COLDAMERICOLD0.17%76,325$2,310,3581,8152.44%$30.2713F
DHID R HORTON0.17%15,219$2,312,98415,219New$151.9813F
MNTNEVEREST CO0.17%218,844$2,394,153-98,367-31.01%$10.9413F
GTYGETTY RLTY0.17%81,093$2,369,537-113,640-58.36%$29.2213F
MAAMID-AMER A0.17%18,092$2,432,650-39,417-68.54%$134.4613F
ORICORIC PHARM0.17%262,956$2,419,195-88,546-25.19%$9.213F
ABBVABBVIE INC0.16%14,721$2,281,313-3,179-17.76%$154.9713F
AZNASTRAZENEC0.16%32,067$2,159,712-17,475-35.27%$67.3513F
EGPEASTGROUP0.16%12,054$2,212,391-27,181-69.28%$183.5413F
IRTCIRHYTHM TE0.16%20,347$2,177,943-811-3.83%$107.0413F
SRPTSAREPTA TH0.16%23,108$2,228,30423,108New$96.4313F
ROIVROIVANT SC0.16%198,432$2,228,39134,22120.84%$11.2313F
MNDYMONDAY COM0.16%12,000$2,253,72012,000New$187.8113F
GOOGLALPHABET I0.15%15,000$2,095,350-2,500-14.29%$139.6913F
DOCUDOCUSIGN I0.15%35,000$2,080,75035,000New$59.4513F
FUSNFUSION PHA0.15%213,107$2,047,958-61,461-22.38%$9.6113F
SNDXSYNDAX PHA0.15%95,949$2,073,45895,949New$21.6113F
APCAAP ACQUISI0.15%187,581$2,087,777-84,314-31.01%$11.1313F
APXIAPX ACQUIS0.15%187,581$2,097,156-84,314-31.01%$11.1813F
IPXXINFLECTION0.15%206,973$2,138,031-93,027-31.01%$10.3313F
BRKHBURTECH AC0.14%187,581$2,015,558-84,314-31.01%$10.7513F
DCPHDECIPHERA0.14%117,920$1,902,050-35,817-23.3%$16.1313F
GEHCGE HEALTHC0.14%25,203$1,948,696-39,132-60.83%$77.3213F
IMCRIMMUNOCORE0.14%27,641$1,888,433-11,704-29.75%$68.3213F
PODDINSULET CO0.14%9,047$1,963,018-5,353-37.17%$216.9813F
KRCKILROY RLT0.14%48,336$1,925,70648,336New$39.8413F
ODFLOLD DOMINI0.14%4,900$1,986,1174,900New$405.3313F
PLDPROLOGIS I0.14%14,848$1,979,238-37,697-71.74%$133.313F
TMCITREACE MED0.14%154,913$1,975,141-18,091-10.46%$12.7513F
VSACVISION SEN0.14%175,381$1,938,837-78,831-31.01%$11.0613F
SLAMSLAM CORP0.14%182,628$1,979,688-82,344-31.08%$10.8413F
ANABANAPTYSBIO0.13%87,124$1,866,196-37,339-30%$21.4213F
CDLXCARDLYTICS0.13%200,000$1,842,000200,000New$9.2113F
CSCOCISCO SYS0.13%36,506$1,844,283No Change$50.5213F
DSAQDIRECT SEL0.13%160,685$1,749,860-72,226-31.01%$10.8913F
INSMINSMED INC0.13%56,727$1,757,970-2,565-4.33%$30.9913F
LTCLTC PPTYS0.13%55,297$1,776,140-92,443-62.57%$32.1213F
LCIDLUCID GROU (Put)0.13%750,000$1,848,025No Change$2.4613F
NTESNETEASE IN0.13%18,790$1,750,47618,790New$93.1613F
SZZLSIZZLE ACQ0.13%159,437$1,755,401-71,665-31.01%$11.0113F
CSTACONSTELLAT0.13%160,688$1,775,602-72,679-31.14%$11.0513F
AACTARES ACQUI0.13%170,767$1,782,807-76,755-31.01%$10.4413F
KNSAKINIKSA PH0.13%100,722$1,766,664-5,701-5.36%$17.5413F
MDTMEDTRONIC0.13%22,328$1,839,381-37,468-62.66%$82.3813F
PHYTPYROPHYTE0.13%159,438$1,756,210-95,552-37.47%$11.0213F
RCFARCF ACQUIS0.13%159,438$1,750,629-71,664-31.01%$10.9813F
AOGOAROGO CAPI0.12%156,317$1,681,971-70,262-31.01%$10.7613F
FEXDFINTECH EC0.12%159,438$1,714,756-71,664-31.01%$10.7613F
HIWHIGHWOODS0.12%75,224$1,727,14345,224150.75%$22.9613F
INSPINSPIRE ME0.12%8,485$1,726,104-4,086-32.5%$203.4313F
MLYSMINERALYS0.12%186,168$1,601,045186,168New$8.613F
PDDPDD HOLDIN0.12%11,795$1,725,726-19,169-61.91%$146.3113F
SRRKSCHOLAR RO0.12%85,129$1,600,425-127,452-59.95%$18.813F
SLNSILENCE TH0.12%93,198$1,618,849-5,128-5.22%$17.3713F
STROSUTRO BIOP0.12%378,340$1,623,07948,34014.65%$4.2913F
TGVCTG VENTURE0.12%156,317$1,698,384-70,262-31.01%$10.8613F
VERAVERA THERA0.12%106,972$1,645,229-71,019-39.9%$15.3813F
VICIVICI PPTYS0.12%53,992$1,721,265-168,995-75.79%$31.8813F
CSLMCSLM ACQUI0.12%156,317$1,704,637-70,262-31.01%$10.9113F
IVCBINVESTCORP0.12%156,317$1,722,613-70,262-31.01%$11.0213F
PLMIPLUM ACQUI0.12%159,438$1,735,483-71,664-31.01%$10.8913F
TLGYTLGY ACQUI0.12%156,317$1,735,900-70,262-31.01%$11.113F
ONONON HLDG AG0.12%60,000$1,618,200-235,000-79.66%$26.9713F
ADTADT INC DE0.11%229,607$1,565,920No Change$6.8213F
DASHDOORDASH I0.11%15,000$1,483,35015,000New$98.8913F
ESPRESPERION T0.11%527,123$1,576,098-104,824-16.59%$2.9913F
MTCHMATCH GROU0.11%40,000$1,460,000-10,000-20%$36.513F
MIRMMIRUM PHAR0.11%49,912$1,473,402-11,088-18.18%$29.5213F
OCULOCULAR THE0.11%332,091$1,481,126-10,020-2.93%$4.4613F
FNAPARAGON 280.11%126,645$1,574,197-4,640-3.53%$12.4313F
RAPTRAPT THERA0.11%61,889$1,537,942-31,927-34.03%$24.8513F
RLAYRELAY THER0.11%133,733$1,472,400-13,113-8.93%$11.0113F
XFORX4 PHARMAC0.11%1,743,038$1,462,409183,05211.73%$0.8413F
FNVTFINNOVATE0.11%143,494$1,587,044-64,498-31.01%$11.0613F
AGENAGENUS INC0.1%1,628,394$1,348,310184,31612.76%$0.8313F
ATECALPHATEC H0.1%92,821$1,402,52592,821New$15.1113F
BCYCBICYCLE TH0.1%73,601$1,330,706-4,301-5.52%$18.0813F
DKNGDRAFTKINGS (PRN)0.1%2,000,000$1,453,970No Change$0.7313F
IONSIONIS PHAR0.1%28,624$1,448,088-33,435-53.88%$50.5913F
LRMRLARIMAR TH0.1%319,901$1,455,550-58,604-15.48%$4.5513F
MGMMGM RESORT0.1%32,241$1,440,528-17,259-34.87%$44.6813F
PENPENUMBRA I0.1%5,648$1,420,6984,279312.56%$251.5413F
PHMPULTE GROU0.1%12,918$1,333,39612,918New$103.2213F
ROKROCKWELL A0.1%4,500$1,397,1604,500New$310.4813F
WELLWELLTOWER0.1%15,117$1,363,100-53,366-77.93%$90.1713F
ZYMEZYMEWORKS0.1%136,313$1,416,292-208,159-60.43%$10.3913F
HCMAHCM ACQUIS0.1%125,054$1,396,853-56,209-31.01%$11.1713F
WELINTEGRATED0.1%125,054$1,403,106-56,209-31.01%$11.2213F
ARDXARDELYX IN0.09%204,600$1,268,520-15,400-7%$6.213F
BIIBBIOGEN INC0.09%4,879$1,262,539-17,121-77.82%$258.7713F
EWTXEDGEWISE T0.09%114,685$1,254,654-25,173-18%$10.9413F
NVNOENVVENO ME0.09%236,308$1,214,62310,0004.42%$5.1413F
GLPIGAMING & L0.09%24,133$1,190,964-90,357-78.92%$49.3513F
MRVLMARVELL TE0.09%20,000$1,206,200No Change$60.3113F
MRSNMERSANA TH0.09%555,645$1,289,096259,23187.46%$2.3213F
OPRAOPERA LTD0.09%90,000$1,190,700-35,000-28%$13.2313F
ORCLORACLE COR0.09%11,926$1,257,3587,000142.1%$105.4313F
KIDSORTHOPEDIA0.09%40,314$1,310,608-15,905-28.29%$32.5113F
RIGLRIGEL PHAR0.09%899,335$1,304,036-252,430-21.92%$1.4513F
SPTSPROUT SOC0.09%20,000$1,228,80020,000New$61.4413F
ESTAESTABLISHM0.09%48,445$1,254,2418,54321.41%$25.8913F
NFYSENPHYS ACQ0.09%122,826$1,310,553-55,207-31.01%$10.6713F
BSXBOSTON SCI0.08%19,785$1,143,771-31,607-61.5%$57.8113F
CEGCONSTELLAT0.08%9,000$1,052,0109,000New$116.8913F
CRWDCROWDSTRIK0.08%4,100$1,046,812-13,400-76.57%$255.3213F
DISHDISH NETWO (Put)0.08%126,400$1,076,290No Change$8.5113F
INZYINOZYME PH0.08%244,928$1,043,39389,62357.71%$4.2613F
OFIXORTHOFIX M0.08%80,249$1,081,757-27,783-25.72%$13.4813F
PSTGPURE STORA0.08%30,000$1,069,800-86,963-74.35%$35.6613F
XBISPDR SER T (Call)0.08%175,000$1,083,750100,000133.33%$6.1913F
SDGRSCHRODINGE0.08%30,632$1,096,626-5,068-14.2%$35.813F
TTDTHE TRADE0.08%15,000$1,079,40015,000New$71.9613F