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  • OCONNOR, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS (LLC) (Data extracted from 13F, 13D, 13G and Form 4)

OCONNOR, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS (LLC)

AUM: $0.35 M
13-F Portfolio Value: $3.38 B
Last 13-F Filed: Q4 2025
Concentration in top 10: 70.53%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
CYBRCYBERARK S13.75%1,040,571$464,157,10252,7575.34%$446.0613F
CMACOMERICA I8.53%3,311,960$287,908,6823,311,960New$86.9313F
DAYDAYFORCE I8.39%4,096,708$283,328,3264,096,708New$69.1613F
RNAMAVIDITY BI7.94%3,716,597$268,078,1413,716,597New$72.1313F
FYBRFRONTIER C7.78%6,901,367$262,735,0411,021,59817.37%$38.0713F
ALAIR LEASE5.78%3,039,453$195,224,0672,222,043271.84%$64.2313F
HOLXHOLOGIC IN5.75%2,605,031$194,048,7602,605,031New$74.4913F
EXASEXACT SCIE5.35%1,779,212$180,696,7701,779,212New$101.5613F
CADECADENCE BA3.70%2,916,809$124,956,0982,916,809New$42.8413F
CFLTCONFLUENT3.56%3,970,660$120,072,7593,970,660New$30.2413F
EXASEXACT SCIE (PRN)2.77%90,000,000$93,672,00290,000,000New$1.0413F
KLARKLARNA GRO2.14%2,501,675$72,323,4242,501,675New$28.9113F
CDTXCIDARA THE2.06%315,474$69,685,052315,474New$220.8913F
SEESEALED AIR1.47%1,195,854$49,544,2331,195,854New$41.4313F
SNVSYNOVUS FI1.04%699,181$34,994,009699,181New$50.0513F
AVGOBROADCOM I0.81%78,896$27,305,90670,946892.4%$346.113F
PTONPELOTON IN (PRN)0.80%27,352,000$27,076,446No Change$0.9913F
MATMATTEL INC0.57%973,829$19,320,76730,6003.24%$19.8413F
SNOWSNOWFLAKE (PRN)0.56%12,300,000$19,028,1009,800,000392%$1.5513F
DKNGDRAFTKINGS (PRN)0.54%20,000,000$18,330,000-2,000,000-9.09%$0.9213F
NVDANVIDIA COR0.54%97,116$18,112,134-91,404-48.49%$186.513F
AEPAMERICAN E0.44%130,250$15,019,12888,250210.12%$115.3113F
LNTALLIANT EN0.43%224,205$14,575,567-78,775-26%$65.0113F
CNPCENTERPOIN0.43%381,495$14,626,518-6,170-1.59%$38.3413F
FOLDAMICUS THE0.42%1,000,000$14,240,0001,000,000New$14.2413F
CRHCRH PLC0.41%109,645$13,683,696109,645New$124.813F
PHPARKER-HAN0.40%15,460$13,588,72215,460New$878.9613F
WMWASTE MGMT0.40%61,675$13,550,61461,675New$219.7113F
IWMISHARES TR0.38%52,000$12,800,32052,000New$246.1613F
BABOEING CO0.33%51,535$11,189,27951,535New$217.1213F
CROXCROCS INC0.31%124,000$10,604,480No Change$85.5213F
FEFIRSTENERG (PRN)0.30%10,000,000$10,230,000No Change$1.0213F
TLNTALEN ENER0.29%26,225$9,830,17926,225New$374.8413F
NEENEXTERA EN0.26%109,300$8,774,604109,300New$80.2813F
BTGB2GOLD COR0.25%1,842,462$8,309,504-213,692-10.39%$4.5113F
PANWPALO ALTO0.25%45,000$8,289,00045,000New$184.213F
SOSOUTHERN C (PRN)0.24%7,500,000$8,010,000-10,000,000-57.14%$1.0713F
GOOGLALPHABET I0.23%25,010$7,828,13025,010New$31313F
PLYMPLYMOUTH I0.23%350,677$7,672,814-301,209-46.21%$21.8813F
HIHILLENBRAN0.22%239,227$7,588,281239,227New$31.7213F
KNXKNIGHT-SWI0.21%133,935$7,002,122133,935New$52.2813F
TOSTTOAST INC0.21%200,000$7,102,000120,000150%$35.5113F
JENAJENA ACQUI0.21%700,000$7,119,000No Change$10.1713F
FUTUFUTU HLDGS0.18%36,021$5,915,00836,021New$164.2113F
TSLATESLA INC0.18%13,617$6,123,8371,81715.4%$449.7213F
TELTE CONNECT0.18%26,355$5,996,02626,355New$227.5113F
UALUNITED AIR0.17%50,000$5,591,00050,000New$111.8213F
FLSFLOWSERVE0.15%72,341$5,019,01972,341New$69.3813F
HONHONEYWELL0.15%25,712$5,016,15425,712New$195.0913F
MELIMERCADOLIB0.15%2,500$5,035,650-4,070-61.95%$2014.2613F
SAIASAIA INC0.15%15,840$5,172,07715,840New$326.5213F
EGHAEGH ACQUIS0.15%500,000$5,070,000No Change$10.1413F
LYVLIVE NATIO0.14%34,200$4,873,500-32,800-48.96%$142.513F
CEPVCANTOR EQU0.14%450,000$4,612,500450,000New$10.2513F
GTENGORES HLDG0.14%474,941$4,868,145-75,059-13.65%$10.2513F
BKNGBOOKING HO0.13%800$4,284,264800New$5355.3313F
CEGCONSTELLAT0.13%12,100$4,274,56712,100New$353.2713F
ETRENTERGY CO0.13%48,830$4,513,357-159,500-76.56%$92.4313F
URIUNITED REN0.13%5,400$4,370,328-3,370-38.43%$809.3213F
ANSCAGRICULTUR0.13%384,160$4,291,067No Change$11.1713F
AXTAAXALTA COA0.13%140,600$4,542,78655,35064.93%$32.3113F
DALDELTA AIR0.12%58,731$4,075,931-56,417-49%$69.413F
HWMHOWMET AER0.12%20,000$4,100,400-5,000-20%$205.0213F
LCIDLUCID GROU (Put)0.12%2,777,800$4,142,863-387,300-12.24%$1.4913F
BLZRTRAILBLAZE0.12%400,000$4,004,000400,000New$10.0113F
COHRCOHERENT C0.11%20,257$3,738,8344,32927.18%$184.5713F
INTCINTEL CORP0.11%100,000$3,690,000-28,000-21.88%$36.913F
SNPSSYNOPSYS I0.11%8,000$3,757,760-10,801-57.45%$469.7213F
VRTVERTIV HOL0.11%22,057$3,573,4556573.07%$162.0113F
PDDPDD HOLDIN0.10%31,107$3,527,223-15,694-33.53%$113.3913F
LOKVLIVE OAK A0.10%324,923$3,346,707No Change$10.313F
NHICNEWHOLD IN0.10%324,604$3,362,897-50,396-13.44%$10.3613F
APHAMPHENOL C0.09%22,110$2,987,945-27,890-55.78%$135.1413F
CHRWC H ROBINS0.09%18,170$2,921,009-53,630-74.69%$160.7613F
FSLRFIRST SOLA0.09%11,300$2,951,89911,300New$261.2313F
TKOTKO GROUP0.09%15,000$3,135,0009,000150%$20913F
NCLHNORWEGIAN0.09%135,000$3,013,200No Change$22.3213F
OACCOAKTREE AC0.09%300,000$3,174,000No Change$10.5813F
SVACSPRING VY0.09%300,000$3,045,000300,000New$10.1513F
ACELACCEL ENTE0.08%246,728$2,815,166No Change$11.4113F
PFEPFIZER INC0.08%102,623$2,555,313102,623New$24.913F
AAMAA MISSION0.08%250,000$2,667,500No Change$10.6713F
BLUWBLUE WTR A0.08%250,000$2,580,000No Change$10.3213F
CGCTCARTESIAN0.08%250,000$2,572,500No Change$10.2913F
IPODDUNE ACQUI0.08%250,000$2,547,500No Change$10.1913F
FTWEQV VENTUR0.08%242,175$2,540,416No Change$10.4913F
GPATGP-ACT III0.08%250,000$2,675,000-100,000-28.57%$10.713F
NPACNEW PROVID0.08%250,000$2,565,000No Change$10.2613F
SVCCSTELLAR V0.08%250,000$2,591,250No Change$10.3713F
GEVGE VERNOVA0.07%3,834$2,505,7873,834New$653.5713F
TJXTJX COS IN0.07%15,000$2,304,15015,000New$153.6113F
BEAGBOLD EAGLE0.07%219,217$2,319,316-280,783-56.16%$10.5813F
KOYNCSLM DIGIT0.07%250,000$2,487,500No Change$9.9513F
HVMCHIGHVIEW M0.07%250,000$2,500,000250,000New$1013F
MBVIM3-BRIGADE0.07%250,000$2,502,500250,000New$10.0113F
OBAOXLEY BRID0.07%250,000$2,515,000No Change$10.0613F
PACHPIONEER AC0.07%250,000$2,515,000No Change$10.0613F
RNGTRANGE CAP0.07%225,000$2,245,500225,000New$9.9813F
SOCASOLARIUS C0.07%250,000$2,512,500No Change$10.0513F
TLNCTALON CAP0.07%250,000$2,525,000250,000New$10.113F
TVAITHAYER VEN0.07%250,000$2,530,000No Change$10.1213F
BURLBURLINGTON0.06%6,500$1,877,5256,500New$288.8513F
WABWABTEC0.06%10,000$2,134,50010,000New$213.4513F
ATIIARCHIMEDES0.06%200,000$2,072,000No Change$10.3613F
BACCBLUE ACQUI0.06%200,000$2,042,000No Change$10.2113F
CRAQCAL REDWOO0.06%200,000$2,036,000No Change$10.1813F
CCIXCHURCHILL0.06%199,274$2,118,283-50,726-20.29%$10.6313F
CCIICOHEN CIRC0.06%200,000$2,048,000No Change$10.2413F
BCARD. BORAL A0.06%200,000$2,006,000No Change$10.0313F
GSHRGESHER ACQ0.06%200,000$2,048,000No Change$10.2413F
CHKPCHECK POIN0.06%10,370$1,924,25710,370New$185.5613F
ASMLASML HOLDI0.06%2,000$2,139,7202,000New$1069.8613F
CMICUMMINS IN0.05%3,000$1,531,3503,000New$510.4513F
AACBARTIUS II0.05%160,000$1,648,000No Change$10.313F
AXINAXIOM INTE0.05%175,000$1,762,250No Change$10.0713F
XRPNARMADA ACQ0.05%150,000$1,536,000No Change$10.2413F
CEPFCANTOR EQU0.05%174,570$1,794,580-125,430-41.81%$10.2813F
ALFCENTURION0.05%150,000$1,602,000No Change$10.6813F
POLEANDRETTI A0.05%150,000$1,581,000No Change$10.5413F
MLACMOUNTAIN L0.05%149,912$1,559,085-100,088-40.04%$10.413F
OTGAOTG ACQUIS0.05%175,000$1,750,000175,000New$1013F
SOULSOULPOWER0.05%150,000$1,522,500No Change$10.1513F
ACMRACM RESH I0.04%35,958$1,418,543-43,438-54.71%$39.4513F
DLTRDOLLAR TRE0.04%10,000$1,230,10010,000New$123.0113F
GENVRGEN DIGITA0.04%274,523$1,232,608-23,219-7.8%$4.4913F
TPRTAPESTRY I0.04%10,000$1,277,70010,000New$127.7713F
WBDWARNER BRO0.04%50,000$1,440,999No Change$28.8213F
ALCYALCHEMY IN0.04%100,248$1,424,524No Change$14.2113F
YCYAA MISSION0.04%150,000$1,494,000150,000New$9.9613F
CHECCHENGHE AC0.04%125,000$1,247,500125,000New$9.9813F
EVACEQV VENTUR0.04%150,000$1,504,500No Change$10.0313F
FCRSFUTURECRES0.04%150,000$1,515,000150,000New$10.113F
LATAGALATA ACQ0.04%125,000$1,245,000125,000New$9.9613F
PAIIPYROPHYTE0.04%150,000$1,509,000No Change$10.0613F
SPEGSILVER PEG0.04%120,000$1,210,800No Change$10.0913F
VACIVIKING ACQ0.04%150,000$1,485,000150,000New$9.913F
TSEMTOWER SEMI0.04%12,739$1,495,813-26,305-67.37%$117.4213F
CSIQCANADIAN S0.03%47,962$1,140,05747,962New$23.7713F
METAMETA PLATF0.03%1,411$931,387-6,589-82.36%$660.0913F
IRHOUIRON HORSE0.03%100,000$994,000100,000New$9.9413F
LITELUMENTUM H0.03%3,083$1,136,3633,083New$368.5913F
NEMNEWMONT CO0.03%9,270$925,610-6,730-42.06%$99.8513F
PKGPACKAGING0.03%4,290$884,727-71,450-94.34%$206.2313F
ROSTROSS STORE0.03%5,000$900,700-2,500-33.33%$180.1413F
GLDSPDR GOLD0.03%2,450$970,9602,450New$396.3113F
WMTWALMART IN0.03%10,000$1,114,10010,000New$111.4113F
ALDFALDEL FINL0.03%100,000$1,051,000No Change$10.5113F
APXTAPEX TREAS0.03%100,000$989,000100,000New$9.8913F
BDCIBTC DEV CO0.03%100,000$1,001,500100,000New$10.0213F
TACOBERTO ACQU0.03%100,000$1,014,000No Change$10.1413F
CAEPCANTOR EQU0.03%100,000$1,020,000-49,700-33.2%$10.213F
COPLCOPLEY ACQ0.03%100,000$1,023,000No Change$10.2313F
FIGXFIGX CAP A0.03%100,000$1,006,000No Change$10.0613F
HYACHAYMAKER A0.03%100,248$1,135,810No Change$11.3313F
IPCXINFLECTION0.03%100,000$1,014,000No Change$10.1413F
JACSJACKSON AC0.03%100,000$1,042,000No Change$10.4213F
LEGTLEGATO MER0.03%100,000$1,088,000-93,740-48.38%$10.8813F
MKLYMCKINLEY A0.03%100,000$997,000100,000New$9.9713F
ONCH1RT ACQUIS0.03%100,000$1,020,000No Change$10.213F
OYSEOYSTER ENT0.03%100,000$1,011,000No Change$10.1113F
PELIPELICAN AC0.03%100,000$1,017,000No Change$10.1713F
RAAQREAL ASSET0.03%89,610$914,022-35-0.04%$10.213F
RACRITHM ACQU0.03%100,000$1,039,000No Change$10.3913F
DRDBROMAN DBDR0.03%100,000$1,043,000No Change$10.4313F
SNSHARKNINJA0.03%10,020$1,121,2381,26014.38%$111.913F
SZZLSIZZLE ACQ0.03%100,000$1,016,000No Change$10.1613F
WENNWEN ACQUIS0.03%100,000$1,010,000No Change$10.113F
AALAMERICAN A (Put)0.02%5,460,000$534,225-3,850,000-41.35%$0.113F
CCJCAMECO COR0.02%7,138$653,056-40,027-84.87%$91.4913F
LEUCENTRUS EN0.02%2,695$654,2382,695New$242.7613F
CHTRCHARTER CO (Put)0.02%21,100$509,7356002.93%$24.1613F
CCCHEMOURS C (Put)0.02%46,900$619,080No Change$13.213F
HOGHARLEY DAV (Put)0.02%250,000$550,000-125,000-33.33%$2.213F
HTZHERTZ GLOB (Put)0.02%1,194,300$752,450No Change$0.6313F
HTHTH WORLD GR0.02%16,167$760,657-16,789-50.94%$47.0513F
JBHTHUNT J B T0.02%3,880$754,0393,880New$194.3413F
MASMASCO CORP0.02%12,020$762,7896,970138.02%$63.4613F
STRKSTRATEGY I0.02%9,500$751,118No Change$79.0713F
SABRSABRE CORP0.02%550,900$749,224No Change$1.3613F
SABRSABRE CORP (Put)0.02%688,600$705,815No Change$1.0313F
SESEA LTD0.02%4,000$510,2804,000New$127.5713F
AEXAAMERICAN E0.02%50,000$569,500-350,000-87.5%$11.3913F
GRABGRAB HOLDI0.02%101,500$506,485101,500New$4.9913F
INACINDIGO ACQ0.02%75,000$756,000No Change$10.0813F
SPKLSPARK I AC0.02%66,832$754,533No Change$11.2913F
CROXCROCS INC (Put)0.01%81,000$425,250No Change$5.2513F
FFORD MTR C (Put)0.01%900,000$447,800No Change$0.513F
SKILSKILLSOFT0.01%41,692$387,736No Change$9.313F
BCSSBAIN CAP G0.01%50,000$504,00050,000New$10.0813F
SBXDSILVERBOX0.01%47,830$506,041No Change$10.5813F
RIGTRANSOCEAN (Call)0.01%400,000$460,000No Change$1.1513F
RIGTRANSOCEAN (Put)0.00557%483,400$188,075No Change$0.3913F
MGMMGM RESORT (Put)0.00537%82,600$181,431No Change$2.213F
CMCSACOMCAST CO (Call)0.00511%100,000$172,500100,000New$1.7313F
XIFRXPLR INFRA (Put)0.00485%20,600$163,770No Change$7.9513F
BEAGRBOLD EAGLE0.00397%400,000$134,000No Change$0.3413F
BGSB & G FOOD (Put)0.00236%113,600$79,520No Change$0.713F
BLZRWTRAILBLAZE0.00203%133,333$68,680133,333New$0.5213F
AMCAMC ENTMT0.00183%39,688$61,913No Change$1.5613F
BACCRBLUE ACQUI0.00178%200,000$60,140No Change$0.313F
CLMTCALUMET IN (Put)0.00150%175,000$50,500No Change$0.2913F
FTWWSEQV VENTUR0.00122%80,724$41,17780,724New$0.5113F
HLFHERBALIFE (Put)0.00098%82,400$32,960No Change$0.413F
SVACWSPRING VY0.00093%50,000$31,50050,000New$0.6313F
STWDSTARWOOD P (Put)0.00089%172,500$30,188No Change$0.1813F
WTWISDOMTREE (Put)0.00089%100,000$30,000100,000New$0.313F
RMCOWROYALTY MG0.00085%221,686$28,841No Change$0.1313F
FEFIRSTENERG (Put)0.00077%26,000$26,000No Change$113F
VNOVORNADO RL (Put)0.00074%33,500$25,125No Change$0.7513F
DAICWCID HOLDCO0.00070%282,640$23,657No Change$0.0813F
CAKECHEESECAKE (Put)0.00062%20,000$21,0002,50014.29%$1.0513F
VACIWSVIKING ACQ0.00058%50,000$19,50050,000New$0.3913F
MMACYS INC (Put)0.00056%80,000$18,800No Change$0.2413F
PTONPELOTON IN (Put)0.00041%400,000$14,000No Change$0.0413F
MKLYRMCKINLEY A0.00037%100,000$12,500100,000New$0.1313F
IWMISHARES TR (Put)0.00032%45,000$10,80045,000New$0.2413F
INACRINDIGO ACQ0.00032%75,000$10,875No Change$0.1513F
SYFSYNCHRONY (Put)0.00028%21,900$9,308No Change$0.4313F
EXEEXPAND ENE (Call)0.00025%20,000$8,40020,000New$0.4213F
OPTXWSYNTEC OPT0.00025%32,034$8,329No Change$0.2613F
SCAGWSCAGE FUTU0.00024%127,590$7,987No Change$0.0613F
TVGNWTEVOGEN BI0.00021%181,387$6,965No Change$0.0413F
BNAIWBRAND ENGA0.00020%150,251$6,851No Change$0.0513F
AVGOBROADCOM I (Call)0.00018%40,000$6,20040,000New$0.1613F
LVSLAS VEGAS (Put)0.00018%37,200$5,931No Change$0.1613F
MSAIWMULTISENSO0.00017%142,585$5,575No Change$0.0413F
OMFONEMAIN HL (Put)0.00017%34,400$5,640No Change$0.1613F
NCLHNORWEGIAN (Put)0.00017%188,800$5,664No Change$0.0313F
BRLSWBOREALIS F0.00011%70,030$3,831No Change$0.0513F
VSATVIASAT INC (Put)0.00011%73,300$3,665No Change$0.0513F
DOCNDIGITALOCE (Put)0.00009%15,000$3,00015,000New$0.213F
BSLKWBOLT PROJS0.00006%110,914$1,863No Change$0.0213F
MPWMEDICAL PP (Put)0.00006%396,500$1,982No Change$0.00513F
AAPADVANCE AU (Put)0.00004%12,000$1,260No Change$0.1113F
MGNIMAGNITE IN (Call)0.00002%32,000$800-200,000-86.21%$0.0313F
ADTADT INC DE-229,607Exited13F
APDAIR PRODS-31,535Exited13F
AWKAMERICAN W (PRN)-16,000,000Exited13F
ANETARISTA NET-30,000Exited13F
ANETARISTA NET (Call)-23,500Exited13F
BBARBANCO BBVA-368,434Exited13F
BSACBANCO SANT-119,793Exited13F
BBARRICK MN (Call)-143,000Exited13F
BYNDBEYOND MEA (PRN)-19,000,000Exited13F
BILIBILIBILI I-43,230Exited13F
CRCCALIFORNIA-49,400Exited13F
CLHCLEAN HARB-39,450Exited13F
CCOCLEAR CHAN-1,000,000Exited13F
COINCOINBASE G-19,000Exited13F
COMMCOMMSCOPE-125,000Exited13F