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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: $3.76 B
Last 13-F Filed: Q4 2025
Concentration in top 10: 70.32%
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Stock Company % Portfolio Shares Held Market Value Change in Shares % Change Quarter End Price Source
CYBRCYBERARK S12.36%1,040,571$464,157,10252,7575.34%$446.0613F
GTLSCHART INDS10.12%1,843,737$380,233,880563,69844.04%$206.2313F
CMACOMERICA I7.66%3,311,960$287,908,6823,311,960New$86.9313F
DAYDAYFORCE I7.54%4,096,708$283,328,3264,096,708New$69.1613F
RNAMAVIDITY BI7.14%3,716,597$268,078,1413,716,597New$72.1313F
FYBRFRONTIER C6.99%6,901,367$262,735,0411,021,59817.37%$38.0713F
ALAIR LEASE5.20%3,039,453$195,224,0672,222,043271.84%$64.2313F
HOLXHOLOGIC IN5.17%2,605,031$194,048,7602,605,031New$74.4913F
EXASEXACT SCIE4.81%1,779,212$180,696,7701,779,212New$101.5613F
CADECADENCE BA3.33%2,916,809$124,956,0982,916,809New$42.8413F
CFLTCONFLUENT3.20%3,970,660$120,072,7593,970,660New$30.2413F
EXASEXACT SCIE (PRN)2.49%90,000,000$93,672,00290,000,000New$1.0413F
KLARKLARNA GRO1.93%2,501,675$72,323,4242,501,675New$28.9113F
CDTXCIDARA THE1.86%315,474$69,685,052315,474New$220.8913F
SEESEALED AIR1.32%1,195,854$49,544,2331,195,854New$41.4313F
SNVSYNOVUS FI0.93%699,181$34,994,009699,181New$50.0513F
AVGOBROADCOM I0.73%78,896$27,305,90670,946892.4%$346.113F
PTONPELOTON IN (PRN)0.72%27,352,000$27,076,446No Change$0.9913F
MATMATTEL INC0.51%973,829$19,320,76730,6003.24%$19.8413F
SNOWSNOWFLAKE (PRN)0.51%12,300,000$19,028,1009,800,000392%$1.5513F
DKNGDRAFTKINGS (PRN)0.49%20,000,000$18,330,000-2,000,000-9.09%$0.9213F
NVDANVIDIA COR0.48%97,116$18,112,134-91,404-48.49%$186.513F
AEPAMERICAN E0.40%130,250$15,019,12888,250210.12%$115.3113F
LNTALLIANT EN0.39%224,205$14,575,567-78,775-26%$65.0113F
CNPCENTERPOIN0.39%381,495$14,626,518-6,170-1.59%$38.3413F
FOLDAMICUS THE0.38%1,000,000$14,240,0001,000,000New$14.2413F
PHPARKER-HAN0.36%15,460$13,588,72215,460New$878.9613F
WMWASTE MGMT0.36%61,675$13,550,61461,675New$219.7113F
CRHCRH PLC0.36%109,645$13,683,696109,645New$124.813F
IWMISHARES TR0.34%52,000$12,800,32052,000New$246.1613F
BABOEING CO0.30%51,535$11,189,27951,535New$217.1213F
CROXCROCS INC0.28%124,000$10,604,480No Change$85.5213F
FEFIRSTENERG (PRN)0.27%10,000,000$10,230,000No Change$1.0213F
TLNTALEN ENER0.26%26,225$9,830,17926,225New$374.8413F
NEENEXTERA EN0.23%109,300$8,774,604109,300New$80.2813F
BTGB2GOLD COR0.22%1,842,462$8,309,504-213,692-10.39%$4.5113F
PANWPALO ALTO0.22%45,000$8,289,00045,000New$184.213F
GOOGLALPHABET I0.21%25,010$7,828,13025,010New$31313F
SOSOUTHERN C (PRN)0.21%7,500,000$8,010,000-10,000,000-57.14%$1.0713F
HIHILLENBRAN0.20%239,227$7,588,281239,227New$31.7213F
PLYMPLYMOUTH I0.20%350,677$7,672,814-301,209-46.21%$21.8813F
KNXKNIGHT-SWI0.19%133,935$7,002,122133,935New$52.2813F
TOSTTOAST INC0.19%200,000$7,102,000120,000150%$35.5113F
JENAJENA ACQUI0.19%700,000$7,119,000No Change$10.1713F
FUTUFUTU HLDGS0.16%36,021$5,915,00836,021New$164.2113F
TSLATESLA INC0.16%13,617$6,123,8371,81715.4%$449.7213F
TELTE CONNECT0.16%26,355$5,996,02626,355New$227.5113F
UALUNITED AIR0.15%50,000$5,591,00050,000New$111.8213F
SAIASAIA INC0.14%15,840$5,172,07715,840New$326.5213F
FLSFLOWSERVE0.13%72,341$5,019,01972,341New$69.3813F
HONHONEYWELL0.13%25,712$5,016,15425,712New$195.0913F
LYVLIVE NATIO0.13%34,200$4,873,500-32,800-48.96%$142.513F
MELIMERCADOLIB0.13%2,500$5,035,650-4,070-61.95%$2014.2613F
EGHAEGH ACQUIS0.13%500,000$5,070,000No Change$10.1413F
GTENGORES HLDG0.13%474,941$4,868,145-75,059-13.65%$10.2513F
ETRENTERGY CO0.12%48,830$4,513,357-159,500-76.56%$92.4313F
URIUNITED REN0.12%5,400$4,370,328-3,370-38.43%$809.3213F
AXTAAXALTA COA0.12%140,600$4,542,78655,35064.93%$32.3113F
CEPVCANTOR EQU0.12%450,000$4,612,500450,000New$10.2513F
BKNGBOOKING HO0.11%800$4,284,264800New$5355.3313F
CEGCONSTELLAT0.11%12,100$4,274,56712,100New$353.2713F
DALDELTA AIR0.11%58,731$4,075,931-56,417-49%$69.413F
HWMHOWMET AER0.11%20,000$4,100,400-5,000-20%$205.0213F
LCIDLUCID GROU (Put)0.11%2,777,800$4,142,863-387,300-12.24%$1.4913F
ANSCAGRICULTUR0.11%384,160$4,291,067No Change$11.1713F
BLZRTRAILBLAZE0.11%400,000$4,004,000400,000New$10.0113F
COHRCOHERENT C0.10%20,257$3,738,8344,32927.18%$184.5713F
INTCINTEL CORP0.10%100,000$3,690,000-28,000-21.88%$36.913F
SNPSSYNOPSYS I0.10%8,000$3,757,760-10,801-57.45%$469.7213F
VRTVERTIV HOL0.10%22,057$3,573,4556573.07%$162.0113F
PDDPDD HOLDIN0.09%31,107$3,527,223-15,694-33.53%$113.3913F
LOKVLIVE OAK A0.09%324,923$3,346,707No Change$10.313F
NHICNEWHOLD IN0.09%324,604$3,362,897-50,396-13.44%$10.3613F
APHAMPHENOL C0.08%22,110$2,987,945-27,890-55.78%$135.1413F
CHRWC H ROBINS0.08%18,170$2,921,009-53,630-74.69%$160.7613F
FSLRFIRST SOLA0.08%11,300$2,951,89911,300New$261.2313F
TKOTKO GROUP0.08%15,000$3,135,0009,000150%$20913F
NCLHNORWEGIAN0.08%135,000$3,013,200No Change$22.3213F
OACCOAKTREE AC0.08%300,000$3,174,000No Change$10.5813F
SVACSPRING VY0.08%300,000$3,045,000300,000New$10.1513F
ACELACCEL ENTE0.07%246,728$2,815,166No Change$11.4113F
GEVGE VERNOVA0.07%3,834$2,505,7873,834New$653.5713F
PFEPFIZER INC0.07%102,623$2,555,313102,623New$24.913F
AAMAA MISSION0.07%250,000$2,667,500No Change$10.6713F
BLUWBLUE WTR A0.07%250,000$2,580,000No Change$10.3213F
CGCTCARTESIAN0.07%250,000$2,572,500No Change$10.2913F
KOYNCSLM DIGIT0.07%250,000$2,487,500No Change$9.9513F
IPODDUNE ACQUI0.07%250,000$2,547,500No Change$10.1913F
FTWEQV VENTUR0.07%242,175$2,540,416No Change$10.4913F
GPATGP-ACT III0.07%250,000$2,675,000-100,000-28.57%$10.713F
HVMCHIGHVIEW M0.07%250,000$2,500,000250,000New$1013F
MBVIM3-BRIGADE0.07%250,000$2,502,500250,000New$10.0113F
NPACNEW PROVID0.07%250,000$2,565,000No Change$10.2613F
OBAOXLEY BRID0.07%250,000$2,515,000No Change$10.0613F
PACHPIONEER AC0.07%250,000$2,515,000No Change$10.0613F
SOCASOLARIUS C0.07%250,000$2,512,500No Change$10.0513F
SVCCSTELLAR V0.07%250,000$2,591,250No Change$10.3713F
TLNCTALON CAP0.07%250,000$2,525,000250,000New$10.113F
TVAITHAYER VEN0.07%250,000$2,530,000No Change$10.1213F
TJXTJX COS IN0.06%15,000$2,304,15015,000New$153.6113F
WABWABTEC0.06%10,000$2,134,50010,000New$213.4513F
ATIIARCHIMEDES0.06%200,000$2,072,000No Change$10.3613F
BEAGBOLD EAGLE0.06%219,217$2,319,316-280,783-56.16%$10.5813F
CCIXCHURCHILL0.06%199,274$2,118,283-50,726-20.29%$10.6313F
RNGTRANGE CAP0.06%225,000$2,245,500225,000New$9.9813F
ASMLASML HOLDI0.06%2,000$2,139,7202,000New$1069.8613F
BURLBURLINGTON0.05%6,500$1,877,5256,500New$288.8513F
AXINAXIOM INTE0.05%175,000$1,762,250No Change$10.0713F
BACCBLUE ACQUI0.05%200,000$2,042,000No Change$10.2113F
CRAQCAL REDWOO0.05%200,000$2,036,000No Change$10.1813F
CEPFCANTOR EQU0.05%174,570$1,794,580-125,430-41.81%$10.2813F
CCIICOHEN CIRC0.05%200,000$2,048,000No Change$10.2413F
BCARD. BORAL A0.05%200,000$2,006,000No Change$10.0313F
GSHRGESHER ACQ0.05%200,000$2,048,000No Change$10.2413F
OTGAOTG ACQUIS0.05%175,000$1,750,000175,000New$1013F
CHKPCHECK POIN0.05%10,370$1,924,25710,370New$185.5613F
ACMRACM RESH I0.04%35,958$1,418,543-43,438-54.71%$39.4513F
CMICUMMINS IN0.04%3,000$1,531,3503,000New$510.4513F
WBDWARNER BRO0.04%50,000$1,440,999No Change$28.8213F
ALCYALCHEMY IN0.04%100,248$1,424,524No Change$14.2113F
AACBARTIUS II0.04%160,000$1,648,000No Change$10.313F
XRPNARMADA ACQ0.04%150,000$1,536,000No Change$10.2413F
YCYAA MISSION0.04%150,000$1,494,000150,000New$9.9613F
ALFCENTURION0.04%150,000$1,602,000No Change$10.6813F
POLEANDRETTI A0.04%150,000$1,581,000No Change$10.5413F
EVACEQV VENTUR0.04%150,000$1,504,500No Change$10.0313F
FCRSFUTURECRES0.04%150,000$1,515,000150,000New$10.113F
MLACMOUNTAIN L0.04%149,912$1,559,085-100,088-40.04%$10.413F
PAIIPYROPHYTE0.04%150,000$1,509,000No Change$10.0613F
SOULSOULPOWER0.04%150,000$1,522,500No Change$10.1513F
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
DLTRDOLLAR TRE0.03%10,000$1,230,10010,000New$123.0113F
IRHOUIRON HORSE0.03%100,000$994,000100,000New$9.9413F
LITELUMENTUM H0.03%3,083$1,136,3633,083New$368.5913F
GENVRGEN DIGITA0.03%274,523$1,232,608-23,219-7.8%$4.4913F
GLDSPDR GOLD0.03%2,450$970,9602,450New$396.3113F
TPRTAPESTRY I0.03%10,000$1,277,70010,000New$127.7713F
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
CHECCHENGHE AC0.03%125,000$1,247,500125,000New$9.9813F
COPLCOPLEY ACQ0.03%100,000$1,023,000No Change$10.2313F
FIGXFIGX CAP A0.03%100,000$1,006,000No Change$10.0613F
LATAGALATA ACQ0.03%125,000$1,245,000125,000New$9.9613F
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
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
SPEGSILVER PEG0.03%120,000$1,210,800No Change$10.0913F
SZZLSIZZLE ACQ0.03%100,000$1,016,000No Change$10.1613F
WENNWEN ACQUIS0.03%100,000$1,010,000No Change$10.113F
CCJCAMECO COR0.02%7,138$653,056-40,027-84.87%$91.4913F
LEUCENTRUS EN0.02%2,695$654,2382,695New$242.7613F
CCCHEMOURS C (Put)0.02%46,900$619,080No Change$13.213F
METAMETA PLATF0.02%1,411$931,387-6,589-82.36%$660.0913F
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
NEMNEWMONT CO0.02%9,270$925,610-6,730-42.06%$99.8513F
PKGPACKAGING0.02%4,290$884,727-71,450-94.34%$206.2313F
ROSTROSS STORE0.02%5,000$900,700-2,500-33.33%$180.1413F
SABRSABRE CORP0.02%550,900$749,224No Change$1.3613F
SABRSABRE CORP (Put)0.02%688,600$705,815No Change$1.0313F
AEXAAMERICAN E0.02%50,000$569,500-350,000-87.5%$11.3913F
INACINDIGO ACQ0.02%75,000$756,000No Change$10.0813F
RAAQREAL ASSET0.02%89,610$914,022-35-0.04%$10.213F
SPKLSPARK I AC0.02%66,832$754,533No Change$11.2913F
AALAMERICAN A (Put)0.01%5,460,000$534,225-3,850,000-41.35%$0.113F
CHTRCHARTER CO (Put)0.01%21,100$509,7356002.93%$24.1613F
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
HOGHARLEY DAV (Put)0.01%250,000$550,000-125,000-33.33%$2.213F
SESEA LTD0.01%4,000$510,2804,000New$127.5713F
SKILSKILLSOFT0.01%41,692$387,736No Change$9.313F
BCSSBAIN CAP G0.01%50,000$504,00050,000New$10.0813F
GRABGRAB HOLDI0.01%101,500$506,485101,500New$4.9913F
SBXDSILVERBOX0.01%47,830$506,041No Change$10.5813F
RIGTRANSOCEAN (Call)0.01%400,000$460,000No Change$1.1513F
RIGTRANSOCEAN (Put)0.00501%483,400$188,075No Change$0.3913F
MGMMGM RESORT (Put)0.00483%82,600$181,431No Change$2.213F
CMCSACOMCAST CO (Call)0.00459%100,000$172,500100,000New$1.7313F
XIFRXPLR INFRA (Put)0.00436%20,600$163,770No Change$7.9513F
BEAGRBOLD EAGLE0.00357%400,000$134,000No Change$0.3413F
BGSB & G FOOD (Put)0.00212%113,600$79,520No Change$0.713F
BLZRWTRAILBLAZE0.00183%133,333$68,680133,333New$0.5213F
AMCAMC ENTMT0.00165%39,688$61,913No Change$1.5613F
BACCRBLUE ACQUI0.00160%200,000$60,140No Change$0.313F
CLMTCALUMET IN (Put)0.00134%175,000$50,500No Change$0.2913F
FTWWSEQV VENTUR0.00110%80,724$41,17780,724New$0.5113F
HLFHERBALIFE (Put)0.00088%82,400$32,960No Change$0.413F
SVACWSPRING VY0.00084%50,000$31,50050,000New$0.6313F
STWDSTARWOOD P (Put)0.00080%172,500$30,188No Change$0.1813F
WTWISDOMTREE (Put)0.00080%100,000$30,000100,000New$0.313F
RMCOWROYALTY MG0.00077%221,686$28,841No Change$0.1313F
FEFIRSTENERG (Put)0.00069%26,000$26,000No Change$113F
VNOVORNADO RL (Put)0.00067%33,500$25,125No Change$0.7513F
DAICWCID HOLDCO0.00063%282,640$23,657No Change$0.0813F
CAKECHEESECAKE (Put)0.00056%20,000$21,0002,50014.29%$1.0513F
VACIWSVIKING ACQ0.00052%50,000$19,50050,000New$0.3913F
MMACYS INC (Put)0.00050%80,000$18,800No Change$0.2413F
PTONPELOTON IN (Put)0.00037%400,000$14,000No Change$0.0413F
MKLYRMCKINLEY A0.00033%100,000$12,500100,000New$0.1313F
IWMISHARES TR (Put)0.00029%45,000$10,80045,000New$0.2413F
INACRINDIGO ACQ0.00029%75,000$10,875No Change$0.1513F
SYFSYNCHRONY (Put)0.00025%21,900$9,308No Change$0.4313F
EXEEXPAND ENE (Call)0.00022%20,000$8,40020,000New$0.4213F
OPTXWSYNTEC OPT0.00022%32,034$8,329No Change$0.2613F
SCAGWSCAGE FUTU0.00021%127,590$7,987No Change$0.0613F
TVGNWTEVOGEN BI0.00019%181,387$6,965No Change$0.0413F
BNAIWBRAND ENGA0.00018%150,251$6,851No Change$0.0513F
AVGOBROADCOM I (Call)0.00017%40,000$6,20040,000New$0.1613F
LVSLAS VEGAS (Put)0.00016%37,200$5,931No Change$0.1613F
MSAIWMULTISENSO0.00015%142,585$5,575No Change$0.0413F
OMFONEMAIN HL (Put)0.00015%34,400$5,640No Change$0.1613F
NCLHNORWEGIAN (Put)0.00015%188,800$5,664No Change$0.0313F
BRLSWBOREALIS F0.00010%70,030$3,831No Change$0.0513F
VSATVIASAT INC (Put)0.00010%73,300$3,665No Change$0.0513F
DOCNDIGITALOCE (Put)0.00008%15,000$3,00015,000New$0.213F
BSLKWBOLT PROJS0.00005%110,914$1,863No Change$0.0213F
MPWMEDICAL PP (Put)0.00005%396,500$1,982No Change$0.00513F
AAPADVANCE AU (Put)0.00003%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