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OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
Period ended Dec 31, 2025 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Dec 31, 2025: $3,756,404,328
More quarters will appear as history becomes available.
Top holdings
Top 10 at Dec 31, 2025. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- CYBERARK S · SHS · M2682V108 · shares: $464,157,102
- CHART INDS · COM · 16115Q308 · shares: $380,233,880
- COMERICA I · COM · 200340107 · shares: $287,908,682
- DAYFORCE I · COM · 15677J108 · shares: $283,328,326
- AVIDITY BI · COM · 05370A108 · shares: $268,078,141
- FRONTIER C · COM · 35909D109 · shares: $262,735,041
- AIR LEASE · CLA · 00912X302 · shares: $195,224,067
- HOLOGIC IN · COM · 436440101 · shares: $194,048,760
- EXACT SCIE · COM · 30063P105 · shares: $180,696,770
- CADENCE BA · COM · 12740C103 · shares: $124,956,098
Reported holdings
236 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| TJX COS IN | COM | 872540109 | — | 15,000 shares | $2,304,150 |
| RANGE CAP | CLAOR | G7375J103 | — | 225,000 shares | $2,245,500 |
| ASML HOLDI | NYREG | N07059210 | — | 2,000 shares | $2,139,720 |
| WABTEC | COM | 929740108 | — | 10,000 shares | $2,134,500 |
| CHURCHILL | CLASH | G21301109 | — | 199,274 shares | $2,118,283 |
| ARCHIMEDES | ORDSH | G04537109 | — | 200,000 shares | $2,072,000 |
| COHEN CIRC | SHSCL | G2254C121 | — | 200,000 shares | $2,048,000 |
| GESHER ACQ | USDCL | G3852D107 | — | 200,000 shares | $2,048,000 |
| BLUE ACQUI | ORDSH | G1331A108 | — | 200,000 shares | $2,042,000 |
| CAL REDWOO | COMCL | G17564108 | — | 200,000 shares | $2,036,000 |
| D. BORAL A | SHSCL | G2616F101 | — | 200,000 shares | $2,006,000 |
| CHECK POIN | ORD | M22465104 | — | 10,370 shares | $1,924,257 |
| BURLINGTON | COM | 122017106 | — | 6,500 shares | $1,877,525 |
| CANTOR EQU | SHSCL | G1828E100 | — | 174,570 shares | $1,794,580 |
| AXIOM INTE | ORDSH | G0750N104 | — | 175,000 shares | $1,762,250 |
| OTG ACQUIS | ORDCL | G6791A100 | — | 175,000 shares | $1,750,000 |
| ARTIUS II | SHSCL | G0509J115 | — | 160,000 shares | $1,648,000 |
| CENTURION | SHSCL | G20315100 | — | 150,000 shares | $1,602,000 |
| ANDRETTI A | ORDSH | G26745102 | — | 150,000 shares | $1,581,000 |
| MOUNTAIN L | SHSCL | G6301B101 | — | 149,912 shares | $1,559,085 |
| ARMADA ACQ | COMCL | G0R38G104 | — | 150,000 shares | $1,536,000 |
| CUMMINS IN | COM | 231021106 | — | 3,000 shares | $1,531,350 |
| SOULPOWER | USDCL | G82745103 | — | 150,000 shares | $1,522,500 |
| FUTURECRES | CLAOR | G3730U107 | — | 150,000 shares | $1,515,000 |
| PYROPHYTE | CLASH | G7309T102 | — | 150,000 shares | $1,509,000 |
| EQV VENTUR | ORDSH | G3106Q102 | — | 150,000 shares | $1,504,500 |
| TOWER SEMI | SHSNE | M87915274 | — | 12,739 shares | $1,495,813 |
| AA MISSION | ORDSH | G1000S109 | — | 150,000 shares | $1,494,000 |
| VIKING ACQ | ORDCL | G9582G104 | — | 150,000 shares | $1,485,000 |
| WARNER BRO | COMSE | 934423104 | — | 50,000 shares | $1,440,999 |
| ALCHEMY IN | CLAOR | G0232F109 | — | 100,248 shares | $1,424,524 |
| ACM RESH I | COMCL | 00108J109 | — | 35,958 shares | $1,418,543 |
| TAPESTRY I | COM | 876030107 | — | 10,000 shares | $1,277,700 |
| CHENGHE AC | ORDSH | G2086N105 | — | 125,000 shares | $1,247,500 |
| GALATA ACQ | ORDSH | G3R25N108 | — | 125,000 shares | $1,245,000 |
| GEN DIGITA | RIGHT | 668771116 | — | 274,523 shares | $1,232,608 |
| DOLLAR TRE | COM | 256746108 | — | 10,000 shares | $1,230,100 |
| SILVER PEG | SHSCL | G8192J102 | — | 120,000 shares | $1,210,800 |
| CANADIAN S | COM | 136635109 | — | 47,962 shares | $1,140,057 |
| LUMENTUM H | COM | 55024U109 | — | 3,083 shares | $1,136,363 |
| HAYMAKER A | CLASS | G4375F108 | — | 100,248 shares | $1,135,810 |
| SHARKNINJA | COMSH | G8068L108 | — | 10,020 shares | $1,121,238 |
| WALMART IN | COM | 931142103 | — | 10,000 shares | $1,114,100 |
| LEGATO MER | ORDSH | G5451A103 | — | 100,000 shares | $1,088,000 |
| ALDEL FINL | CLA | G01558108 | — | 100,000 shares | $1,051,000 |
| ROMAN DBDR | ORDSH | G7633M104 | — | 100,000 shares | $1,043,000 |
| JACKSON AC | COMSH | G4992A110 | — | 100,000 shares | $1,042,000 |
| RITHM ACQU | CLA | G75751100 | — | 100,000 shares | $1,039,000 |
| COPLEY ACQ | ORDSH | G24243100 | — | 100,000 shares | $1,023,000 |
| CANTOR EQU | SHSCL | G1828A108 | — | 100,000 shares | $1,020,000 |
| 1RT ACQUIS | USDCL | G6757R105 | — | 100,000 shares | $1,020,000 |
| PELICAN AC | SHS | G6993G103 | — | 100,000 shares | $1,017,000 |
| SIZZLE ACQ | USDCL | G8193F109 | — | 100,000 shares | $1,016,000 |
| BERTO ACQU | ORDSH | G1051H101 | — | 100,000 shares | $1,014,000 |
| INFLECTION | CLAOR | G47875102 | — | 100,000 shares | $1,014,000 |
| OYSTER ENT | ORDSH | G6861F104 | — | 100,000 shares | $1,011,000 |
| WEN ACQUIS | COMCL | G9R39C103 | — | 100,000 shares | $1,010,000 |
| FIGX CAP A | USDCL | G3473K100 | — | 100,000 shares | $1,006,000 |
| BTC DEV CO | ORDSH | G0701G109 | — | 100,000 shares | $1,001,500 |
| MCKINLEY A | SHSCL | G6005T101 | — | 100,000 shares | $997,000 |
| IRON HORSE | UNIT0 | 46283H202 | — | 100,000 shares | $994,000 |
| APEX TREAS | ORDSH | G04104108 | — | 100,000 shares | $989,000 |
| SPDR GOLD | GOLDS | 78463V107 | — | 2,450 shares | $970,960 |
| META PLATF | CLA | 30303M102 | — | 1,411 shares | $931,387 |
| NEWMONT CO | COM | 651639106 | — | 9,270 shares | $925,610 |
| REAL ASSET | SHSCL | G73944103 | — | 89,610 shares | $914,022 |
| ROSS STORE | COM | 778296103 | — | 5,000 shares | $900,700 |
| PACKAGING | COM | 695156109 | — | 4,290 shares | $884,727 |
| MASCO CORP | COM | 574599106 | — | 12,020 shares | $762,789 |
| H WORLD GR | SPONS | 44332N106 | — | 16,167 shares | $760,657 |
| INDIGO ACQ | ORDSH | G4791J106 | — | 75,000 shares | $756,000 |
| SPARK I AC | ORDSH | G8316B100 | — | 66,832 shares | $754,533 |
| HUNT J B T | COM | 445658107 | — | 3,880 shares | $754,039 |
| HERTZ GLOB | COM | 42806J700 | PUT | 1,194,300 shares | $752,450 |
| STRATEGY I | SERIE | 594972887 | — | 9,500 shares | $751,118 |
| SABRE CORP | COM | 78573M104 | — | 550,900 shares | $749,224 |
| SABRE CORP | COM | 78573M104 | PUT | 688,600 shares | $705,815 |
| CENTRUS EN | CLA | 15643U104 | — | 2,695 shares | $654,238 |
| CAMECO COR | COM | 13321L108 | — | 7,138 shares | $653,056 |
| CHEMOURS C | COM | 163851108 | PUT | 46,900 shares | $619,080 |
| AMERICAN E | ORDCL | G0273J101 | — | 50,000 shares | $569,500 |
| HARLEY DAV | COM | 412822108 | PUT | 250,000 shares | $550,000 |
| AMERICAN A | COM | 02376R102 | PUT | 5,460,000 shares | $534,225 |
| SEA LTD | SPONS | 81141R100 | — | 4,000 shares | $510,280 |
| CHARTER CO | COM | 16119P108 | PUT | 21,100 shares | $509,735 |
| GRAB HOLDI | CLASS | G4124C109 | — | 101,500 shares | $506,485 |
| SILVERBOX | SHSCL | G81354105 | — | 47,830 shares | $506,041 |
| BAIN CAP G | ORDCL | G0R78B106 | — | 50,000 shares | $504,000 |
| TRANSOCEAN | COM | H8817H100 | CALL | 400,000 shares | $460,000 |
| FORD MTR C | COM | 345370860 | PUT | 900,000 shares | $447,800 |
| CROCS INC | COM | 227046109 | PUT | 81,000 shares | $425,250 |
| SKILLSOFT | CLA | 83066P309 | — | 41,692 shares | $387,736 |
| TRANSOCEAN | COM | H8817H100 | PUT | 483,400 shares | $188,075 |
| MGM RESORT | COM | 552953101 | PUT | 82,600 shares | $181,431 |
| COMCAST CO | COM | 20030N101 | CALL | 100,000 shares | $172,500 |
| XPLR INFRA | COM | 65341B106 | PUT | 20,600 shares | $163,770 |
| BOLD EAGLE | RIGHT | G2003N121 | — | 400,000 shares | $134,000 |
| B & G FOOD | COM | 05508R106 | PUT | 113,600 shares | $79,520 |
| TRAILBLAZE | *WEXP | G9009S111 | — | 133,333 shares | $68,680 |
| AMC ENTMT | CLANE | 00165C302 | — | 39,688 shares | $61,913 |