OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) Q2 2025 Filing
Filed August 14, 2025
Portfolio Value
$2.0T
Holdings
328
Report Date
Q2 2025
Filing Type
13F-HR
All Holdings (328 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 201 | TERNTERNS PHAR | 273,619 | $1.0B | 0.05% | |
| 202 | PMTRPERIMETER | 100,000 | $1.0B | 0.05% | |
| 203 | NPACNEW PROVID | 100,000 | $1.0B | 0.05% | |
| 204 | OYSEOYSTER ENT | 100,000 | $1.0B | 0.05% | |
| 205 | BCYCBICYCLE TH | 193,800 | $1.0B | 0.05% | Call |
| 206 | QUREUNIQURE NV | 143,475 | $1.0B | 0.05% | Call |
| 207 | COPLCOPLEY ACQ | 100,000 | $1.0B | 0.05% | |
| 208 | SZZLSIZZLE ACQ | 100,000 | $1.0B | 0.05% | |
| 209 | PELIPELICAN AC | 100,000 | $1.0B | 0.05% | |
| 210 | ZKNZEEKR INTE | 39,100 | $997.0M | 0.05% | |
| 211 | PVLAPALVELLA T | 43,994 | $991.6M | 0.05% | |
| 212 | COSTCOSTCO WHS | 1,000 | $989.9M | 0.05% | |
| 213 | SLNOSOLENO THE | 32,362 | $982.8M | 0.05% | Put |
| 214 | NVNOENVVENO ME | 241,161 | $962.2M | 0.05% | |
| 215 | ACADACADIA PHA | 43,000 | $927.5M | 0.05% | |
| 216 | BILIBILIBILI I | 43,230 | $927.3M | 0.05% | |
| 217 | LEVILEVI STRAU | 50,000 | $924.5M | 0.05% | |
| 218 | PRAXPRAXIS PRE | 21,892 | $920.6M | 0.05% | |
| 219 | BEKEKE HLDGS I | 51,814 | $919.2M | 0.05% | |
| 220 | RAAQREAL ASSET | 89,645 | $910.8M | 0.05% | |
| 221 | AXGNAXOGEN INC | 131,429 | $907.3M | 0.05% | Call |
| 222 | RIGTRANSOCEAN | 1,283,400 | $905.7M | 0.05% | Put |
| 223 | SRRKSCHOLAR RO | 25,426 | $900.6M | 0.05% | |
| 224 | KALVKALVISTA P | 79,460 | $898.3M | 0.05% | |
| 225 | GEVGE VERNOVA | 1,680 | $889.0M | 0.05% | |
| 226 | LRMRLARIMAR TH | 307,198 | $887.8M | 0.05% | |
| 227 | MRUSMERUS N V | 16,704 | $878.6M | 0.05% | |
| 228 | FFORD MTR C | 924,900 | $867.5M | 0.04% | Put |
| 229 | ADPTADAPTIVE B | 73,441 | $855.6M | 0.04% | |
| 230 | ANABANAPTYSBIO | 38,528 | $855.3M | 0.04% | |
| 231 | SNDXSYNDAX PHA | 90,441 | $847.0M | 0.04% | |
| 232 | HOGHARLEY DAV | 375,000 | $840.6M | 0.04% | Put |
| 233 | PTGXPROTAGONIS | 14,523 | $802.7M | 0.04% | |
| 234 | OFIXORTHOFIX M | 67,518 | $752.8M | 0.04% | |
| 235 | SPKLSPARK I AC | 66,832 | $728.5M | 0.04% | |
| 236 | EWTXEDGEWISE T | 55,292 | $724.9M | 0.04% | |
| 237 | PTCTPTC THERAP | 14,548 | $710.5M | 0.04% | |
| 238 | DAWNDAY ONE BI | 107,249 | $697.1M | 0.04% | |
| 239 | TGTXTG THERAPE | 19,000 | $683.8M | 0.04% | |
| 240 | CGONCG ONCOLOG | 26,000 | $676.0M | 0.03% | |
| 241 | VERAVERA THERA | 67,400 | $668.5M | 0.03% | Call |
| 242 | AXSMAXSOME THE | 6,400 | $668.1M | 0.03% | |
| 243 | SKILSKILLSOFT | 41,692 | $665.8M | 0.03% | |
| 244 | KALAKALA BIO I | 138,556 | $659.5M | 0.03% | |
| 245 | IRONDISC MEDIC | 12,317 | $652.3M | 0.03% | |
| 246 | CCCHEMOURS C | 46,900 | $637.8M | 0.03% | Put |
| 247 | SPYSPDR S&P 5 | 190,500 | $627.7M | 0.03% | Put |
| 248 | BBIOBRIDGEBIO | 13,771 | $594.6M | 0.03% | |
| 249 | UWMCUWM HOLDIN | 143,000 | $592.0M | 0.03% | |
| 250 | TMCITREACE MED | 100,317 | $589.9M | 0.03% | |
| 251 | SABRSABRE CORP | 798,600 | $585.2M | 0.03% | Put |
| 252 | CEPFCANTOR EQU | 50,000 | $551.5M | 0.03% | |
| 253 | NUVBNUVATION B | 282,464 | $550.8M | 0.03% | |
| 254 | SBXDSILVERBOX | 50,000 | $548.0M | 0.03% | |
| 255 | MBLYMOBILEYE G | 30,000 | $539.4M | 0.03% | |
| 256 | NGNENEUROGENE | 34,761 | $519.7M | 0.03% | |
| 257 | KROSKEROS THER | 37,891 | $505.8M | 0.03% | |
| 258 | ORICORIC PHARM | 49,000 | $497.4M | 0.03% | |
| 259 | SDGRSCHRODINGE | 24,358 | $490.1M | 0.03% | |
| 260 | MGMMGM RESORT | 82,600 | $452.0M | 0.02% | Put |
| 261 | TARSTARSUS PHA | 11,000 | $445.6M | 0.02% | |
| 262 | RLAYRELAY THER | 127,036 | $439.5M | 0.02% | |
| 263 | RCUSARCUS BIOS | 52,975 | $431.2M | 0.02% | |
| 264 | CHTRCHARTER CO | 20,500 | $382.7M | 0.02% | Put |
| 265 | ARVNARVINAS IN | 50,000 | $368.0M | 0.02% | |
| 266 | HLFHERBALIFE | 82,400 | $354.3M | 0.02% | Put |
| 267 | TSLATESLA INC | 12,500 | $288.8M | 0.01% | Put |
| 268 | AAPLAPPLE INC | 74,000 | $279.4M | 0.01% | Call |
| 269 | —EVOLV TECH | 463,341 | $258.5M | 0.01% | |
| 270 | VSATVIASAT INC | 73,300 | $238.2M | 0.01% | Put |
| 271 | CLMTCALUMET IN | 175,000 | $234.4M | 0.01% | Put |
| 272 | XBISPDR SERIE | 175,000 | $216.3M | 0.01% | Put |
| 273 | CAPRCAPRICOR T | 50,054 | $213.1M | 0.01% | Put |
| 274 | XIFRXPLR INFRA | 20,600 | $193.6M | 0.01% | Put |
| 275 | FSLRFIRST SOLA | 15,000 | $189.4M | 0.01% | Call |
| 276 | HYGISHARES TR | 500,000 | $172.5M | 0.01% | Put |
| 277 | VTYXVENTYX BIO | 79,000 | $169.1M | 0.01% | |
| 278 | UALUNITED AIR | 87,500 | $164.9M | 0.01% | Put |
| 279 | LVSLAS VEGAS | 37,200 | $164.2M | 0.01% | Put |
| 280 | GQ9SPDR GOLD | 31,500 | $153.6M | 0.01% | Call |
| 281 | XFORX4 PHARMAC | 80,000 | $152.0M | 0.01% | |
| 282 | MPTMEDICAL PP | 396,500 | $130.8M | 0.01% | Put |
| 283 | —ONECONNECT | 18,106 | $130.4M | 0.01% | |
| 284 | DHRB & G FOOD | 113,600 | $127.8M | 0.01% | Put |
| 285 | AMCAMC ENTMT | 39,688 | $123.0M | 0.01% | |
| 286 | BEAGBOLD EAGLE | 400,000 | $122.0M | 0.01% | |
| 287 | IFRXINFLARX NV | 150,000 | $118.5M | 0.01% | |
| 288 | NDQINVESCO QQ | 20,000 | $116.8M | 0.01% | Put |
| 289 | PTONPELOTON IN | 400,000 | $114.0M | 0.01% | Put |
| 290 | TLTISHARES TR | 600,000 | $102.0M | 0.01% | Put |
| 291 | STWDSTARWOOD P | 172,500 | $90.6M | 0.00% | Put |
| 292 | BACQBLEICHROED | 250,000 | $81.0M | 0.00% | |
| 293 | IRMIRON MTN I | 25,000 | $70.0M | 0.00% | Put |
| 294 | ALKSALKERMES P | 25,000 | $58.1M | 0.00% | Put |
| 295 | TPHTRI POINTE | 18,000 | $57.1M | 0.00% | Put |
| 296 | OMFONEMAIN HL | 34,400 | $45.6M | 0.00% | Put |
| 297 | XLVSELECT SEC | 70,000 | $40.6M | 0.00% | Put |
| 298 | BIIBBIOGEN INC | 20,000 | $30.0M | 0.00% | Call |
| 299 | FEFIRSTENERG | 26,000 | $27.9M | 0.00% | Put |
| 300 | CRSPCRISPR THE | 10,000 | $27.3M | 0.00% | Call |