Holders — by stockHoldings — by fund
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2025-12-31 · filed with the SEC up to 45 days after quarter end · CIK 0001132716
$857.8M
disclosed book value
215
positions
10.9%
largest position share
Positions, as of 2025-12-31
top 100 of 215 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | EXAS 0.375 03/15/27EXACT SCIE | 90.0M | $93.7M | 10.9% |
| 2 | CDTXCIDARA THE | 315,474 | $69.7M | 8.1% |
| 3 | SYU1SYNOVUS FI | 699,181 | $35.0M | 4.1% |
| 4 | AVGOBROADCOM I | 78,896 | $27.3M | 3.2% |
| 5 | PTON 0 02/15/26PELOTON IN | 27.4M | $27.1M | 3.2% |
| 6 | MATMATTEL INC | 973,829 | $19.3M | 2.3% |
| 7 | SNOW 0 10/01/29SNOWFLAKE | 12.3M | $19.0M | 2.2% |
| 8 | DKNG 0 03/15/28DRAFTKINGS | 20.0M | $18.3M | 2.1% |
| 9 | NVDANVIDIA COR | 97,116 | $18.1M | 2.1% |
| 10 | AEPAMERICAN E | 130,250 | $15.0M | 1.8% |
| 11 | CNPCENTERPOIN | 381,495 | $14.6M | 1.7% |
| 12 | LNTALLIANT EN | 224,205 | $14.6M | 1.7% |
| 13 | AM6AMICUS THE | 1.0M | $14.2M | 1.7% |
| 14 | CRHCRH PLC | 109,645 | $13.7M | 1.6% |
| 15 | PHPARKER-HAN | 15,460 | $13.6M | 1.6% |
| 16 | WMWASTE MGMT | 61,675 | $13.6M | 1.6% |
| 17 | IWMISHARES TR | 52,000 | $12.8M | 1.5% |
| 18 | BABOEING CO | 51,535 | $11.2M | 1.3% |
| 19 | CROXCROCS INC | 124,000 | $10.6M | 1.2% |
| 20 | FE 4 05/01/26FIRSTENERG | 10.0M | $10.2M | 1.2% |
| 21 | TLNTALEN ENER | 26,225 | $9.8M | 1.1% |
| 22 | NEENEXTERA EN | 109,300 | $8.8M | 1% |
| 23 | BTGB2GOLD COR | 1.8M | $8.3M | 1% |
| 24 | PANWPALO ALTO | 45,000 | $8.3M | 1% |
| 25 | SO 4.5 06/15/27SOUTHERN C | 7.5M | $8.0M | 0.9% |
| 26 | GOOGLALPHABET I | 25,010 | $7.8M | 0.9% |
| 27 | JENAJENA ACQUI | 700,000 | $7.1M | 0.8% |
| 28 | TOSTTOAST INC | 200,000 | $7.1M | 0.8% |
| 29 | KNXKNIGHT-SWI | 133,935 | $7.0M | 0.8% |
| 30 | TSLATESLA INC | 13,617 | $6.1M | 0.7% |
| 31 | TELTE CONNECT | 26,355 | $6.0M | 0.7% |
| 32 | FUTUFUTU HLDGS | 36,021 | $5.9M | 0.7% |
| 33 | UALUNITED AIR | 50,000 | $5.6M | 0.7% |
| 34 | SAIASAIA INC | 15,840 | $5.2M | 0.6% |
| 35 | EGHAEGH ACQUIS | 500,000 | $5.1M | 0.6% |
| 36 | MELIMERCADOLIB | 2,500 | $5.0M | 0.6% |
| 37 | FLSFLOWSERVE | 72,341 | $5.0M | 0.6% |
| 38 | HONHONEYWELL | 25,712 | $5.0M | 0.6% |
| 39 | LYVLIVE NATIO | 34,200 | $4.9M | 0.6% |
| 40 | GTENGORES HLDG | 474,941 | $4.9M | 0.6% |
| 41 | CEPVCANTOR EQU | 450,000 | $4.6M | 0.5% |
| 42 | AXTAAXALTA COA | 140,600 | $4.5M | 0.5% |
| 43 | ETRENTERGY CO | 48,830 | $4.5M | 0.5% |
| 44 | URIUNITED REN | 5,400 | $4.4M | 0.5% |
| 45 | AGRICULTUR | 384,160 | $4.3M | 0.5% |
| 46 | BKNGBOOKING HO | 800 | $4.3M | 0.5% |
| 47 | CEGCONSTELLAT | 12,100 | $4.3M | 0.5% |
| 48 | LCIDLUCID GROUPUT | 2.8M | $4.1M | 0.5% |
| 49 | HWMHOWMET AER | 20,000 | $4.1M | 0.5% |
| 50 | DALDELTA AIR | 58,731 | $4.1M | 0.5% |
| 51 | BLZRTRAILBLAZE | 400,000 | $4.0M | 0.5% |
| 52 | SNPSSYNOPSYS I | 8,000 | $3.8M | 0.4% |
| 53 | COHRCOHERENT C | 20,257 | $3.7M | 0.4% |
| 54 | INTCINTEL CORP | 100,000 | $3.7M | 0.4% |
| 55 | VRTVERTIV HOL | 22,057 | $3.6M | 0.4% |
| 56 | PDDPDD HOLDIN | 31,107 | $3.5M | 0.4% |
| 57 | NEWHOLD IN | 324,604 | $3.4M | 0.4% |
| 58 | TMSLIVE OAK A | 324,923 | $3.3M | 0.4% |
| 59 | OACCOAKTREE AC | 300,000 | $3.2M | 0.4% |
| 60 | TKOTKO GROUP | 15,000 | $3.1M | 0.4% |
| 61 | GFUZSPRING VY | 300,000 | $3.0M | 0.4% |
| 62 | NCLHNORWEGIAN | 135,000 | $3.0M | 0.4% |
| 63 | APHAMPHENOL C | 22,110 | $3.0M | 0.3% |
| 64 | FSLRFIRST SOLA | 11,300 | $3.0M | 0.3% |
| 65 | CHRWC H ROBINS | 18,170 | $2.9M | 0.3% |
| 66 | ACELACCEL ENTE | 246,728 | $2.8M | 0.3% |
| 67 | GPATGP-ACT III | 250,000 | $2.7M | 0.3% |
| 68 | AAMAA MISSION | 250,000 | $2.7M | 0.3% |
| 69 | SVCCSTELLAR V | 250,000 | $2.6M | 0.3% |
| 70 | BLUWBLUE WTR A | 250,000 | $2.6M | 0.3% |
| 71 | FACCARTESIAN | 250,000 | $2.6M | 0.3% |
| 72 | NPACNEW PROVID | 250,000 | $2.6M | 0.3% |
| 73 | PFEPFIZER INC | 102,623 | $2.6M | 0.3% |
| 74 | CCAQDUNE ACQUI | 250,000 | $2.5M | 0.3% |
| 75 | FTWEQV VENTUR | 242,175 | $2.5M | 0.3% |
| 76 | TVAITHAYER VEN | 250,000 | $2.5M | 0.3% |
| 77 | TLNCTALON CAP | 250,000 | $2.5M | 0.3% |
| 78 | OBAOXLEY BRID | 250,000 | $2.5M | 0.3% |
| 79 | PACHPIONEER AC | 250,000 | $2.5M | 0.3% |
| 80 | SOCASOLARIUS C | 250,000 | $2.5M | 0.3% |
| 81 | GEVGE VERNOVA | 3,834 | $2.5M | 0.3% |
| 82 | MBVIM3-BRIGADE | 250,000 | $2.5M | 0.3% |
| 83 | HVMCHIGHVIEW M | 250,000 | $2.5M | 0.3% |
| 84 | KOYNCSLM DIGIT | 250,000 | $2.5M | 0.3% |
| 85 | BEAGBOLD EAGLE | 219,217 | $2.3M | 0.3% |
| 86 | TJXTJX COS IN | 15,000 | $2.3M | 0.3% |
| 87 | RNGTRANGE CAP | 225,000 | $2.2M | 0.3% |
| 88 | ASMLASML HOLDI | 2,000 | $2.1M | 0.2% |
| 89 | WABWABTEC | 10,000 | $2.1M | 0.2% |
| 90 | CHURCHILL | 199,274 | $2.1M | 0.2% |
| 91 | ATIIARCHIMEDES | 200,000 | $2.1M | 0.2% |
| 92 | GSHRGESHER ACQ | 200,000 | $2.0M | 0.2% |
| 93 | CCIICOHEN CIRC | 200,000 | $2.0M | 0.2% |
| 94 | BACCBLUE ACQUI | 200,000 | $2.0M | 0.2% |
| 95 | CRAQCAL REDWOO | 200,000 | $2.0M | 0.2% |
| 96 | D. BORAL A | 200,000 | $2.0M | 0.2% |
| 97 | CHKPCHECK POIN | 10,370 | $1.9M | 0.2% |
| 98 | BURLBURLINGTON | 6,500 | $1.9M | 0.2% |
| 99 | CEPFCANTOR EQU | 174,570 | $1.8M | 0.2% |
| 100 | AXINAXIOM INTE | 175,000 | $1.8M | 0.2% |
Source: SEC Form 13F-HR, reporting period 2025-12-31. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.