OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM holds a focused book of 199 stocks worth $3.4B as of Q4 2025 (disclosed May 15, 2026, a ~135-day 13F lag). Their largest long position is Cyberark Software Ltd/israel at 14% of the equity book. They also disclosed $9.6M in put options (a bearish bet) and $648K in call options (bullish), shown separately below and excluded from the equity book.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
25% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Other tracked managers holding the same core names as OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| MORGAN STANLEY | 64 / 80 | $192.0B |
| JPMORGAN CHASE & CO | 64 / 80 | $185.8B |
| GOLDMAN SACHS GROUP INC | 62 / 80 | $98.2B |
| UBS Group AG | 62 / 80 | $53.1B |
| BNP PARIBAS FINANCIAL MARKETS | 62 / 80 | $20.3B |
| MILLENNIUM MANAGEMENT LLC | 61 / 80 | $8.3B |
| ROYAL BANK OF CANADA | 57 / 80 | $52.5B |
| TWO SIGMA INVESTMENTS, LP | 57 / 80 | $7.3B |
Ranked by how many of OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Cyberark S SHS | $464.2M | 1.04M | 13.8% | — | |
| 2 | Comerica I COM | $287.9M | 3.31M | 8.6% | — | |
| 3 | Dayforce I COM | $283.3M | 4.10M | 8.4% | — | |
| 4 | Avidity Bi COM | $268.1M | 3.72M | 8.0% | — | |
| 5 | Frontier C COM | $262.7M | 6.90M | 7.8% | — | |
| 6 | Air Lease CLA | $195.2M | 3.04M | 5.8% | — | |
| 7 | Hologic In COM | $194.0M | 2.61M | 5.8% | — | |
| 8 | Exact Scie COM | $180.7M | 1.78M | 5.4% | — | |
| 9 | Cadence Ba COM | $125.0M | 2.92M | 3.7% | — | |
| 10 | Confluent CLASS | $120.1M | 3.97M | 3.6% | — | |
| 11 | Exact Scie NOTE0 | $93.7M | 90.00M | 2.8% | — | |
| 12 | Klarna Gro SHS | $72.3M | 2.50M | 2.1% | — | |
| 13 | Cidara The COMNE | $69.7M | 315.5K | 2.1% | — | |
| 14 | Sealed Air COM | $49.5M | 1.20M | 1.5% | — | |
| 15 | Synovus Fi COMNE | $35.0M | 699.2K | 1.0% | — | |
| 16 | Broadcom I COM | $27.3M | 78.9K | 0.8% | — | |
| 17 | Peloton In NOTE2 | $27.1M | 27.35M | 0.8% | — | |
| 18 | Mattel Inc COM | $19.3M | 973.8K | 0.6% | — | |
| 19 | Snowflake NOTE1 | $19.0M | 12.30M | 0.6% | — | |
| 20 | Draftkings NOTE3 | $18.3M | 20.00M | 0.5% | — | |
| 21 | Nvidia Cor COM | $18.1M | 97.1K | 0.5% | — | |
| 22 | American E COM | $15.0M | 130.3K | 0.4% | — | |
| 23 | Centerpoin COM | $14.6M | 381.5K | 0.4% | — | |
| 24 | Alliant En COM | $14.6M | 224.2K | 0.4% | — | |
| 25 | Amicus The COM | $14.2M | 1.00M | 0.4% | — | |
| 26 | CRH PLC ORD | $13.7M | 109.6K | 0.4% | — | |
| 27 | Parker-Han COM | $13.6M | 15.5K | 0.4% | — | |
| 28 | Waste Mgmt COM | $13.6M | 61.7K | 0.4% | — | |
| 29 | Ishares TR RUSSE | $12.8M | 52.0K | 0.4% | — | |
| 30 | Boeing Co COM | $11.2M | 51.5K | 0.3% | — | |
| 31 | Crocs Inc COM | $10.6M | 124.0K | 0.3% | — | |
| 32 | Firstenerg NOTE4 | $10.2M | 10.00M | 0.3% | — | |
| 33 | Talen Ener COM | $9.8M | 26.2K | 0.3% | — | |
| 34 | NextEra En COM | $8.8M | 109.3K | 0.3% | — | |
| 35 | B2gold Cor COM | $8.3M | 1.84M | 0.2% | — | |
| 36 | Palo Alto COM | $8.3M | 45.0K | 0.2% | — | |
| 37 | Southern C NOTE4 | $8.0M | 7.50M | 0.2% | — | |
| 38 | Alphabet I CAPST | $7.8M | 25.0K | 0.2% | — | |
| 39 | Plymouth I COM | $7.7M | 350.7K | 0.2% | — | |
| 40 | Hillenbran COM | $7.6M | 239.2K | 0.2% | — | |
| 41 | Jena Acqui USDCL | $7.1M | 700.0K | 0.2% | — | |
| 42 | Toast Inc CLA | $7.1M | 200.0K | 0.2% | — | |
| 43 | Knight-Swi CLA | $7.0M | 133.9K | 0.2% | — | |
| 44 | Tesla Inc COM | $6.1M | 13.6K | 0.2% | — | |
| 45 | Te Connect ORDSH | $6.0M | 26.4K | 0.2% | — | |
| 46 | Futu Hldgs SPONA | $5.9M | 36.0K | 0.2% | — | |
| 47 | United Air COM | $5.6M | 50.0K | 0.2% | — | |
| 48 | Saia Inc COM | $5.2M | 15.8K | 0.2% | — | |
| 49 | Egh Acquis SHSCL | $5.1M | 500.0K | 0.2% | — | |
| 50 | Mercadolib COM | $5.0M | 2.5K | 0.1% | — |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1132716/holdings"
Use Arkolith to show OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's latest holdings, largest changes, and filing provenance.
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | LUCID GROUP INCLCID | $4.1M | 2.8M |
| PUT · bearish | HERTZ GLOBAL HLDGS INCHTZ | $752K | 1.2M |
| PUT · bearish | SABRE CORPSABR | $706K | 689K |
| PUT · bearish | CHEMOURS CO/THECC | $619K | 47K |
| PUT · bearish | HARLEY-DAVIDSON INCHOG | $550K | 250K |
| PUT · bearish | AMERICAN AIRLINES GROUP INCAAL | $534K | 5.5M |
| PUT · bearish | CHARTER COMMUNICATIONS INC-ACHTR | $510K | 21K |
| CALL · bullish | TRANSOCEAN LTDRIG | $460K | 400K |
| PUT · bearish | FORD MOTOR COF | $448K | 900K |
| PUT · bearish | CROCS INCCROX | $425K | 81K |
| PUT · bearish | TRANSOCEAN LTDRIG | $188K | 483K |
| PUT · bearish | MGM RESORTS INTERNATIONALMGM | $181K | 83K |
| CALL · bullish | COMCAST CORP-CLASS ACMCSA | $173K | 100K |
| PUT · bearish | XPLR INFRASTRUCTURE LPXIFR | $164K | 21K |
| PUT · bearish | B&G FOODS INCBGS | $80K | 114K |
| PUT · bearish | CALUMET INCCLMT | $51K | 175K |
| PUT · bearish | HERBALIFE LTDHLF | $33K | 82K |
| PUT · bearish | STARWOOD PROPERTY TRUST INCSTWD | $30K | 173K |
| PUT · bearish | WISDOMTREE INCWT | $30K | 100K |
| PUT · bearish | FIRSTENERGY CORPFE | $26K | 26K |
| PUT · bearish | VORNADO REALTY TRUSTVNO | $25K | 34K |
| PUT · bearish | CHEESECAKE FACTORY INC/THECAKE | $21K | 20K |
| PUT · bearish | MACY'S INCM | $19K | 80K |
| PUT · bearish | PELOTON INTERACTIVE INC-APTON | $14K | 400K |
| PUT · bearish | ISHARES RUSSELL 2000 ETFIWM | $11K | 45K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 36 option legs.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q4 2025 | Dec 31, 2025 | May 15, 2026 | 235 | $3.4B | 13F-HR/A |
| Q3 2025 | Sep 30, 2025 | May 15, 2026 | 272 | $2.5B | 13F-HR/A |
| Q2 2025 | Jun 30, 2025 | May 15, 2026 | 366 | $3.6B | 13F-HR/A |
| Q1 2025 | Mar 31, 2025 | May 15, 2026 | 322 | $4.2B | 13F-HR/A |
| Q4 2024 | Dec 31, 2024 | Feb 13, 2026 | 419 | $4.0B | 13F-HR/A |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2025 | 499 | $4.1B | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.