# UBS Raised Its Bitcoin Fund Call Options 24-Fold as Institutions Shifted How They Hold the Asset

Quarterly filings show the Swiss bank cutting puts by roughly half, Tudor buying back into BlackRock's fund after a year of selling, and Abu Dhabi's Mubadala holding a $490 million position.

- Published: 2026-08-16T05:37:57.333Z
- Canonical: https://polylog.news/crypto/2026-08-16/ubs-raised-its-bitcoin-fund-call-options-24-fold-as-institut
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CoinDesk (UBS)](https://www.coindesk.com/business/2026/08/15/swiss-mega-bank-ubs-ramps-up-its-bitcoin-exposure-with-a-massive-24-fold-surge-in-etf-call-options), [CoinDesk (Tudor)](https://www.coindesk.com/business/2026/08/15/paul-tudor-jones-investment-firm-increases-blackrock-s-bitcoin-etf-stake-after-year-of-selling), [CryptoSlate](https://cryptoslate.com/bitcoin-etf-holdings-four-position-patterns/), [Bitcoin Magazine (Abu Dhabi)](https://bitcoinmagazine.com/news/abu-dhabi-funds-keep-big-bitcoin-positions), [Bitcoin Magazine (Edelman, Tudor)](https://bitcoinmagazine.com/news/edelman-financial-reveals-bitcoin-positio), [crypto.news (Dartmouth)](https://crypto.news/dartmouth-crypto-etf-holdings-drop-15-percent-in-q2/)

The quarterly position disclosures United States institutions file for 30 June are now public, and they describe a shift in instrument more than in conviction. UBS increased its call options on BlackRock's bitcoin fund 24-fold, raised direc…

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