UBS Group increased its stake in MSTR to 6.31 million shares, with total holdings valued at $1.12B

According to U.Today on May 9, citing 13F filings, UBS Group has, this week, filed its latest quarterly 13F report with the U.S. Securities and Exchange Commission (SEC). The filing shows that UBS added 551,121 shares of Strategy (MSTR), worth about $98 million, bringing its total MSTR holdings to 6.31 million shares, valued at approximately $1.12 billion based on current pricing.

UBS 13F filing: Full record of MSTR quarterly adds

(Source: SEC)

Based on the SEC 13F filings cited by U.Today, UBS Group’s record of changes in its Strategy holdings in 2026 is as follows:

January 2026: Held 2.52 million shares, with a market value of about $415 million

February 2026: Added 3.23 million shares, bringing total holdings to 5.76 million shares, with a market value of about $805 million

May 2026 (this disclosure): Added 551k shares, bringing total holdings to 6.31 million shares, with a market value of about $1.12 billion

UBS Group is Switzerland’s largest bank with total assets of $6.6 trillion. The above data show that the market value of its MSTR holdings has grown by more than 1.7x since January 2026.

Strategy Bitcoin treasury size

According to public data, Strategy is led by Chairman and CEO Michael Saylor. As of mid-2025, it holds about 640k BTC, accounting for about 3% of Bitcoin’s total circulating supply. Its unrealized gains are about $26 billion, making it the largest known corporate Bitcoin holder at present. According to Strategy’s announcements, the company provides funding for Bitcoin purchases by issuing convertible bonds, preferred stock, and issuing shares at market price (ATM).

13F also first reveals XRP holdings

According to the same SEC 13F filing cited by U.Today, UBS Group also first formally reported to the SEC that it holds XRP. U.Today reports that, compared with the overall size of UBS’s wealth management business, the disclosed XRP holding size is relatively small—this is the first time UBS Group has officially filed XRP holdings with the SEC, currently known.

FAQ

What are the specific figures and sources for UBS Group’s MSTR add this time?

According to U.Today’s May 9, 2026 report, the source is UBS Group’s latest 13F quarterly filing submitted to the SEC this week. In this add, UBS added 551,121 shares of Strategy, worth about $98 million, bringing UBS’s total holdings to 6.31 million shares, valued at about $1.12 billion.

What is the MSTR add timeline for UBS Group in 2026?

According to the SEC 13F filing records, in January 2026 UBS held 2.52 million shares (market value about $415 million); in February it added 3.23 million shares to reach 5.76 million shares (market value about $805 million). In May, its latest disclosure again added 551k shares to reach 6.31 million shares (market value about $1.12 billion).

What other crypto-asset positions does UBS disclose in the same 13F filing?

According to the SEC 13F filing cited by U.Today, in addition to MSTR, UBS Group also for the first time formally reports that it holds XRP. The specific size is relatively small compared with its overall wealth management business. This is the first time UBS Group has officially filed XRP holdings with the SEC, currently known.