UBS Prime Reserves FundUPRXX
13F holders, Q4 2025 (December 31)1holders
0new positions
0sold out
$1.00avg. 13F price*
At the end of Q4 2025, 1 institutions reported holding UBS Prime Reserves Fund (UPRXX) in their 13F filings, unchanged from Q3 2025. 0 opened new positions and 0 sold out. The largest holder was Reik & Co., LLC ($574K).
- Company
- UBS Prime Reserves Fund
- Filed as
- UBS MONEY SER PRIME RESRV FD (Q4 2025)
- CUSIP
- 90262Y786
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q3 2025 → Q4 2025: 43,538 shares sold, net −43,538 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| Reik & Co., LLC | 0.16% | Reduce -7.0% | 573,838 | $574K |
"% of holder's portfolio" is UPRXX's weight in each manager's 13F, not the share of UBS Prime Reserves Fund the manager owns.