Across its top 1 institutional holders, UPRXX's holder base skews toward high-concentration, low-turnover investors on average (avg. concentration score 55/100, avg. turnover score 10/100).
Quarterly Activity
Recent Activity
+$579.0K
Total Buy Value
$0.0
Total Sell Value
New buy0
Trim0
Add1
Sold out0
1
Net Buyers
0
Net Sellers
Smart Money Convergence
UPRXX does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-03-31 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
Insider Trading (Form 4)
Form 144 Pre-Sale Notices
No Form 144 planned sale filings in the last 90 days
Beneficial Ownership (13D/13G)
No Schedule 13D/13G filings for this ticker
Material Events (8-K)
No Form 8-K filings for this ticker
CUSIP
90262Y786
FAQ
Who are the top institutional investors holding UBS PRIME RESERVES FUND (UPRXX)?
Major stakeholders currently include Reik & Co., LLC ($579.0K). Based on the latest 13F filings, there are a total of 1 tracked investment funds and institutions maintaining positions in UPRXX.
What is the overall institutional sentiment toward UPRXX recently?
Institutional sentiment appears Bullish (Net Buying). During the most recent reporting quarter, the stock experienced a net inflow of $5.2K, driven by 1 managers accumulating shares while 0 reduced their exposure.
Which institutions have been selling or reducing their UPRXX positions?
In the latest period, no tracked funds trimmed or exited their positions in UPRXX.
Are there any notable investors adding UPRXX to their portfolios?
Yes, buying activity remains notable. 0 institutions opened new positions in {ticker}, and 1 existing holders added to their shares. The total reported buy value for the quarter amounted to $579.0K.
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