Who Owns Rubico Inc. (RUBI)?Hedge Fund & Institutional Holders
Institutional Holders
4
as of Q4 2025
Total Institutional Value
$4.0M
% of Float Held
87772402.6%
QoQ Change in Holders
+3 / -4
Price History
RUBI — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| JANE STREET GROUP, LLC | New Position | +32K | +$0 |
| TUCKER ASSET MANAGEMENT LLC | New Position | +50 | +$0 |
| BANK OF AMERICA CORP /DE/ | New Position | +3 | +$0 |
| UBS Group AG | Increased | +4K | +$-17K |
RUBI — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | Closed Position | -21K | -$44.2M |
| Walleye Capital LLC | Closed Position | -20K | -$42.4M |
| Federation des caisses Desjardins du Quebec | Closed Position | -352 | -$746K |
| Tower Research Capital LLC (TRC) | Closed Position | -75 | -$159K |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | UBS Group AG | 4,406 | $4K | 0.00% | Share |
| 2 | JANE STREET GROUP, LLC | 32,382 | $0 | 0.00% | Share |
| 3 | BANK OF AMERICA CORP /DE/ | 3 | $0 | 0.00% | Share |
| 4 | TUCKER ASSET MANAGEMENT LLC | 50 | $0 | 0.00% | Share |
RUBI Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 4 | $4K | -1 |
| Q3 2025 | 5 | $87.4M | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 4 institutional investors hold RUBI (Rubico Inc.). The largest holder is UBS Group AG with $4K in shares. This quarter, 3 institutions opened new positions and 4 closed their positions.
Frequently Asked Questions
How many hedge funds own RUBI?
As of Q4 2025, 4 institutional investors report holding RUBI (Rubico Inc.) in their 13F filings.
Who is the largest institutional holder of RUBI?
The largest institutional holder of RUBI is UBS Group AG with $4K in shares.
Is institutional ownership of RUBI increasing or decreasing?
This quarter, 3 institutions opened new positions in RUBI and 4 closed their positions.