Rubico Inc.
RUBI- Exchange
- Nasdaq
- Industry
- Water Transportation
- SEC CIK
- 0001943421
No open-market purchases or sales by Rubico Inc. insiders were filed in the last 90 days; 3 institutions reported holding it in 13F filings for Q2 2026, worth $207.5K in total; no superinvestor holds it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −2 vs. previous quarter
- 3
- 13F valueReported value at the end of Q2 2026
- $207.5K
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding RUBI, Q2 2026
No superinvestor reported holding RUBI at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Rubico Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 16, 2026 (view filing) | Jun 11 | 5 daysLate | HRT Financial LP10% Owner | PPurchase | +485.0K | $0.81 | +$392.8K | New position384.9K after | |
| Jun 16, 2026 (view filing) | Jun 12 | 4 days | HRT Financial LP10% Owner | SSale | −551.0K | $0.95 | −$523.5K | −100.0%0 after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Rubico Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cable Car Capital LLC | 30,000 | $162.9K | 0.00% | +30,000 | New |
| UBS Group AG | 8,211 | $44.6K | 0.00% | +3,810+86.6% | Added |
| Royal Bank of Canada | 78 | $0 | 0.00% | +78 | New |