Rational AGRTLLF
13F holders, Q1 2026 (March 31)1holders
0new positions
0sold out
1famous investor
$716.67avg. 13F price*
At the end of Q1 2026, 1 institutions reported holding Rational AG (RTLLF) in their 13F filings, unchanged from Q4 2025. 0 opened new positions and 0 sold out. The largest holder was Gardner Russo & Quinn ($1.6M). One famous investor held it Tom Russo (0.0% of Gardner Russo & Quinn's portfolio).
- Company
- Rational AG
- CUSIP
- D6349P107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 1,225 shares bought, net +1,225 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1 holders
| Gardner Russo & Quinn | 0.02% | Add +125.6% | 2,200 | $1.6M |
"% of holder's portfolio" is RTLLF's weight in each manager's 13F, not the share of Rational AG the manager owns.