RTLLF Institutional Ownership & Shareholders
Rational AG (RTLLF) is currently held by 1 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $1.61M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Gardner Russo & Quinn is currently the largest disclosed institutional shareholder of RTLLF tracked by InsiderSet, reporting ownership valued at approximately $1.61M in its June 30, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed RTLLF value among the investors covered in this analysis. Major shareholders include Gardner Russo & Quinn, and several other long-term asset managers with concentrated positions in Rational AG (RTLLF).
This page ranks the largest institutional RTLLF shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
1
Total Reported Value
$1.61M
Largest Holder
Gardner Russo & Quinn
Largest Position
$1.61M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
1
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Gardner Russo & Quinn | Thomas Russo | 0.02% | 2,200 | $1,611,024 | — | — | — |
Frequently asked questions about RTLLF
Who are the largest institutional holders of RTLLF?
The largest institutional holders of RTLLF reported in the latest SEC Form 13F filings include Gardner Russo & Quinn. InsiderSet ranks institutional holders by their latest reported RTLLF position.
What is RTLLF institutional ownership?
This page tracks RTLLF positions reported by institutional investment managers through SEC Form 13F. Rational AG (RTLLF) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own RTLLF?
InsiderSet currently tracks 1 institutional managers reporting RTLLF holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of RTLLF shareholders.
How much RTLLF stock do institutions own?
Institutional investment managers disclosed approximately $1.61M in RTLLF holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was RTLLF institutional ownership last updated?
The latest RTLLF institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional RTLLF holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its RTLLF position after the reporting date.
Are institutions buying or selling RTLLF?
Institutional buying and selling can be analyzed by comparing RTLLF positions across consecutive 13F reporting periods. InsiderSet's RTLLF Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View RTLLF ownership changes.
How has RTLLF institutional ownership changed over time?
InsiderSet tracks RTLLF institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.