ACHL Institutional Ownership & Shareholders
ACHILLES THERAPEUTICS PL-ADR (ACHL) is currently held by 1 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $6,629 based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Rhumbline Advisers is currently the largest disclosed institutional shareholder of ACHL tracked by InsiderSet, reporting ownership valued at approximately $6,629 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 ACHL value among the investors covered in this analysis. Major shareholders include Rhumbline Advisers, and several other long-term asset managers with concentrated positions in ACHILLES THERAPEUTICS PL-ADR (ACHL).
This page ranks the largest institutional ACHL 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
$6,629
Largest Holder
Rhumbline Advisers
Largest Position
$6,629
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
4
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Rhumbline Advisers | 0.00% | 4,480 | $6,629 | — | — | — |
Frequently asked questions about ACHL
Who are the largest institutional holders of ACHL?
The largest institutional holders of ACHL reported in the latest SEC Form 13F filings include Rhumbline Advisers. InsiderSet ranks institutional holders by their latest reported ACHL position.
What is ACHL institutional ownership?
This page tracks ACHL positions reported by institutional investment managers through SEC Form 13F. ACHILLES THERAPEUTICS PL-ADR (ACHL) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ACHL?
InsiderSet currently tracks 1 institutional managers reporting ACHL 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 ACHL shareholders.
How much ACHL stock do institutions own?
Institutional investment managers disclosed approximately $6,629 in ACHL holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ACHL institutional ownership last updated?
The latest ACHL 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 ACHL 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 ACHL position after the reporting date.
Are institutions buying or selling ACHL?
Institutional buying and selling can be analyzed by comparing ACHL positions across consecutive 13F reporting periods. InsiderSet's ACHL Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ACHL ownership changes.
How has ACHL institutional ownership changed over time?
InsiderSet tracks ACHL institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.