ACLXGBX Institutional Ownership
ARCELLX INC
Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred
from changes in reported shares when available; it is not a list of individual trades or exact execution prices.
Form 13F rows are quarter-end holding context only and do not establish an exact entry date.
Free access includes current parsed ownership filings, reported share changes, and ownership-percentage changes.
Filing-specific significance scoring, disclosure-speed analysis, confirmation/divergence signals, and signal alerts require Investor or Pro. The overall institutional consensus preview remains public.
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Cross-institution intelligence
Institutional Research
Each institution is compared with its own prior filing, then the latest institution-level directions are compared for breadth.
Latest filing
Mar 6, 2026
Public consensus preview
Reduction leaning
30/100 institutional research score
2 tracked institutions
Latest filing Mar 6, 2026
1 reducing across 1 comparable institution.
Accumulating0
Unchanged0
Reducing1
Exited0
The overall consensus is public. Detailed holder comparisons, breadth history, ownership charts, and filing-specific signal analysis remain part of Investor and Pro research.
Price context
52-week position is market context and does not change the institutional consensus score.
52-week range data is not available for this security yet.
Tracked institutions
Public holder names and filing freshness. Detailed institution-by-institution analysis is locked.
Fidelity / FMR
Mar 6, 2026 filed
T. Rowe Price Investment Management
Mar 6, 2026 filed
Beneficial ownership filing history
Showing 3 of 5 parsed filing(s) · 2 older require more history access| Holder | Observed / filed | Reported change | Shares | Ownership | Observation | Filing | Latest |
|---|---|---|---|---|---|---|---|
| T. Rowe Price Investment Management CIK0001897612 | Feb 28, 2026 observed Mar 6, 2026 filed · 6d Schedule 13G amendment | Reported reduction | 2.7M -7.9M | 12.00% -6.30 pts | |||
| Fidelity / FMR CIK0000315066 | Feb 27, 2026 observed Mar 6, 2026 filed · 7d Schedule 13G amendment | Earliest Schedule 13G amendment found | 309 | 12.00% | |||
| T. Rowe Price Investment Management CIK0001897612 | Dec 31, 2025 observed Feb 17, 2026 filed · 48d Schedule 13G amendment | Reported accumulation | 10.6M +955.8K | 18.30% +1.70 pts |
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