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ACLXGBX · Unknown

Arcellx Inc

USA Unknown Filing: 2026-03-31
22/100
Smart-money confidence1 of 3 sources positive
Bearish — money moving out

No standout activity across the feeds we track.

Hedge funds
29
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
Who's behind the signal
Every informed buyer we can see on ACLXGBX, across all three feeds.
Hedge funds · 5
Soros Fund Management (Soros) New position
Point72 (Steve Cohen) New position
Tudor Investment (Paul Tudor Jones) Increased +905%
Millennium Management (Englander) Increased +5601%
Citadel Advisors Decreased −98%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Not a model pick — but on our radar. ARCELLX INC isn't in the top-10 model right now, but 5 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
5
Investors
2
New positions
2
Increasing
1
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Soros Fund Management (Soros)
Trust weight: 1.5×
New position
% of portfolio
0.4%
Position change
NEW
0.4% of Soros Fund Management's portfolio
Point72 (Steve Cohen)
Trust weight: 1.1×
New position
% of portfolio
0.0%
Position change
NEW
0.0% of Point72's portfolio
Tudor Investment (Paul Tudor Jones)
Trust weight: 1.2×
Increased +905%
% of portfolio
0.3%
Position change
+905%
0.3% of Tudor Investment's portfolio
Millennium Management (Englander)
Trust weight: 1.0×
Increased +5601%
% of portfolio
0.1%
Position change
+5601%
0.1% of Millennium Management's portfolio
Citadel Advisors
Trust weight: 1.0×
Decreased −98%
% of portfolio
0.0%
Position change
−98%
0.0% of Citadel Advisors's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to ARCELLX INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell ARCELLX INC or any security.

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