Institutional Ownership
Arcellx Inc
CUSIP 03940C100COMMON STOCKACLXGBXQ1 2026
Institutional Holders
230
13F filers
Shares Held
51.32M
Aggregate institutional
Institutional Value
$5.41B
Q1 2026
Net New Holders
+17
86 new · 69 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions86
Increased62
Decreased56
Sold out69
Institutional Holders
230 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Gilead Sciences, Inc. | 6.72M | $771.68M | 0 | Held |
| 2 | Paradigm Biocapital Advisors LP | 5.77M | $662.97M | +50.0K | Added |
| 3 | Blackrock, Inc. | 3.95M | $452.99M | +396.5K | Added |
| 4 | Nea Management Company, LLC | 3.05M | $349.66M | 0 | Held |
| 5 | Pentwater Capital Management LP | 2.87M | $329.53M | +2.87M | New |
| 6 | Sr One Capital Management, LP | 2.35M | $269.44M | 0 | Held |
| 7 | Fil Ltd | 2.34M | $268.59M | +2.34M | New |
| 8 | Hbk Investments L P | 2.28M | $261.62M | +2.28M | New |
| 9 | State Street Corp | 1.68M | $192.43M | −322.6K | Reduced |
| 10 | Goldman Sachs Group Inc | 1.31M | $150.66M | +643.7K | Added |
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