Arcellx, Inc. - COMMON STOCK (ACLX)

Historical Holders from Q1 2022 to Q3 2025

Symbol
ACLX on Nasdaq
CUSIP
03940C100
Type / Class
Equity / COMMON STOCK
Shares outstanding
55.4M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
63M
Holdings value
$5.18B
% of all portfolios
0.009%
Grand Portfolio weight change
+0%
Number of holders
203
Number of buys
85
Number of sells
-100
Average Value change %
+0%
Average buys %
+0.004%
Average sells %
-0.002%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Arcellx, Inc. - COMMON STOCK (ACLX)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
T. Rowe Price Investment Management, Inc. 11.3% $465M 6.28M T. Rowe Price Investment Management, Inc. Aug 31, 2025
FMR LLC 10.4% -9.17% $473M -$44.5M 5.76M -8.6% FMR LLC Sep 30, 2025
Elghandour Rami 6.9% $236M 4M Rami Elghandour Feb 27, 2025
VANGUARD GROUP INC 7.25% +18.3% $236M $38.7M 3.99M +19.7% The Vanguard Group Mar 31, 2025
BlackRock, Inc. 6.4% $209M 3.53M BlackRock, Inc. Mar 31, 2025
New Enterprise Associates 15, L.P. 5.51% -18.4% $226M -$51.1M 3.06M -18.4% Scott D. Sandell Aug 12, 2025
PERCEPTIVE ADVISORS LLC 4.5% -16% $184M -$33.2M 2.48M -15.3% Perceptive Advisors LLC Jun 30, 2025

Institutional Holders of Arcellx, Inc. - COMMON STOCK (ACLX)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 63M $5.18B +$191M $82.10 203
2025 Q2 60.8M $4.01B -$46.7M $65.85 200
2025 Q1 61.6M $4.04B +$147M $65.60 195
2024 Q4 59.2M $4.54B +$128M $76.69 208
2024 Q3 49.5M $4.13B -$114M $83.51 187
2024 Q2 50.2M $2.77B +$169M $55.19 165
2024 Q1 45.9M $3.19B +$27.2M $69.55 139
2023 Q4 96.7K $5.36M +$2.19M $55.50 2
2023 Q3 47.6M $1.71B -$17.2M $35.88 132
2023 Q2 48.1M $1.52B +$79.5M $31.62 134
2023 Q1 45.6M $1.4B +$114M $30.81 115
2022 Q4 41.9M $1.3B +$52M $30.98 122
2022 Q3 41.6M $780M +$126M $18.77 71
2022 Q2 33.1M $589M +$136M $18.08 65
2022 Q1 14.9M $209M +$208M $14.02 44