Arcellx, Inc. - COMMON STOCK (ACLX)

Historical Holders from Q1 2022 to Q3 2025

Symbol
ACLX on Nasdaq
Type / Class
Equity / COMMON STOCK
Shares outstanding
57.9M
All holders as of 30 Sep 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
205
Number of buys
86
Number of sells
-101
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. 16.6% +48.2% $867M $300M 9.6M +53% T. Rowe Price Investment Management, Inc. 30 Nov 2025
FMR LLC 10.4% -9.17% $473M -$44.5M 5.76M -8.6% FMR LLC 30 Sep 2025
Elghandour Rami 6.9% $259M 4M Rami Elghandour 27 Feb 2025
VANGUARD GROUP INC 7.25% +18.3% $258M $42.4M 3.99M +19.7% The Vanguard Group 31 Mar 2025
BlackRock, Inc. 6.4% $228M 3.53M BlackRock, Inc. 31 Mar 2025
New Enterprise Associates 15, L.P. 5.51% -18.4% $200M -$45.2M 3.06M -18.4% Scott D. Sandell 12 Aug 2025
PERCEPTIVE ADVISORS LLC 4.5% -16% $162M -$29.4M 2.48M -15.3% Perceptive Advisors LLC 30 Jun 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 $82.10 205
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 -$113M $83.51 185
2024 Q2 50.2M $2.77B +$171M $55.19 164
2024 Q1 47M $3.27B +$35.8M $69.55 180
2023 Q4 46.7M $2.59B -$30M $55.50 154
2023 Q3 47.6M $1.71B -$7.34M $35.88 132
2023 Q2 48.1M $1.52B +$79.4M $31.62 134
2023 Q1 45.6M $1.4B +$114M $30.81 115
2022 Q4 42M $1.3B +$53.8M $30.98 123
2022 Q3 41.7M $783M +$128M $18.77 74
2022 Q2 34.9M $622M +$146M $18.08 67
2022 Q1 26.9M $358M +$358M $14.02 48