Institutional Ownership Arcellx, Inc. (ACLX)
This table provides information about the institutional ownership of Arcellx, Inc. (ACLX). We have compiled data on the 226 institutions that hold shares in the stock, with a total of 51.4 Million shares, which have been reported (via 13F filing form) to have a value of $4.62 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
6,352,356
shares
|
$572 Million
0.32% of portfolio
|
Q3 2025
Added 226.81%
|
|
|
Paradigm Biocapital Advisors LP
New York, NY |
Nov 14, 2025 Q3 2025 |
4,649,016
shares
|
$418 Million
12.3% of portfolio
|
Q2 2025
Added 3.49%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Nov 07, 2025 Q3 2025 |
3,907,087
shares
|
$352 Million
0.0% of portfolio
|
Q3 2025
Reduced 0.96%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
3,516,364
shares
|
$316 Million
0.0% of portfolio
|
Q2 2024
Added 14.69%
|
|
|
Nea Management Company, LLC
Timonium, MD |
Nov 14, 2025 Q3 2025 |
3,045,262
shares
|
$274 Million
15.63% of portfolio
|
Q3 2025
Reduced 18.69%
|
|
|
Ra Capital Management, L.P.
Boston, MA |
Nov 14, 2025 Q3 2025 |
3,036,527
shares
|
$273 Million
4.28% of portfolio
|
Q1 2025
Added 8.94%
|
|
|
Perceptive Advisors LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
2,468,353
shares
|
$222 Million
0.45% of portfolio
|
Q3 2025
Reduced 0.39%
|
|
|
Sr One Capital Management, LP
|
Nov 12, 2025 Q3 2025 |
2,346,630
shares
|
$211 Million
44.32% of portfolio
|
Q1 2024
Reduced 25.42%
|
|
|
State Street Corp
Boston, MA |
Nov 14, 2025 Q3 2025 |
1,526,027
shares
|
$137 Million
0.0% of portfolio
|
Q3 2025
Reduced 4.16%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
1,264,051
shares
|
$114 Million
0.01% of portfolio
|
Q3 2025
Reduced 12.14%
|
|
|
Vestal Point Capital, LP
New York, NY |
Nov 14, 2025 Q3 2025 |
1,250,000
shares
|
$112 Million
4.63% of portfolio
|
Q3 2025
Reduced 54.55%
|
|
|
Aju Ib Investment Co., Ltd.
Seoul, M5 |
Nov 05, 2025 Q3 2025 |
1,047,557
shares
|
$94.3 Million
74.72% of portfolio
|
Q4 2024
Reduced 24.14%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
Nov 14, 2025 Q3 2025 |
1,021,453
shares
|
$91.9 Million
0.01% of portfolio
|
Q3 2025
Added 414.94%
|
|
|
Janus Henderson Group PLC
London, X0 |
Nov 14, 2025 Q3 2025 |
1,013,921
shares
|
$91.2 Million
0.04% of portfolio
|
Q3 2025
Reduced 0.94%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Nov 12, 2025 Q3 2025 |
926,304
shares
|
$83.3 Million
0.01% of portfolio
|
Q3 2025
Reduced 3.69%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 26, 2025 Q3 2025 |
882,503
shares
|
$79.4 Million
0.0% of portfolio
|
Q3 2025
Added 29.1%
|
|
|
Capital World Investors
Los Angeles, CA |
Nov 13, 2025 Q3 2025 |
783,011
shares
|
$70.5 Million
0.01% of portfolio
|
Q2 2025
Added 10.38%
|
|
|
Cormorant Asset Management, LP
Boston, MA |
Nov 14, 2025 Q3 2025 |
775,000
shares
|
$69.7 Million
10.13% of portfolio
|
Q3 2025
Reduced 3.13%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
556,408
shares
|
$50.1 Million
0.02% of portfolio
|
Q2 2023
Reduced 45.89%
|
|
|
Bamco Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
550,236
shares
|
$49.5 Million
0.13% of portfolio
|
Q3 2025
Added 6.22%
|
|
|
Schonfeld Strategic Advisors LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
500,315
shares
|
$45 Million
0.27% of portfolio
|
Q3 2025
Added 44.3%
|
|
|
Affinity Asset Advisors, LLC
New York, NY |
Nov 13, 2025 Q3 2025 |
500,000
shares
|
$45 Million
4.76% of portfolio
|
Q3 2025
Added 1.01%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Nov 14, 2025 Q3 2025 |
448,441
shares
|
$40.4 Million
0.0% of portfolio
|
Q3 2025
Reduced 12.17%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
432,882
shares
|
$39 Million
0.0% of portfolio
|
Q3 2025
Reduced 16.35%
|
|
|
Lord, Abbett & Co. LLC
Jersey City, NJ |
Nov 13, 2025 Q3 2025 |
424,000
shares
|
$38.2 Million
0.1% of portfolio
|
Q3 2025
Added 25.6%
|
|