Institutional Ownership Arcellx, Inc. (ACLX)
This table provides information about the institutional ownership of Arcellx, Inc. (ACLX). We have compiled data on the 215 institutions that hold shares in the stock, with a total of 48.7 Million shares, which have been reported (via 13F filing form) to have a value of $3.55 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Paradigm Biocapital Advisors LP
New York, NY |
Aug 14, 2025 Q2 2025 |
4,649,016
shares
|
$339 Million
14.29% of portfolio
|
Q2 2025
Added 3.49%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Aug 11, 2025 Q2 2025 |
3,944,885
shares
|
$287 Million
0.0% of portfolio
|
Q2 2025
Reduced 1.01%
|
|
|
Nea Management Company, LLC
Timonium, MD |
Aug 14, 2025 Q2 2025 |
3,745,262
shares
|
$273 Million
20.45% of portfolio
|
Q2 2023
Reduced 21.07%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
3,516,364
shares
|
$256 Million
0.0% of portfolio
|
Q2 2024
Added 14.69%
|
|
|
Ra Capital Management, L.P.
Boston, MA |
Aug 14, 2025 Q2 2025 |
3,036,527
shares
|
$221 Million
4.37% of portfolio
|
Q1 2025
Added 8.94%
|
|
|
Perceptive Advisors LLC
New York, NY |
Aug 14, 2025 Q2 2025 |
2,478,000
shares
|
$181 Million
7.17% of portfolio
|
Q2 2025
Reduced 15.32%
|
|
|
Vestal Point Capital, LP
New York, NY |
May 15, 2025 Q1 2025 |
2,387,720
shares
|
$174 Million
11.19% of portfolio
|
Q1 2025
Added 402.68%
|
|
|
Sr One Capital Management, LP
|
Aug 14, 2025 Q2 2025 |
2,346,630
shares
|
$171 Million
55.41% of portfolio
|
Q1 2024
Reduced 25.42%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
1,943,726
shares
|
$142 Million
0.08% of portfolio
|
Q2 2025
Added 16.73%
|
|
|
State Street Corp
Boston, MA |
Aug 14, 2025 Q2 2025 |
1,592,313
shares
|
$116 Million
0.0% of portfolio
|
Q2 2025
Reduced 4.45%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Aug 14, 2025 Q2 2025 |
1,438,773
shares
|
$105 Million
0.01% of portfolio
|
Q2 2025
Reduced 21.79%
|
|
|
Aju Ib Investment Co., Ltd.
Seoul, M5 |
Jul 10, 2025 Q2 2025 |
1,047,557
shares
|
$76.3 Million
75.3% of portfolio
|
Q4 2024
Reduced 24.14%
|
|
|
Janus Henderson Group PLC
London, X0 |
Aug 14, 2025 Q2 2025 |
1,023,582
shares
|
$74.6 Million
0.03% of portfolio
|
Q2 2025
Reduced 32.24%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Aug 08, 2025 Q2 2025 |
961,778
shares
|
$70.1 Million
0.0% of portfolio
|
Q2 2025
Reduced 5.76%
|
|
|
Cormorant Asset Management, LP
Boston, MA |
Aug 14, 2025 Q2 2025 |
800,000
shares
|
$58.3 Million
5.31% of portfolio
|
Q2 2025
Reduced 23.81%
|
|
|
Capital World Investors
Los Angeles, CA |
Aug 13, 2025 Q2 2025 |
783,011
shares
|
$57.1 Million
0.01% of portfolio
|
Q2 2025
Added 10.38%
|
|
|
Jpmorgan Chase & CO
New York, NY |
May 12, 2025 Q1 2025 |
683,581
shares
|
$49.8 Million
0.0% of portfolio
|
Q1 2025
Added 204.55%
|
|
|
Pictet Asset Management Sa
Geneva 73, V8 |
Aug 10, 2023 Q2 2023 |
556,408
shares
|
$40.5 Million
0.02% of portfolio
|
Q2 2023
Reduced 45.89%
|
|
|
Decheng Capital LLC
Menlo Park, CA |
Aug 13, 2025 Q2 2025 |
547,609
shares
|
$39.9 Million
1.13% of portfolio
|
Q2 2025
Added 995.22%
|
|
|
Bamco Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
518,009
shares
|
$37.7 Million
0.1% of portfolio
|
Q2 2025
Added 10.86%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Aug 14, 2025 Q2 2025 |
510,605
shares
|
$37.2 Million
0.0% of portfolio
|
Q2 2025
Added 192.13%
|
|
|
Affinity Asset Advisors, LLC
New York, NY |
Aug 13, 2025 Q2 2025 |
495,000
shares
|
$36.1 Million
5.47% of portfolio
|
Q2 2025
Reduced 6.6%
|
|
|
Morgan Stanley
New York, NY |
May 15, 2025 Q1 2025 |
462,333
shares
|
$33.7 Million
0.0% of portfolio
|
Q1 2025
Reduced 25.2%
|
|
|
American Century Companies Inc
Kansas City, MO |
Aug 12, 2025 Q2 2025 |
431,466
shares
|
$31.4 Million
0.02% of portfolio
|
Q2 2025
Added 694.29%
|
|
|
Pictet Asset Management Holding Sa
Carouge, V8 |
Aug 13, 2025 Q2 2025 |
383,136
shares
|
$27.9 Million
0.03% of portfolio
|
Q2 2025
Added 6882.61%
|