Institutional Ownership Arcellx, Inc. (ACLX)
This table provides information about the institutional ownership of Arcellx, Inc. (ACLX). We have compiled data on the 216 institutions that hold shares in the stock, with a total of 49.7 Million shares, which have been reported (via 13F filing form) to have a value of $3.62 Billion.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Paradigm Biocapital Advisors LP
New York, NY |
May 15, 2025 Q1 2025 |
4,492,032
shares
|
$327 Million
15.1% of portfolio
|
Q1 2025
Added 2.75%
|
|
|
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 |
May 14, 2025 Q1 2025 |
3,745,262
shares
|
$273 Million
23.3% 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 |
May 15, 2025 Q1 2025 |
3,036,527
shares
|
$221 Million
4.14% of portfolio
|
Q1 2025
Added 8.94%
|
|
|
Perceptive Advisors LLC
New York, NY |
Aug 06, 2025 Q1 2025 |
2,926,478
shares
|
$213 Million
8.03% of portfolio
|
Q1 2025
Reduced 15.88%
|
|
|
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
|
May 13, 2025 Q1 2025 |
2,346,630
shares
|
$171 Million
69.67% of portfolio
|
Q1 2024
Reduced 25.42%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
May 14, 2025 Q1 2025 |
1,839,624
shares
|
$134 Million
0.01% of portfolio
|
Q1 2025
Reduced 13.28%
|
|
|
State Street Corp
Boston, MA |
May 15, 2025 Q1 2025 |
1,666,451
shares
|
$121 Million
0.0% of portfolio
|
Q1 2025
Reduced 6.14%
|
|
|
T. Rowe Price Investment Management, Inc.
Baltimore, MD |
May 14, 2025 Q1 2025 |
1,665,138
shares
|
$121 Million
0.07% of portfolio
|
Q1 2025
Added 135.88%
|
|
|
Janus Henderson Group PLC
London, X0 |
May 15, 2025 Q1 2025 |
1,510,494
shares
|
$110 Million
0.06% of portfolio
|
Q1 2025
Reduced 2.99%
|
|
|
Cormorant Asset Management, LP
Boston, MA |
May 15, 2025 Q1 2025 |
1,050,000
shares
|
$76.5 Million
7.31% of portfolio
|
Q1 2025
Reduced 19.23%
|
|
|
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%
|
|
|
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%
|
|
|
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%
|
|
|
Ken Griffin
Citadel Advisors LLC | Chicago, Il
|
May 15, 2025 Q1 2025 |
726,127
shares
|
$52.9 Million
0.01% of portfolio
|
Q1 2025
Added 2778.49%
|
|
|
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%
|
|
|
Lord, Abbett & Co. LLC
Jersey City, NJ |
May 13, 2025 Q1 2025 |
664,526
shares
|
$48.4 Million
0.16% of portfolio
|
Q1 2025
Reduced 31.83%
|
|
|
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%
|
|
|
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%
|
|
|
Bamco Inc
New York, NY |
May 15, 2025 Q1 2025 |
467,261
shares
|
$34 Million
0.09% of portfolio
|
Q1 2025
Added 34.14%
|
|
|
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%
|