ArcellxACLX
13F holders, Q2 2024 (June 30)167holders −16
20new positions
37sold out
5famous investors
$55.19avg. 13F price*
At the end of Q2 2024, 167 institutions reported holding Arcellx Inc. (ACLX) in their 13F filings, down 16 from Q1 2024. 20 opened new positions and 37 sold out. The largest holders were FMR LLC ($358.0M), Perceptive Advisors LLC ($214.7M) and Paradigm Biocapital Advisors LP ($212.4M). 5 famous investors held it, including Stanley Druckenmiller (0.1% of Duquesne Family Office's portfolio), Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Arcellx Inc.
- CUSIP
- 03940C100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $105.0M |
| Exits | 37 | $33.6M |
All 13F filers, Q1 2024 → Q2 2024: 6,371,409 shares bought and 3,167,206 shares sold, net +3,204,203 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 167 holders
| FMR LLC | 0.02% | Add +20.3% | 6,487,334 | $358.0M |
| Perceptive Advisors LLC | 5.18% | Reduce -1.1% | 3,889,739 | $214.7M |
| Paradigm Biocapital Advisors LP | 8.13% | Add +0.8% | 3,848,095 | $212.4M |
| NEA Management Company, LLC | 15.55% | No change | 3,745,262 | $206.7M |
| BlackRock Inc. | 0.00% | Add +14.7% | 3,516,364 | $194.1M |
| SR One Capital Management, LP | 40.55% | No change | 2,346,630 | $129.5M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 2,296,195 | $126.7M |
| Janus Henderson Group PLC | 0.06% | Add +25.0% | 1,902,618 | $105.0M |
| State Street Corp. | 0.00% | Reduce -6.9% | 1,755,664 | $96.9M |
| T. Rowe Price Associates Inc. | 0.01% | Add +21.3% | 1,630,690 | $90.0M |
| Ra Capital Management, L.P. | 1.17% | New | 1,604,014 | $88.5M |
| Cormorant Asset Management, LP | 4.89% | Reduce -14.3% | 1,525,000 | $84.2M |
| Montanova Capital, LLC | 3.42% | Reduce -3.0% | 1,516,254 | $83.7M |
| T. Rowe Price Investment Management, Inc. | 0.04% | Add +19.4% | 1,173,791 | $64.8M |
| Geode Capital Management, LLC | 0.00% | Add +11.5% | 935,186 | $51.6M |
| Lord, Abbett & Co. LLC | 0.16% | Reduce -27.1% | 873,844 | $48.2M |
| Vestal Point Capital, LP | 2.78% | Add +575.0% | 675,000 | $37.3M |
| Morgan Stanley | 0.00% | Reduce -21.8% | 545,077 | $30.1M |
| Great Point Partners LLC | 5.20% | Add +64.0% | 492,000 | $27.2M |
| Affinity Asset Advisors, LLC | 4.41% | Add +53.3% | 460,000 | $25.4M |
| Samsara Biocapital, LLC | 5.24% | No change | 453,641 | $25.0M |
| Deutsche Bank AG | 0.01% | Reduce -0.3% | 446,530 | $24.6M |
| Northern Trust Corp. | 0.00% | Reduce -2.5% | 350,580 | $19.3M |
| Baron Capital (BAMCO) | 0.05% | Add +37.7% | 342,760 | $18.9M |
| Adage Capital Partners Gp, L.L.C. | 0.03% | Add +18.9% | 323,468 | $17.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +11.3% | 313,893 | $17.3M |
| PFM Health Sciences, LP | 0.96% | Add +2.9% | 311,980 | $17.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +16.9% | 310,382 | $17.1M |
| Bank of America Corp. | 0.00% | Reduce -26.8% | 303,406 | $16.7M |
| Victory Capital Management Inc. | 0.02% | Add +20.4% | 283,872 | $15.7M |
| Stempoint Capital LP | 4.56% | Add +100.1% | 280,709 | $15.5M |
| Integral Health Asset Management, LLC | 1.51% | Add +7.8% | 275,000 | $15.2M |
| JPMorgan Chase & Co. | 0.00% | Reduce -52.6% | 261,359 | $14.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -5.4% | 258,167 | $14.2M |
| Russell Investments Group, Ltd. | 0.02% | Add +20.6% | 235,591 | $13.0M |
| Voloridge Investment Management, LLC | 0.05% | Reduce -35.4% | 234,728 | $13.0M |
| Voya Investment Management LLC | 0.01% | Reduce -42.9% | 218,287 | $12.0M |
| Candriam S.C.A. | 0.07% | Reduce -1.4% | 217,008 | $12.0M |
| Cutter Capital Management, LP | 3.15% | Add +74.8% | 187,000 | $10.3M |
| Eagle Asset Management Inc. | 0.05% | Reduce -15.1% | 190,604 | $10.2M |
| Soleus Capital Management, L.P. | 0.83% | Add +13.8% | 170,741 | $9.4M |
| Parkman Healthcare Partners LLC | 1.18% | Add +0.2% | 156,843 | $8.7M |
| Bank of New York Mellon Corp | 0.00% | Add +21.6% | 147,198 | $8.1M |
| Qube Research & Technologies Ltd | 0.01% | Add +42.9% | 144,636 | $8.0M |
| TD Asset Management Inc | 0.01% | Add +36.9% | 123,118 | $6.8M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -34.7% | 121,911 | $6.7M |
| Woodline Partners LP | 0.06% | Add +3.5% | 107,699 | $5.9M |
| Man Group plc | 0.02% | New | 104,046 | $5.7M |
| Rafferty Asset Management, LLC | 0.02% | Reduce -32.3% | 85,812 | $4.7M |
| Duquesne Family Office | 0.15% | No change | 74,100 | $4.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +55.4% | 73,332 | $4.0M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -5.2% | 64,025 | $3.5M |
| UBS Group AG | 0.00% | Reduce -38.6% | 63,577 | $3.5M |
| Swiss National Bank | 0.00% | Add +11.5% | 62,900 | $3.5M |
| Rhumbline Advisers | 0.00% | Add +14.3% | 60,570 | $3.3M |
| Superstring Capital Management LP | 4.11% | New | 59,133 | $3.3M |
| Franklin Resources Inc. | 0.00% | Add +4.3% | 56,701 | $3.1M |
| Alliancebernstein L.P. | 0.00% | Add +41.0% | 55,811 | $3.1M |
| Twinbeech Capital LP | 0.06% | Add +76.0% | 53,585 | $3.0M |
| Jane Street Group, LLC | 0.00% | Add +41.1% | 52,015 | $2.9M |
| HighVista Strategies LLC | 1.03% | Reduce -29.3% | 51,040 | $2.8M |
| Jacobs Levy Equity Management, Inc. | 0.01% | New | 47,817 | $2.6M |
| Acuta Capital Partners, LLC | 1.96% | Add +22.3% | 42,200 | $2.3M |
| MYDA Advisors LLC | 0.71% | Add +20.0% | 42,000 | $2.3M |
| Alps Advisors Inc. | 0.02% | Add +12.1% | 41,722 | $2.3M |
| Walleye Capital LLC | 0.03% | Reduce -56.3% | 41,144 | $2.3M |
| State of Wisconsin Investment Board | 0.01% | Add +47.1% | 39,165 | $2.2M |
| Susquehanna International Group, LLP | 0.00% | Add +7.0% | 39,153 | $2.2M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 30,000 | $2.1M |
| Barclays PLC | 0.00% | Reduce -5.6% | 37,470 | $2.1M |
| Principal Financial Group Inc. | 0.00% | Add +1.4% | 37,352 | $2.1M |
| Wexford Capital LP | 0.51% | Add +524.5% | 36,464 | $2.0M |
| Legal & General Group Plc | 0.00% | Add +20.6% | 35,405 | $2.0M |
| Algert Global LLC | 0.06% | Add +24.4% | 35,211 | $1.9M |
| Two Sigma Investments, LP | 0.00% | Reduce -81.8% | 34,461 | $1.9M |
| California State Teachers Retirement System | 0.00% | Add +8.5% | 32,064 | $1.8M |
| Moody Aldrich Partners LLC | 0.29% | Add +33.0% | 27,337 | $1.5M |
| Renaissance Technologies | 0.00% | New | 27,072 | $1.5M |
| MetLife Investment Management, LLC | 0.01% | Add +27.5% | 24,981 | $1.4M |
| Corebridge Financial, Inc. | 0.01% | — | 23,189 | $1.3M |
| Schonfeld Strategic Advisors LLC | 0.01% | Reduce -56.3% | 23,148 | $1.3M |
| Congress Asset Management Co. | 0.01% | Reduce -1.1% | 22,982 | $1.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 22,755 | $1.3M |
| Atle Fund Management AB | 0.76% | Add +28.6% | 22,496 | $1.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -50.8% | 22,492 | $1.2M |
| Citigroup Inc. | 0.00% | Reduce -81.0% | 21,892 | $1.2M |
| Invesco Ltd. | 0.00% | Add +6.3% | 21,498 | $1.2M |
| Erste Asset Management GmbH | 0.02% | No change | 21,000 | $1.1M |
| Harbor Capital Advisors, Inc. | 0.09% | Add +8.3% | 20,362 | $1.1M |
| Martingale Asset Management L P | 0.02% | Reduce -11.9% | 20,192 | $1.1M |
| Wells Fargo & Company | 0.00% | Add +12.1% | 19,995 | $1.1M |
| New York State Common Retirement Fund | 0.00% | Add +11.3% | 18,899 | $1.0M |
| Wellington Management Group LLP | 0.00% | Add +15.9% | 18,200 | $1.0M |
| First Trust Advisors LP | 0.00% | Reduce -58.1% | 16,894 | $932K |
| AQR Capital Management | 0.00% | Add +38.9% | 16,852 | $930K |
| Allianz Asset Management GmbH | 0.00% | Reduce -15.6% | 16,800 | $927K |
| Profund Advisors LLC | 0.03% | Reduce -19.6% | 16,096 | $888K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +37.8% | 15,928 | $879K |
| Y-Intercept (Hong Kong) Ltd | 0.05% | Add +68.3% | 15,859 | $875K |
| Squarepoint Ops LLC | 0.00% | Reduce -86.9% | 15,829 | $874K |
"% of holder's portfolio" is ACLX's weight in each manager's 13F, not the share of Arcellx Inc. the manager owns.