ArcellxACLX
13F holders, Q4 2024 (December 31)211holders +25
37new positions
25sold out
7famous investors
$76.69avg. 13F price*
At the end of Q4 2024, 211 institutions reported holding Arcellx Inc. (ACLX) in their 13F filings, up 25 from Q3 2024. 37 opened new positions and 25 sold out. The largest holders were FMR LLC ($610.2M), Gilead Sciences, Inc. ($515.4M) and Paradigm Biocapital Advisors LP ($335.3M). 7 famous investors held it, including Stanley Druckenmiller (0.2% 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 Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 37 | $63.8M |
| Exits | 25 | $123.5M |
All 13F filers, Q3 2024 → Q4 2024: 6,125,924 shares bought and 4,306,764 shares sold, net +1,819,160 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 211 holders
| FMR LLC | 0.04% | Add +22.8% | 7,956,633 | $610.2M |
| Gilead Sciences, Inc. | 33.23% | — | 6,720,803 | $515.4M |
| Paradigm Biocapital Advisors LP | 11.66% | Add +9.3% | 4,371,601 | $335.3M |
| BlackRock, Inc. | 0.01% | Reduce -9.3% | 3,854,021 | $295.6M |
| NEA Management Company, LLC | 16.21% | No change | 3,745,262 | $287.2M |
| Perceptive Advisors LLC | 7.43% | Reduce -10.5% | 3,478,888 | $266.8M |
| Vanguard Group Inc. | 0.00% | Add +35.3% | 3,330,092 | $255.4M |
| Ra Capital Management, L.P. | 2.85% | Add +50.5% | 2,787,327 | $213.8M |
| SR One Capital Management, LP | 43.88% | No change | 2,346,630 | $180.0M |
| T. Rowe Price Associates Inc. | 0.02% | Add +11.6% | 2,121,322 | $162.7M |
| State Street Corp. | 0.01% | Add +14.9% | 1,775,372 | $136.2M |
| Janus Henderson Group PLC | 0.06% | Reduce -22.6% | 1,557,092 | $119.5M |
| Cormorant Asset Management, LP | 5.48% | Add +4.0% | 1,300,000 | $99.7M |
| AJU IB Investment Co., Ltd. | 78.19% | — | 1,047,557 | $80.3M |
| Geode Capital Management, LLC | 0.01% | Add +0.4% | 979,026 | $75.1M |
| Lord, Abbett & Co. LLC | 0.25% | Add +9.3% | 974,832 | $74.8M |
| T. Rowe Price Investment Management, Inc. | 0.03% | Reduce -25.3% | 705,922 | $54.1M |
| Morgan Stanley | 0.00% | Reduce -18.4% | 618,117 | $47.4M |
| Vestal Point Capital, LP | 2.16% | Reduce -29.6% | 475,000 | $36.4M |
| Affinity Asset Advisors, LLC | 5.54% | Add +6.3% | 425,000 | $32.6M |
| Northern Trust Corp. | 0.00% | Add +6.9% | 410,733 | $31.5M |
| Baron Capital (BAMCO) | 0.07% | Add +1.6% | 348,333 | $26.7M |
| Deutsche Bank AG | 0.01% | Reduce -26.0% | 344,529 | $26.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +4.6% | 343,085 | $26.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +156.2% | 305,088 | $23.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -3.1% | 290,011 | $22.2M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -16.0% | 269,386 | $20.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -5.5% | 267,384 | $20.5M |
| Samsara Biocapital, LLC | 2.67% | Reduce -28.3% | 253,641 | $19.5M |
| Capital World Investors | 0.00% | New | 252,878 | $19.4M |
| Artia Global Partners LP | 7.11% | New | 229,785 | $17.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -10.3% | 224,456 | $17.2M |
| UBS Group AG | 0.00% | Add +261.8% | 207,539 | $15.9M |
| Candriam S.C.A. | 0.09% | Reduce -18.9% | 194,996 | $15.0M |
| Victory Capital Management Inc. | 0.01% | Reduce -19.0% | 184,183 | $14.1M |
| Voloridge Investment Management, LLC | 0.05% | Add +5.3% | 178,198 | $13.7M |
| TD Asset Management Inc | 0.01% | Add +9.6% | 163,918 | $12.6M |
| Federated Hermes, Inc. | 0.03% | Add +141.4% | 156,094 | $12.0M |
| Qube Research & Technologies Ltd | 0.02% | Add +207.3% | 154,400 | $11.8M |
| First Turn Management, LLC | 2.09% | Reduce -28.9% | 152,356 | $11.7M |
| Bank of America Corp. | 0.00% | Reduce -32.8% | 148,107 | $11.4M |
| Bank of New York Mellon Corp | 0.00% | Add +23.4% | 144,409 | $11.1M |
| Voya Investment Management LLC | 0.01% | Reduce -7.1% | 136,203 | $10.4M |
| First Trust Advisors LP | 0.01% | Add +274.3% | 134,197 | $10.3M |
| Raymond James Financial Inc. | 0.00% | — | 130,601 | $10.0M |
| Woodline Partners LP | 0.07% | Add +13.2% | 125,649 | $9.6M |
| Soleus Capital Management, L.P. | 0.70% | Add +30.1% | 121,031 | $9.3M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -7.5% | 111,786 | $8.6M |
| Integral Health Asset Management, LLC | 0.68% | Reduce -63.6% | 100,000 | $7.7M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +15.9% | 98,314 | $7.5M |
| Barclays PLC | 0.00% | Add +7.3% | 91,595 | $7.0M |
| Decheng Capital LLC | 1.39% | Add +298.4% | 84,377 | $6.5M |
| Jacobs Levy Equity Management, Inc. | 0.02% | Reduce -1.7% | 78,584 | $6.0M |
| Duquesne Family Office | 0.16% | No change | 74,100 | $5.7M |
| Rafferty Asset Management, LLC | 0.02% | Add +27.4% | 71,037 | $5.4M |
| Thrivent Financial for Lutherans | 0.01% | Add +44.0% | 69,461 | $5.3M |
| Citigroup Inc. | 0.01% | Add +60.8% | 69,408 | $5.3M |
| Swiss National Bank | 0.00% | Add +0.8% | 63,400 | $4.9M |
| Rhumbline Advisers | 0.00% | Add +1.9% | 59,903 | $4.6M |
| PFM Health Sciences, LP | 0.34% | Reduce -6.6% | 56,603 | $4.3M |
| Franklin Resources Inc. | 0.00% | Reduce -7.8% | 52,297 | $4.0M |
| Alliancebernstein L.P. | 0.00% | Reduce -10.8% | 51,250 | $3.9M |
| Renaissance Technologies | 0.01% | New | 49,100 | $3.8M |
| Nicholas Investment Partners, LP | 0.36% | Add +31.4% | 48,086 | $3.7M |
| Edmond DE Rothschild Holding S.A. | 0.06% | No change | 45,480 | $3.5M |
| Parkman Healthcare Partners LLC | 0.45% | Reduce -33.1% | 44,492 | $3.4M |
| HighVista Strategies LLC | 1.25% | Reduce -20.6% | 43,804 | $3.4M |
| Rhenman & Partners Asset Management AB | 0.34% | Add +35.9% | 43,500 | $3.3M |
| Legal & General Group Plc | 0.00% | Add +5.7% | 43,033 | $3.3M |
| Informed Momentum Co LLC | 0.47% | New | 43,009 | $3.3M |
| Atle Fund Management AB | 1.56% | Add +4.6% | 42,071 | $3.3M |
| Susquehanna International Group, LLP | 0.00% | Reduce -55.6% | 42,540 | $3.3M |
| Allostery Investments LP | 5.27% | — | 35,000 | $2.7M |
| State of Wisconsin Investment Board | 0.01% | Add +13.5% | 34,332 | $2.6M |
| Schonfeld Strategic Advisors LLC | 0.02% | New | 32,737 | $2.5M |
| California State Teachers Retirement System | 0.00% | Reduce -0.7% | 30,961 | $2.4M |
| American Century Companies Inc. | 0.00% | New | 29,446 | $2.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +6.2% | 27,363 | $2.1M |
| Norges Bank | 0.00% | New | 27,251 | $2.1M |
| Wells Fargo & Company | 0.00% | Add +35.7% | 26,638 | $2.0M |
| Invesco Ltd. | 0.00% | Add +15.7% | 26,550 | $2.0M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 30,000 | $2.0M |
| MetLife Investment Management, LLC | 0.01% | Add +4.3% | 26,058 | $2.0M |
| Congress Asset Management Co. | 0.01% | Add +11.4% | 25,321 | $1.9M |
| Citadel Advisors | 0.00% | Add +47.6% | 25,226 | $1.9M |
| State of New Jersey Common Pension Fund D | 0.01% | New | 23,966 | $1.8M |
| Harbor Capital Advisors, Inc. | 0.08% | Reduce -15.9% | 23,465 | $1.8M |
| Millennium Management | 0.00% | New | 22,370 | $1.7M |
| Erste Asset Management GmbH | 0.02% | No change | 21,000 | $1.7M |
| Corebridge Financial, Inc. | 0.01% | Reduce -7.0% | 21,430 | $1.6M |
| AQR Capital Management | 0.00% | Add +22.4% | 20,248 | $1.6M |
| New York State Common Retirement Fund | 0.00% | Add +7.5% | 20,243 | $1.6M |
| Martingale Asset Management L P | 0.04% | Reduce -5.1% | 20,096 | $1.5M |
| BNP Paribas Financial Markets | 0.00% | New | 19,965 | $1.5M |
| Wellington Management Group LLP | 0.00% | Reduce -6.1% | 19,693 | $1.5M |
| Wexford Capital LP | 0.35% | Reduce -46.2% | 17,994 | $1.4M |
| Intech Investment Management LLC | 0.01% | Add +79.6% | 17,207 | $1.3M |
| Dark Forest Capital Management LP | 0.18% | Reduce -41.8% | 16,067 | $1.2M |
| Jackson Creek Investment Advisors LLC | 0.36% | New | 15,389 | $1.2M |
| ProShare Advisors LLC | 0.00% | Add +29.8% | 14,700 | $1.1M |
"% of holder's portfolio" is ACLX's weight in each manager's 13F, not the share of Arcellx Inc. the manager owns.