ArcellxACLX
13F holders, Q4 2024 (December 31)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 |
| STRS Ohio | 0.00% | Add +18.2% | 14,300 | $1.1M |
| Profund Advisors LLC | 0.04% | Add +22.4% | 14,008 | $1.1M |
| HighTower Advisors, LLC | 0.00% | Add +0.8% | 12,582 | $965K |
| Jasper Ridge Partners, L.P. | 0.03% | No change | 11,820 | $906K |
| Handelsbanken Fonder AB | 0.00% | Reduce -7.9% | 11,600 | $890K |
| China Universal Asset Management Co., Ltd. | 0.08% | Add +10.9% | 11,466 | $879K |
| Allianz Asset Management GmbH | 0.00% | Add +9.9% | 11,100 | $851K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 10,850 | $832K |
| Acuta Capital Partners, LLC | 0.83% | Reduce -82.7% | 10,743 | $824K |
| Moody Aldrich Partners LLC | 0.15% | Reduce -60.1% | 10,683 | $819K |
| Walleye Capital LLC | 0.01% | New | 10,659 | $817K |
| Gotham Asset Management | 0.01% | Reduce -19.2% | 10,508 | $806K |
| Scientech Research LLC | 0.22% | New | 10,281 | $788K |
| Ameriprise Financial Inc. | 0.00% | Reduce -8.5% | 10,171 | $780K |
| Diadema Partners LP | 0.87% | — | 10,100 | $775K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Add +9.6% | 9,836 | $754K |
| Sei Investments Co. | 0.00% | Add +99.3% | 9,688 | $743K |
| Teacher Retirement System of Texas | 0.00% | Add +18.7% | 9,556 | $733K |
| Arizona State Retirement System | 0.00% | Add +1.1% | 9,343 | $717K |
| LPL Financial LLC | 0.00% | Add +1.3% | 9,274 | $711K |
| Police & Firemen's Retirement System of New Jersey | 0.01% | — | 9,182 | $704K |
| High Net Worth Advisory Group LLC | 0.18% | No change | 8,500 | $652K |
| Guggenheim Capital LLC | 0.01% | New | 8,303 | $637K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +1081.1% | 7,984 | $612K |
| Y-Intercept (Hong Kong) Ltd | 0.04% | Add +98.1% | 7,735 | $593K |
| Advisors Asset Management, Inc. | 0.01% | Add +23.5% | 7,651 | $587K |
| Bryce Point Capital, LLC | 0.17% | — | 7,475 | $573K |
| Tema ETFs LLC | 0.24% | — | 7,468 | $573K |
| NEOS Investment Management LLC | 0.01% | Reduce -37.3% | 7,468 | $573K |
| Verition Fund Management LLC | 0.00% | New | 7,449 | $571K |
| Fieldview Capital Management, LLC | 0.09% | — | 7,237 | $555K |
| Trexquant Investment LP | 0.01% | New | 7,237 | $555K |
| Mariner, LLC | 0.00% | Add +37.8% | 6,980 | $535K |
| Two Sigma Investments, LP | 0.00% | Reduce -72.5% | 6,900 | $529K |
| Algert Global LLC | 0.01% | New | 6,844 | $525K |
| KLP Kapitalforvaltning As | 0.00% | — | 6,600 | $506K |
| HSBC Holdings PLC | 0.00% | Add +114.7% | 6,383 | $496K |
| Brevan Howard Capital Management LP | 0.01% | New | 6,079 | $466K |
| US Bancorp \de | 0.00% | Reduce -20.8% | 6,023 | $462K |
| Legato Capital Management LLC | 0.06% | Add +36.1% | 5,999 | $460K |
| Two Sigma Advisers, LP | 0.00% | Add +24.4% | 5,600 | $429K |
| Squarepoint Ops LLC | 0.00% | New | 5,330 | $409K |
| E Fund Management Co., Ltd. | 0.02% | Add +41.0% | 5,049 | $387K |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -28.0% | 5,000 | $383K |
| Pictet Asset Management Holding SA | 0.00% | Add +40.5% | 4,945 | $379K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 4,367 | $335K |
| Jump Financial, LLC | 0.01% | New | 4,359 | $334K |
| Creative Planning | 0.00% | New | 4,193 | $322K |
| SBI Securities Co., Ltd. | 0.01% | — | 4,123 | $316K |
| FORA Capital, LLC | 0.04% | Reduce -68.6% | 4,064 | $312K |
| Cibc World Markets Corp. | 0.00% | New | 4,033 | $309K |
| Farallon Capital Management, L.L.C. | 0.00% | No change | 4,000 | $307K |
| ADAR1 Capital Management, LLC | 0.06% | No change | 3,962 | $304K |
| Sherbrooke Park Advisers LLC | 0.09% | New | 3,805 | $292K |
| Principal Financial Group Inc. | 0.00% | Reduce -8.4% | 3,679 | $282K |
| Mercer Global Advisors Inc. | 0.00% | New | 3,619 | $278K |
| Integrated Wealth Concepts LLC | 0.00% | Reduce -1.8% | 3,426 | $263K |
| Mackenzie Financial Corp. | 0.00% | No change | 3,301 | $253K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 3,217 | $247K |
| Prudential Financial Inc. | 0.00% | No change | 3,120 | $239K |
| Xponance LLC | 0.00% | Add +8.6% | 3,088 | $237K |
| Advisory Alpha, LLC | 0.01% | No change | 3,000 | $230K |
| Bellevue Group AG | 0.00% | Reduce -25.0% | 3,000 | $230K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +8.2% | 2,809 | $215K |
| Landscape Capital Management, L.L.C. | 0.02% | New | 2,793 | $214K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -26.7% | 2,747 | $211K |
| Kazazian Asset Management, LLC | 0.16% | — | 2,660 | $204K |
| Avanza Fonder AB | 0.01% | — | 2,398 | $184K |
| Exchange Traded Concepts, LLC | 0.00% | No change | 2,175 | $167K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -7.3% | 1,802 | $143K |
| Covestor Ltd | 0.07% | Reduce -10.4% | 1,448 | $111K |
| KBC Group NV | 0.00% | Add +37.3% | 1,388 | $106K |
| Amalgamated Bank | 0.00% | No change | 1,347 | $103K |
| GF Fund Management Co. LTD. | 0.00% | — | 1,135 | $87K |
| Royal Bank of Canada | 0.00% | Reduce -82.3% | 883 | $68K |
| Virtus Advisers, LLC | 0.03% | Reduce -48.4% | 852 | $65K |
| Nisa Investment Advisors, LLC | 0.00% | Add +5.8% | 597 | $46K |
| Headlands Technologies LLC | 0.00% | New | 529 | $41K |
| PNC Financial Services Group, Inc. | 0.00% | Add +546.7% | 291 | $22K |
| GAMMA Investing LLC | 0.00% | Add +4.3% | 242 | $19K |
| Caitong International Asset Management Co., Ltd | 0.02% | — | 239 | $18K |
| Daiwa Securities Group Inc. | 0.00% | Reduce -12.8% | 178 | $14K |
| Turim 21 Investimentos Ltda. | 0.00% | No change | 179 | $12K |
| Smartleaf Asset Management LLC | 0.00% | Add +37.2% | 155 | $12K |
| Osaic Holdings, Inc. | 0.00% | Add +0.8% | 119 | $9K |
| Cwm, LLC | 0.00% | Add +11.1% | 90 | $7K |
| Comerica Bank | 0.00% | Add +9.0% | 85 | $6K |
| Aventura Private Wealth, LLC | 0.00% | — | 45 | $3K |
| Rothschild Investment LLC | 0.00% | No change | 45 | $3K |
| Meeder Asset Management Inc. | 0.00% | New | 45 | $3K |
| Sterling Capital Management LLC | 0.00% | No change | 44 | $3K |
| Fortitude Family Office, LLC | 0.00% | No change | 38 | $3K |
| Clearstead Advisors, LLC | 0.00% | Reduce -38.9% | 33 | $3K |
| Bessemer Group Inc. | 0.00% | No change | 30 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | New | 21 | $2K |
| CoreCap Advisors, LLC | 0.00% | New | 19 | $1K |
| Wolff Wiese Magana LLC | 0.00% | No change | 17 | $1K |
| Arax Advisory Partners | 0.00% | New | 14 | $1K |
| Assetmark, Inc. | 0.00% | New | 10 | $767 |
| Signaturefd, LLC | 0.00% | New | 8 | $614 |
| Farther Finance Advisors, LLC | 0.00% | No change | 8 | $614 |
| Brooklyn Investment Group | 0.00% | New | 7 | $537 |
| Bell Investment Advisors, Inc | 0.00% | No change | 7 | $537 |
| Lindbrook Capital, LLC | 0.00% | New | 7 | $537 |
| Parallel Advisors, LLC | 0.00% | Reduce -40.0% | 6 | $460 |
| J.Safra Asset Management Corp | 0.00% | No change | 5 | $392 |
| IFP Advisors, Inc | 0.00% | New | 2 | $307 |
| Principal Securities, Inc. | 0.00% | Reduce -40.0% | 3 | $230 |
| Quantbot Technologies LP | 0.00% | New | 1 | $77 |
| TFC Financial Management, Inc. | 0.00% | No change | 1 | $77 |
| Lazard Asset Management LLC | 0.00% | No change | 9 | $0 |
"% of holder's portfolio" is ACLX's weight in each manager's 13F, not the share of Arcellx Inc. the manager owns.