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

050100150200250 Q1 2024: 183Q1 2024Q2 2024: 167Q2 2024Q3 2024: 186Q3 2024Q4 2024: 211Q4 2024Q1 2025: 197Q1 2025Q2 2025: 202Q2 2025Q3 2025: 209Q3 2025Q4 2025: 218Q4 2025Q1 2026: 240Q1 2026Q2 2026: 2Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions37$63.8M
Exits25$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.