Arcellx Inc (ACLX) Ownership

52.82 ↓1.62 (-2.98%)

As of April 24, 2024, 3:59pm EST.

Institutions
Mutual Funds

Institutional Ownership

Perceptive Advisors LLC is the biggest individual institutional holder of Arcellx Inc (ACLX), owning a total of 4.5 million shares. Combined, the top 34 institutional holders of ACLX own 94.73% of the company with a total of 48.8 million shares.

In the latest ownership report on December 31st 2023, the top 34 institutional holders increased their combined ownership of ACLX by 793 thousand shares. 11 institutions bought 3,430,065 total additional shares and increased their ownership by an average of 58.96%. However 8 institutions sold 2,636,762 total shares and decreased their ownership by an average of 16.1%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Arcellx increased by a net total of 793,303 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Perceptive Advisors LLC	8.693%	14.595%	4,544,809	578,831	2023-12-31
FMR Inc	8.376%	-3.486%	4,379,169	-158,183	2023-12-31
NEA Management Company, LLC	7.164%	0.000%	3,745,262	0	2023-12-31
Paradigm Biocapital Advisors LP	6.998%	23.890%	3,658,624	705,502	2023-12-31
SR ONE CAPITAL MANAGEMENT, LP	6.019%	-20.271%	3,146,630	-800,000	2023-12-31
BlackRock Inc	5.774%	11.481%	3,018,538	310,876	2023-12-31
Suvretta Capital Management, LLC	4.660%	-15.122%	2,435,974	-433,993	2023-12-31
Vanguard Group Inc	3.944%	1.141%	2,061,819	23,262	2023-12-31
State Street Corporation	3.393%	-11.935%	1,773,839	-240,406	2023-12-31
Cormorant Asset Management, LLC	3.252%	-20.930%	1,700,000	-450,000	2023-12-31
HHG PLC	2.942%	-13.362%	1,538,210	-237,228	2023-12-31
T. Rowe Price Associates, Inc.	2.410%	34.509%	1,260,180	323,309	2023-12-31
Lord, Abbett & Co LLC	2.289%	8.973%	1,196,567	98,530	2023-12-31
T. Rowe Price Investment Management,Inc.	1.764%	1.343%	922,399	12,221	2023-12-31
Geode Capital Management, LLC	1.502%	6.271%	785,402	46,348	2023-12-31
Deep Track Capital, LP	1.387%	0.000%	725,145	725,145	2023-12-31
Goldman Sachs Group Inc	1.361%	-18.686%	711,386	-163,472	2023-12-31
Morgan Stanley - Brokerage Accounts	1.288%	539.652%	673,285	568,027	2023-12-31
JPMorgan Chase & Co	1.151%	6.741%	601,913	38,014	2023-12-31
Samsara BioCapital, LLC	0.881%	-25.000%	460,441	-153,480	2023-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Perceptive Advisors LLC	8.693%	14.595%	4,544,809	578,831	2023-12-31
FMR Inc	8.376%	-3.486%	4,379,169	-158,183	2023-12-31
NEA Management Company, LLC	7.164%	0.000%	3,745,262	0	2023-12-31
Paradigm Biocapital Advisors LP	6.998%	23.890%	3,658,624	705,502	2023-12-31
SR ONE CAPITAL MANAGEMENT, LP	6.019%	-20.271%	3,146,630	-800,000	2023-12-31
BlackRock Inc	5.774%	11.481%	3,018,538	310,876	2023-12-31
Suvretta Capital Management, LLC	4.660%	-15.122%	2,435,974	-433,993	2023-12-31
Vanguard Group Inc	3.944%	1.141%	2,061,819	23,262	2023-12-31
State Street Corporation	3.393%	-11.935%	1,773,839	-240,406	2023-12-31
Cormorant Asset Management, LLC	3.252%	-20.930%	1,700,000	-450,000	2023-12-31
HHG PLC	2.942%	-13.362%	1,538,210	-237,228	2023-12-31
Citadel Advisors Llc	3.157%	-10.668%	1,514,896	-180,910	2023-03-31
AJU IB Investment Co Ltd	2.887%	0.000%	1,380,890	0	2022-09-30
T. Rowe Price Associates, Inc.	2.410%	34.509%	1,260,180	323,309	2023-12-31
Lord, Abbett & Co LLC	2.289%	8.973%	1,196,567	98,530	2023-12-31
Novo A/S	2.070%	7.500%	1,075,000	75,000	2023-09-30
T. Rowe Price Investment Management,Inc.	1.764%	1.343%	922,399	12,221	2023-12-31
Geode Capital Management, LLC	1.502%	6.271%	785,402	46,348	2023-12-31
Clough Capital Partners, LP	1.593%	-35.323%	753,833	-411,700	2022-09-30
Deep Track Capital, LP	1.387%	0.000%	725,145	725,145	2023-12-31
Goldman Sachs Group Inc	1.361%	-18.686%	711,386	-163,472	2023-12-31
Morgan Stanley - Brokerage Accounts	1.288%	539.652%	673,285	568,027	2023-12-31
Soleus Capital Management, L.P.	1.240%	-35.751%	643,777	-358,222	2023-09-30
JPMorgan Chase & Co	1.151%	6.741%	601,913	38,014	2023-12-31
COMMODORE CAPITAL LP	1.236%	0.000%	591,437	591,437	2022-12-31
Adage Capital Partners Gp LLC	1.113%	0.000%	526,904	0	2022-09-30
Partner Fund Management LP	1.096%	-14.712%	525,816	-90,699	2023-03-31
Vivo Capital, LLC	0.970%	16.086%	503,565	69,780	2023-09-30
Logos Global Management LP	1.034%	0.000%	500,000	500,000	2023-06-30
Samsara BioCapital, LLC	0.881%	-25.000%	460,441	-153,480	2023-12-31
Candriam Luxembourg S.C.A.	0.882%	1,170.670%	422,154	388,931	2022-12-31
Balyasny Asset Management LLC	0.941%	172.745%	412,570	261,304	2022-06-30
TimesSquare Capital Management, LLC	0.805%	0.000%	381,010	381,010	2022-09-30
Charles Schwab Investment Management Inc	0.463%	207.789%	202,839	136,937	2022-09-30

Mutual Fund Ownership

Fidelity Select Biotechnology is the biggest individual fund holder of Arcellx Inc (ACLX), owning a total of 1.3 million shares. Combined, the top 52 mutual fund holders of ACLX own 42.05% of the company with a total of 21.2 million shares.

In the latest ownership report on February 29th 2024, the top 52 fund holders increased their combined ownership of ACLX by 27 thousand shares. 3 funds bought 31,493 total additional shares and increased their ownership by an average of 1.69%. However 3 funds sold 4,321 total shares and decreased their ownership by an average of 0.15%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Arcellx increased by a net total of 27,172 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Total Stock Mkt Idx Inv	2.247%	-0.321%	1,174,564	-3,777	2024-02-29
SPDR® S&P Biotech ETF	2.013%	1.906%	1,052,335	19,680	2024-02-29
iShares Russell 2000 ETF	1.774%	-0.016%	927,554	-152	2024-02-29
Vanguard Institutional Extnd Mkt Idx Tr	0.899%	0.441%	469,789	2,061	2024-02-29
Janus Henderson Glb Life Scn I2 USD	0.707%	2.712%	369,356	9,752	2024-02-29
iShares Russell 2000 Growth ETF	0.645%	-0.116%	337,322	-392	2024-02-29

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Fidelity Select Biotechnology	2.428%	0.000%	1,269,301	0	2024-01-31
Fidelity® Select Biotechnology	2.296%	-12.310%	1,192,501	-167,400	2023-11-30
Vanguard Total Stock Mkt Idx Inv	2.247%	-0.321%	1,174,564	-3,777	2024-02-29
SPDR® S&P Biotech ETF	2.013%	1.906%	1,052,335	19,680	2024-02-29
iShares Russell 2000 ETF	1.774%	-0.016%	927,554	-152	2024-02-29
Vanguard Instl Ttl Stck Mkt Idx Tr	1.663%	-8.301%	804,339	-72,808	2023-03-31
Lord Abbett Developing Growth A	1.328%	-1.254%	694,255	-8,818	2024-01-31
Select Health Care	1.027%	0.000%	500,000	0	2023-10-31
Fidelity® Select Health Care	1.027%	0.000%	500,000	0	2023-10-31
Janus Henderson Global Life Sciences	0.907%	-5.621%	474,254	-28,245	2023-12-31
Janus Henderson Global Life Sciences D	0.907%	-5.621%	474,254	-28,245	2023-12-31
T. Rowe Price New Horizons	0.903%	26.943%	472,122	100,205	2023-12-31
US Small-Cap Growth II Equity Comp	0.903%	26.943%	472,122	100,205	2023-12-31
Vanguard Institutional Extnd Mkt Idx Tr	0.899%	0.441%	469,789	2,061	2024-02-29
Fidelity Select Health Care	0.861%	0.000%	450,000	0	2024-01-31
UBS: US Equity Small Cap Growth	0.850%	0.000%	444,309	0	2023-09-30
Vanguard Extended Market Index Investor	0.873%	-0.019%	422,215	-81	2023-08-31
Fidelity Advisor® Biotechnology I	0.834%	-12.094%	403,400	-55,500	2023-08-31
Candriam Global Equities Oncology	0.766%	0.000%	398,000	0	2023-09-30
Belfius Equities Cure C Cap	0.818%	0.000%	398,000	0	2023-09-30
Fidelity Small Cap Growth	0.753%	2.632%	393,884	10,100	2023-12-31
Fidelity® Series Small Cap Opps	0.808%	0.000%	393,200	0	2023-08-31
Fidelity® Small Cap Growth	0.739%	-0.121%	383,784	-466	2023-10-31
Fidelity Small Cap Index	0.730%	2.320%	381,441	8,648	2023-12-31
T. Rowe Price Small-Cap Stock	0.723%	-0.159%	377,700	-600	2023-12-31
T. Rowe Price US Small-Cap Core Equity	0.723%	-0.159%	377,700	-600	2023-12-31
Pictet-Biotech P USD	0.759%	-16.816%	369,426	-74,679	2023-05-31
Janus Henderson Glb Life Scn I2 USD	0.707%	2.712%	369,356	9,752	2024-02-29
Fidelity® Small Cap Index	0.704%	2.737%	365,519	9,738	2023-10-31
Janus Global Life Science A USD	0.744%	0.000%	355,795	355,795	2022-12-31
Janus Selection Global Life Science AUSD	0.679%	-7.229%	354,961	-27,661	2023-12-31
Fidelity® Small Cap Value	0.719%	0.000%	350,000	0	2023-09-30
iShares Russell 2000 Growth ETF	0.645%	-0.116%	337,322	-392	2024-02-29
Fidelity Advisor® Health Care I	0.683%	0.000%	330,000	0	2023-06-30
Clough Global Opportunities	0.751%	-14.990%	329,493	-58,100	2022-09-30
Fidelity Series Small Cap Opps	0.598%	-1.821%	312,700	-5,800	2023-12-31
Fidelity Advisor Health Care I	0.600%	-5.619%	311,458	-18,542	2023-11-30
iShares Russell 2000 Value ETF	0.620%	0.563%	297,683	1,665	2023-06-21
JPMorgan Small Cap Value I	0.380%	0.000%	181,615	0	2023-03-31
Lord Abbett Micro Cap Growth I	0.367%	2.697%	175,670	4,614	2023-03-31
Clough Global Equity	0.376%	-15.011%	164,764	-29,100	2022-09-30
iShares Biotechnology ETF	0.342%	-0.574%	163,626	-945	2023-04-28
State St Russell Sm/Mid Cp® Indx NL Cl C	0.337%	0.000%	159,349	0	2023-01-31
Fidelity® Select Pharmaceuticals Port	0.358%	0.000%	157,100	0	2022-10-31
Fidelity® Extended Market Index	0.297%	4.942%	140,323	6,608	2022-12-31
Empower Small Cap Growth/TimesSquare SP	0.277%	0.000%	121,300	121,300	2022-09-30
Schwab US Small-Cap ETF™	0.243%	0.030%	114,894	34	2023-01-31
State St Russell Sm Cap® Indx NL Cl C	0.253%	1.094%	110,861	1,200	2022-12-31
Direxion Daily S&P Biotech Bull 3X ETF	0.224%	7.244%	98,248	6,636	2022-12-29
NT R2000 Value Index Fund - NL	0.212%	198.850%	93,071	61,928	2022-09-30
NT R2000 Index Fund - NL	0.194%	198.860%	84,969	56,538	2022-09-30
1290 VT Micro Cap K	0.183%	7.992%	80,073	5,926	2022-09-30