Security record · archived quarter
ACLX
Arcellx, Inc. · Healthcare · Biotechnology
90Tracked holders
+2Δ holders
26.91MShares held
$1.75BReported value
+4New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +2.3% ·
share flow -3.7% ·
net new positions +3.3%
· formula
Ownership fragmentation: more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q1 2026 | 79 | -11 | 20.14M | $2.28B | +11 | −23 |
| Q4 2025 | 90 | +2 | 26.91M | $1.75B | +4 | −1 |
| Q3 2025 | 15 | -1 | 21.54M | $1.77B | n/a | −2 |
| Q2 2025 | 14 | -2 | 18.84M | $1.24B | n/a | −2 |
| Q1 2025 | 13 | 0 | 6.16M | $404.16M | +1 | −1 |
| Q4 2024 | 13 | +2 | 5.38M | $412.92M | +4 | −2 |
| Q3 2024 | 10 | +1 | 3.34M | $279.00M | +2 | −1 |
| Q2 2024 | 9 | n/a | 3.07M | $169.41M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 4.08M | +4.5% | $266.12M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 2 | Fidelity (FMR) ✦ | 3.56M | -38.1% | $232.36M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | BlackRock ✦ (passive) | 3.55M | +4.8% | $231.38M | 0.0% | ▲ Add | 3 | SEC ↗ ×17 |
| 4 | State Street Global Advisors ✦ (passive) | 2.00M | +31.0% | $130.30M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | T. Rowe Price ✦ | 1.61M | +27.4% | $105.03M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 6 | Citadel Advisors ✦ | 1.50M | +46.9% | $97.81M | 0.1% | ▲ Add | 6 | SEC ↗ ×2 |
| 7 | JPMorgan Chase ✦ | 1.45M | -17.6% | $94.83M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 8 | Geode Capital Management ✦ (passive) | 958.06K | +3.4% | $62.48M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 9 | Janus Henderson Group Plc | 919.58K | n/a | $59.96M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 10 | Goldman Sachs Group ✦ | 668.48K | +49.1% | $43.58M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 11 | Bamco Inc /Ny/ | 609.70K | n/a | $39.75M | 0.1% | n/c | 1 | SEC ↗ |
| 12 | Morgan Stanley ✦ | 518.40K | +19.8% | $33.80M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 13 | Bank Of America Corp /De/ | 427.77K | n/a | $27.89M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 14 | American Century Companies Inc | 419.08K | n/a | $27.32M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | Pictet Asset Management Holding SA | 342.61K | n/a | $22.34M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | Charles Schwab Investment… | 339.81K | n/a | $22.16M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | Fisher Asset Management ✦ | 322.86K | New | $21.05M | 0.0% | New | 1 | SEC ↗ |
| 18 | Northern Trust Corp | 321.79K | n/a | $20.98M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 19 | UBS Group AG | 316.61K | n/a | $20.64M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 20 | Td Asset Management Inc | 300.86K | n/a | $19.62M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Deutsche Bank Ag\ | 233.59K | n/a | $15.23M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 22 | Wellington Management ✦ | 214.78K | -7.5% | $14.00M | 0.0% | ▼ Trim | 7 | SEC ↗ ×7 |
| 23 | Barclays Plc | 196.77K | n/a | $12.83M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 24 | Voya Investment Management Llc | 168.68K | n/a | $11.00M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 25 | UBS AM, a distinct business unit of… | 161.03K | n/a | $10.50M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 26 | Citigroup Inc | 156.52K | n/a | $10.21M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | Russell Investments Group, Ltd. | 130.52K | n/a | $8.51M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 28 | Bank of New York Mellon Corp | 123.17K | n/a | $8.03M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 29 | Raymond James Financial Inc | 122.35K | n/a | $7.79M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 30 | Qube Research & Technologies Ltd | 97.91K | n/a | $6.38M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | Nuveen, LLC | 81.94K | n/a | $5.34M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 32 | Ameriprise Financial Inc | 69.16K | n/a | $4.51M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 33 | Aberdeen Group plc | 60.36K | n/a | $3.94M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Manufacturers Life Insurance… | 57.25K | n/a | $3.67M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Victory Capital Management Inc | 54.87K | n/a | $3.58M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Swiss National Bank | 54.70K | n/a | $3.57M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Jane Street Group, Llc | 54.67K | n/a | $3.56M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 38 | Wells Fargo & Company/Mn | 54.26K | n/a | $3.54M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 39 | Squarepoint Ops LLC | 49.88K | n/a | $3.25M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Tudor Investment Corp Et Al | 46.03K | n/a | $3.00M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Rhumbline Advisers | 44.35K | n/a | $2.89M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Alliancebernstein L.P. | 40.79K | n/a | $2.66M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Invesco Ltd. | 40.37K | n/a | $2.63M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 44 | Legal & General Group Plc | 29.57K | n/a | $1.93M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 45 | California State Teachers… | 27.11K | n/a | $1.77M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 25.16K | New | $1.64M | 0.0% | New | 1 | SEC ↗ |
| 47 | State Of Wisconsin Investment Board | 20.92K | n/a | $1.36M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | First Trust Advisors Lp | 20.90K | n/a | $1.36M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 20.00K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 50 | Prudential Financial Inc | 16.72K | n/a | $1.09M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 51 | Norges Bank ✦ (passive) | 16.71K | New | $1.09M | 0.0% | New | 1 | SEC ↗ |
| 52 | Sei Investments Co | 15.67K | n/a | $1.02M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 53 | HighTower Advisors, LLC | 12.56K | n/a | $818,782 | 0.0% | n/c | 1 | SEC ↗ |
| 54 | New York State Common Retirement… | 11.62K | n/a | $757,820 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Zurcher Kantonalbank (Zurich… | 11.12K | n/a | $724,828 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | State Board Of Administration Of… | 10.85K | n/a | $707,420 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Franklin Resources Inc | 10.13K | n/a | $660,541 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 58 | Gotham Asset Management ✦ | 9.84K | 0.0% | $641,698 | 0.0% | Held | 7 | SEC ↗ |
| 59 | LPL Financial LLC | 9.62K | n/a | $627,354 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Dimensional Fund Advisors Lp | 8.90K | n/a | $580,476 | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Millennium Management ✦ | 8.82K | -78.1% | $575,129 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 62 | ProShare Advisors LLC | 8.82K | n/a | $574,934 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Marshall Wace ✦ | 8.44K | New | $550,419 | 0.0% | New | 1 | SEC ↗ ×2 |
| 64 | AQR Capital Management ✦ | 7.96K | -74.9% | $518,992 | 0.0% | ▼ Trim | 7 | SEC ↗ ×4 |
| 65 | Creative Planning | 7.32K | n/a | $477,199 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Susquehanna International Group, Llp | 7.26K | n/a | $473,222 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Allianz Asset Management GmbH | 6.20K | n/a | $404,240 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Mercer Global Advisors Inc /Adv | 4.11K | n/a | $267,776 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Universal- Beteiligungs- und… | 3.95K | n/a | $257,670 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Quantinno Capital Management LP | 3.87K | n/a | $252,389 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Bnp Paribas Financial Markets | 3.60K | n/a | $235,046 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Simplex Trading, Llc | 3.41K | n/a | $222,592 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Man Group plc | 3.32K | n/a | $216,594 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Mariner, LLC | 3.11K | n/a | $205,756 | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Mirae Asset Global Investments Co.… | 2.81K | n/a | $183,212 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Group One Trading Llc | 1.97K | n/a | $128,379 | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Royal Bank Of Canada | 1.01K | n/a | $66,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 78 | Jones Financial Companies Lllp | 967 | n/a | $63,048 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Us Bancorp \De\ | 948 | n/a | $61,809 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 80 | Federated Hermes, Inc. | 697 | n/a | $45,444 | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Pnc Financial Services Group, Inc. | 425 | n/a | $27,710 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 82 | BNP Paribas Asset Management… | 366 | n/a | $24,000 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Cwm, Llc | 201 | n/a | $13,000 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Daiwa Securities Group Inc. | 174 | n/a | $11,000 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Rockefeller Capital Management L.P. | 97 | n/a | $6,324 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Osaic Holdings, Inc. | 94 | n/a | $6,128 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 87 | Assetmark, Inc | 50 | n/a | $3,260 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Optiver Holding B.V. | 44 | n/a | $2,869 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Northwestern Mutual Wealth… | 25 | n/a | $1,630 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Nomura Asset Management Co Ltd | 0 | n/a | $0 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Fisher Asset Management | $21.05M | 0.0% |
| D. E. Shaw & Co. | $1.64M | 0.0% |
| Norges Bank | $1.09M | 0.0% |
| Marshall Wace | $550,419 | 0.0% |
Exited
| Capital World Investors | $64.29M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 236 holders, 55.96M shares, $5.94B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
Get this via the API