Security record · archived quarter
ACLX
Arcellx, Inc. · Healthcare · Biotechnology
13Tracked holders
0Δ holders
6.16MShares held
$404.16MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +14.4% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 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 | — | −2 |
| Q2 2025 | 14 | -2 | 18.84M | $1.24B | — | −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 | — | 3.07M | $169.41M | — | — |
Who holds it · Q1 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | T. Rowe Price ✦ | 1.84M | -13.3% | $120.68M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | T. Rowe Price ✦ | 1.84M | -13.3% | $120.68M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 1.67M | -6.1% | $109.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | Geode Capital Management ✦ (passive) | 1.02M | +4.2% | $66.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 5 | Geode Capital Management ✦ (passive) | 1.02M | +4.2% | $66.96M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | Citadel Advisors ✦ | 726.13K | +2778.5% | $47.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 726.13K | +2778.5% | $47.63M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Capital World Investors ✦ | 709.37K | +180.5% | $46.53M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Renaissance Technologies ✦ | 68.00K | +38.5% | $4.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Millennium Management ✦ | 51.06K | +128.2% | $3.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Wellington Management ✦ | 18.44K | -6.4% | $1.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | Wellington Management ✦ | 18.44K | -6.4% | $1.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | Wellington Management ✦ | 18.44K | -6.4% | $1.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | Wellington Management ✦ | 18.44K | -6.4% | $1.21M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | AQR Capital Management ✦ | 17.14K | -15.3% | $1.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 17.14K | -15.3% | $1.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | AQR Capital Management ✦ | 17.14K | -15.3% | $1.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | AQR Capital Management ✦ | 17.14K | -15.3% | $1.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 17.14K | -15.3% | $1.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 20 | Marshall Wace ✦ | 15.40K | New | $1.01M | 0.0% | New | 1 | SEC ↗ |
| 21 | Norges Bank ✦ (passive) | 11.22K | -58.8% | $736,098 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Gotham Asset Management ✦ | 10.45K | -0.5% | $685,651 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | Two Sigma Investments ✦ | 6.90K | 0.0% | $452,640 | 0.0% | Held | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Marshall Wace | $1.01M | 0.0% |
Exited
| Duquesne Family Office | $5.68M | was 0.2% |
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: Q1 2025 ·
Methodology ·
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