ARCELLX INC ACLXGBX
Latest 13F among current holders filed 5 days ago (Aug 28, 2026)
Institutional holders
240
+21 QoQ
13F value
$6.52B
+38.3% QoQ
Smart-money holders
36
signal tier ≥ 2
New smart buyers
26
Q1 2026
Options barometer
3.2×
$120.1M calls / $37.6M puts
Institutional value by quarter
Number of holders
Who owns ACLXGBX?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| GILEAD SCIENCES, INC. ★3 | Fundamental concentrated | 6.7M | $771.7M | — | Held |
| Paradigm Biocapital Advisors LP ★2 | Fundamental concentrated | 5.8M | $663.0M | — | +0.9% |
| BlackRock, Inc. | Index provider | 3.9M | $453.0M | 0.0% | +11.2% |
| NEA Management Company, LLC ★3 | Fundamental concentrated | 3.0M | $349.7M | — | Held |
| Pentwater Capital Management LP ★2 | Fundamental concentrated | 2.9M | $329.5M | 2.3% | New |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.4M | $278.5M | — | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.4M | $278.4M | — | — |
| SR One Capital Management, LP ★3 | Fundamental concentrated | 2.3M | $269.4M | — | Held |
| FIL Ltd | Other | 2.3M | $268.6M | 0.2% | New |
| HBK INVESTMENTS L P ★2 | Fundamental diversified | 2.3M | $261.6M | 3.6% | New |
| T. Rowe Price Investment Management, Inc. | Long only active | 2.3M | $259.0M | — | -86.1% |
| STATE STREET CORP | Index provider | 1.7M | $192.4M | 0.0% | -16.1% |
| GLAZER CAPITAL, LLC | Quant stat arb | 1.5M | $173.0M | — | New |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.3M | $150.7M | 0.0% | +96.3% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.0M | $118.1M | — | +7.4% |
| MORGAN STANLEY | Bank broker | 925.8K | $106.3M | 0.0% | +78.6% |
| JPMORGAN CHASE & CO | Bank broker | 593.6K | $68.1M | 0.0% | -59.2% |
| Davidson Kempner Capital Management LP | Quant stat arb | 559.6K | $64.3M | 1.8% | New |
| TIG Advisors, LLC ★2 | Fundamental concentrated | 541.4K | $62.2M | 3.0% | New |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 502.8K | $57.7M | 0.0% | +5600.6% |
| Balyasny Asset Management L.P. | Multistrat pod | 479.8K | $55.1M | 0.1% | New |
| TUDOR INVESTMENT CORP ET AL | Quant stat arb | 462.6K | $53.1M | 0.3% | +905.0% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 452.3K | $51.9M | 0.0% | +5.7% |
| O'Connor Alternative Investments LLC ★2 | Fundamental diversified | 450.5K | $51.7M | — | — |
| Magnetar Financial LLC | Quant stat arb | 394.9K | $45.3M | — | New |
| ALPINE ASSOCIATES MANAGEMENT INC. ★2 | Fundamental concentrated | 378.0K | $43.4M | — | New |
| NEXPOINT ASSET MANAGEMENT, L.P. ★2 | Fundamental diversified | 373.1K | $42.8M | — | New |
| Affinity Asset Advisors, LLC ★2 | Fundamental diversified | 362.8K | $41.7M | — | -30.7% |
| NORTHERN TRUST CORP | Index provider | 350.1K | $40.2M | 0.0% | +8.8% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 346.1K | $39.7M | — | +1.8% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 544.2K | $35.5M | 0.0% | +1234.2% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 308.5K | $35.4M | — | — |
| Qube Research & Technologies Ltd | Quant stat arb | 303.8K | $34.9M | — | +210.3% |
| First Trust Capital Management L.P. | Quant stat arb | 238.2K | $27.4M | — | New |
| AQR Arbitrage LLC | Other | 231.7K | $26.6M | — | New |
| AJU IB Investment Co., Ltd. ★2 | Fundamental diversified | 223.5K | $25.7M | — | Held |
| LMR Partners LLP | Quant stat arb | 212.5K | $24.4M | 0.3% | New |
| BARCLAYS PLC | Bank broker | 207.6K | $23.8M | 0.0% | +5.5% |
| SOROS FUND MANAGEMENT LLC ★2 | Value conviction | 200.0K | $23.0M | 0.4% | New |
| GABELLI FUNDS LLC | Diversified mechanical | 195.9K | $22.5M | — | New |
| UBS Group AG | Bank broker | 194.7K | $22.4M | 0.0% | -38.5% |
| Verition Fund Management LLC | Multistrat pod | 187.4K | $21.5M | 0.2% | New |
| WATER ISLAND CAPITAL LLC ★2 | Fundamental concentrated | 183.4K | $21.1M | — | New |
| Man Group plc | Quant stat arb | 180.0K | $20.7M | — | +5318.4% |
| Rock Springs Capital Management LP ★2 | Fundamental diversified | 169.9K | $19.5M | — | Held |
| GABELLI & Co INVESTMENT ADVISERS, INC. | Other | 152.4K | $17.5M | — | New |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 151.6K | $17.4M | 0.0% | +4104.1% |
| Groupe la Francaise | Other | 151.0K | $17.3M | — | New |
| Bank of New York Mellon Corp | Diversified mechanical | 143.1K | $16.4M | 0.0% | +16.2% |
| CREDIT INDUSTRIEL ET COMMERCIAL | Other | 134.6K | $15.5M | — | New |
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