PACIFIC BIOSCIENCES OF CALIF PACB
$1.68
-3.4% 52w: $1.12 – $2.67
Latest 13F among current holders filed 32 days ago (Jun 3, 2026)
Price — last 12 months
research preview data1.121.902.67
Jun 20, 2025 Jul 2, 2026
Institutional holders
229
+13 QoQ
13F value
$248.5M
-33.5% QoQ
Smart-money holders
15
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
0.9×
$759K calls / $852K puts
Institutional value by quarter
Number of holders
Who owns PACB?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| ARK Investment Management LLC ★2 | Long only active | 36.3M | $47.9M | 0.4% | -2.7% |
| BlackRock, Inc. | Index provider | 25.3M | $33.4M | 0.0% | +8.2% |
| SOFTBANK GROUP CORP. ★3 | Fundamental concentrated | 20.5M | $27.0M | 0.2% | Held |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 12.8M | $16.9M | 0.0% | — |
| Sumitomo Mitsui Trust Group, Inc. | Diversified mechanical | 7.0M | $9.3M | 0.0% | -9.9% |
| Amova Asset Management Americas, Inc. ★2 | Fundamental diversified | 7.0M | $9.2M | 0.1% | -9.9% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 7.0M | $9.2M | 0.0% | -1.5% |
| STATE STREET CORP | Index provider | 6.1M | $8.1M | 0.0% | +3.5% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 4.9M | $6.5M | 0.0% | +12.6% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 3.6M | $4.8M | 0.0% | -18.0% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 3.5M | $4.6M | 0.0% | +22.0% |
| Nuveen, LLC | Diversified mechanical | 3.0M | $3.9M | 0.0% | +247.9% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 2.9M | $3.8M | 0.0% | — |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 2.5M | $3.3M | 0.0% | -35.4% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 2.4M | $3.2M | 0.0% | -2.4% |
| NORTHERN TRUST CORP | Index provider | 2.1M | $2.8M | 0.0% | +4.1% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 2.0M | $2.6M | 0.0% | — |
| MORGAN STANLEY | Bank broker | 1.8M | $2.4M | 0.0% | -23.6% |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | Other | 1.8M | $2.4M | 0.2% | -5.6% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Market maker | 1.7M | $2.3M | 0.0% | -34.2% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.7M | $2.2M | 0.0% | -10.1% |
| UBS Group AG | Bank broker | 1.6M | $2.2M | 0.0% | -48.3% |
| CITADEL ADVISORS LLC | Multistrat pod | 1.6M | $2.1M | 0.0% | -50.2% |
| Birchview Capital, LP ★2 | Fundamental diversified | 1.5M | $2.0M | 1.1% | +200.0% |
| Invesco Ltd. | Index provider | 1.5M | $1.9M | 0.0% | +2.5% |
| JANE STREET GROUP, LLC | Market maker | 1.4M | $1.8M | 0.0% | -7.4% |
| HRT FINANCIAL LP | Diversified mechanical | 1.3M | $1.7M | 0.0% | -7.2% |
| Qube Research & Technologies Ltd | Quant stat arb | 1.2M | $1.6M | 0.0% | New |
| GOLDMAN SACHS GROUP INC | Bank broker | 988.5K | $1.3M | 0.0% | -28.3% |
| BOURNE LENT ASSET MANAGEMENT INC ★2 | Fundamental diversified | 951.1K | $1.3M | 0.5% | -1.7% |
| HHLR ADVISORS, LTD. ★3 | Fundamental concentrated | 918.9K | $1.2M | 0.1% | Held |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 899.5K | $1.2M | 0.0% | +177.9% |
| Bank of New York Mellon Corp | Diversified mechanical | 813.4K | $1.1M | 0.0% | -2.5% |
| Universal- Beteiligungs- und Servicegesellschaft mbH | Diversified mechanical | 808.7K | $1.1M | 0.0% | Held |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 759.5K | $1.0M | 0.0% | +773.3% |
| Casdin Capital, LLC ★3 | Fundamental concentrated | 723.8K | $955K | 0.1% | -82.9% |
| TUDOR INVESTMENT CORP ET AL | Quant stat arb | 684.7K | $904K | 0.0% | New |
| Mirador Capital Partners LP | Other | 604.9K | $798K | 0.1% | +2.3% |
| PEAK6 LLC | Market maker | 599.0K | $791K | 0.0% | New |
| CARRET ASSET MANAGEMENT, LLC | Other | 559.1K | $738K | 0.1% | +19.0% |
| Vestmark Advisory Solutions, Inc. | Wealth advisor | 550.1K | $726K | 0.0% | 0.0% |
| ALLIANCEBERNSTEIN L.P. | Long only active | 387.1K | $724K | 0.0% | Held |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 502.7K | $664K | 0.0% | New |
| Russell Investments Group, Ltd. | Diversified mechanical | 469.9K | $620K | 0.0% | +1866.0% |
| ArrowMark Colorado Holdings LLC | Other | 468.4K | $618K | 0.0% | Held |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 418.8K | $549K | 0.0% | -5.1% |
| GROUP ONE TRADING LLC | Market maker | 365.0K | $482K | 0.0% | -20.7% |
| CAXTON ASSOCIATES LLP | Fundamental diversified | 353.1K | $466K | 0.0% | -45.0% |
| RHUMBLINE ADVISERS | Diversified mechanical | 348.9K | $461K | 0.0% | -3.3% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 336.3K | $444K | 0.0% | +3.4% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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