| 20.5M |
| $34.4M |
| 0.0% |
| 6.585% |
| 0.19% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 13.4M | $22.5M | +4.9% | 4.314% | 0.00% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 7.6M | $12.8M | +9.0% | 2.449% | 0.00% |
| 6 | Sumitomo Mitsui Trust Group, Inc. | 6.0M | $10.1M | -14.6% | 1.935% | 0.01% |
| 7 | Amova Asset Management Americas, Inc. | 6.0M | $10.0M | -14.6% | 1.935% | 0.13% |
| 8 | STATE STREET CORP | 6.0M | $10.0M | -2.6% | 1.919% | 0.00% |
| 9 | Point72 Asset Management, L.P. | 4.8M | $8.0M | +1575.6% | 1.541% | 0.01% |
| 10 | TWO SIGMA INVESTMENTS, LP | 4.2M | $7.1M | +20.9% | 1.366% | 0.01% |
| 11 | D. E. Shaw & Co., Inc. | 4.2M | $7.1M | +15.7% | 1.355% | 0.00% |
| 12 | MILLENNIUM MANAGEMENT LLC | 4.0M | $6.7M | -19.0% | 1.276% | 0.00% |
| 13 | GOLDMAN SACHS GROUP INC | 3.2M | $5.4M | +226.8% | 1.040% | 0.00% |
| 14 | CITADEL ADVISORS LLC | 3.0M | $5.1M | +65.5% | 0.973% | 0.00% |
| 15 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 2.8M | $4.7M | +14.5% | 0.892% | 0.00% |
| 16 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.7M | $4.5M | -6.9% | 0.860% | 0.00% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.7M | $4.5M | +10.3% | 0.854% | 0.00% |
| 18 | NORTHERN TRUST CORP | 2.4M | $4.0M | +10.4% | 0.758% | 0.00% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 2.2M | $3.7M | +10.1% | 0.704% | 0.00% |
| 20 | Longaeva Partners L.P. | 2.1M | $3.6M | — | 0.682% | 0.08% |
| 21 | IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 1.7M | $2.8M | -5.3% | 0.546% | 0.18% |
| 22 | Birchview Capital, LP | 1.4M | $2.3M | -10.0% | 0.435% | 1.06% |
| 23 | BANK OF AMERICA CORP /DE/ | 1.3M | $2.3M | -19.1% | 0.434% | 0.00% |
| 24 | Invesco Ltd. | 1.3M | $2.2M | -11.7% | 0.418% | 0.00% |
| 25 | AQR CAPITAL MANAGEMENT LLC | 1.3M | $2.2M | +70.7% | 0.417% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PACB — a direct measure of their conviction.
| 75.35% |
| 13.07 pp |
| $259M |
| 43% |
| Q4 2024 | 226 | +3.2% | 88.42% | +7.27 pp | $458M | +23% |
| Q3 2024 | 219 | — | 81.15% | — | $373M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
22 institutions opened new positions in PACB during Q2 2026, while 28 fully exited. 155 added to existing positions and 38 trimmed.
PACB institutional ownership rose by 0.86 percentage points quarter-over-quarter, with a net change of -7 holders.
The top 10 institutions account for 68.4% of all reported 13F value in PACB, and the top 25 account for 87.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Pacific Biosciences of California, Inc. (PACB) Institutional Ownership