PACB — PACIFIC BIOSCIENCES CALIF IN
As of Q2 2026, 36 SEC-registered investment managers reported holding PACB (PACIFIC BIOSCIENCES CALIF IN) in their latest 13F filings, with a combined reported value of $182.77M across 109.02M shares. That is +7.0% by share count (+7.13M shares) versus the previous quarter, while reported value moved +36.1%. Ownership is concentrated: the five largest holders account for 72.4% of reported value and the top ten for 88.1%.
Compared with the prior quarter, 2 opened new positions, 20 added to existing stakes, 11 trimmed. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
PACB is classified in the Industrials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| BlackRock Inc history | Q2 2026 | 32.34M | $54.33M | 0.00% | Add |
| ARK Invest history | Q2 2026 | 29.78M | $50.03M | 0.33% | Reduce |
| Vanguard Group history | Q4 2025 | 17.04M | $31.86M | 0.00% | Add |
| Geode Capital Management history | Q2 2026 | 7.61M | $12.78M | 0.00% | Add |
| Point72 Asset Management history | Q2 2026 | 4.79M | $8.04M | 0.01% | Add |
| Two Sigma Investments history | Q2 2026 | 4.24M | $7.13M | 0.01% | Add |
| D. E. Shaw & Co history | Q2 2026 | 4.21M | $7.07M | 0.00% | Add |
| Millennium Management history | Q2 2026 | 3.96M | $6.66M | 0.00% | Reduce |
| Capital World Investors history | Q3 2024 | 3.39M | $5.76M | 0.00% | Hold |
| Goldman Sachs Group history | Q2 2026 | 3.23M | $5.43M | 0.00% | Add |
| Citadel Advisors history | Q2 2026 | 3.02M | $5.08M | 0.00% | Add |
| Charles Schwab Investment Management history | Q2 2026 | 2.65M | $4.46M | 0.00% | Add |
| Northern Trust Corp history | Q2 2026 | 2.35M | $3.95M | 0.00% | Add |
| Bank of America Corp history | Q2 2026 | 1.35M | $2.26M | 0.00% | Reduce |
| Moore Capital Management history | Q3 2022 | 389.91K | $2.26M | 0.05% | New |
| Invesco Ltd history | Q2 2026 | 1.30M | $2.18M | 0.00% | Reduce |
| AQR Capital Management history | Q2 2026 | 1.30M | $2.18M | 0.00% | Add |
| Norges Bank Investment Management history | Q2 2024 | 1.21M | $1.66M | 0.00% | Reduce |
| Renaissance Technologies history | Q2 2026 | 966.20K | $1.62M | 0.00% | Reduce |
| Hillhouse Capital (HHLR Advisors) history | Q2 2026 | 918.89K | $1.54M | 0.19% | Hold |
New Positions (Q2 2026)
- JPMorgan Chase & Co 145.95K sh · $252.49K
- Bridgewater Associates 102.76K sh · $172.64K
Fully Exited (vs previous quarter)
No tracked fund fully exited this quarter.
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q4 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | 23.25M | 24.59M | 23.46M | 22.65M | 22.70M | 23.34M | 25.27M | 32.34M |
| ARK Invest | 22.74M | 26.40M | 27.27M | 28.05M | 28.70M | 25.69M | 27.75M | 26.63M | 29.82M | 34.50M | 33.29M | 33.21M | 33.41M | 36.04M | 36.48M | 36.30M | 30.92M | 37.26M | 36.27M | 29.78M |
| Geode Capital Management | 3.49M | 3.70M | 3.84M | 4.08M | 4.03M | 4.17M | 4.73M | 4.92M | 5.10M | 5.52M | 5.64M | 6.10M | 6.33M | 6.26M | 6.32M | 6.72M | 6.91M | 7.08M | 6.98M | 7.61M |
| Point72 Asset Management | — | — | — | — | 2.53M | 5.33M | 7.29M | 6.86M | 2.59M | 5.35M | 200.00K | — | — | 1.00M | — | 914.19K | — | 2.96M | 285.70K | 4.79M |
| Two Sigma Investments | 921.61K | 388.96K | 3.09M | 4.49M | — | 59.80K | 59.80K | 764.77K | 362.66K | 73.57K | 188.69K | 835.42K | 465.17K | 1.11M | 542.20K | — | 401.77K | 2.88M | 3.51M | 4.24M |
| D. E. Shaw & Co | 1.54M | 1.18M | 722.53K | 2.40M | 175.86K | 258.67K | 615.25K | 721.63K | 43.14K | 10.86K | 822.86K | 1.65M | — | — | — | 32.07K | — | 4.44M | 3.64M | 4.21M |
| Millennium Management | 389.28K | 518.40K | 2.64M | 267.97K | 762.63K | 699.89K | 201.30K | 1.40M | 568.92K | 103.50K | 2.46M | 4.78M | 10.62M | 17.07M | 2.20M | 918.24K | 4.92M | 4.34M | 4.89M | 3.96M |
| Goldman Sachs Group | 2.37M | 2.68M | 2.90M | 8.44M | 3.66M | 2.54M | 2.32M | 2.46M | 1.69M | 1.59M | 2.21M | 3.98M | 4.24M | 4.79M | 1.86M | 484.74K | 509.43K | 1.38M | 988.47K | 3.23M |
| Citadel Advisors | 715.90K | 481.55K | 2.39M | 423.23K | 5.04M | 5.14M | 5.66M | 4.50M | 3.58M | 950.20K | 1.85M | 1.28M | 328.62K | 909.58K | 308.62K | 457.10K | 2.93M | 3.66M | 1.83M | 3.02M |
| Charles Schwab Investment Management | 1.45M | 1.59M | 1.63M | 1.67M | 1.55M | 1.58M | 1.74M | 1.78M | 1.84M | 1.97M | 1.99M | 1.96M | 2.04M | 2.18M | 2.12M | 2.29M | 2.43M | 2.47M | 2.41M | 2.65M |
| Northern Trust Corp | 2.30M | 1.98M | 1.98M | 2.12M | 2.41M | 2.40M | 2.54M | 2.82M | 2.82M | 2.70M | 2.54M | 2.50M | 2.36M | 2.51M | 2.43M | 2.21M | 2.29M | 2.05M | 2.13M | 2.35M |
| Bank of America Corp | 259.77K | 455.98K | 593.83K | 1.05M | 617.95K | 535.98K | 839.89K | 597.72K | 823.80K | 823.04K | 1.60M | 1.86M | 2.35M | 2.21M | 1.20M | 702.70K | 1.47M | 1.85M | 1.67M | 1.35M |
| Invesco Ltd | 92.49K | 3.20M | 111.28K | 115.99K | 112.47K | 315.48K | 187.62K | 1.18M | 1.11M | 201.99K | 242.73K | 253.85K | 260.57K | 261.58K | 524.64K | 839.34K | 1.11M | 1.43M | 1.47M | 1.30M |
| AQR Capital Management | 137.42K | 62.42K | — | — | — | — | 16.22K | 33.74K | 38.25K | 72.09K | 108.36K | — | — | — | 10.92K | 16.99K | 51.34K | 86.96K | 759.49K | 1.30M |
| Renaissance Technologies | 273.80K | — | 868.70K | 114.20K | — | — | — | — | 326.62K | — | — | — | — | — | — | — | — | 3.85M | 2.49M | 966.20K |
| Hillhouse Capital (HHLR Advisors) | 911.04K | — | — | — | — | — | — | — | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K | 918.89K |
| UBS Group AG | 109.55K | 99.98K | 97.22K | 39.63K | 80.19K | 52.84K | 785.67K | 230.08K | 22.65K | 33.89K | 677.25K | 829.13K | 642.85K | 1.49M | 2.28M | 1.99M | 1.50M | 3.17M | 1.64M | 893.14K |
| BNY Mellon | 995.02K | 1.01M | 997.04K | 847.23K | 962.39K | 964.04K | 1.49M | 1.89M | 4.40M | 4.89M | 11.38M | 9.94M | 5.57M | 5.20M | 863.64K | 888.47K | 805.56K | 834.57K | 813.41K | 767.57K |
| Casdin Capital | 7.99M | 7.99M | 7.99M | — | — | — | — | — | 1.04M | 1.04M | 1.04M | 1.04M | 1.04M | 1.04M | 723.77K | 723.77K | 723.77K | 4.22M | 723.77K | 723.77K |
| Balyasny Asset Management | — | 26.31K | — | 25.00K | — | 349.39K | — | — | 326.77K | — | 288.61K | — | — | — | — | — | — | — | 260.54K | 564.34K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
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