Which hedge funds own PACB? PACIFIC BIOSCIENCES CALIF IN, Q2 2026 13F holders
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13 of the hedge funds tracked by WhaleCreep disclosed a position in PACB (PACIFIC BIOSCIENCES CALIF IN) in their Q2 2026 13F filings, worth $31.1m in total. The largest holder by portfolio weight is Casdin Capital at 0.1% of its book. 2 managers opened a new position this quarter: Bronte Capital, Bridgewater Associates. 1 exited: Brevan Howard Capital Management.
13tracked managers holding
2opened this quarter
1exited this quarter
Which hedge funds hold PACB? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Casdin Capital | Q2 2026 | 0.1% | $1.2m | 723,767 | 0% | held |
| Point72 Asset Management LP | Q2 2026 | 0.0% | $8.0m | 4,787,300 | 1576% | added |
| Tudor Investment | Q2 2026 | 0.0% | $1.2m | 684,707 | 0% | held |
| Millennium Management | Q2 2026 | 0.0% | $6.7m | 3,962,442 | -19% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $7.1m | 4,208,146 | 16% | added |
| Bronte Capital | Q2 2026 | 0.0% | $30.0k | 17,881 | – | new |
| Citadel Advisors | Q2 2026 | 0.0% | $4.8m | 2,845,903 | 81% | added |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $1.6m | 966,200 | -61% | reduced |
| Bridgewater Associates | Q2 2026 | 0.0% | $172.6k | 102,761 | – | new |
| Marshall Wace | Q2 2026 | 0.0% | $274.9k | 163,642 | 101% | added |
| Horizon Kinetics | Q2 2026 | 0.0% | $16.9k | 10,068 | -5% | reduced |
| Farallon Capital Management | Q2 2026 | 0.0% | $23.9k | 14,200 | -89% | reduced |
| Ancora Advisors | Q2 2026 | 0.0% | $722 | 430 | 0% | held |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.0% | $14.3k |
Held in a manager's last filing on record
These managers have not filed for the latest quarter; their last disclosure is dated.
| Manager | Last filing | Weight |
|---|---|---|
| Caxton Associates | Q4 2024 | 0.0% |
How has hedge fund ownership of PACB changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 13 | $31.1m |
| Q1 2026 | 12 | $19.2m |
| Q4 2025 | 7 | $21.2m |
| Q3 2025 | 4 | $1.1m |
| Q2 2025 | 5 | $2.2m |
| Q1 2025 | 4 | $2.2m |
| Q4 2024 | 5 | $7.1m |
| Q3 2024 | 5 | $5.7m |
| Q2 2024 | 4 | $3.9m |
| Q1 2024 | 7 | $33.6m |
| Q4 2023 | 6 | $153.9m |
| Q3 2023 | 7 | $147.0m |
| Q2 2023 | 7 | $282.2m |
| Q1 2023 | 7 | $220.9m |
| Q4 2022 | 5 | $85.8m |
| Q3 2022 | 3 | $17.0m |
Counts every tracked manager that disclosed PACB in that quarter's filing, including managers that have since stopped filing.