Pacific Biosciences of California, Inc. (PACB) ownership: Top institutional holder: ARK Investment Management LLC ($47.88M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| ARK Investment Management LLC | 36273288.00 | $47.88M | 2026-03-31 |
| BlackRock, Inc. | 25267429.00 | $33.35M | 2026-03-31 |
| VANGUARD GROUP INC | 17037314.00 | $31.86M | 2025-12-31 |
| SOFTBANK GROUP CORP. | 20451570.00 | $27.00M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 12777449.00 | $16.87M | 2026-03-31 |
| BlackRock Fund Advisors | 3894087.00 | $14.80M | 2016-12-31 |
| Sumitomo Mitsui Trust Group, Inc. | 7037987.00 | $9.29M | 2026-03-31 |
| Amova Asset Management Americas, Inc. | 7037987.00 | $9.22M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-17 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-04-08 | |
| Sell | null | 2026-04-08 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-03-03 | |
| Sell | null | 2026-03-03 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.