Pacific Biosciences of California Ownership | Who Owns Pacific Biosciences of California?
Pacific Biosciences of California Ownership Summary
Pacific Biosciences of California is owned by 62.37% institutional investors, 8.91% insiders, and 28.72% retail investors. Ark investment management is the largest institutional shareholder, holding 12.01% of PACB shares. ARK Innovation ETF is the top mutual fund, with 4.28% of its assets in Pacific Biosciences of California shares.
PACB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Pacific Biosciences of California | 62.37% | 8.91% | 28.72% |
| Sector | Healthcare Stocks | 246.48% | 12.12% | -158.60% |
| Industry | Medical Device Stocks | 52.58% | 12.61% | 34.81% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ark investment management | 36.27M | 12.01% | $47.88M |
| Blackrock | 23.61M | 8.76% | $32.34M |
| Blackrock funding, inc. /de | 25.27M | 8.37% | $33.35M |
| Softbank group | 20.45M | 6.77% | $27.00M |
| Vanguard group | 17.04M | 5.66% | $31.86M |
| Edmond de rothschild | 10.68M | 3.56% | $13.66B |
| Nikko asset management americas | 7.04M | 2.33% | $9.22M |
| Geode capital management | 6.63M | 2.14% | $15.73M |
| State street | 6.12M | 2.03% | $8.08M |
| Millennium management | 4.89M | 1.62% | $6.46M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Birchview capital, lp | 1.50M | 1.13% | $1.98M |
| Bourne lent asset management | 943.05K | 0.76% | $2.24M |
| Capricorn fund managers | 1.93M | 0.43% | $4.58M |
| Ark investment management | 36.27M | 0.37% | $47.88M |
| Point72 (difc) | 4.27M | 0.36% | $5.47M |
| Green alpha advisors | 182.62K | 0.24% | $241.06K |
| Softbank group | 20.45M | 0.24% | $27.00M |
| Edmond de rothschild | 10.68M | 0.21% | $13.66B |
| Iq eq fund management (ireland) | 1.79M | 0.18% | $2.36M |
| Nikko asset management americas | 7.04M | 0.13% | $9.22M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Nuveen | 2.95M | 0.00% | 2.10M |
| Vanguard fiduciary trust | 1.99M | 0.00% | 1.99M |
| Capricorn fund managers | 1.93M | 0.43% | 1.93M |
| Blackrock funding, inc. /de | 25.27M | 0.00% | 1.92M |
| Point72 (difc) | 4.27M | 0.36% | 1.81M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Deep track capital, lp | - | - | -7.00M |
| Macquarie group | - | - | -6.64M |
| Madrone advisors | - | - | -4.98M |
| Bellevue group | - | - | -4.59M |
| Casdin capital | 723.77K | 0.07% | -3.50M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 1.99M | 0.00% | 1.99M | $2.62M |
| Capricorn fund managers | 1.93M | 0.43% | 1.93M | $4.58M |
| Norges bank | 1.21M | 0.00% | 1.21M | $1.66M |
| Qube research | 1.18M | 0.00% | 1.18M | $1.56M |
| Tudor investment corp et al | 684.71K | 0.00% | 684.71K | $903.81K |
Sold Out
| Holder | Change |
|---|---|
| Org partners | -1.00 |
| Dinuzzo private wealth | -7.00 |
| Financial gravity asset management | -13.00 |
| Jfs wealth advisors | -14.00 |
| Pnc financial services group | -23.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 228 | -3.80% | 193,744,105 | 2.95% | 62 | 1.65% | 92 | -18.58% | 78 | 9.86% |
| Mar 31, 2026 | 229 | 1.78% | 186,483,662 | -7.10% | 61 | 1.39% | 109 | -3.54% | 68 | 36.00% |
| Dec 31, 2025 | 114 | -46.98% | 119,775,955 | -35.68% | 39 | 1.03% | 50 | -39.76% | 29 | -52.46% |
| Sep 30, 2025 | 102 | -50.24% | 112,641,910 | -42.72% | 37 | 0.87% | 33 | -58.23% | 33 | -50.75% |
| Jun 30, 2025 | 210 | -8.70% | 195,613,890 | -13.10% | 65 | 1.13% | 81 | -12.90% | 69 | -1.43% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| ARK Innovation ETF | 13.30M | 4.28% | -432.96K |
| ARK Disruptive Innovation Full Composite | 13.27M | 4.27% | -7.55M |
| EdRF Big Data N EUR | 12.06M | 4.02% | -25.74K |
| ARK Genomic Revolution ETF | 11.75M | 3.78% | 67.69K |
| ARK Genomic Revolution | 10.68M | 3.44% | 301.15K |
| Vanguard Morn Total Stk Mkt Idx Investor | 9.54M | 3.07% | - |
| Vanguard Total Stock Mkt Idx Inv | 9.54M | 3.07% | - |
| Vanguard MStar Total Stk Mkt Idx Invest | 9.54M | 3.07% | - |
| Vanguard US Total Market Shares ETF | 8.93M | 3.00% | - |
| iShares Russell 2000 ETF | 7.37M | 2.37% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 06, 2026 | Gibson James R II | See Remarks | Sell | $2.06M |
| Aug 17, 2026 | Van Oene Mark | See Remarks | Sell | $30.41K |
| Apr 01, 2026 | Gibson James R II | See Remarks | Sell | $120.81K |
| Mar 03, 2026 | HENRY CHRISTIAN O | See Remarks | Sell | $18.92K |
| Mar 03, 2026 | Van Oene Mark | See Remarks | Sell | $9.85K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | 1 |
| 2026 Q3 | - | 1 |
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | 9 |
| 2025 Q3 | - | 1 |
PACB Ownership FAQ
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