Pacific Biosciences of California Ownership | Who Owns Pacific Biosciences of California?
Pacific Biosciences of California Ownership Summary
Pacific Biosciences of California is owned by 37.53% institutional investors, 7.84% insiders, and 54.63% retail investors. Ark investment management is the largest institutional shareholder, holding 10.30% of PACB shares. ARK Disruptive Innovation Full Composite is the top mutual fund, with 7.27% of its assets in Pacific Biosciences of California shares.
PACB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Pacific Biosciences of California | 37.53% | 7.84% | 54.63% |
| Sector | Healthcare Stocks | 42.50% | 10.81% | 46.69% |
| Industry | Medical Device Stocks | 37.66% | 10.02% | 52.32% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ark investment management | 30.92M | 10.30% | $39.58B |
| Blackrock | 23.61M | 8.76% | $32.34M |
| Blackrock funding, inc. /de | 22.70M | 7.56% | $29.05M |
| Softbank group | 20.45M | 6.81% | $26.18M |
| Vanguard group | 16.38M | 5.46% | $20.97M |
| Edmond de rothschild | 10.68M | 3.56% | $13.66B |
| Sumitomo mitsui trust | 8.68M | 2.89% | $11.11M |
| Nikko asset management americas | 8.68M | 2.89% | $11.02M |
| Geode capital management | 6.91M | 2.30% | $8.84M |
| State street | 5.91M | 1.97% | $7.56M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Amiral gestion | 2.73M | 1.17% | $3.21M |
| Birchview capital, lp | 500.00K | 0.48% | $640.00K |
| Bourne lent asset management | 972.25K | 0.47% | $1.21M |
| Point72 (difc) | 4.27M | 0.36% | $5.47M |
| Koss-olinger consulting | 3.30M | 0.34% | $4.09M |
| Madrone advisors | 4.98M | 0.31% | $6.37M |
| Ark investment management | 30.92M | 0.24% | $39.58B |
| Green alpha advisors | 174.03K | 0.21% | $222.75K |
| Edmond de rothschild | 10.68M | 0.21% | $13.66B |
| Koa wealth management | 120.00K | 0.11% | $153.60K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Point72 (difc) | 4.27M | 0.36% | 1.81M |
| Norges bank | 1.21M | 0.00% | 1.21M |
| Squarepoint ops | 932.08K | 0.00% | 637.49K |
| Iq eq fund management (ireland) | 1.29M | 0.11% | 499.42K |
| Gsa capital partners llp | 409.37K | 0.04% | 409.37K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 2.20M | 0.00% | -14.86M |
| Madrone advisors | 4.98M | 0.31% | -11.79M |
| Deep track capital, lp | - | - | -7.00M |
| Macquarie group | - | - | -6.64M |
| Ark investment management | 30.92M | 0.24% | -5.37M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 1.21M | 0.00% | 1.21M | $1.66M |
| Quadrature capital | 352.36K | 0.01% | 352.36K | $449.25K |
| Caxton associates lp | 315.35K | 0.02% | 315.35K | $577.09K |
| Man group | 250.28K | 0.00% | 250.28K | $320.35K |
| Main street research | 142.10K | 0.01% | 142.10K | $181.89K |
Sold Out
| Holder | Change |
|---|---|
| Org partners | -1.00 |
| Sjs investment consulting | -6.00 |
| Dinuzzo private wealth | -7.00 |
| Financial gravity asset management | -13.00 |
| Jfs wealth advisors | -14.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 8 | -96.62% | 27,605,046 | -89.36% | 9 | 0.10% | - | -100.00% | 4 | -93.85% |
| Dec 31, 2024 | 101 | -57.38% | 117,401,371 | -49.38% | 43 | 0.60% | 50 | -45.05% | 26 | -65.79% |
| Sep 30, 2024 | 232 | -3.33% | 231,728,472 | -4.37% | 84 | 1.05% | 88 | -24.79% | 76 | 31.03% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| ARK Disruptive Innovation Full Composite | 21.83M | 7.27% | 87.22K |
| ARK Innovation ETF | 16.24M | 5.41% | -249.00K |
| EdRF Big Data N EUR | 12.06M | 4.02% | -25.74K |
| ARK Genomic Revolution | 10.99M | 3.66% | -638.66K |
| ARK Genomic Revolution ETF | 10.90M | 3.63% | -38.88K |
| Vanguard US Total Market Shares ETF | 8.93M | 3.00% | - |
| Vanguard Total Stock Mkt Idx Inv | 8.80M | 2.93% | -195.14K |
| iShares Russell 2000 ETF | 6.77M | 2.25% | - |
| Nikko AM ARK Pstv Chg Innovt P JPY Acc | 5.08M | 1.69% | - |
| Amova ARK Pstv Chg Innovt P JPY Acc | 4.76M | 1.58% | -322.44K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 18, 2025 | Van Oene Mark | See Remarks | Sell | $35.18K |
| May 19, 2025 | Farmer Michele | See Remarks | Sell | $5.20K |
| Mar 03, 2025 | HENRY CHRISTIAN O | See Remarks | Sell | $17.58K |
| Mar 03, 2025 | Van Oene Mark | See Remarks | Sell | $9.13K |
| Mar 03, 2025 | Farmer Michele | See Remarks | Sell | $4.18K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | 7 |
| 2024 Q3 | - | 4 |
| 2024 Q2 | - | 1 |
PACB Ownership FAQ
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