Pacific Biosciences of California Ownership | Who Owns Pacific Biosciences of California?
Pacific Biosciences of California Ownership Summary
Pacific Biosciences of California is owned by 39.81% institutional investors, 9.00% insiders, and 51.19% retail investors. Ark investment management is the largest institutional shareholder, holding 12.39% of PACB shares. ARK Disruptive Innovation Full Composite is the top mutual fund, with 7.07% of its assets in Pacific Biosciences of California shares.
PACB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Pacific Biosciences of California | 39.81% | 9.00% | 51.19% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Medical Device Stocks | 37.54% | 10.61% | 51.85% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Ark investment management | 37.26M | 12.39% | $69.68M |
| Blackrock | 23.61M | 8.76% | $32.34M |
| Blackrock funding, inc. /de | 23.34M | 7.76% | $43.66M |
| Softbank group | 20.45M | 6.81% | $26.18M |
| Vanguard group | 17.04M | 5.66% | $31.86M |
| Edmond de rothschild | 10.68M | 3.56% | $13.66B |
| Sumitomo mitsui trust | 7.81M | 2.60% | $14.60M |
| Nikko asset management americas | 7.81M | 2.60% | $14.60M |
| Geode capital management | 7.08M | 2.35% | $13.24M |
| State street | 5.91M | 1.97% | $11.06B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Amiral gestion | 2.73M | 1.18% | $3.21M |
| Bourne lent asset management | 967.05K | 0.60% | $1.81M |
| Birchview capital, lp | 500.00K | 0.48% | $640.00K |
| Ark investment management | 37.26M | 0.46% | $69.68M |
| Koss-olinger consulting | 2.60M | 0.38% | $4.86M |
| Point72 (difc) | 4.27M | 0.36% | $5.47M |
| Green alpha advisors | 183.47K | 0.31% | $343.08K |
| Iq eq fund management (ireland) | 1.89M | 0.24% | $3.54M |
| Edmond de rothschild | 10.68M | 0.21% | $13.66B |
| Nikko asset management americas | 7.81M | 0.17% | $14.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ark investment management | 37.26M | 0.46% | 6.34M |
| Renaissance | 3.85M | 0.01% | 3.85M |
| Morgan stanley | 2.41M | 0.00% | 1.96M |
| Point72 (difc) | 4.27M | 0.36% | 1.81M |
| Ubs group | 3.17M | 0.00% | 1.67M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 2.20M | 0.00% | -14.86M |
| Deep track capital, lp | - | - | -7.00M |
| Macquarie group | - | - | -6.64M |
| Madrone advisors | - | - | -4.98M |
| Bellevue group | - | - | -4.59M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Renaissance | 3.85M | 0.01% | 3.85M | $7.20M |
| 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 |
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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| ARK Disruptive Innovation Full Composite | 21.35M | 7.07% | 5.12M |
| ARK Innovation ETF | 20.94M | 6.93% | 318.17K |
| EdRF Big Data N EUR | 12.06M | 4.02% | -25.74K |
| ARK Genomic Revolution ETF | 11.01M | 3.64% | - |
| ARK Genomic Revolution | 10.73M | 3.55% | 345.39K |
| Vanguard US Total Market Shares ETF | 8.93M | 3.00% | - |
| Vanguard Total Stock Mkt Idx Inv | 8.96M | 2.97% | - |
| iShares Russell 2000 ETF | 6.65M | 2.20% | 1.69M |
| Nikko AM ARK Pstv Chg Innovt P JPY Acc | 5.08M | 1.69% | - |
| Amova ARK Pstv Chg Innovt P JPY Acc | 4.16M | 1.38% | -130.13K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 03, 2026 | HENRY CHRISTIAN O | See Remarks | Sell | $18.92K |
| Mar 03, 2026 | Van Oene Mark | See Remarks | Sell | $9.85K |
| Mar 03, 2026 | Farmer Michele | See Remarks | Sell | $4.51K |
| Feb 17, 2026 | Van Oene Mark | See Remarks | Sell | $204.55K |
| Feb 18, 2026 | Van Oene Mark | See Remarks | Sell | $89.77K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 9 |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 1 |
| 2025 Q1 | - | 7 |
| 2024 Q3 | - | 4 |
PACB Ownership FAQ
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