Pacific Biosciences of California Ownership | Who Owns Pacific Biosciences of California?


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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


TypeName% Inst% Insiders% Retail
StockPacific Biosciences of California37.53%7.84%54.63%
SectorHealthcare Stocks 42.50%10.81%46.69%
IndustryMedical Device Stocks37.66%10.02%52.32%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Ark investment management30.92M10.30%$39.58B
Blackrock23.61M8.76%$32.34M
Blackrock funding, inc. /de22.70M7.56%$29.05M
Softbank group20.45M6.81%$26.18M
Vanguard group16.38M5.46%$20.97M
Edmond de rothschild10.68M3.56%$13.66B
Sumitomo mitsui trust8.68M2.89%$11.11M
Nikko asset management americas8.68M2.89%$11.02M
Geode capital management6.91M2.30%$8.84M
State street5.91M1.97%$7.56M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Amiral gestion2.73M1.17%$3.21M
Birchview capital, lp500.00K0.48%$640.00K
Bourne lent asset management972.25K0.47%$1.21M
Point72 (difc)4.27M0.36%$5.47M
Koss-olinger consulting3.30M0.34%$4.09M
Madrone advisors4.98M0.31%$6.37M
Ark investment management30.92M0.24%$39.58B
Green alpha advisors174.03K0.21%$222.75K
Edmond de rothschild10.68M0.21%$13.66B
Koa wealth management120.00K0.11%$153.60K

Top Buyers

HolderShares% AssetsChange
Point72 (difc)4.27M0.36%1.81M
Norges bank1.21M0.00%1.21M
Squarepoint ops932.08K0.00%637.49K
Iq eq fund management (ireland)1.29M0.11%499.42K
Gsa capital partners llp409.37K0.04%409.37K

Top Sellers

HolderShares% AssetsChange
Millennium management2.20M0.00%-14.86M
Madrone advisors4.98M0.31%-11.79M
Deep track capital, lp---7.00M
Macquarie group---6.64M
Ark investment management30.92M0.24%-5.37M

New Positions

HolderShares% AssetsChangeValue
Norges bank1.21M0.00%1.21M$1.66M
Quadrature capital352.36K0.01%352.36K$449.25K
Caxton associates lp315.35K0.02%315.35K$577.09K
Man group250.28K0.00%250.28K$320.35K
Main street research142.10K0.01%142.10K$181.89K

Sold Out

HolderChange
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


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 2025102-50.24%112,641,910-42.72%370.87%33-58.23%33-50.75%
Jun 30, 2025210-8.70%195,613,890-13.10%651.13%81-12.90%69-1.43%
Mar 31, 20258-96.62%27,605,046-89.36%90.10%--100.00%4-93.85%
Dec 31, 2024101-57.38%117,401,371-49.38%430.60%50-45.05%26-65.79%
Sep 30, 2024232-3.33%231,728,472-4.37%841.05%88-24.79%7631.03%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
ARK Disruptive Innovation Full Composite21.83M7.27%87.22K
ARK Innovation ETF16.24M5.41%-249.00K
EdRF Big Data N EUR12.06M4.02%-25.74K
ARK Genomic Revolution10.99M3.66%-638.66K
ARK Genomic Revolution ETF10.90M3.63%-38.88K
Vanguard US Total Market Shares ETF8.93M3.00%-
Vanguard Total Stock Mkt Idx Inv8.80M2.93%-195.14K
iShares Russell 2000 ETF6.77M2.25%-
Nikko AM ARK Pstv Chg Innovt P JPY Acc5.08M1.69%-
Amova ARK Pstv Chg Innovt P JPY Acc4.76M1.58%-322.44K

Recent Insider Transactions


DateNameRoleActivityValue
Aug 18, 2025Van Oene Mark See RemarksSell$35.18K
May 19, 2025Farmer Michele See RemarksSell$5.20K
Mar 03, 2025HENRY CHRISTIAN O See RemarksSell$17.58K
Mar 03, 2025Van Oene Mark See RemarksSell$9.13K
Mar 03, 2025Farmer Michele See RemarksSell$4.18K

Insider Transactions Trends


DateBuySell
2025 Q3-1
2025 Q2-1
2025 Q1-7
2024 Q3-4
2024 Q2-1

PACB Ownership FAQ


Who Owns Pacific Biosciences of California?

Pacific Biosciences of California shareholders are primarily institutional investors at 37.53%, followed by 7.84% insiders and 54.63% retail investors. The average institutional ownership in Pacific Biosciences of California's industry, Medical Device Stocks, is 37.66%, which Pacific Biosciences of California falls below.

Who owns the most shares of Pacific Biosciences of California?

Pacific Biosciences of California’s largest shareholders are Ark investment management (30.92M shares, 10.30%), Blackrock (23.61M shares, 8.76%), and Blackrock funding, inc. /de (22.7M shares, 7.56%). Together, they hold 26.62% of Pacific Biosciences of California’s total shares outstanding.

Does Blackrock own Pacific Biosciences of California?

Yes, BlackRock owns 8.76% of Pacific Biosciences of California, totaling 23.61M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 32.34M$. In the last quarter, BlackRock increased its holdings by 213.7K shares, a 0.91% change.

Who is Pacific Biosciences of California’s biggest shareholder by percentage of total assets invested?

Amiral gestion is Pacific Biosciences of California’s biggest shareholder by percentage of total assets invested, with 1.17% of its assets in 2.73M Pacific Biosciences of California shares, valued at 3.21M$.

Who is the top mutual fund holder of Pacific Biosciences of California shares?

ARK Disruptive Innovation Full Composite is the top mutual fund holder of Pacific Biosciences of California shares, with 7.27% of its total shares outstanding invested in 21.83M Pacific Biosciences of California shares.

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