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Cathie Wood's Pacific Biosciences of California, Inc. (PACB) position

Yes: as of Q1 2026, Cathie Wood holds 36.3M shares of PACB worth $48M (0.4% of the disclosed portfolio). Held since at least Q1 2021; that opening coverage snapshot is not counted as a purchase.
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Current value
$48M
Shares held
36.3M
% of portfolio
0.4%
Est. average buy price (i)
$1.71
est. since Q3 2024
Quarter-end price
$1.32

Estimated trade prices

Average price in quarters with purchases
$5.85
Average prices in quarters with sales
  • Q1 2026: $1.79 (991K shares sold)
  • Q3 2025: $1.35 (5.4M shares sold)
  • Q2 2025: $1.15 (180K shares sold)
  • Q1 2024: $5.86 (1.2M shares sold)
  • Q2 2023: $12.16 (1.1M shares sold)

PACB price vs Wood's position

1Y 3Y 5Y MAX
Dates
$0.9$5$10$15202420252026Added 2.1M shares (8.0%) · Q1 2023. Average closing price $9.94 · Price range $7.94–$12.022.1MsharespurchasedSold 1.1M shares (4.0%) · Q2 2023. Average closing price $12.16 · Price range $9.97–$14.051.1MsharessoldAdded 3.2M shares (12.0%) · Q3 2023. Average closing price $11.43 · Price range $8.23–$13.933.2MsharespurchasedAdded 4.7M shares (15.7%) · Q4 2023. Average closing price $8.18 · Price range $5.97–$10.364.7MsharespurchasedSold 1.2M shares (3.5%) · Q1 2024. Average closing price $5.86 · Price range $3.52–$9.591.2MsharessoldAdded 2.6M shares (7.9%) · Q4 2024. Average closing price $1.95 · Price range $1.55–$2.652.6MsharespurchasedAdded 434K shares (1.2%) · Q1 2025. Average closing price $1.53 · Price range $1.14–$2.10434KsharespurchasedSold 180K shares (0.5%) · Q2 2025. Average closing price $1.15 · Price range $0.91–$1.45180KsharessoldSold 5.4M shares (14.8%) · Q3 2025. Average closing price $1.35 · Price range $1.17–$1.695.4MsharessoldAdded 6.3M shares (20.5%) · Q4 2025. Average closing price $1.92 · Price range $1.38–$2.636.3MsharespurchasedSold 991K shares (2.7%) · Q1 2026. Average closing price $1.79 · Price range $1.26–$2.67991Ksharessold← Earlier —5 purchases, 2 sells
Average closing price · filing quarter
$1.79
Price range · filing quarter
$1.26 – $2.67
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −991K −$1.8M −2.7% 36.3M May 12, 2026
Q4 2025 Added +6.3M +$12M +20.5% 37.3M Feb 11, 2026
Q3 2025 Reduced −5.4M −$7.3M −14.8% 30.9M Nov 12, 2025
Q2 2025 Reduced −180K −$208K −0.5% 36.3M Jul 30, 2025
Q1 2025 Added +434K +$666K +1.2% 36.5M May 7, 2025
Q4 2024 Added +2.6M +$5.1M +7.9% 36.0M Feb 4, 2025
Q3 2024 First covered – – – 33.4M Oct 31, 2024
Q2 2024 First covered – – – 33.2M Jul 26, 2024
Q1 2024 Reduced −1.2M −$7.1M −3.5% 33.3M Apr 18, 2024
Q4 2023 Added +4.7M +$38M +15.7% 34.5M Jan 17, 2024
Q3 2023 Added +3.2M +$36M +12.0% 29.8M Oct 18, 2023
Q2 2023 Reduced −1.1M −$14M −4.0% 26.6M Jul 10, 2023
Q1 2023 Added +2.1M +$21M +8.0% 27.8M Apr 17, 2023
Q4 2022 Reduced −3.0M – −10.5% 25.7M Jan 24, 2023
Q3 2022 Added +647K – +2.3% 28.7M Oct 17, 2022
Q2 2022 Added +786K – +2.9% 28.0M Jul 11, 2022
Q1 2022 Added +876K – +3.3% 27.3M Apr 19, 2022
Q4 2021 Added +3.7M – +16.1% 26.4M Jan 28, 2022
Q3 2021 Added +2.2M – +10.9% 22.7M Nov 12, 2021
Q2 2021 Reduced −820K – −3.8% 20.5M Aug 5, 2021
Q1 2021 First covered – – – 21.3M May 13, 2021
Data through Q1 2026 · filed May 12, 2026
21 grouped rows from 21 quarters

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Common questions

Does Cathie Wood own PACB?

Yes. As of Q1 2026, Cathie Wood disclosed 36.3M shares of PACB, worth $48M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Cathie Wood buy PACB?

Cathie Wood held PACB since at least Q1 2021, when this filing coverage begins; the opening snapshot is not a disclosed purchase. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Cathie Wood sell PACB?

The quarter-by-quarter table above shows each sale and reduction Cathie Wood disclosed in PACB. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of PACB does Cathie Wood own?

Cathie Wood disclosed 36.3M shares of PACB as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Cathie Wood pay for PACB?

Cathie Wood began building the PACB position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.