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Pacific Biosciences of California PACB · USD

Health Care · US listing · 🇺🇸 United States

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2.36

+4.42%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
ARK Investment Management LLC37.3m12.42%+6.3m31 Dec 2025
SoftBank Group Corp20.5m6.82%—31 Dec 2025
BlackRock Institutional Trust Company, N.A.20.3m6.77%+431.1k31 Dec 2025
The Vanguard Group, Inc.17m5.68%+657.3k31 Dec 2025
Amova Asset Management Co., Ltd.7.8m2.60%−869k31 Dec 2025
Geode Capital Management, L.L.C.7.1m2.36%+172.1k31 Dec 2025
State Street Investment Management (US)5.9m1.97%+2.6k31 Dec 2025
D. E. Shaw & Co., L.P.4.4m1.48%+4.4m31 Dec 2025
Millennium Management LLC4.3m1.45%−572.2k31 Dec 2025
Casdin Capital, LLC4.2m1.41%+3.5m31 Dec 2025
Renaissance Technologies LLC3.9m1.28%+3.9m31 Dec 2025
Two Sigma Investments, LP3.7m1.24%+3.3m31 Dec 2025
Citadel Advisors LLC3.2m1.06%+667.9k31 Dec 2025
UBS Financial Services, Inc.3.1m1.04%+1.7m31 Dec 2025
Point72 Asset Management, L.P.3m0.99%+3m31 Dec 2025

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
3 Mar 2026 ↗HENRY CHRISTIAN OSee RemarksSale12.5k1.51$18,920
3 Mar 2026 ↗Van Oene MarkSee RemarksSale6.5k1.51$9,847
3 Mar 2026 ↗Farmer MicheleSee RemarksSale3k1.51$4,510

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

46.9m

-0.6% on the period before. 2.2 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

71.4%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 202671,614 shares
  • 29 Sept 202623,869 shares
  • 28 Sept 202640,131 shares
  • 8 Sept 20264,275 shares
  • 27 Aug 202680 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.