PACIFIC BIOSCIENCES OF CALIF (PACB) Institutional Ownership Changes & 13F Activity

PACIFIC BIOSCIENCES OF CALIF (PACB). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include ARK Invest, Point72 Asset Management, L.P., Goldman Sachs Group Inc, Longaeva Partners L.P., and Jane Street Group, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Envestnet Asset Management IncSell-16,035-10.8%132,926$223.31KQ2 2026Sep 23, 2026
State Street CorpSell-160,541-2.6%5,961,175$10.01MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+497+0.7%75,341$126.57KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+1,269,852+80.6%2,845,903$4.78MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+802+4.8%17,660$29.67KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-11,076-74.1%3,867$6.50KQ2 2026Aug 24, 2026
Gill Capital Partners, LlcSell-177-18.1%800$1.34KQ2 2026Aug 20, 2026
Mercer Global Advisors IncBuy+17,096+49.3%51,769$86.97KQ2 2026Aug 19, 2026
Transamerica Financial Advisors, LlcBuy+53+126.2%95$159.00Q2 2026Aug 17, 2026
ARK InvestSell-6,491,872-17.9%29,781,416$50.03MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+4,501,600+1575.6%4,787,300$8.04MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+2,241,420+226.8%3,229,887$5.43MQ2 2026Aug 14, 2026
Longaeva Partners L.P.Buy+2,118,231—2,118,231$3.56MQ2 2026Aug 14, 2026
Jane Street Group, LlcSell-1,358,099-97.7%31,971$53.71KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+1,297,091—1,297,091$2.18MQ2 2026Aug 14, 2026
Millennium Management LlcSell-929,876-19.0%3,962,442$6.66MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdSell-887,024-74.9%297,951$500.56KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+732,986+20.9%4,242,599$7.13MQ2 2026Aug 14, 2026
Numerai Gp LlcBuy+621,469—621,469$1.04MQ2 2026Aug 14, 2026
Man Group PlcBuy+597,334—597,334$1.00MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+570,599+15.7%4,208,146$7.07MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+537,192+70.7%1,296,684$2.18MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+410,098+23.9%2,129,263$3.58MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+394,118+161.0%638,882$1.07MQ2 2026Aug 14, 2026
Bank Of America CorpSell-318,575-19.1%1,348,131$2.26MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+303,801+116.6%564,339$948.09KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+246,802+10.3%2,652,298$4.46MQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+151,885+115.8%283,099$475.61KQ2 2026Aug 14, 2026
Birchview Capital, LpSell-150,000-10.0%1,350,000$2.27MQ2 2026Aug 14, 2026
Voleon Capital Management LpBuy+134,834—134,834$226.52KQ2 2026Aug 14, 2026
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Frequently asked questions about PACB activity

  • Which institutional owners are buying PACB?

    Institutional owners buying PACB include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in PACB activity?

    "Buy" means an investor increased their reported position in PACB compared to the prior reporting period. This reflects growing exposure to PACIFIC BIOSCIENCES OF CALIF (PACB) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in PACB increasing?

    Institutional interest in PACB can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.