CERUS CORP (CERS) Institutional Ownership Changes & 13F Activity

CERUS CORP (CERS). 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 Baker Bros. Advisors Lp, D. E. Shaw & Co., Inc., ARK Invest, Ameriprise Financial Inc, and Topline Capital Management, Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Neuberger Berman Group LlcBuy+867+6.2%14,741$43.04KQ2 2026Oct 27, 2026
State Street CorpBuy+539,060+12.8%4,753,962$13.88MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+3,097+6.0%54,821$160.08KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+736,682—736,682$2.15MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+4,926+48.6%15,064$43.99KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-7,408-74.1%2,587$7.55KQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Sell-936,043-74.8%315,050$919.95KQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+2,472+4.3%60,392$176.34KQ2 2026Aug 19, 2026
Baker Bros. Advisors LpSell-3,612,914-36.1%6,395,431$18.67MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+1,754,832+47.0%5,485,983$16.02MQ2 2026Aug 14, 2026
ARK InvestSell-1,229,049-6.4%17,932,099$52.36MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+1,159,506—1,159,506$3.39MQ2 2026Aug 14, 2026
Topline Capital Management, LlcBuy+1,051,676—1,051,676$3.07MQ2 2026Aug 14, 2026
Alliancebernstein L.P.Buy+842,053+450.0%1,029,160$1.87MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+739,612+26.9%3,484,633$10.18MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcSell-536,996-55.8%424,610$1.24MQ2 2026Aug 14, 2026
Susquehanna International Group, LlpSell-503,156-64.3%279,407$815.87KQ2 2026Aug 14, 2026
Senvest Management, LlcBuy+500,000+12.2%4,614,061$13.47MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-450,801-16.3%2,317,802$6.77MQ2 2026Aug 14, 2026
Bank Of America CorpSell-349,873-28.7%868,457$2.54MQ2 2026Aug 14, 2026
Millennium Management LlcSell-321,738-74.8%108,481$316.76KQ2 2026Aug 14, 2026
Invesco Ltd.Buy+318,592—318,592$930.29KQ2 2026Aug 14, 2026
Boothbay Fund Management, LlcBuy+247,742—247,742$723.41KQ2 2026Aug 14, 2026
Susquehanna Portfolio Strategies, LlcBuy+244,696—244,696$714.51KQ2 2026Aug 14, 2026
Sei Investments CoBuy+239,956+692.0%274,632$801.92KQ2 2026Aug 14, 2026
Aqr Capital Management LlcSell-234,957-11.1%1,878,275$5.48MQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+228,172—228,172$666.26KQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncBuy+210,137—210,137$613.60KQ2 2026Aug 14, 2026
Silvercrest Asset Management Group LlcSell-164,224-3.9%4,077,187$11.91MQ2 2026Aug 14, 2026
Hsbc Holdings PlcSell-132,713-57.4%98,640$277.18KQ2 2026Aug 14, 2026
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Frequently asked questions about CERS activity

  • Which institutional owners are buying CERS?

    Institutional owners buying CERS 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 CERS activity?

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

  • Is institutional interest in CERS increasing?

    Institutional interest in CERS 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.