MAXCYTE INC (MXCT) Institutional Ownership Changes & 13F Activity

MAXCYTE INC (MXCT). 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 Jane Street Group, Llc, Rbf Capital, Llc, Millennium Management Llc, Luminus Management Llc, and Two Sigma Investments, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Citadel Advisors LlcBuy+523,230+157.1%856,318$1.05MQ2 2026Sep 02, 2026
Mercer Global Advisors IncBuy+32,144+205.9%47,756$58.74KQ2 2026Aug 19, 2026
Stonepine Capital Management, LlcSell-253,067-25.2%751,606$924.48KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioSell-22,700-34.1%43,800$53.87KQ2 2026Aug 17, 2026
Jefferies Financial Group Inc.Buy+5,972+59.7%15,972$19.65KQ2 2026Aug 17, 2026
Jane Street Group, LlcBuy+1,542,434+7498.8%1,563,003$1.92MQ2 2026Aug 14, 2026
Rbf Capital, LlcBuy+1,322,4431,322,443$1.63MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+1,161,862+2698.3%1,204,921$1.48MQ2 2026Aug 14, 2026
Luminus Management LlcSell-1,089,396-94.7%60,604$74.54KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+854,779+140.6%1,462,941$1.80MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+661,594+54.2%1,882,776$2.32MQ2 2026Aug 14, 2026
Jacobs Levy Equity Management, IncSell-505,959-65.2%270,265$332.43KQ2 2026Aug 14, 2026
Cadian Capital Management, LpBuy+478,224+27.8%2,201,166$2.71MQ2 2026Aug 14, 2026
Man Group PlcBuy+448,958448,958$552.22KQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+389,102389,102$478.60KQ2 2026Aug 14, 2026
Point72 Asset Management, L.P.Buy+299,853299,853$368.82KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncSell-211,459-64.3%117,192$144.15KQ2 2026Aug 14, 2026
Nano Cap New Millennium Growth Fund L PBuy+200,000+20.0%1,200,000$1.48MQ2 2026Aug 14, 2026
Aster Capital Management (Difc) LtdBuy+163,270163,270$200.82KQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+130,537+171.6%206,590$254.11KQ2 2026Aug 14, 2026
Susquehanna International Group, LlpBuy+115,408+277.5%156,992$193.10KQ2 2026Aug 14, 2026
J. Goldman & Co LpBuy+99,72899,728$122.67KQ2 2026Aug 14, 2026
Hsbc Holdings PlcSell-94,371-37.7%155,801$188.52KQ2 2026Aug 14, 2026
Hrt Financial LpBuy+92,404+320.8%121,204$149.00KQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+82,924+7.2%1,241,943$1.53MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+79,47279,472$97.75KQ2 2026Aug 14, 2026
Tudor Investment Corp Et AlBuy+78,31378,313$96.33KQ2 2026Aug 14, 2026
Jain Global LlcBuy+54,372+310.3%71,895$88.43KQ2 2026Aug 14, 2026
Cerity Partners LlcBuy+52,196+114.3%97,858$120.37KQ2 2026Aug 14, 2026
Canada Pension Plan Investment BoardBuy+35,70035,700$43.91KQ2 2026Aug 14, 2026
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Frequently asked questions about MXCT activity

  • Which institutional owners are buying MXCT?

    Institutional owners buying MXCT 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 MXCT activity?

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

  • Is institutional interest in MXCT increasing?

    Institutional interest in MXCT 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.