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MXCTNasdaqServices-Commercial Physical & Biological ResearchFiscal year ends December 31

MAXCYTE, INC.

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 13, 2026
$1.30+0.00 (0.00%)

Close on Oct 19, 2026

Market cap
$138.87M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
61.3%
63M of 103M shares
Institutional holders
123
27 new, 33 sold out
Net institutional buying
-2M
In Q2 2026
Insider trades, 12 months
0 buys · 1 sales
Net sold $8.32K

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Capricorn Fund Managers Ltd8,200,0007.70%13G (passive)Jan 30, 2026
Liontrust Investment Partners LLP5,194,3225.00%13D (active)Oct 14, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of MXCTValueChange% of portfolio
Capricorn Fund Managers Ltd8,200,0007.95%$10.09M–0.79%
Vitruvian Partners LLP5,043,3564.89%$6.20M–3.09%
Vanguard Capital Management LLC4,031,2843.91%$4.96M+49,4680.00%
Morgan Stanley3,694,0493.58%$4.54M+5,9180.00%
Mudita Advisors LLP3,370,6893.27%$4.15M–0.86%
BlackRock, Inc.3,060,9602.97%$3.76M−5,737,5130.00%
Brooklands Fund Management Ltd2,848,0832.76%$3.67M+658,0632.87%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,773,5542.69%$3.41M–0.00%
Cadian Capital Management, LP2,201,1662.13%$2.71M+478,2240.20%
Peapod Lane Capital LLC2,125,7522.06%$2.61M+793,5591.76%
Renaissance Technologies LLC1,910,8001.85%$2.35M−82,4000.00%
Aqr Capital Management LLC1,882,7761.82%$2.32M+661,5940.00%
Jane Street Group, LLC1,563,0031.51%$1.92M+1,542,4340.00%
Two Sigma Investments, LP1,462,9411.42%$1.80M+854,7790.00%
Geode Capital Management, LLC1,326,9141.29%$1.63M−1,035,7580.00%
RBF Capital, LLC1,322,4431.28%$1.63MNew0.07%
Goldman Sachs Group Inc1,241,9431.20%$1.53M+82,9240.00%
Millennium Management LLC1,204,9211.17%$1.48M+1,161,8620.00%
Nano Cap New Millennium Growth Fund L P1,200,0001.16%$1.48M+200,0001.14%
Marshall Wace, Llp1,014,7780.98%$1.25M+915,8660.00%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202612363M61.3%27 / 5128 / 3313M15M
Q1 202613165M63.4%39 / 3036 / 1925M18M
Q4 202511264M61.8%20 / 2837 / 168M12M
Q3 202511270M68.0%17 / 3340 / 2410M11M
Q2 202512071M69.2%21 / 4337 / 157M10M
Q1 202511475M72.3%12 / 4142 / 1412M4M
Q4 202411973M70.3%21 / 4530 / 2110M6M
Q3 202412069M66.8%13 / 5030 / 612M4M
Q2 202411469M66.4%9 / 4939 / 175M11M
Q1 202412374M71.8%15 / 4246 / 1210M6M
Q4 202312071M68.4%20 / 5029 / 2021M15M
Q3 202312064M62.4%17 / 4239 / 125M7M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of MXCTValue% of fundAs of
Vanguard Total Stock Market Index Fund2,742,1252.66%$3.37M0.00%Jun 30, 2026
Vanguard Extended Market Index Fund1,161,3951.13%$1.43M0.00%Jun 30, 2026
Vanguard Russell 2000 Index Fund518,5590.50%$627.46K0.00%May 31, 2026
Fidelity Extended Market Index Fund394,0280.38%$476.77K0.00%May 31, 2026
Inception Portfolio347,4330.34%$427.34K0.15%Jun 30, 2026
Vanguard Health Care Index Fund301,9660.29%$365.38K0.00%May 31, 2026
EQ/Morgan Stanley Small Cap Growth Portfolio211,9750.21%$260.73K0.05%Jun 30, 2026
Fidelity Total Market Index Fund199,5010.19%$241.40K0.00%May 31, 2026
iShares Core S&P Total U.S. Stock Market ETF164,5010.16%$202.34K0.00%Jun 30, 2026
Fidelity Series Total Market Index Fund156,2380.15%$189.05K0.00%May 31, 2026
Multi-Manager Small Cap Equity Strategies Fund144,0270.14%$174.27K0.01%May 31, 2026
Schwab Total Stock Market Index Fund114,8280.11%$120.57K0.00%Jul 31, 2026
Large-Cap Growth Portfolio109,7900.11%$135.04K0.01%Jun 30, 2026
Goldman Sachs Absolute Return Tracker Fund109,4910.11%$134.67K0.00%Jun 30, 2026
Invesco NASDAQ Future Gen 200 ETF94,7090.09%$114.60K0.61%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Maher MasoudPresident and CEO, Director475,0000.46%Mar 31, 2026
Parmeet AhujaChief Financial Officer187,5000.18%Apr 17, 2026
Douglas J. SwirskyCHIEF FINANCIAL OFFICER151,6690.15%Mar 19, 2026
Ali SoleymannezhadChief Commercial Officer59,4390.06%Mar 20, 2025
David I. SandovalGENERAL COUNSEL64,2190.06%Mar 20, 2025
Rekha HemrajaniDirector70,3140.07%Jun 22, 2026
Patrick J. BalthropDirector80,9980.08%Jun 22, 2026
John Joseph JohnstonDirector201,5810.20%Jun 22, 2026
Richard DouglasDirector260,9980.25%Jun 22, 2026
Yasir B. Al-WakeelDirector80,9980.08%Jun 22, 2026
William W. BrookeDirector181,3000.18%Jun 22, 2026
Stanley C. ErckDirector428,7490.42%Jun 22, 2026
Cynthia CollinsDirector111,3100.11%Jun 22, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Richard Douglas
Director
Jun 17, 2026Award+30,421––260,998
William W. Brooke
Director
Jun 17, 2026Award+30,421––181,300
Yasir B. Al-Wakeel
Director
Jun 17, 2026Award+30,421––80,998
Rekha Hemrajani
Director
Jun 17, 2026Award+30,421––70,314
Patrick J. Balthrop
Director
Jun 17, 2026Award+30,421––80,998
Cynthia Collins
Director
Jun 17, 2026Award+30,421––111,310
Stanley C. Erck
Director
Jun 17, 2026Award+30,421––428,749
John Joseph Johnston
Director
Jun 17, 2026Award+30,421––201,581
Parmeet Ahuja
Chief Financial Officer
Apr 15, 2026Award+187,500––187,500
Maher Masoud
President and CEO, Director
Mar 27, 2026Award+300,000––475,000
Douglas J. Swirsky
CHIEF FINANCIAL OFFICER
Mar 17, 2026Sale−10,142$0.82$8.32K151,669
Stanley C. Erck
Director
Aug 13, 2025Buy+100,000$1.37$137.00K398,328
Richard Douglas
Director
Aug 13, 2025Buy+80,000$1.39$111.20K230,577
William W. Brooke
Director
Aug 13, 2025Buy+50,000$1.29$64.50K150,879
Maher Masoud
President and CEO, Director
Aug 13, 2025Buy+75,000$1.37$102.75K175,000
Douglas J. Swirsky
CHIEF FINANCIAL OFFICER
Aug 13, 2025Buy+50,000$1.29$64.50K161,811
Rekha Hemrajani
Director
Jun 25, 2025Sale(10b5-1 plan)−10,684$2.09$22.33K39,893
Rekha Hemrajani
Director
Jun 18, 2025Award+29,210––50,577
Yasir B. Al-Wakeel
Director
Jun 18, 2025Award+29,210––50,577
Patrick J. Balthrop
Director
Jun 18, 2025Award+29,210––50,577
Richard Douglas
Director
Jun 18, 2025Award+29,210––150,577
Cynthia Collins
Director
Jun 18, 2025Award+29,210––80,889
William W. Brooke
Director
Jun 18, 2025Award+29,210––100,879
John Joseph Johnston
Director
Jun 18, 2025Award+29,210––171,160
Stanley C. Erck
Director
Jun 18, 2025Award+29,210––298,328
David I. Sandoval
GENERAL COUNSEL
Mar 18, 2025Sale−353$3.18$1.12K64,219
Ali Soleymannezhad
Chief Commercial Officer
Mar 18, 2025Sale−1,211$3.18$3.85K59,439
Douglas J. Swirsky
CHIEF FINANCIAL OFFICER
Mar 18, 2025Sale−6,939$3.18$22.07K111,811
Douglas J. Swirsky
CHIEF FINANCIAL OFFICER
Mar 14, 2025Award+37,500––118,750
Ali Soleymannezhad
Chief Commercial Officer
Mar 14, 2025Award+34,625––60,650
David I. Sandoval
GENERAL COUNSEL
Mar 14, 2025Award+23,125––64,572
John Joseph Johnston
Director
Jan 27, 2025Option exercise+3,000$2.93$8.79K144,950
John Joseph Johnston
Director
Jan 27, 2025Sale(10b5-1 plan)−3,000$4.65$13.95K141,950
David I. Sandoval
GENERAL COUNSEL
Jan 13, 2025Sale−4,466$4.54$20.28K41,447
John Joseph Johnston
Director
Dec 26, 2024Sale(10b5-1 plan)−3,000$4.01$12.03K141,950
John Joseph Johnston
Director
Dec 26, 2024Option exercise+3,000$2.93$8.79K144,950
John Joseph Johnston
Director
Dec 9, 2024Option exercise+891$2.93$2.61K142,841
John Joseph Johnston
Director
Dec 9, 2024Option exercise+1,121$1.64$1.84K143,962
John Joseph Johnston
Director
Dec 9, 2024Option exercise+483$2.93$1.42K144,445
John Joseph Johnston
Director
Dec 9, 2024Sale(10b5-1 plan)−2,495$3.79$9.46K141,950
John Joseph Johnston
Director
Dec 6, 2024Sale(10b5-1 plan)−505$3.70$1.87K141,950
John Joseph Johnston
Director
Dec 6, 2024Option exercise+505$2.93$1.48K142,455
Stanley C. Erck
Director
Nov 1, 2024Sale(10b5-1 plan)−47,689$3.72$177.40K269,118
Stanley C. Erck
Director
Nov 1, 2024Option exercise+47,689$0.04$1.91K316,807
John Joseph Johnston
Director
Oct 28, 2024Option exercise+3,000$2.93$8.79K144,950
John Joseph Johnston
Director
Oct 28, 2024Sale(10b5-1 plan)−3,000$3.72$11.16K141,950
Cynthia Collins
Director
Oct 14, 2024Award+51,679––51,679
Stanley C. Erck
Director
Oct 2, 2024Sale(10b5-1 plan)−21,607$3.71$80.16K269,118
Stanley C. Erck
Director
Oct 2, 2024Option exercise+21,607$0.04$864290,725
Stanley C. Erck
Director
Oct 1, 2024Option exercise+26,082$0.04$1.04K295,200
Stanley C. Erck
Director
Oct 1, 2024Sale(10b5-1 plan)−26,082$3.78$98.59K269,118
John Joseph Johnston
Director
Sep 26, 2024Option exercise+3,000$2.93$8.79K144,950
John Joseph Johnston
Director
Sep 26, 2024Sale(10b5-1 plan)−3,000$3.82$11.46K141,950
Ali Soleymannezhad
Chief Commercial Officer
Sep 16, 2024Award+10,400––26,025
Stanley C. Erck
Director
Sep 4, 2024Sale(10b5-1 plan)−29,767$3.97$118.17K269,118
Stanley C. Erck
Director
Sep 4, 2024Option exercise+29,767$0.04$1.19K298,885
Stanley C. Erck
Director
Sep 3, 2024Sale(10b5-1 plan)−17,922$4.10$73.48K269,118
Stanley C. Erck
Director
Sep 3, 2024Option exercise+17,922$0.04$717287,040
John Joseph Johnston
Director
Aug 26, 2024Sale(10b5-1 plan)−3,000$4.28$12.84K141,950
John Joseph Johnston
Director
Aug 26, 2024Option exercise+3,000$2.93$8.79K144,950

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Rekha Hemrajani
Director
Jun 25, 202510,684$22.38KJun 25, 2025Restricted Stock Units
John Joseph Johnston
Affiliate
Dec 26, 202412,000$49.32KDec 26, 2024option exercise
John Joseph Johnston
Affiliate
Sep 26, 20249,000$34.29KSep 26, 2024option exercise
Stanley C. Erck
Officer
Sep 3, 2024143,067$618.05KSep 3, 2024Option Exercise
John Joseph Johnston
Affiliate
Jun 27, 202416,000$63.68KJun 27, 2024option exercise
Thomas M. Ross
Officer
Jun 20, 2024133,332$587.99KJun 20, 2024Option Exercise
John Joseph Johnston
Affiliate
Feb 26, 202410,000$45.90KFeb 26, 2024option exercise
Douglas Doerfler
Officer
Nov 29, 2023150,000$702.00KNov 29, 2023Option Exercise
John Joseph Johnston
Affiliate
Nov 14, 202320,000$74.20KNov 14, 2023option exercise
Douglas Doerfler
Officer
Jul 10, 202390,000$416.70KJul 10, 2023Option Exercise
John Joseph Johnston
Affiliate
Jun 26, 202325,000$117.00KJun 26, 2023option exercise