Maxcyte Inc

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Maxcyte Inc
TickerMXCT
CIK #0001287098
CUSIP57777K106
SectorTrade & Services - Services-Commercial Physical & Biological Research
Address22 Firstfield Road Suite 250, Gaithersburg, MD 20878
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Maxcyte Inc 2016-09-29 0.8 M Exemption: 506(b) · Duration: One year or less · Revenue: $5,000,001 - $25,000,000
CIK Filing 2011 - 2026
[0001287098] 10-K
[0001287098] 10-Q
[0001287098] 3
[0001287098] 4
[0001287098] 8-K
[0001287098] D
[0001287098] SC 13D
[0001287098] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
River Global Investors LLP Maxcyte Inc [2026-05-14] 0.0
Capricorn Fund Managers Ltd Maxcyte Inc [2026-02-05] 0.0
Mirabella Financial Services LLP Maxcyte Inc [2025-11-03] 0.0
River Global Investors LLP Maxcyte Inc [2025-10-24] 0.0
Integrated Core Strategies US LLC Maxcyte Inc [2024-03-25] 5.5
Cadian Capital Management LP Maxcyte Inc [2024-02-14] 5.5
Vanguard Group Inc Maxcyte Inc [2024-02-13] 5.09
Integrated Core Strategies US LLC Maxcyte Inc [2023-11-17] 5.6
BAMCO Inc /NY/ Maxcyte Inc [2022-02-15] 5.0
Sofinnova Crossover I Maxcyte Inc [2022-02-11] 5.1
BlackRock Inc Maxcyte Inc [2022-02-04] 6.8
Casdin Capital LLC Maxcyte Inc [2021-08-03] 14.2
Form 3/4/5 Filer 2011 - 2026
Brooke William W
Maxcyte Inc
Erck Stanley C
Al-Wakeel Yasir B
Balthrop Patrick J
Douglas Richard
Collins Cynthia
Johnston John Joseph
Hemrajani Rekha
Ahuja Parmeet
Masoud Maher
Swirsky Douglas J
Soleymannezhad Ali
Sandoval David I
Ross Thomas M
Mandell Art
Doerfler Douglas
Sumen Cenk
Holtz Ron
Casdin Eli
Casdin Partners Master Fund LP
Casdin Capital LLC
Casdin Partners GP LLC
Murphy Amanda Louise
Thompson J Stark PhD
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Masoud Maher
Common Stock
2026-03-27 Grant 300,000 $0.00
Masoud Maher
Employee Stock Option (right to buy) · derivative
2026-03-27 Grant 600,000 $0.00
Swirsky Douglas J
Common Stock
2026-03-17 Sell 10,142 $0.82 8,316
Masoud Maher
Common Stock
2025-08-13 Buy 75,000 $1.37 102,750
Erck Stanley C
Common Stock
2025-08-13 Buy 100,000 $1.37 137,000
Douglas Richard
Common Stock
2025-08-13 Buy 80,000 $1.39 111,200
Brooke William W
Common Stock
2025-08-13 Buy 50,000 $1.29 64,500
Swirsky Douglas J
Common Stock
2025-08-13 Buy 50,000 $1.29 64,500
Common Stock
2025-06-25 Sell 10,684 $2.09 22,330
Hemrajani Rekha
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Erck Stanley C
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Douglas Richard
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Collins Cynthia
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Brooke William W
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Balthrop Patrick J
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Al-Wakeel Yasir B
Stock Option (right to buy) · derivative
2025-06-18 Grant 50,790 $0.00
Brooke William W
Common Stock
2025-06-18 Grant 29,210 $0.00
Johnston John Joseph
Common Stock
2025-06-18 Grant 29,210 $0.00
Hemrajani Rekha
Common Stock
2025-06-18 Grant 29,210 $0.00
Erck Stanley C
Common Stock
2025-06-18 Grant 29,210 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 130 65,408,831
2025-12-31 112 63,608,113
2025-09-30 112 70,141,840
2025-06-30 120 71,352,527
2025-03-31 116 76,006,950
2024-12-31 120 72,491,132
2024-09-30 121 68,930,477
2024-06-30 115 67,931,576
2024-03-31 124 73,489,045
2023-12-31 121 70,225,702
2023-09-30 120 64,344,919
2023-06-30 117 65,496,798
Form 13F Holdings
Firm Period DFND Voting Shares
Marquette Asset Management LLC [2026-06-30] SOLE 0 285,507
Wealth Enhancement Advisory Services LLC [2026-06-30] SOLE 2,269 57,390
KWMG LLC [2026-06-30] SOLE 0 25,833
Y-Intercept Hong Kong Ltd [2026-06-30] SOLE 23,436 23,436
Merit Financial Group LLC [2026-06-30] OTR 0 13,087
Gamma Investing LLC [2026-06-30] DFND 5,702 5,702
Merit Financial Group LLC [2026-06-30] SOLE 23 1,567
Farther Finance Advisors LLC [2026-06-30] SOLE 0 1,263
True Wealth Design LLC [2026-06-30] SOLE 0 787
IFP Advisors LLC [2026-06-30] SOLE 660 660
Fortitude Family Office LLC [2026-06-30] SOLE 212 212
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