MaxCyte shareholder Liontrust reports 5.033% stake

Sales are listed in September and on October 7, 2026, before purchase entries dated October 14, 2026.

Rhea-AI Filing Summary

MaxCyte, Inc. (MXCT) is the issuer in a Schedule 13D reporting that Liontrust Investment Partners LLP, an investment firm, beneficially owned 5,194,322 shares, or 5.0330% of the class, with sole voting and dispositive power over that amount.

The reported transaction history lists sales dated September 1, September 2, September 3, September 8, September 9, September 10, September 11, September 14, and October 7, 2026. The October 14, 2026 entries list purchases of 138,139, 175,694 and 43,113 shares, each at $1.26072563 per share. A September 1, 2026 sale involved 81,203 shares at $1.23950150 per share.

Filing Explained

A Schedule 13D is for holders above 5% who may seek to influence control; this filing reports Liontrust’s 5.033% stake and names acquiring or disposing of additional securities as its Item 4 purpose.

Key Figures

Beneficial ownership: 5,194,322 shares Percent of class: 5.0330% Shares purchased: 138,139 shares +5 more

8 metrics

Beneficial ownership 5,194,322 shares Liontrust Investment Partners LLP's reported position

Percent of class 5.0330% Liontrust Investment Partners LLP's reported ownership

Shares purchased 138,139 shares Purchase dated October 14, 2026, at $1.26072563 per share

Shares purchased 175,694 shares Purchase dated October 14, 2026, at $1.26072563 per share

Shares purchased 43,113 shares Purchase dated October 14, 2026, at $1.26072563 per share

Purchase price $1.26072563 per share October 14, 2026 purchases

Shares sold 81,203 shares Sale dated September 1, 2026, at $1.23950150 per share

Sale price $1.23950150 per share September 1, 2026 sale

Key Terms

beneficially owned, Sole Voting Power, Sole Dispositive Power

3 terms

beneficially owned regulatory

"Aggregate amount beneficially owned by each reporting person"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole Voting Power regulatory

"Sole Voting Power 5,194,322.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

Sole Dispositive Power regulatory

"Sole Dispositive Power 5,194,322.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MXCT shares did Liontrust Investment Partners LLP report owning?

Liontrust Investment Partners LLP reported beneficial ownership of 5,194,322 MaxCyte, Inc. shares, representing 5.0330% of the class, with sole voting and dispositive power over 5,194,322 shares.

What MXCT trades did Liontrust report in October 2026?

The reported transactions include a sale of 3,111 shares on October 7, 2026, at $1.04626808 per share, and purchases on October 14, 2026, of 138,139, 175,694 and 43,113 shares, each at $1.26072563 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/15/2026 - 09:00 AM EDT Accepted by SEC EDGAR 10/15/2026 - 09:00 AM EDT Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

MAXCYTE, INC.

(Name of Issuer)

Equity

(Title of Class of Securities)

57777K106

(CUSIP Number)

Matthew Hambly
2 Savoy Court,
London, X0, WC2R 0EZ
02039088836

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

10/14/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): 57777K106

1

Name of reporting person

Liontrust Investment Partners LLP

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

OO

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

UNITED KINGDOM

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 5,194,322.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 5,194,322.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

5,194,322.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

5.0 %

14

Type of Reporting Person (See Instructions)

IV

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Equity
(b)	Name of Issuer: MAXCYTE, INC.
(c)	Address of Issuer's Principal Executive Offices: 9713 KEY WEST AVENUE,, SUITE 400, ROCKVILLE, MARYLAND , 20850.
Item 2.	Identity and Background
(a)	Liontrust Investment Partners LLP
(b)	2 Savoy Court, London WC2R 0EZ
(c)	Investment Firm 2 Savoy Court, London WC2R 0EZ
(d)	No
(e)	No
(f)	United Kingdom
Item 3.	Source and Amount of Funds or Other Consideration
	N/A
Item 4.	Purpose of Transaction
	(a) The acquisition by any person of additional securities of the issuer, or the disposition of securities of the issuer
Item 5.	Interest in Securities of the Issuer
(a)	5,194,322 5.0330%
(b)	5,194,322 shares
(c)	rade Date BUY/SELL Amount Price 01-Sep-2026 SELL -81,203.00 1.23950150 02-Sep-2026 SELL -63,958.00 1.25395358 03-Sep-2026 SELL -54,839.00 1.24421552 08-Sep-2026 SELL -41,034.00 1.26752510 09-Sep-2026 SELL -37,115.00 1.23726948 10-Sep-2026 SELL -29,095.00 1.19462212 11-Sep-2026 SELL -32,615.00 1.17414454 14-Sep-2026 SELL -74,036.00 1.14991057 07-Oct-2026 SELL -3,111.00 1.04626808 14-Oct-2026 BUY 138,139.00 1.26072563 14-Oct-2026 BUY 175,694.00 1.26072563 14-Oct-2026 BUY 43,113.00 1.26072563
(d)	N/A
(e)	N/A
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	N/A
Item 7.	Material to be Filed as Exhibits.
	N/A

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Liontrust Investment Partners LLP

Signature:	Matthew Hambly
Name/Title:	Compliance Manager
Date:	10/15/2026