MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT)
CUSIP: 57777K106
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock, par value $0.01 per share
- Shares outstanding
- 105,230,057
- Total 13F shares
- 9,323,970
- Share change
- +8,457,257
- Total reported value
- $6,547,952
- Price per share
- $0.70
- Number of holders
- 21
- Value change
- +$5,899,247
- Number of buys
- 12
- Number of sells
- 6
Quarterly Holders Quick Answers
What is CUSIP 57777K106?
CUSIP 57777K106 identifies MXCT - MAXCYTE, INC. - Common Stock, par value $0.01 per share in SEC institutional holdings data.
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- Latest 13F filings for newly reported positions across managers.
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Explore More Reporting Periods
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- Previous quarter: Q4 2025
Recent filing periods for CUSIP 57777K106:
Top shareholders of MXCT - MAXCYTE, INC. - Common Stock, par value $0.01 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Casdin Partners Master Fund, L.P. |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
10,000,000
|
$45,300,000 | — | 03 Oct 2022 | |
| BlackRock, Inc. |
13F
13D/G
|
Company |
6.6%
from 13D/G
|
9,242,587
|
$14,326,010 | — | 31 Dec 2025 | |
| Capricorn Fund Managers Ltd |
13D/G
|
— |
7.7%
|
8,200,000
|
$12,710,000 | $0 | 30 Jan 2026 | |
| MIRABELLA FINANCIAL SERVICES LLP |
13F
|
Company |
7.8%
|
8,200,000
|
$12,710,000 | — | 31 Dec 2025 | |
| RIVER GLOBAL INVESTORS LLP |
13D/G
|
— |
5.2%
|
5,497,452
|
$8,685,974 | $0 | 23 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.3%
|
5,539,260
|
$8,585,853 | — | 31 Dec 2025 | |
| Vitruvian Partners LLP |
13F
|
Company |
4.8%
|
5,043,356
|
$7,817,202 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
4.2%
|
4,433,693
|
$6,872,225 | — | 31 Dec 2025 | |
| CADIAN CAPITAL MANAGEMENT, LP |
13F
13D/G
|
Company |
3.5%
from 13D/G
|
3,683,052
|
$5,708,731 | — | 31 Dec 2025 | |
| Mudita Advisors LLP |
13F
|
Company |
3.2%
|
3,370,689
|
$5,224,569 | — | 31 Dec 2025 | |
| BNP Paribas Asset Management Holding S.A. |
13F
|
Company |
2.6%
|
2,773,554
|
$4,299,000 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.4%
|
2,518,291
|
$3,904,209 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.2%
|
2,358,384
|
$3,655,495 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1.4%
|
1,488,818
|
$2,307,668 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.2%
|
1,292,773
|
$2,003,798 | — | 31 Dec 2025 | |
| Art Mandell |
3/4/5
|
Director |
—
mixed-class rows
|
436,552
mixed-class rows
|
$1,940,066 | — | 11 Jun 2024 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.98%
|
1,028,646
|
$1,594,401 | — | 31 Dec 2025 | |
| Douglas Doerfler |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
418,277
mixed-class rows
|
$1,509,382 | — | 04 Dec 2023 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.92%
|
966,562
|
$1,498,255 | — | 31 Dec 2025 | |
| Willis Investment Counsel |
13F
|
Company |
0.82%
|
862,758
|
$1,337,275 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.75%
|
786,900
|
$1,219,695 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.71%
|
745,932
|
$1,156,195 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.63%
|
663,956
|
$1,029,132 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.5%
|
528,025
|
$818,438 | — | 31 Dec 2025 | |
| Maher Masoud |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
1,075,000
mixed-class rows
|
$736,250 | +$102,915 | 27 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.45%
|
473,291
|
$733,601 | — | 31 Dec 2025 | |
| Stonepine Capital Management, LLC |
13F
|
Company |
0.45%
|
469,018
|
$726,978 | — | 31 Dec 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.37%
|
389,923
|
$604,381 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.35%
|
369,701
|
$573,037 | — | 31 Dec 2025 | |
| Stanley C. Erck |
3/4/5
|
Director |
—
mixed-class rows
|
449,118
mixed-class rows
|
$546,585 | +$137,220 | 13 Aug 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.33%
|
344,606
|
$534,139 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.32%
|
341,460
|
$529,263 | — | 31 Dec 2025 | |
| J. Stark Thompson PhD |
3/4/5
|
Director |
—
mixed-class rows
|
120,918
mixed-class rows
|
$502,459 | — | 09 Aug 2021 | |
| Apollo Management Holdings, L.P. |
13F
|
Company |
0.29%
|
307,987
|
$477,380 | — | 31 Dec 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.29%
|
300,280
|
$465,435 | — | 31 Dec 2025 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.28%
|
295,400
|
$463,778 | — | 31 Dec 2025 | |
| John Joseph Johnston |
3/4/5
|
Director |
—
mixed-class rows
|
221,950
mixed-class rows
|
$407,360 | — | 18 Jun 2025 | |
| LUMINUS MANAGEMENT LLC |
13F
|
Company |
0.22%
|
236,495
|
$366,567 | — | 31 Dec 2025 | |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P |
13F
|
Company |
0.22%
|
230,000
|
$356,500 | — | 31 Dec 2025 | |
| Rathbones Group PLC |
13F
|
Company |
0.22%
|
226,847
|
$351,612 | — | 31 Dec 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.21%
|
217,311
|
$336,832 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.2%
|
208,136
|
$322,611 | — | 31 Dec 2025 | |
| DOUGLAS RICHARD |
3/4/5
|
Director |
—
mixed-class rows
|
281,367
mixed-class rows
|
$320,040 | +$111,040 | 13 Aug 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.17%
|
173,973
|
$269,658 | — | 31 Dec 2025 | |
| LANDSCAPE CAPITAL MANAGEMENT, L.L.C. |
13F
|
Company |
0.14%
|
147,558
|
$228,715 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.14%
|
144,386
|
$223,798 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.13%
|
141,400
|
$219,170 | — | 31 Dec 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.13%
|
138,133
|
$214,098 | — | 31 Dec 2025 | |
| David I. Sandoval |
3/4/5
|
GENERAL COUNSEL |
—
mixed-class rows
|
156,719
mixed-class rows
|
$204,171 | — | 18 Mar 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.12%
|
130,800
|
$202,740 | — | 31 Dec 2025 |
Institutional Holders of MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) as of Q1 2026
As of 31 Mar 2026,
MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) was held by
21 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
9,323,970 shares.
The largest 10 holders included
Capricorn Fund Managers Ltd, Mink Brook Asset Management LLC, HSBC HOLDINGS PLC, Nuveen, LLC, STRS OHIO, CABOT WEALTH MANAGEMENT INC, Police & Firemen's Retirement System of New Jersey, WEALTH ENHANCEMENT ADVISORY SERVICES, LLC, KWMG, LLC, and Granite Investment Partners, LLC.
This page lists
21
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
112
Q1 2026 holders
21
Holder diff
-91
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.