MAXCYTE, INC.
Total Trades
79
Buys
2
Sells
42
Largest Trade
$1M+
Insiders
11
Institutional Funds
78
Inst. Value
$1M+
Activist Filings
26
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Hemrajani Rekha | Director | SELL | $15K–$50K | 11K | $2.09 | Aug 27, 2025 |
| Soleymannezhad Ali | Chief Commercial O… | SELL | $1K–$15K | 1K | $3.18 | Mar 20, 2025 |
| Sandoval David I. | GENERAL COUNSEL | SELL | $1K–$15K | 353 | $3.18 | Mar 20, 2025 |
| Swirsky Douglas J | CHIEF FINANCIAL OF… | SELL | $15K–$50K | 7K | $3.18 | Mar 20, 2025 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 3K | $2.93 | Jan 29, 2025 |
| Johnston John Joseph | Director | SELL | $1K–$15K | 3K | $4.64 | Jan 29, 2025 |
| Sandoval David I. | GENERAL COUNSEL | SELL | $15K–$50K | 4K | $4.54 | Jan 14, 2025 |
| Johnston John Joseph | Director | SELL | $1K–$15K | 3K | $4.01 | Dec 30, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 3K | $2.93 | Dec 30, 2024 |
| Erck Stanley C | Director | SELL | $100K–$500K | 48K | $3.72 | Nov 5, 2024 |
| Erck Stanley C | Director | EXERCISE | $1K–$15K | 48K | $0.04 | Nov 5, 2024 |
| Johnston John Joseph | Director | SELL | $1K–$15K | 3K | $3.72 | Oct 30, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 3K | $2.93 | Oct 30, 2024 |
| Erck Stanley C | Director | SELL | $100K–$500K | 48K | $3.75 | Oct 2, 2024 |
| Erck Stanley C | Director | EXERCISE | $1K–$15K | 48K | $0.04 | Oct 2, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 3K | $2.93 | Sep 30, 2024 |
| Johnston John Joseph | Director | SELL | $1K–$15K | 3K | $3.82 | Sep 30, 2024 |
| Johnston John Joseph | Director | SELL | $1K–$15K | 3K | $4.28 | Aug 28, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 3K | $2.93 | Aug 28, 2024 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 10K | $3.99 | Jul 1, 2024 |
| Johnston John Joseph | Director | EXERCISE | $15K–$50K | 10K | $2.28 | Jul 1, 2024 |
| Ross Thomas M. | EVP, GLOBAL SALES | SELL | $100K–$500K | 33K | $4.09 | Jun 24, 2024 |
| Ross Thomas M. | EVP, GLOBAL SALES | EXERCISE | $50K–$100K | 33K | $1.64 | Jun 24, 2024 |
| Masoud Maher | President and CEO | BUY | $100K–$500K | 100K | $4.89 | Jun 10, 2024 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $4.41 | Mar 28, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $2.14 | Mar 28, 2024 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $4.60 | Feb 28, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $2.14 | Feb 28, 2024 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $5.12 | Jan 30, 2024 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $2.14 | Jan 30, 2024 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $4.53 | Dec 28, 2023 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $2.14 | Dec 28, 2023 |
| Doerfler Douglas | President and CEO | SELL | $100K–$500K | 26K | $5.00 | Dec 1, 2023 |
| Doerfler Douglas | President and CEO | EXERCISE | $1K–$15K | 26K | $0.04 | Dec 1, 2023 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $4.59 | Nov 29, 2023 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $2.14 | Nov 29, 2023 |
| Johnston John Joseph | Director | EXERCISE | $15K–$50K | 10K | $1.71 | Nov 16, 2023 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 10K | $3.71 | Nov 16, 2023 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $1.64 | Aug 30, 2023 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $3.70 | Aug 30, 2023 |
| Johnston John Joseph | Director | SELL | $15K–$50K | 5K | $4.75 | Jul 28, 2023 |
| Johnston John Joseph | Director | EXERCISE | $1K–$15K | 5K | $1.64 | Jul 28, 2023 |
| Doerfler Douglas | President and CEO | SELL | $100K–$500K | 30K | $5.03 | Jul 12, 2023 |
| Doerfler Douglas | President and CEO | EXERCISE | $1K–$15K | 30K | $0.04 | Jul 12, 2023 |
| Johnston John Joseph | Director | SELL | $50K–$100K | 15K | $4.44 | Jun 28, 2023 |
| Johnston John Joseph | Director | EXERCISE | $15K–$50K | 15K | $1.34 | Jun 28, 2023 |
| Doerfler Douglas | President and CEO | EXERCISE | $1K–$15K | 44K | $0.04 | Jun 15, 2023 |
| Doerfler Douglas | President and CEO | SELL | $100K–$500K | 44K | $5.04 | Jun 15, 2023 |
| Doerfler Douglas | President and CEO | SELL | $50K–$100K | 16K | $5.02 | May 5, 2023 |
| Doerfler Douglas | President and CEO | EXERCISE | <$1K | 16K | $0.04 | May 5, 2023 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 78 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Vitruvian Partners LLP | 5.0M | $1M+ | SH |
| CADIAN CAPITAL MANAGEMENT, LP | 3.7M | $1M+ | SH |
| Mudita Advisors LLP | 3.4M | $1M+ | SH |
| BNP Paribas Asset Management Holding S.A. | 2.8M | $1M+ | SH |
| STATE STREET CORP | 2.4M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2M | $1M+ | SH |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 1.0M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 868K | $1M+ | SH |
| Willis Investment Counsel | 863K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 787K | $1M+ | SH |
| VANGUARD GROUP INC | 643K | $500K+ | SH |
| BlackRock, Inc. | 618K | $500K+ | SH |
| Stonepine Capital Management, LLC | 469K | $500K+ | SH |
| JANE STREET GROUP, LLC | 384K | $500K+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 370K | $500K+ | SH |
| BARCLAYS PLC | 300K | $100K–$500K | SH |
| HSBC HOLDINGS PLC | 295K | $100K–$500K | SH |
| LUMINUS MANAGEMENT LLC | 236K | $100K–$500K | SH |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 230K | $100K–$500K | SH |
| Rathbones Group PLC | 227K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Feb 17, 2026
3.5%
3.7M shares
SC 13G · Feb 5, 2026
7.7%
8.2M shares
SC 13G/A · Jan 21, 2026
6.6%
7.0M shares
SC 13G/A · Nov 14, 2025
7.7%
8.2M shares
Mirabella Financial Services LLP
SC 13G/A · Nov 4, 2025
7.7%
8.2M shares
Mirabella Financial Services LLP
SC 13G · Nov 3, 2025
6.2%
6.6M shares
SC 13D · Oct 24, 2025
5.2%
5.5M shares
SC 13G/A · Feb 13, 2025
8.9%
9.3M shares
SC 13G/A · Feb 5, 2025
7.8%
8.3M shares
SC 13G/A · Nov 14, 2024
7.8%
8.2M shares
SC 13G/A · Nov 8, 2024
9.9%
10.4M shares
Integrated Core Strategies (US) LLC
SC 13G/A · Oct 31, 2024
4.0%
4.2M shares
SC 13G/A · Oct 21, 2024
9.9%
10.4M shares
Integrated Core Strategies (US) LLC
SC 13G · Mar 25, 2024
5.5%
5.7M shares
SC 13G/A · Feb 14, 2024
0.0%
0 shares
SC 13G · Feb 14, 2024
5.5%
5.6M shares
The Vanguard Group - 23-1945930
SC 13G · Feb 13, 2024
5.1%
5.3M shares
Integrated Core Strategies (US) LLC
SC 13G/A · Feb 1, 2024
4.8%
5.0M shares
SC 13G/A · Jan 26, 2024
8.0%
8.3M shares
Integrated Core Strategies (US) LLC
SC 13G · Nov 17, 2023
5.6%
5.8M shares
SC 13G/A · Feb 14, 2023
2.1%
2.2M shares
Sofinnova Crossover I SLP (“SC”)
SC 13G/A · Feb 13, 2023
4.5%
4.6M shares
SC 13G/A · Jan 31, 2023
7.6%
7.7M shares
SC 13G/A · Jan 10, 2023
9.0%
9.2M shares
SC 13G · Feb 15, 2022
5.0%
5.1M shares
Sofinnova Crossover I SLP (“SC”)
SC 13G · Feb 11, 2022
5.1%
5.1M shares