MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2021 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
MXCT on Nasdaq
Shares outstanding
106,851,987
Price per share
$1.55
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
70,086,158
Total reported value
$110,770,904
% of total 13F portfolios
0%
Share change
-4,058,636
Value change
-$9,564,633
Number of holders
111
Price from insider filings
$1.55
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 7.8% $24,024,960 8,256,000 BlackRock, Inc. 31 Dec 2024
CADIAN CAPITAL MANAGEMENT, LP 7.7% -13% $12,999,613 -$1,764,577 8,227,603 -12% Cadian Capital Management, LP 30 Sep 2025
MIRABELLA FINANCIAL SERVICES LLP 7.7% +25% $12,956,000 +$2,528,000 8,200,000 +24% Mirabella Financial Services LLP 30 Sep 2025
RIVER GLOBAL INVESTORS LLP 5.2% $8,685,974 5,497,452 RIVER GLOBAL INVESTORS LLP 23 Sep 2025

As of 30 Sep 2025, 111 institutional investors reported holding 70,086,158 shares of MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT). This represents 66% of the company’s total 106,851,987 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) together control 61% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 9.3% 9,983,913 -2.1% 0% $15,774,583
CADIAN CAPITAL MANAGEMENT, LP 7.7% 8,227,603 -7.7% 0.77% $12,999,613
MIRABELLA FINANCIAL SERVICES LLP 7.7% 8,200,000 +24% 1.1% $12,956,000
MORGAN STANLEY 6.3% 6,695,879 -4.7% 0% $10,579,489
VANGUARD GROUP INC 5.2% 5,588,093 -0.24% 0% $8,829,187
Vitruvian Partners LLP 4.7% 5,043,356 0% 5.5% $7,968,502
Mudita Advisors LLP 3.2% 3,370,689 0% 1.5% $5,325,688
AXA Investment Managers S.A. 2.6% 2,773,554 0% 0.01% $4,382,215
GEODE CAPITAL MANAGEMENT, LLC 2.4% 2,559,632 +3.2% 0% $4,045,138
STATE STREET CORP 2.1% 2,266,850 +3.8% 0% $3,581,623
KENNEDY CAPITAL MANAGEMENT LLC 2% 2,107,392 0.07% $3,329,679
DIMENSIONAL FUND ADVISORS LP 1.4% 1,451,467 -17% 0% $2,292,649
Willis Investment Counsel 0.81% 862,758 +127% 0.07% $1,363,158
CITADEL ADVISORS LLC 0.75% 803,066 -22% 0% $1,268,844
NORTHERN TRUST CORP 0.74% 787,137 +0.16% 0% $1,243,677
RENAISSANCE TECHNOLOGIES LLC 0.7% 750,776 +4.6% 0% $1,186,226
UBS Group AG 0.44% 474,487 +186% 0% $749,690
Stonepine Capital Management, LLC 0.43% 459,018 0.59% $725,248
GOLDMAN SACHS GROUP INC 0.39% 419,523 -5.2% 0% $662,847
AQR CAPITAL MANAGEMENT LLC 0.37% 390,993 +58% 0% $617,769
FRED ALGER MANAGEMENT, LLC 0.37% 390,104 0% 0% $616,364
XTX Topco Ltd 0.36% 389,071 +123% 0.03% $614,732
Point72 Asset Management, L.P. 0.35% 378,039 0% $597,302
Bank of New York Mellon Corp 0.34% 363,928 +5.2% 0% $575,006
JANE STREET GROUP, LLC 0.34% 362,238 +582% 0% $572,336

Institutional Holders of MAXCYTE, INC. - Common Stock, par value $0.01 per share (MXCT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 77,453 $120,479 +$35,628 $1.55 5
2025 Q3 70,086,158 $110,770,904 -$9,564,633 $1.58 111
2025 Q2 71,312,542 $155,420,766 -$4,610,056 $2.18 114
2025 Q1 72,275,286 $197,291,658 +$5,448,211 $2.73 113
2024 Q4 72,601,582 $301,915,716 +$16,703,932 $4.16 117
2024 Q3 68,732,459 $267,403,204 +$177,601 $3.89 117
2024 Q2 68,331,730 $268,018,684 +$5,431,035 $3.92 111
2024 Q1 66,871,823 $280,332,915 -$841,680 $4.19 120
2023 Q4 66,857,030 $313,997,629 +$26,691,319 $4.70 117
2023 Q3 64,348,842 $200,754,799 -$8,031,870 $3.12 118
2023 Q2 66,112,244 $303,306,284 -$1,038,985 $4.59 113
2023 Q1 65,801,991 $325,433,735 -$11,971,061 $4.95 108
2022 Q4 68,954,478 $375,732,460 -$4,066,910 $5.46 101
2022 Q3 69,617,791 $452,111,095 +$12,236,766 $6.50 106
2022 Q2 68,054,894 $321,283,224 -$12,469,260 $4.73 100
2022 Q1 68,456,122 $478,728,444 -$147,649 $6.99 95
2021 Q4 66,860,593 $681,317,067 +$120,040,819 $10.19 97
2021 Q3 54,493,245 $664,687,301 +$664,687,301 $12.21 78