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MXCT · Maxcyte, Inc.

$1.24 -0.11 (-8.15%) At close · Jul 17
Market Cap
$132.83M
Shares
107,121,672

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 132
Total Value: $45,669,057
Total Shares: 64,652,445
Showing 1–100 of 132 holdings by value · page 1 of 2

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 129 13F filers
Top Holder
13.7%
Jun 2023 → Mar 2026 · range 10.8% – 14.6%
of institutional value
Top 5
46.2%
Jun 2023 → Mar 2026 · range 39.2% – 55.2%
of institutional value
Top 10
66.3%
Jun 2023 → Mar 2026 · range 55.0% – 78.1%
of institutional value
HHI
613
Jun 2023 → Mar 2026 · range 463 – 770
Broadly held
Showing 100 of 132
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $6,185,321 13.54% 8,798,473
Small Capricorn Fund Managers Ltd $5,764,600 12.62% 8,200,000
Small Vitruvian Partners LLP $3,545,479 7.76% 5,043,356
Mega VANGUARD CAPITAL MANAGEMENT LLC $2,799,216 6.13% 3,981,816
Mega MORGAN STANLEY $2,592,753 5.68% 3,688,131
Small Mudita Advisors LLP $2,369,594 5.19% 3,370,689
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $1,949,808 4.27% 2,773,554
Mega GEODE CAPITAL MANAGEMENT, LLC $1,660,957 3.64% 2,362,672
Mega STATE STREET CORP $1,542,009 3.38% 2,193,470
Micro Brooklands Fund Management Ltd $1,539,584 3.37% 2,190,020
Large RENAISSANCE TECHNOLOGIES LLC $1,401,219 3.07% 1,993,200
Small CADIAN CAPITAL MANAGEMENT, LP $1,211,228 2.65% 1,722,942
Small Peapod Lane Capital LLC $936,531 2.05% 1,332,193
Mega AQR CAPITAL MANAGEMENT LLC $858,487 1.88% 1,221,182
Mega GOLDMAN SACHS GROUP INC $814,790 1.78% 1,159,019
Small LUMINUS MANAGEMENT LLC $808,450 1.77% 1,150,000
Small Stonepine Capital Management, LLC $706,285 1.55% 1,004,673
Small NANO CAP NEW MILLENNIUM GROWTH FUND L P $703,000 1.54% 1,000,000
Mid Willis Investment Counsel $606,518 1.33% 862,758
Mega NORTHERN TRUST CORP Bank $562,194 1.23% 799,709
Large JACOBS LEVY EQUITY MANAGEMENT, INC $545,685 1.19% 776,224
Mega VANGUARD FIDUCIARY TRUST CO Bank $452,173 0.99% 643,206
Mega TWO SIGMA INVESTMENTS, LP $427,537 0.94% 608,162
Mega DIMENSIONAL FUND ADVISORS LP $353,359 0.77% 502,646
Micro Marquette Asset Management, LLC $351,173 0.77% 285,507
Small George Kaiser Family Foundation Endowment $338,707 0.74% 481,803
Mega Bank of New York Mellon Corp Bank $283,966 0.62% 403,937
Large FRED ALGER MANAGEMENT, LLC $271,826 0.60% 386,667
Mega CITADEL ADVISORS LLC $234,160 0.51% 333,088
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $231,041 0.51% 328,651
Mid Apollo Management Holdings, L.P. $216,514 0.47% 307,987
Small Mink Brook Asset Management LLC $199,668 0.44% 284,024
Mega UBS Group AG $190,550 0.42% 271,054
Large VOYA INVESTMENT MANAGEMENT LLC $180,052 0.39% 256,120
Mega HSBC HOLDINGS PLC $175,870 0.39% 250,172
Large Rathbones Group PLC $157,034 0.34% 223,378
Mega Nuveen, LLC $153,602 0.34% 218,497
Mega D. E. Shaw & Co., Inc. $140,955 0.31% 200,505
Mega FMR LLC $133,658 0.29% 190,126
Mega BARCLAYS PLC $114,630 0.25% 163,062
Mega AMERIPRISE FINANCIAL INC $101,292 0.22% 144,087
Large STRS OHIO $91,038 0.20% 129,500
Mega BANK OF AMERICA CORP /DE/ Bank $89,462 0.20% 127,258
Mega RHUMBLINE ADVISERS $85,972 0.19% 122,294
Mega Invesco Ltd. $83,815 0.18% 119,227
Large IEQ CAPITAL, LLC $80,985 0.18% 115,200
Mid Callan Family Office, LLC Family Office $79,431 0.17% 112,989
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $70,589 0.15% 57,390
Mega ALLIANCEBERNSTEIN L.P. $70,370 0.15% 100,100
Large MARSHALL WACE, LLP $69,534 0.15% 98,912
Small CABOT WEALTH MANAGEMENT INC $62,301 0.14% 88,623
Mega DEUTSCHE BANK AG\ Bank $58,948 0.13% 83,853
Mid XTX Topco Ltd $53,465 0.12% 76,053
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $46,749 0.10% 66,500
Mid NINE MASTS CAPITAL Ltd $44,704 0.10% 63,591
Large LOS ANGELES CAPITAL MANAGEMENT LLC $44,520 0.10% 63,330
Mid Waverly Advisors, LLC $36,570 0.08% 52,020
Mega PRICE T ROWE ASSOCIATES INC /MD/ $36,230 0.08% 51,537
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $33,803 0.07% 48,084
Large Cerity Partners LLC $32,099 0.07% 45,662
Small KWMG, LLC $31,774 0.07% 25,833
Large Mariner, LLC $30,659 0.07% 43,613
Mega MILLENNIUM MANAGEMENT LLC $30,270 0.07% 43,059
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $29,233 0.06% 41,584
Mega JPMORGAN CHASE & CO $28,887 0.06% 41,092
Mid Y-Intercept (Hong Kong) Ltd $28,826 0.06% 23,436
Mega Vanguard Global Advisers, LLC $28,823 0.06% 41,000
Large CWM, LLC $27,065 0.06% 38,500
Mega WELLS FARGO & COMPANY/MN $26,864 0.06% 38,214
Large Police & Firemen's Retirement System of New Jersey Pension $23,809 0.05% 33,868
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $23,342 0.05% 33,204
Large HRT FINANCIAL LP $20,246 0.04% 28,800
Mid INTECH INVESTMENT MANAGEMENT LLC $18,999 0.04% 27,027
Mid Tower Research Capital LLC (TRC) $18,233 0.04% 25,937
Mid Merit Financial Group, LLC $18,023 0.04% 14,654
Mega BNP PARIBAS ARBITRAGE, SA $15,525 0.03% 22,085
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $15,351 0.03% 21,837
Mega JANE STREET GROUP, LLC $14,459 0.03% 20,569
Mid Vanguard Personalized Indexing Management, LLC $13,211 0.03% 18,793
Large Jain Global LLC $12,318 0.03% 17,523
Mid Granite Investment Partners, LLC $12,276 0.03% 17,463
Mid Virtu Financial LLC $12,235 0.03% 17,404
Mega PNC FINANCIAL SERVICES GROUP, INC. $12,168 0.03% 17,311
Mid GSA CAPITAL PARTNERS LLP $11,591 0.03% 16,488
Large MERCER GLOBAL ADVISORS INC /ADV $10,975 0.02% 15,612
Large PRUDENTIAL FINANCIAL INC $10,745 0.02% 15,285
Large ProShare Advisors LLC $10,305 0.02% 14,660
Large STIFEL FINANCIAL CORP $9,580 0.02% 13,628
Large BLAIR WILLIAM & CO/IL $9,501 0.02% 13,516
Small Scientech Research LLC $8,843 0.02% 12,580
Small Abel Hall, LLC $8,513 0.02% 12,110
Small R Squared Ltd $8,478 0.02% 12,060
Large Focus Partners Wealth $8,308 0.02% 11,818
Large CAPTRUST FINANCIAL ADVISORS $8,062 0.02% 11,469
Mega VICTORY CAPITAL MANAGEMENT INC $7,931 0.02% 11,283
Mid Chicago Partners Investment Group LLC $7,870 0.02% 11,195
Large Creative Planning $7,712 0.02% 10,971
Mid Graham Capital Management, L.P. $7,642 0.02% 10,871
Mid Ameritas Investment Partners, Inc. $7,205 0.02% 10,250
Large Jefferies Financial Group Inc. $7,030 0.02% 10,000
Key facts CIK 1287098 CUSIP 57777K106 13F (30d) 9 filings 9 filers Visit website

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