MAXCYTE INC MXCT
COM · Common Stock · CUSIP 57777K106 · ISIN US57777K1060
Biotech company in Rockville, United States
- SectorHealth care
- IndustryServices-Commercial Physical & Biological Research
- HeadquartersRockville, MD
- Websitemaxcyte.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($14.7k this quarter). Holder counts are more reliable. Shares outstanding: 105.5m as of 2024-11-01, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $3.90. Options: 2 managers hold calls ($3.9k notional), 3 hold puts ($8.8k).
Trends to Q3 2024
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 108 |
| Q4 2022 | 105 |
| Q1 2023 | 115 |
| Q2 2023 | 117 |
| Q3 2023 | 121 |
| Q4 2023 | 121 |
| Q1 2024 | 124 |
| Q2 2024 | 115 |
| Q3 2024 | 121 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 51 | 41 |
| Q1 2023 | 68 | 32 |
| Q2 2023 | 59 | 47 |
| Q3 2023 | 58 | 51 |
| Q4 2023 | 68 | 49 |
| Q1 2024 | 57 | 58 |
| Q2 2024 | 56 | 56 |
| Q3 2024 | 61 | 36 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2023 | $0 | $20.7k | — |
| Q1 2024 | $18.0k | $9.8k | 0.54 |
| Q2 2024 | $7.8k | $13.6k | 1.73 |
| Q3 2024 | $3.9k | $8.8k | 2.26 |
Biggest buyers
| CenterBook Partners LP | New | +585.1k |
| CADIAN CAPITAL MANAGEMENT, LP | Added | +566.0k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | Added | +383.3k |
| DIMENSIONAL FUND ADVISORS LP | Added | +227.7k |
| MORGAN STANLEY | Added | +178.0k |
| ArrowMark Colorado Holdings LLC | Added | +169.2k |
| Mudita Advisors LLP | Added | +167.1k |
| GOLDMAN SACHS GROUP INC | Added | +157.5k |
| VANGUARD GROUP INC | Added | +130.1k |
| BARCLAYS PLC | Added | +127.2k |
Biggest sellers
| MILLENNIUM MANAGEMENT LLC | Reduced | -985.1k |
| Blue Water Life Science Advisors, LP | Sold out | -603.9k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | Sold out | -499.6k |
| FMR LLC | Reduced | -437.2k |
| Portolan Capital Management, LLC | Reduced | -384.2k |
| MARSHALL WACE, LLP | Reduced | -277.1k |
| ALGERT GLOBAL LLC | Reduced | -120.8k |
| Bank of New York Mellon Corp | Reduced | -77.6k |
| LAZARD ASSET MANAGEMENT LLC | Reduced | -51.4k |
| JANE STREET GROUP, LLC | Reduced | -50.7k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $3.9k1.0k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $7.8k2.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $1.0k500 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Capricorn Fund Managers Ltd 13G · institution new · filed 2026-02-05 | 7.7% |
Liontrust Investment Partners LLP
13D · may seek influence
new · filed 2026-10-15
Stated purpose(a) The acquisition by any person of additional securities of the issuer, or the disposition of securities of the issuer Full filing |
5.0% |
Fell to 5% or below in the last year: RIVER GLOBAL INVESTORS LLP (0.8%, 2026-08-04), BlackRock, Inc. (1.3%, 2026-07-29), MIRABELLA FINANCIAL SERVICES LLP (0.0%, 2026-04-10), VANGUARD GROUP INC (0.0%, 2026-03-27), CADIAN CAPITAL MANAGEMENT, LP (3.5%, 2026-02-17)
Insider purchases and sales in Q3 2024
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2022 | 0 | — | 1 | $559.1k | — |
| Q1 2023 | 1 | $345.6k | 2 | $605.2k | $13.0k |
| Q2 2023 | 0 | — | 3 | $934.9k | $934.9k |
| Q3 2023 | 0 | — | 2 | $193.1k | $193.1k |
| Q4 2023 | 0 | — | 2 | $849.9k | $82.7k |
| Q1 2024 | 0 | — | 1 | $70.7k | $70.7k |
| Q2 2024 | 1 | $489.1k | 2 | $176.2k | $176.2k |
| Q3 2024 | 0 | — | 3 | $512.7k | $512.7k |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2024-09-26 | Johnston John Joseph Director | Sold plan | $11.5k3.0k shares |
| 2024-09-04 | Erck Stanley C Director | Sold plan | $118.2k29.8k shares |
| 2024-09-03 | Erck Stanley C Director | Sold plan | $73.5k17.9k shares |
| 2024-08-26 | Johnston John Joseph Director | Sold plan | $12.8k3.0k shares |
| 2024-08-02 | Ross Thomas M. EVP, GLOBAL SALES | Sold plan | $77.9k17.9k shares |
| 2024-08-01 | Ross Thomas M. EVP, GLOBAL SALES | Sold plan | $70.3k15.5k shares |
| 2024-07-26 | Johnston John Joseph Director | Sold plan | $14.2k3.0k shares |
| 2024-07-09 | Ross Thomas M. EVP, GLOBAL SALES | Sold plan | $54.5k13.5k shares |
| 2024-07-08 | Ross Thomas M. EVP, GLOBAL SALES | Sold plan | $79.8k19.8k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q3 2024
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 8.5m $33.0m | First filing |
| CADIAN CAPITAL MANAGEMENT, LP 1.63% of their portfolio | 8.2m $31.9m | Added +566.0k |
| VANGUARD GROUP INC 0.00% of their portfolio | 5.8m $22.5m | Added +130.1k |
| Vitruvian Partners LLP 7.62% of their portfolio | 5.0m $19.6m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 4.8m $18.7m | Added +178.0k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 4.2m $16.3m | Reduced -985.1k |
| Mudita Advisors LLP 6.71% of their portfolio | 3.2m $12.3m | Added +167.1k |
| FMR LLC 0.00% of their portfolio | 3.0m $11.6m | Reduced -437.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.5m $9.6m | Added +48.0k |
| STATE STREET CORP 0.00% of their portfolio | 2.3m $8.8m | Added +111.1k |
| RIVER GLOBAL INVESTORS LLP 1.73% of their portfolio | 2.1m $8.0m | Added +93.3k |
| Swedbank AB 0.01% of their portfolio | 1.6m $6.2m | Unchanged |
| ArrowMark Colorado Holdings LLC 0.07% of their portfolio | 1.4m $5.4m | Added +169.2k |
| Chevy Chase Trust Holdings, LLC 0.02% of their portfolio | 1.3m $5.2m | Added +9.5k |
| Portolan Capital Management, LLC 0.37% of their portfolio | 1.3m $5.1m | Reduced -384.2k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.2m $4.8m | Added +227.7k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 1.1m $4.3m | Reduced -17.1k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.03% of their portfolio | 1.1m $4.2m | Added +383.3k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 860.3k $3.3m | Added +90.3k |
| CenterBook Partners LP 0.14% of their portfolio | 585.1k $2.3m | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 505.4k $2.0m | Added +157.5k |
| Roubaix Capital, LLC 0.92% of their portfolio | 427.5k $1.7m | Added +12.7k |
| Willis Investment Counsel 0.10% of their portfolio | 405.5k $1.6m | Reduced -33.3k |
| FRED ALGER MANAGEMENT, LLC 0.01% of their portfolio | 389.6k $1.5m | Reduced -4.2k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 388.0k $1.5m | Reduced -31.1k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 370.6k $1.4m | Added +102.0k |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 361.4k $1.4m | Reduced -51.4k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 345.6k $1.3m | Reduced -77.6k |
| ROYCE & ASSOCIATES LP 0.01% of their portfolio | 323.9k $1.3m | Added +121.3k |
| Apollo Management Holdings, L.P. 0.02% of their portfolio | 308.0k $1.2m | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 299.7k $1.2m | Added +761 |
| BLAIR WILLIAM & CO/IL 0.00% of their portfolio | 273.0k $1.1m | Added +2.7k |
| Rathbones Group PLC 0.01% of their portfolio | 253.1k $994.7k | Reduced -9.6k |
| Bleichroeder LP 0.26% of their portfolio | 250.0k $979.7k | Unchanged |
| MARSHALL WACE, LLP 0.00% of their portfolio | 222.6k $865.9k | Reduced -277.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 203.6k $792.2k | Reduced -27.1k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 197.1k $766.9k | Added +42.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 190.1k $739.5k | Reduced -20.8k |
| Swiss National Bank 0.00% of their portfolio | 184.4k $717.3k | Unchanged |
| BARCLAYS PLC 0.00% of their portfolio | 165.8k $644.8k | Added +127.2k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 161.5k $628.4k | Added +17.4k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 151.3k $588.4k | Reduced -6.4k |
| Squarepoint Ops LLC 0.00% of their portfolio | 143.8k $559.4k | Reduced -172 |
| CITIGROUP INC 0.00% of their portfolio | 128.7k $505.6k | Added +48.9k |
| STRS OHIO 0.00% of their portfolio | 120.3k $468.0k | Unchanged |
| M&T Bank Corp 0.00% of their portfolio | 113.8k $442.5k | Added +25.6k |
| Valmark Advisers, Inc. 0.01% of their portfolio | 113.2k $440.3k | Reduced -342 |
| Legal & General Group Plc 0.00% of their portfolio | 100.6k $391.6k | Added +3.9k |
| US BANCORP \DE\ 0.00% of their portfolio | 95.2k $370.2k | Reduced -1.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 89.7k $349.0k | Reduced -2.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 85.0k $330.6k | Unchanged |
| ALGERT GLOBAL LLC 0.01% of their portfolio | 81.6k $317.5k | Reduced -120.8k |
| UBS Group AG 0.00% of their portfolio | 68.1k $264.7k | Added +18.4k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 67.2k $260.3k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 66.9k $260.1k | Reduced -50.7k |
| MetLife Investment Management, LLC 0.00% of their portfolio | 61.0k $237.2k | Unchanged |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 59.7k $232.1k | Added +17.3k |
| GAGNON SECURITIES LLC 0.05% of their portfolio | 59.1k $229.8k | Added +2.6k |
| Ensign Peak Advisors, Inc 0.00% of their portfolio | 59.0k $229.6k | Unchanged |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 57.3k $223.1k | Added +13.4k |
| SALEM INVESTMENT COUNSELORS INC 0.01% of their portfolio | 56.4k $219.3k | Unchanged |
| Corebridge Financial, Inc. 0.00% of their portfolio | 55.9k $217.6k | Reduced -344 |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 50.6k $196.7k | Added +31.2k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 48.0k $186.9k | Added +2.1k |
| Invesco Ltd. 0.00% of their portfolio | 45.2k $176.0k | Reduced -222 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 41.0k $159.6k | Reduced -1.3k |
| AJOVista, LLC 0.64% of their portfolio | 38.7k $150.6k | New |
| SG Americas Securities, LLC 0.00% of their portfolio | 38.0k $148.0k | Added +17.4k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 36.1k $140.6k | Added +12 |
| SHERBROOKE PARK ADVISERS LLC 0.03% of their portfolio | 35.3k $137.3k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 33.4k $130.0k | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 32.7k $127.3k | Unchanged |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 32.2k $125.6k | Added +13.7k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 30.1k $116.9k | Unchanged |
| Creative Planning 0.00% of their portfolio | 28.7k $111.5k | Added +7.2k |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 27.1k $105.4k | Added +858 |
| ProShare Advisors LLC 0.00% of their portfolio | 26.0k $101.1k | Added +7.8k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 25.1k $97.3k | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 24.5k $95.3k | New |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 24.2k $94.1k | Added +4.9k |
| Verition Fund Management LLC 0.00% of their portfolio | 21.3k $83.0k | Added +6.0k |
| China Universal Asset Management Co., Ltd. 0.01% of their portfolio | 20.2k $78.6k | Added +7.9k |
| BANTAMAC CAPITAL, LLC 0.04% of their portfolio | 19.4k $75.4k | Reduced -38.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 19.2k $74.7k | Added +2.6k |
| ENVESTNET ASSET MANAGEMENT INC 0.00% of their portfolio | 17.7k $68.7k | Added +2.4k |
| Pictet Asset Management Holding SA 0.00% of their portfolio | 14.5k $56.5k | Unchanged |
| Moors & Cabot, Inc. 0.00% of their portfolio | 13.2k $51.3k | Added +295 |
| INTECH INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 13.1k $51.0k | New |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 12.6k $48.9k | Reduced -924 |
| State of Wyoming 0.01% of their portfolio | 12.4k $48.3k | New |
| Aquatic Capital Management LLC 0.00% of their portfolio | 12.4k $48.2k | Added +12.1k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 12.3k $47.8k | Added +409 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 11.7k $45.7k | Reduced -235 |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 10.9k $42.0k | Added +1.0k |
| PRELUDE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 10.7k $41.6k | New |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 10.2k $39.9k | Unchanged |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 9.7k $37.9k | Added +4.1k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 9.4k $36.7k | Reduced -14.2k |
| BROWN BROTHERS HARRIMAN & CO 0.00% of their portfolio | 6.3k $24.3k | Unchanged |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 3.8k $14.7k | Added +680 |