MXCT MaxCyte, Inc.
MaxCyte, Inc. (MXCT) Institutional Ownership
What the institutions did with MXCT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
Sign in or subscribeOwnership map
Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| Capricorn Fund Managers Ltd | 8.2M | 13.0% |
| Vitruvian Partners LLP | 5.0M | 8.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.0M | 6.4% |
| MORGAN STANLEY | 3.7M | 5.8% |
| Mudita Advisors LLP | 3.4M | 5.3% |
| BlackRock, Inc. | 3.1M | 4.8% |
| Brooklands Fund Management Ltd | 2.8M | 4.5% |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2.8M | 4.4% |
| CADIAN CAPITAL MANAGEMENT, LP | 2.2M | 3.5% |
| Peapod Lane Capital LLC | 2.1M | 3.4% |
| RENAISSANCE TECHNOLOGIES LLC | 1.9M | 3.0% |
| AQR CAPITAL MANAGEMENT LLC | 1.9M | 3.0% |
| JANE STREET GROUP, LLC | 1.6M | 2.5% |
| TWO SIGMA INVESTMENTS, LP | 1.5M | 2.3% |
| GEODE CAPITAL MANAGEMENT, LLC | 1.3M | 2.1% |
| RBF Capital, LLC | 1.3M | 2.1% |
| GOLDMAN SACHS GROUP INC | 1.2M | 2.0% |
| MILLENNIUM MANAGEMENT LLC | 1.2M | 1.9% |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1.2M | 1.9% |
| MARSHALL WACE, LLP | 1.0M | 1.6% |
| Willis Investment Counsel | 862.8K | 1.4% |
| CITADEL ADVISORS LLC | 856.3K | 1.4% |
| Stonepine Capital Management, LLC | 751.6K | 1.2% |
| VANGUARD FIDUCIARY TRUST CO | 653.2K | 1.0% |
| George Kaiser Family Foundation | 627.5K | 1.0% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| BlackRock, Inc. | Reduced | 8.8M | 3.1M | -5.7M |
| STATE STREET CORP | Reduced | 2.2M | 516.8K | -1.7M |
| JANE STREET GROUP, LLC | Increased | 20.6K | 1.6M | +1.5M |
| RBF Capital, LLC | New | 0 | 1.3M | +1.3M |
| MILLENNIUM MANAGEMENT LLC | Increased | 43.1K | 1.2M | +1.2M |
| LUMINUS MANAGEMENT LLC | Reduced | 1.2M | 60.6K | -1.1M |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 2.4M | 1.3M | -1.0M |
| MARSHALL WACE, LLP | Increased | 98.9K | 1.0M | +915.9K |
| TWO SIGMA INVESTMENTS, LP | Increased | 608.2K | 1.5M | +854.8K |
| Peapod Lane Capital LLC | Increased | 1.3M | 2.1M | +793.6K |
| AQR CAPITAL MANAGEMENT LLC | Increased | 1.2M | 1.9M | +661.6K |
| Brooklands Fund Management Ltd | Increased | 2.2M | 2.8M | +658.1K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 889.2K | 260.4K | -628.8K |
| GSA CAPITAL PARTNERS LLP | Increased | 16.5K | 555.9K | +539.5K |
| NORTHERN TRUST CORP | Reduced | 799.7K | 264.9K | -534.8K |
| CITADEL ADVISORS LLC | Increased | 333.1K | 856.3K | +523.2K |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Reduced | 776.2K | 270.3K | -506.0K |
| CADIAN CAPITAL MANAGEMENT, LP | Increased | 1.7M | 2.2M | +478.2K |
| Man Group plc | New | 0 | 449.0K | +449.0K |
| Qube Research & Technologies Ltd | New | 0 | 389.1K | +389.1K |
| FRED ALGER MANAGEMENT, LLC | Sold Out | 386.7K | 0 | -386.7K |
| Bank of New York Mellon Corp | Reduced | 403.9K | 80.3K | -323.6K |
| Point72 Asset Management, L.P. | New | 0 | 299.9K | +299.9K |
| Marquette Asset Management, LLC | New | 0 | 285.5K | +285.5K |
| Mink Brook Asset Management LLC | Sold Out | 284.0K | 0 | -284.0K |
| VOYA INVESTMENT MANAGEMENT LLC | Sold Out | 256.1K | 0 | -256.1K |
| Stonepine Capital Management, LLC | Reduced | 1.0M | 751.6K | -253.1K |
| Rathbones Group PLC | Reduced | 446.8K | 200.8K | -245.9K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 502.6K | 270.7K | -231.9K |
| Nuveen, LLC | Sold Out | 218.5K | 0 | -218.5K |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 328.7K | 117.2K | -211.5K |
| D. E. Shaw & Co., Inc. | Sold Out | 200.5K | 0 | -200.5K |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | Increased | 1.0M | 1.2M | +200.0K |
| Aster Capital Management (DIFC) Ltd | New | 0 | 163.3K | +163.3K |
| George Kaiser Family Foundation | Increased | 481.8K | 627.5K | +145.7K |
| XTX Topco Ltd | Increased | 76.1K | 206.6K | +130.5K |
| STRS OHIO | Sold Out | 129.5K | 0 | -129.5K |
| IEQ CAPITAL, LLC | Increased | 115.2K | 238.0K | +122.8K |
| Invesco Ltd. | Sold Out | 119.2K | 0 | -119.2K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | 41.6K | 157.0K | +115.4K |
| Quadrature Capital Ltd | New | 0 | 105.5K | +105.5K |
| ALLIANCEBERNSTEIN L.P. | Sold Out | 100.1K | 0 | -100.1K |
| J. Goldman & Co LP | New | 0 | 99.7K | +99.7K |
| HSBC HOLDINGS PLC | Reduced | 250.2K | 155.8K | -94.4K |
| HRT FINANCIAL LP | Increased | 28.8K | 121.2K | +92.4K |
| PANAGORA ASSET MANAGEMENT INC | New | 0 | 89.3K | +89.3K |
| DEUTSCHE BANK AG\ | Sold Out | 83.9K | 0 | -83.9K |
| GOLDMAN SACHS GROUP INC | Increased | 1.2M | 1.2M | +82.9K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 2.0M | 1.9M | -82.4K |
| TUDOR INVESTMENT CORP ET AL | New | 0 | 78.3K | +78.3K |
| RHUMBLINE ADVISERS | Reduced | 122.3K | 48.0K | -74.3K |
| AMERIPRISE FINANCIAL INC | Reduced | 144.1K | 79.5K | -64.6K |
| NINE MASTS CAPITAL Ltd | Sold Out | 63.6K | 0 | -63.6K |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Sold Out | 63.3K | 0 | -63.3K |
| Catalyst Funds Management Pty Ltd | New | 0 | 61.7K | +61.7K |
| Jain Global LLC | Increased | 17.5K | 71.9K | +54.4K |
| Mariner, LLC | Increased | 43.6K | 96.7K | +53.1K |
| Cerity Partners LLC | Increased | 45.7K | 97.9K | +52.2K |
| PRICE T ROWE ASSOCIATES INC /MD/ | Sold Out | 51.5K | 0 | -51.5K |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 4.0M | 4.0M | +49.5K |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.