Who owns MAXCYTE, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of MXCT from SEC Form 13F filings across 122 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 122 institutions disclosed 63.3M shares of MAXCYTE, INC. worth $78.0M — about 59.3% of shares outstanding; the largest disclosed holder is Capricorn Fund Managers Ltd. Source: SEC Form 13F filings, parsed by EvidInvest.
122
13F holders
$78.0M
value, 2026 filers
59.3%
of shares outstanding (63.3M sh)
27
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of MXCT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Capricorn Fund Managers Ltd | 8.2M | $10.1M | 0.8% | 7.7% | 0.0% |
| 2 | Vitruvian Partners LLP | 5.0M | $6.2M | 3.1% | 4.7% | 0.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 4.0M | $5.0M | 0.0% | 3.8% | +1.2% |
| 4 | MORGAN STANLEY | 3.7M | $4.5M | 0.0% | 3.5% | +0.2% |
| 5 | Mudita Advisors LLP | 3.4M | $4.1M | 0.9% | 3.2% | 0.0% |
| 6 | BlackRock, Inc. | 3.1M | $3.8M | 0.0% | 2.9% | -65.2% |
| 7 | Brooklands Fund Management Ltd | 2.8M | $3.7M | 2.9% | 2.7% | +30.0% |
| 8 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2.8M | $3.4M | 0.0% | 2.6% | 0.0% |
| 9 | CADIAN CAPITAL MANAGEMENT, LP | 2.2M | $2.7M | 0.2% | 2.1% | +27.8% |
| 10 | Peapod Lane Capital LLC | 2.1M | $2.6M | 1.8% | 2% | +59.6% |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 1.9M | $2.4M | 0.0% | 1.8% | -4.1% |
| 12 | AQR CAPITAL MANAGEMENT LLC | 1.9M | $2.3M | 0.0% | 1.8% | +54.2% |
| 13 | JANE STREET GROUP, LLC | 1.6M | $1.9M | 0.0% | 1.5% | +7498.8% |
| 14 | TWO SIGMA INVESTMENTS, LP | 1.5M | $1.8M | 0.0% | 1.4% | +140.6% |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1.6M | 0.0% | 1.2% | -43.8% |
| 16 | RBF Capital, LLCNEW | 1.3M | $1.6M | 0.1% | 1.2% | new |
| 17 | GOLDMAN SACHS GROUP INC | 1.2M | $1.5M | 0.0% | 1.2% | +7.2% |
| 18 | MILLENNIUM MANAGEMENT LLC | 1.2M | $1.5M | 0.0% | 1.1% | +2698.3% |
| 19 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1.2M | $1.5M | 1.1% | 1.1% | +20.0% |
| 20 | MARSHALL WACE, LLP | 1.0M | $1.2M | 0.0% | 0.9% | +925.9% |
| 21 | Willis Investment Counsel | 862,758 | $1.1M | 0.1% | 0.8% | 0.0% |
| 22 | CITADEL ADVISORS LLC | 856,318 | $1.1M | 0.0% | 0.8% | +157.1% |
| 23 | Stonepine Capital Management, LLC | 751,606 | $924,475 | 0.5% | 0.7% | -25.2% |
| 24 | VANGUARD FIDUCIARY TRUST CO | 653,203 | $803,440 | 0.0% | 0.6% | +1.6% |
| 25 | George Kaiser Family Foundation | 627,536 | $771,869 | 0.1% | 0.6% | +30.2% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.