Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MXCT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 8.8M | $6.2M | -4.8% | 8.213% | 0.00% |
| 2 | Capricorn Fund Managers Ltd | 8.2M | $5.8M | β | 7.655% | 0.90% |
| 3 | Vitruvian Partners LLP | 5.0M | $3.5M | 0.0% | 4.708% | 3.17% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 4.0M | $2.8M | β | 3.717% | 0.00% |
| 5 | MORGAN STANLEY | 3.7M | $2.6M | -16.8% | 3.443% | 0.00% |
| 6 | Mudita Advisors LLP | 3.4M | $2.4M | 0.0% | 3.147% | 0.48% |
| 7 | BNP Paribas Asset Management Holding S.A. | 2.8M | $1.9M | 0.0% | 2.589% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.4M | $1.7M | -6.2% | 2.206% | 0.00% |
| 9 | STATE STREET CORP | 2.2M | $1.5M | -7.0% | 2.048% | 0.00% |
| 10 | Brooklands Fund Management Ltd | 2.2M | $1.5M | β | 2.044% | 2.02% |
| 11 | RENAISSANCE TECHNOLOGIES LLC | 2.0M | $1.4M | +153.3% | 1.861% | 0.00% |
| 12 | CADIAN CAPITAL MANAGEMENT, LP | 1.7M | $1.2M | -53.2% | 1.608% | 0.15% |
| 13 | Peapod Lane Capital LLC | 1.3M | $926K | β | 1.244% | 0.76% |
| 14 | AQR CAPITAL MANAGEMENT LLC | 1.2M | $858K | +1199.5% | 1.140% | 0.00% |
| 15 | GOLDMAN SACHS GROUP INC | 1.2M | $814K | +144.9% | 1.082% | 0.00% |
| 16 | LUMINUS MANAGEMENT LLC | 1.1M | $808K | +386.3% | 1.073% | 0.49% |
| 17 | Stonepine Capital Management, LLC | 1.0M | $706K | +114.2% | 0.938% | 0.56% |
| 18 | NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1.0M | $703K | +334.8% | 0.933% | 0.66% |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 889K | $625K | β | 0.830% | 0.00% |
| 20 | Willis Investment Counsel | 863K | $606K | 0.0% | 0.805% | 0.03% |
| 21 | NORTHERN TRUST CORP | 800K | $562K | +7.2% | 0.747% | 0.00% |
| 22 | JACOBS LEVY EQUITY MANAGEMENT, INC | 776K | $545K | -24.5% | 0.725% | 0.00% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 643K | $452K | β | 0.600% | 0.00% |
| 24 | TWO SIGMA INVESTMENTS, LP | 608K | $427K | +591.7% | 0.568% | 0.00% |
| 25 | DIMENSIONAL FUND ADVISORS LP | 503K | $353K | -48.0% | 0.469% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MXCT β a direct measure of their conviction.
Filings activity in MXCT during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MXCT position in Q1 2026
Institutions that fully closed their MXCT position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 128 | +16% | 38.14% | 39.28 pp | $46M | 51% |
| Q4 2025 | 110 | +0.0% | 77.42% | 14.63 pp | $93M | 16% |
| Q3 2025 | 110 | 6.8% | 92.05% | 36.14 pp | $110M | 28% |
| Q2 2025 | 118 | +2.6% | 128.19% | 35.70 pp | $154M | 22% |
| Q1 2025 | 115 | 2.5% | 163.89% | 36.10 pp | $197M | 34% |
| Q4 2024 | 118 | 1.7% | 199.99% | +0.00 pp | $298M | +12% |
| Q3 2024 | 120 | +5.3% | 199.99% | +0.00 pp | $265M | 1.2% |
| Q2 2024 | 114 | β | 199.99% | β | $268M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MXCT stock.
Based on Q1 2026 13F filings, institutional ownership of MaxCyte, Inc. stands at 38.1%, held across 128 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MXCT, with approximately 8,798,473 shares worth $0.01B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of MXCT, including RENAISSANCE TECHNOLOGIES LLC, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for MXCT is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
40 institutions opened new positions in MXCT during Q1 2026, while 22 fully exited. 17 added to existing positions and 70 trimmed.
MXCT institutional ownership fell by 39.28 percentage points quarter-over-quarter, with a net change of +18 holders.
The top 10 institutions account for 65.4% of all reported 13F value in MXCT, and the top 25 account for 89.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MaxCyte, Inc. (MXCT) Institutional Ownership