Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MYNZ held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | UBS Group AG | 87K | $41K | +59.8% | 8.942% | 0.00% |
| 2 | XTX Topco Ltd | 64K | $30K | β | 6.638% | 0.00% |
| 3 | Steward Partners Investment Advisory, LLC | 30K | $14K | 0.0% | 3.098% | 0.00% |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 19K | $9K | β | 1.912% | 0.00% |
| 5 | JANE STREET GROUP, LLC | 16K | $8K | -12.7% | 1.662% | 0.00% |
| 6 | HARBOUR INVESTMENTS, INC. | 16K | $7K | β | 1.625% | 0.00% |
| 7 | Journey Advisory Group, LLC | 15K | $7K | 0.0% | 1.549% | 0.00% |
| 8 | TWO SIGMA SECURITIES, LLC | 13K | $6K | -3.0% | 1.323% | 0.00% |
| 9 | SBI Securities Co., Ltd. | 12K | $6K | +3353.4% | 1.202% | 0.00% |
| 10 | Provenance Wealth Advisors, LLC | 1K | $555 | 0.0% | 0.121% | 0.00% |
| 11 | BNP PARIBAS ARBITRAGE, SA | 600 | $284 | β | 0.062% | 0.00% |
| 12 | Newbridge Financial Services Group, Inc. | 500 | $237 | 0.0% | 0.052% | 0.00% |
| 13 | HighMark Wealth Management LLC | 200 | $94 | 0.0% | 0.021% | 0.00% |
| 14 | MORGAN STANLEY | 189 | $90 | 0.0% | 0.019% | 0.00% |
| 15 | IFP Advisors, Inc | 90 | $43 | 0.0% | 0.009% | 0.00% |
| 16 | Virtu Financial LLC | 29K | $14 | +125.1% | 2.978% | 0.00% |
| 17 | Caitong International Asset Management Co., Ltd | 1 | $0 | β | 0.000% | 0.00% |
| 18 | CITIGROUP INC | 1 | $0 | -100.0% | 0.000% | 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 MYNZ β a direct measure of their conviction.
Filings activity in MYNZ during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MYNZ position in Q1 2026
Institutions that fully closed their MYNZ 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 | 18 | +0.0% | 3.73% | 32.32 pp | $0M | 90% |
| Q4 2025 | 18 | +50% | 36.05% | +15.40 pp | $1M | +75% |
| Q3 2025 | 12 | 14% | 20.65% | +4.99 pp | $1M | +32% |
| Q2 2025 | 14 | +27% | 15.66% | 4.98 pp | $1M | 24% |
| Q1 2025 | 11 | +38% | 20.64% | 7.57 pp | $1M | 27% |
| Q4 2024 | 8 | 33% | 28.21% | +26.91 pp | $1M | +2067% |
| Q3 2024 | 12 | +20% | 1.30% | +0.11 pp | $0M | +9.2% |
| Q2 2024 | 10 | β | 1.19% | β | $0M | 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 MYNZ stock.
Based on Q1 2026 13F filings, institutional ownership of Mainz Biomed B.V. stands at 3.7%, held across 18 reporting institutions.
UBS Group AG is the largest reported institutional holder of MYNZ, with approximately 86,576 shares worth $0.00B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of MYNZ, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, JANE STREET GROUP, LLC, TWO SIGMA SECURITIES, LLC.
Our composite Smart Money Score for MYNZ is 51 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in MYNZ during Q1 2026, while 5 fully exited. 1 added to existing positions and 10 trimmed.
MYNZ institutional ownership fell by 32.32 percentage points quarter-over-quarter, with a net change of +0 holders.
The top 10 institutions account for 99.4% of all reported 13F value in MYNZ, and the top 25 account for 100.0%.
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.
Mainz Biomed B.V. (MYNZ) Institutional Ownership