13F Insight
DOSSIER · 13F Holders · Q2 2026

MAINZ BIOMED N V

19 institutions still hold MAINZ BIOMED N V as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP N5436L119·19 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$184K
visible holders
Holders
19
filers reporting
Concentration
22.31%
UBS Group AG #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported MAINZ BIOMED N V in Q2 2026. UBS Group AG leads at 22.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
UBS Group AG
CIK 0001610520
$41K26K0.00%Q2 202602
Steward Partners Investment Advisory, LLC
CIK 0001723397
$31K20K0.00%Q2 202603
XTX Topco Ltd
CIK 0001828301
$18K11K0.00%Q2 202604
MORGAN STANLEY
CIK 0000895421
$18K11K0.00%Q2 202605
Journey Advisory Group, LLC
CIK 0001840085
$16K10K0.00%Q2 202606
CITADEL ADVISORS LLC
CIK 0001423053
$14K13K0.00%Q4 202507
Virtu Financial LLC
CIK 0001533964· Market maker
$14K29K0.00%Q1 202608
Keystone Financial Group, Inc.
CIK 0002053642
$8K5K0.00%Q2 202609
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$8K16K0.00%Q1 202610
Tower Research Capital LLC (TRC)
CIK 0001533421
$6K4K0.00%Q2 202611
OSAIC HOLDINGS, INC.
CIK 0001677044
$3K2K0.00%Q2 202612
SBI Securities Co., Ltd.
CIK 0001851815
$2K1K0.00%Q2 202613
Provenance Wealth Advisors, LLC
CIK 0002081584
$2K1K0.00%Q2 202614
NBC SECURITIES, INC.
CIK 0000791540
$1K7900.00%Q2 202615
Newbridge Financial Services Group, Inc.
CIK 0001879757
$7855000.00%Q2 202616
HighMark Wealth Management LLC
CIK 0001802451
$3142000.00%Q2 202617
IFP Advisors, Inc
CIK 0001641866
$141900.00%Q2 202618
CITIGROUP INC
CIK 0000831001
$66420.00%Q2 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025