DOSSIER · 13F Holders · Q2 2026

FRESENIUS MEDICAL CARE AG

3 institutions still hold FRESENIUS MEDICAL CARE AG as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 358029906·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2M
visible holders
Holders
3
filers reporting
Concentration
68.03%
SIMPLEX TRADING, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported FRESENIUS MEDICAL CARE AG in Q2 2026. SIMPLEX TRADING, LLC leads at 68.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
SIMPLEX TRADING, LLC
CIK 0001488542
$1M50K0.00%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$531K24K0.00%Q2 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025