DOSSIER · 13F Holders · Q3 2026

MARAVAI LIFESCIENCES HLDGS I

5 institutions still hold MARAVAI LIFESCIENCES HLDGS I as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 56600D907·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$3M
visible holders
Holders
5
filers reporting
Concentration
66.20%
HRT FINANCIAL LP #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported MARAVAI LIFESCIENCES HLDGS I in Q3 2026. HRT FINANCIAL LP leads at 66.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
HRT FINANCIAL LP
CIK 0001475597
$2M250K0.00%Q3 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$529K69K0.00%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$268K35K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$179K23K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025