DOSSIER · 13F Holders · Q3 2026

HYPERFINE INC

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

CUSIP 44916K906·5 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$1M
visible holders
Holders
5
filers reporting
Concentration
95.51%
HRT FINANCIAL LP #1
top holder share
AI Holders Summary · Q3 2026

5 institutions reported HYPERFINE INC in Q3 2026. HRT FINANCIAL LP leads at 95.5% 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
$1M1.3M0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$20K25K0.00%Q3 2026
03
IMC-Chicago, LLC
CIK 0001452861· Market maker
$15K19K0.00%Q3 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$12K15K0.00%Q3 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025