DOSSIER · 13F Holders · Q2 2026

CARPENTER TECHNOLOGY CORP

6 institutions still hold CARPENTER TECHNOLOGY CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 144285903·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$61M
visible holders
Holders
6
filers reporting
Concentration
81.97%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported CARPENTER TECHNOLOGY CORP in Q2 2026. IMC-Chicago, LLC leads at 82.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$50M82K0.01%Q2 2026
02
RH Tailwind Management, LLC
CIK 0002065331
$6M10K0.61%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$4M6K0.00%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$1M2K0.00%Q2 2026
05
OSAIC HOLDINGS, INC.
CIK 0001677044
$32K10.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025