13F Insight
DOSSIER · 13F Holders · Q2 2026
TTDKY

TDK CORP SPONSORED ADR

11 institutions still hold TDK CORP SPONSORED ADR as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 872351408·11 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$7M
visible holders
Holders
11
filers reporting
Concentration
71.12%
Boston Common Asset Management, LLC #1
top holder share
AI Holders Summary · Q2 2026

11 institutions reported TTDKY in Q2 2026. Boston Common Asset Management, LLC leads at 71.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Boston Common Asset Management, LLC
CIK 0001409427
$5M208K0.28%Q2 202602
RHUMBLINE ADVISERS
CIK 0001115418
$1M56K0.00%Q2 202603
GAMMA Investing LLC
CIK 0002010235
$305K14K0.01%Q2 202604
Henry James International Management Inc.
CIK 0001750423
$242K11K0.07%Q2 202605
Salomon & Ludwin, LLC
CIK 0001766156
$43K2K0.00%Q2 202606
ATLAS CAPITAL ADVISORS INC.
CIK 0001434165
$28K1K0.00%Q2 202607
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$5K3780.00%Q4 202508
Gleason Group, Inc.
CIK 0001822632
$5K2390.00%Q2 202609
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.
CIK 0000319933
$4K3770.00%Q2 202510
Golden State Equity Partners
CIK 0001845003
$2K1710.00%Q1 202611
RICHARDSON FINANCIAL SERVICES INC.
CIK 0002012303
$1K450.00%Q2 2026