13F Insight
DOSSIER · 13F Holders · Q3 2026
TTDKY

TDK CORP SPONSORED ADR

11 institutions still hold TDK CORP SPONSORED ADR as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 872351408·11 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$6M
visible holders
Holders
11
filers reporting
Concentration
69.80%
Boston Common Asset Management, LLC #1
top holder share
AI Holders Summary · Q3 2026

11 institutions reported TTDKY in Q3 2026. Boston Common Asset Management, LLC leads at 69.8% 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
$4M217K0.24%Q3 202602
RHUMBLINE ADVISERS
CIK 0001115418
$1M56K0.00%Q2 202603
GAMMA Investing LLC
CIK 0002010235
$277K15K0.01%Q3 202604
Henry James International Management Inc.
CIK 0001750423
$208K11K0.06%Q3 202605
ATLAS CAPITAL ADVISORS INC.
CIK 0001434165
$28K1K0.00%Q2 202606
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$7K3560.00%Q3 202607
Gleason Group, Inc.
CIK 0001822632
$5K2390.00%Q3 202608
THURSTON, SPRINGER, MILLER, HERD & TITAK, INC.
CIK 0000319933
$4K3770.00%Q2 202509
Golden State Equity Partners
CIK 0001845003
$3K1710.00%Q3 202610
ORG Wealth Partners, LLC
CIK 0002032602
$3K1430.00%Q3 202611
RICHARDSON FINANCIAL SERVICES INC.
CIK 0002012303
$608320.00%Q3 2026