TDK Corp (TTDKY)
Institutional ownership reported to the SEC as of Q2 2026, across 31 quarters.
10
Reporting holders
$6.5M
Reported value
0.0%
Held as options
+2
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Boston Common Asset Management, LLC | $4.7M | 207,984 | 0.28% | 31q | +2.8%+$124.9K |
| RHUMBLINE ADVISERS | $1.3M | 56,045 | 0.00% | 13q | +5.4%+$63.9K |
| GAMMA Investing LLC | $304.7K | 13,629 | 0.01% | 11q | +15.4%+$40.6K |
| Henry James International Management Inc. | $242.0K | 11,019 | 0.07% | new | NEW |
| Salomon & Ludwin, LLC | $42.9K | 1,911 | 0.00% | 10q | -16.3%-$8.4K |
| ATLAS CAPITAL ADVISORS INC. | $27.7K | 1,238 | 0.00% | new | NEW |
| PNC Financial Services Group, Inc. | $8.5K | 380 | 0.00% | 18q | +5.0% |
| THURSTON, SPRINGER, MILLER, HERD & TITAK, INC. | $8.4K | 377 | 0.00% | 3q | HELD |
| Gleason Group, Inc. | $5.2K | 239 | 0.00% | new | NEW |
| RICHARDSON FINANCIAL SERVICES INC. | $1.0K | 45 | 0.00% | 3q | HELD |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 10 | $6.5M | 292,867 | 3 | 4 | 1 | 0.0% |
| Q1 2026 | 8 | $3.5M | 270,637 | 1 | 2 | 3 | 0.0% |
| Q4 2025 | 8 | $4.6M | 324,020 | 2 | 3 | 2 | 0.0% |
| Q3 2025 | 6 | $5.1M | 349,921 | 0 | 4 | 1 | 0.0% |
| Q2 2025 | 9 | $3.5M | 297,736 | 0 | 4 | 2 | 0.0% |
| Q1 2025 | 9 | $3.3M | 314,077 | 3 | 1 | 4 | 0.0% |
| Q4 2024 | 8 | $3.9M | 298,986 | 1 | 7 | 0 | 0.0% |
| Q3 2024 | 6 | $937.9K | 14,736 | 1 | 3 | 1 | 0.0% |
| Q2 2024 | 6 | $897.9K | 14,561 | 0 | 2 | 2 | 0.0% |
| Q1 2024 | 9 | $753.8K | 15,340 | 4 | 2 | 2 | 0.0% |
| Q4 2023 | 5 | $606.7K | 12,720 | 0 | 3 | 0 | 0.0% |
| Q3 2023 | 6 | $457.2K | 12,299 | 1 | 2 | 2 | 0.0% |
| Q2 2023 | 6 | $475.1K | 12,258 | 1 | 3 | 1 | 0.0% |
| Q1 2023 | 6 | $564.9K | 15,882 | 2 | 1 | 1 | 0.0% |
| Q4 2022 | 4 | $215.4K | 6,647 | 0 | 0 | 2 | 0.0% |
| Q3 2022 | 5 | $3.1M | 101,560 | 2 | 0 | 1 | 0.0% |
| Q2 2022 | 5 | $3.0M | 98,524 | 1 | 2 | 2 | 0.0% |
| Q1 2022 | 5 | $4.3M | 117,464 | 1 | 2 | 1 | 0.0% |
| Q4 2021 | 5 | $4.1M | 105,430 | 1 | 3 | 0 | 0.0% |
| Q3 2021 | 5 | $3.8M | 35,487 | 0 | 3 | 1 | 0.0% |
| Q2 2021 | 5 | $3.4M | 28,005 | 1 | 2 | 1 | 0.0% |
| Q1 2021 | 9 | $41.5M | 308,577 | 3 | 4 | 0 | 0.0% |
| Q4 2020 | 7 | $35.6M | 235,066 | 2 | 2 | 1 | 0.0% |
| Q3 2020 | 8 | $27.1M | 249,522 | 2 | 3 | 2 | 0.0% |
| Q2 2020 | 7 | $23.8M | 240,580 | 0 | 4 | 2 | 0.0% |
| Q1 2020 | 10 | $19.4M | 251,935 | 3 | 3 | 1 | 0.0% |
| Q4 2019 | 9 | $23.2M | 205,779 | 3 | 3 | 3 | 0.0% |
| Q3 2019 | 6 | $18.1M | 201,218 | 0 | 3 | 1 | 0.0% |
| Q2 2019 | 7 | $14.0M | 181,012 | 1 | 2 | 3 | 0.0% |
| Q1 2019 | 7 | $15.7M | 200,067 | 1 | 3 | 2 | 0.0% |
| Q4 2018 | 8 | $16.4M | 233,140 | 0 | 0 | 0 | 0.0% |