# TDK Corp (TTDKY)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/TTDKY/

- Reporting holders: 1
- Reported value: $276.6K
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $276.6K | 14,558 | 0.0% | 12 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 1 | $276.6K |
| Q2 2026 | 10 | $6.5M |
| Q1 2026 | 8 | $3.5M |
| Q4 2025 | 8 | $4.6M |
| Q3 2025 | 6 | $5.1M |
| Q2 2025 | 9 | $3.5M |
| Q1 2025 | 9 | $3.3M |
| Q4 2024 | 8 | $3.9M |
| Q3 2024 | 7 | $3.8M |
| Q2 2024 | 7 | $3.7M |
| Q1 2024 | 10 | $3.1M |
| Q4 2023 | 6 | $3.1M |