# Otsuka Holdings Co Ltd (OTSKY)

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

- Reporting holders: 1
- Reported value: $371.6K
- 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/) | $371.6K | 10,109 | 0.0% | 12 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 1 | $371.6K |
| Q2 2026 | 10 | $105.0M |
| Q1 2026 | 10 | $111.6M |
| Q4 2025 | 10 | $92.1M |
| Q3 2025 | 9 | $88.9M |
| Q2 2025 | 11 | $83.8M |
| Q1 2025 | 9 | $90.1M |
| Q4 2024 | 7 | $96.4M |
| Q3 2024 | 7 | $103.1M |
| Q2 2024 | 7 | $77.1M |
| Q1 2024 | 5 | $73.7M |
| Q4 2023 | 5 | $67.3M |