# ALPHATIME ACQUISITION CORP (ATMCU)

> Institutional ownership reported to the SEC as of Q4 2025, from Form 13F filings. Source: https://holderbook.com/stocks/ATMCU/

- Reporting holders: 2
- Reported value: $105.8K
- 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 |
|---|---|---|---|---|
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $103.9K | 6,929 | 0.0% | 4 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $2.0K | 131 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q4 2025 | 2 | $105.8K |
| Q3 2025 | 2 | $68.9K |
| Q2 2025 | 2 | $78.5K |
| Q1 2025 | 2 | $79.5K |
| Q4 2024 | 2 | $24.3K |
| Q3 2024 | 2 | $40.3K |
| Q2 2024 | 4 | $1.3M |
| Q1 2024 | 4 | $1.3M |
| Q4 2023 | 4 | $1.3M |
| Q3 2023 | 6 | $5.0M |
| Q2 2023 | 7 | $7.3M |
| Q1 2023 | 7 | $12.5M |