# 1RT ACQUISITION CORP. (ONCHU)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ONCHU/

- Reporting holders: 17
- Reported value: $34.5M
- 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 |
|---|---|---|---|---|
| [Point72 Asset Management, L.P.](https://holderbook.com/funds/1603466-point72-asset-management-l-p/) | $15.5M | 1,500,000 | 0.0% | 4 |
| [LMR Partners LLP](https://holderbook.com/funds/1578621-lmr-partners-llp/) | $7.2M | 700,000 | 0.0% | 4 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $3.6M | 345,356 | 0.0% | 4 |
| [Ghisallo Capital Management LLC](https://holderbook.com/funds/1825214-ghisallo-capital-management-llc/) | $2.6M | 250,000 | 0.1% | 4 |
| [TORONTO DOMINION BANK](https://holderbook.com/funds/947263-toronto-dominion-bank/) | $1.1M | 102,438 | 0.0% | 4 |
| [PEAK6 LLC](https://holderbook.com/funds/1389958-peak6-llc/) | $775.5K | 75,000 | 0.0% | 4 |
| [Kamunting Street Capital Management, L.P.](https://holderbook.com/funds/1317267-kamunting-street-capital-management-l-p/) | $620.0K | 60,000 | 0.3% | 3 |
| [JPMORGAN CHASE & CO](https://holderbook.com/funds/19617-jpmorgan-chase-co/) | $517.0K | 50,000 | 0.0% | 4 |
| [OMERS ADMINISTRATION Corp](https://holderbook.com/funds/1053321-omers-administration-corp/) | $516.9K | 49,991 | 0.0% | 4 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $507.0K | 48,842 | 0.0% | 4 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $419.6K | 40,583 | 0.0% | 4 |
| [Westchester Capital Management, LLC](https://holderbook.com/funds/1512805-westchester-capital-management-llc/) | $320.5K | 30,820 | 0.0% | 4 |
| [Yakira Capital Management, Inc.](https://holderbook.com/funds/1584639-yakira-capital-management-inc/) | $253.2K | 24,485 | 0.1% | 4 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $198.9K | 19,128 | 0.0% | 1 |
| [Parallax Volatility Advisers, L.P.](https://holderbook.com/funds/1521001-parallax-volatility-advisers-l-p/) | $126.7K | 12,187 | 0.0% | 2 |
| [Walleye Capital LLC](https://holderbook.com/funds/1758720-walleye-capital-llc/) | $104.0K | 10,000 | 0.0% | 4 |
| [READYSTATE ASSET MANAGEMENT LP](https://holderbook.com/funds/1900923-readystate-asset-management-lp/) | $104.0K | 10,000 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 17 | $34.5M |
| Q1 2026 | 19 | $38.5M |
| Q4 2025 | 24 | $41.6M |
| Q3 2025 | 44 | $76.6M |