# 1RT ACQUISITION CORP. (ONCH)

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

- Reporting holders: 58
- Reported value: $137.4M
- Held through calls: 0.1%
- 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 |
|---|---|---|---|---|
| [Meteora Capital, LLC](https://holderbook.com/funds/1905106-meteora-capital-llc/) | $17.4M | 1,699,693 | 1.4% | 4 |
| [Verition Fund Management LLC](https://holderbook.com/funds/1454027-verition-fund-management-llc/) | $10.8M | 1,058,716 | 0.0% | 4 |
| [Linden Advisors LP](https://holderbook.com/funds/1279396-linden-advisors-lp/) | $10.3M | 1,010,100 | 0.1% | 4 |
| [Jain Global LLC](https://holderbook.com/funds/2024579-jain-global-llc/) | $9.1M | 891,221 | 0.0% | 3 |
| [Governors Lane LP](https://holderbook.com/funds/1644187-governors-lane-lp/) | $7.7M | 750,000 | 0.6% | 4 |
| [J. Goldman & Co LP](https://holderbook.com/funds/1412741-j-goldman-co-lp/) | $7.3M | 700,000 | 0.2% | 4 |
| [MMCAP International Inc. SPC](https://holderbook.com/funds/1304857-mmcap-international-inc-spc/) | $6.2M | 600,000 | 0.5% | 3 |
| [Polar Asset Management Partners Inc.](https://holderbook.com/funds/1326389-polar-asset-management-partners-inc/) | $5.1M | 500,000 | 0.1% | 1 |
| [HBK INVESTMENTS L P](https://holderbook.com/funds/1011443-hbk-investments-l-p/) | $5.1M | 498,608 | 0.0% | 4 |
| [Radcliffe Capital Management, L.P.](https://holderbook.com/funds/1218275-radcliffe-capital-management-l-p/) | $4.4M | 425,732 | 0.3% | 4 |
| [Saba Capital Management, L.P.](https://holderbook.com/funds/1510281-saba-capital-management-l-p/) | $4.4M | 424,932 | 0.1% | 4 |
| [First Trust Capital Management L.P.](https://holderbook.com/funds/1604488-first-trust-capital-management-l-p/) | $3.1M | 299,996 | 0.2% | 4 |
| [MILLENNIUM MANAGEMENT LLC](https://holderbook.com/funds/1273087-millennium-management-llc/) | $3.0M | 293,200 | 0.0% | 3 |
| [WHITEBOX ADVISORS LLC](https://holderbook.com/funds/1257391-whitebox-advisors-llc/) | $2.7M | 260,000 | 0.0% | 4 |
| [Context Capital Management, LLC](https://holderbook.com/funds/1301396-context-capital-management-llc/) | $2.6M | 250,000 | 0.0% | 4 |
| [TENOR CAPITAL MANAGEMENT Co., L.P.](https://holderbook.com/funds/1346554-tenor-capital-management-co-l-p/) | $2.6M | 250,000 | 0.0% | 4 |
| [MOORE CAPITAL MANAGEMENT, LP](https://holderbook.com/funds/1448574-moore-capital-management-lp/) | $2.6M | 250,000 | 0.0% | 3 |
| [HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND](https://holderbook.com/funds/1535845-healthcare-of-ontario-pension-plan-trust-fund/) | $2.6M | 250,000 | 0.0% | 3 |
| [Mint Tower Capital Management B.V.](https://holderbook.com/funds/1666606-mint-tower-capital-management-b-v/) | $2.0M | 200,000 | 0.2% | 3 |
| [GLAZER CAPITAL, LLC](https://holderbook.com/funds/1076809-glazer-capital-llc/) | $1.7M | 163,000 | 0.0% | 2 |
| [SONA ASSET MANAGEMENT (US) LLC](https://holderbook.com/funds/1856405-sona-asset-management-us-llc/) | $1.7M | 161,200 | 0.0% | 2 |
| [Periscope Capital Inc.](https://holderbook.com/funds/1695320-periscope-capital-inc/) | $1.6M | 153,962 | 0.1% | 4 |
| [TWO SIGMA INVESTMENTS, LP](https://holderbook.com/funds/1179392-two-sigma-investments-lp/) | $1.5M | 150,624 | 0.0% | 4 |
| [Clear Street Group Inc.](https://holderbook.com/funds/1881567-clear-street-group-inc/) | $1.5M | 145,412 | 0.0% | 4 |
| [Cable Car Capital, LP](https://holderbook.com/funds/1699575-cable-car-capital-lp/) | $1.3M | 125,000 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 58 | $137.4M |
| Q1 2026 | 57 | $119.6M |
| Q4 2025 | 50 | $123.1M |
| Q3 2025 | 36 | $90.8M |