1RT Acquisition Corp.
ONCHW- Exchange
- Nasdaq
- Industry
- Blank Checks
- SEC CIK
- 0002054272
No open-market purchases or sales by 1RT Acquisition Corp. insiders were filed in the last 90 days; 40 institutions reported holding it in 13F filings for Q2 2026, worth $1.50M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in 1RT Acquisition Corp. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 42
- +4 vs. Q4 2025
- Shares held
- 2.83M
- +165.5K (+6.2%) vs. Q4 2025
- Total value
- $1.21M
- −$337.9K (−21.8%) vs. Q4 2025
- New holders
- 5
- 6 more added
- Sold out
- 1
- 1 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ONCHW on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 40 | $1.50M |
| Q1 2026 | 42 | $1.21M |
| Q4 2025 | 39 | $1.55M |
| Q3 2025 | 32 | $1.96M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding 1RT Acquisition Corp.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 327 | $141 | 0.00% | +327 | New |
| PenderFund Capital Management Ltd. | 1,250 | $556 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 6,015 | $2.68K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 6,250 | $2.69K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 6,249 | $2.69K | 0.00% | 00.0% | Unchanged |
| Kepos Capital LP | 5,875 | $3.00K | 0.00% | +5,875 | New |
| Gritstone Asset Management LLC | 12,358 | $5.32K | 0.01% | 00.0% | Unchanged |
| Galaxy Digital Inc. | 12,500 | $5.38K | 0.00% | +12,500 | New |
| Quarry LP | 12,500 | $5.56K | 0.00% | 00.0% | Unchanged |
| Radcliffe Capital Management, L.P. | 14,830 | $6.60K | 0.00% | 00.0% | Unchanged |
| CNH Partners LLC | 19,061 | $8.20K | 0.00% | +78+0.4% | Added |
| Clear Street Group Inc. | 19,149 | $8.24K | 0.00% | −6,764−26.1% | Reduced |
| Berkley W R Corp | 18,604 | $8.28K | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 19,900 | $8.86K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 21,500 | $9.24K | 0.00% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 22,008 | $9.47K | 0.00% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 25,000 | $10.8K | 0.00% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 25,000 | $10.8K | 0.00% | 00.0% | Unchanged |
| Aristeia Capital LLC | 24,998 | $11.1K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 25,000 | $11.1K | 0.00% | 00.0% | Unchanged |
| RLH Capital LLC | 25,250 | $11.2K | 0.01% | +25,250 | New |
| DLD Asset Management, LP | 27,209 | $11.7K | 0.00% | 00.0% | Unchanged |
| Cable Car Capital LLC | 31,250 | $13.9K | 0.00% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 35,165 | $16.2K | 0.00% | +17,473+98.8% | Added |
| HGC Investment Management Inc. | 50,000 | $21.5K | 0.00% | +50,000 | New |
| Shaolin Capital Management LLC | 56,804 | $24.4K | 0.00% | 00.0% | Unchanged |
| Verition Fund Management LLC | 60,450 | $26.0K | 0.00% | +20,850+52.7% | Added |
| HBK Investments L P | 62,501 | $26.9K | 0.00% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 62,500 | $26.9K | 0.00% | 00.0% | Unchanged |
| Moore Capital Management, LP | 62,500 | $26.9K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 62,500 | $26.9K | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 62,500 | $27.8K | 0.00% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 65,000 | $28.0K | 0.00% | 00.0% | Unchanged |
| Governors Lane LP | 78,927 | $35.1K | 0.00% | 00.0% | Unchanged |
| Linden Advisors LP | 127,524 | $56.8K | 0.00% | 00.0% | Unchanged |
| MMCAP International Inc. SPC | 150,000 | $64.5K | 0.01% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 199,998 | $89.0K | 0.00% | 00.0% | Unchanged |
| Jain Global LLC | 223,575 | $99.5K | 0.00% | 00.0% | Unchanged |
| Harraden Circle Investments, LLC | 469,973 | $209.2K | 0.04% | +40,625+9.5% | Added |
| Meteora Capital, LLC | 550,659 | $236.8K | 0.02% | +2,233+0.4% | Added |
| Boothbay Fund Management, LLC | 13,397 | – | – | +1,375+11.4% | Added |
| Mint Tower Capital Management B.V. | 50,000 | – | – | 00.0% | Unchanged |
| Bank of America Corp | 0 | $0 | 0.00% | −4,287−100.0% | Sold out |
| Galaxy Group Investments LLC | – | – | – | – | Not filed |