1RT Acquisition Corp.
ONCH- 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; 58 institutions reported holding it in 13F filings for Q2 2026, worth $128.7M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in 1RT Acquisition Corp. as of Dec 31, 2025. 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
- 50
- +14 vs. Q3 2025
- Shares held
- 12.1M
- +3.44M (+39.9%) vs. Q3 2025
- Total value
- $123.0M
- +$32.9M (+36.5%) vs. Q3 2025
- New holders
- 15
- 9 more added
- Sold out
- 1
- 0 more reduced
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ONCH 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 | 58 | $128.7M |
| Q1 2026 | 57 | $119.5M |
| Q4 2025 | 50 | $123.0M |
| Q3 2025 | 36 | $90.1M |
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding 1RT Acquisition Corp.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 46 | $469 | 0.00% | +46 | New |
| PenderFund Capital Management Ltd. | 5,000 | $51.0K | 0.01% | +5,000 | New |
| Toronto Dominion Bank | 7,600 | $77.5K | 0.00% | +2,700+55.1% | Added |
| D. E. Shaw & Co., Inc. | 10,000 | $102.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,000 | $102.0K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 10,000 | $102.0K | 0.01% | 00.0% | Unchanged |
| TIG Advisors, LLC | 10,000 | $102.0K | 0.00% | +10,000 | New |
| BNP Paribas Arbitrage, SA | 24,060 | $245.4K | 0.00% | 00.0% | Unchanged |
| Hudson Bay Capital Management LP | 25,000 | $255.0K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 25,000 | $255.0K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 25,000 | $255.0K | 0.00% | +25,000 | New |
| Boothbay Fund Management, LLC | 46,070 | $469.9K | 0.01% | +3,137+7.3% | Added |
| Gritstone Asset Management LLC | 49,433 | $504.2K | 0.48% | 00.0% | Unchanged |
| Quarry LP | 49,959 | $509.6K | 0.08% | +49,959 | New |
| JPMorgan Chase & Co | 53,152 | $542.1K | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 65,260 | $665.7K | 0.00% | +51,700+381.3% | Added |
| Berkley W R Corp | 74,416 | $759.0K | 0.04% | 00.0% | Unchanged |
| CNH Partners LLC | 75,932 | $774.5K | 0.02% | 00.0% | Unchanged |
| Periscope Capital Inc. | 79,600 | $811.9K | 0.16% | 00.0% | Unchanged |
| Virtu Financial LLC | 80,288 | $819.0K | 0.03% | +80,288 | New |
| Rivernorth Capital Management, LLC | 88,032 | $897.9K | 0.04% | +44,016+100.0% | Added |
| Aristeia Capital LLC | 100,000 | $1.02M | 0.03% | 00.0% | Unchanged |
| UBS Oconnor LLC | 100,000 | $1.02M | 0.03% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 100,000 | $1.02M | 0.11% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 100,000 | $1.02M | 0.01% | 00.0% | Unchanged |
| Magnetar Financial LLC | 100,000 | $1.02M | 0.01% | +100,000 | New |
| DLD Asset Management, LP | 109,331 | $1.12M | 0.12% | +109,331 | New |
| Cable Car Capital LLC | 125,000 | $1.27M | 0.08% | +125,000 | New |
| Radcliffe Capital Management, L.P. | 139,292 | $1.42M | 0.08% | +78,069+127.5% | Added |
| Two Sigma Investments, LP | 150,624 | $1.54M | 0.00% | 00.0% | Unchanged |
| Shaolin Capital Management LLC | 200,000 | $2.04M | 0.08% | +120,241+150.8% | Added |
| Mint Tower Capital Management B.V. | 200,000 | $2.04M | 0.26% | +200,000 | New |
| HBK Investments L P | 249,304 | $2.54M | 0.03% | 00.0% | Unchanged |
| Context Capital Management, LLC | 250,000 | $2.55M | 0.07% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 250,000 | $2.55M | 0.04% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 250,000 | $2.55M | 0.03% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.55M | 0.05% | +250,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 250,000 | $2.55M | 0.00% | +250,000 | New |
| Whitebox Advisors LLC | 260,000 | $2.65M | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 261,952 | $2.67M | 0.00% | +261,952 | New |
| Verition Fund Management LLC | 292,969 | $2.99M | 0.02% | +37,139+14.5% | Added |
| Vivaldi Asset Management, LLC | 299,996 | $3.06M | 0.19% | 00.0% | Unchanged |
| Linden Advisors LP | 510,100 | $5.20M | 0.03% | 00.0% | Unchanged |
| Governors Lane LP | 522,663 | $5.33M | 0.49% | +64,108+14.0% | Added |
| MMCAP International Inc. SPC | 600,000 | $6.12M | 0.61% | +600,000 | New |
| Saba Capital Management, L.P. | 774,932 | $7.90M | 0.27% | 00.0% | Unchanged |
| J. Goldman & Co LP | 862,500 | $8.80M | 0.34% | 00.0% | Unchanged |
| Jain Global LLC | 892,221 | $9.10M | 0.09% | +892,221 | New |
| Harraden Circle Investments, LLC | 1,500,192 | $15.3M | 2.80% | 00.0% | Unchanged |
| Meteora Capital, LLC | 1,539,014 | $15.7M | 1.31% | +86,992+6.0% | Added |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,658−100.0% | Sold out |