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, Q2 2026
Institutional positions in 1RT Acquisition Corp. as of Jun 30, 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
- 58
- +1 vs. Q1 2026
- Shares held
- 12.6M
- +775.7K (+6.6%) vs. Q1 2026
- Total value
- $128.7M
- +$9.19M (+7.7%) vs. Q1 2026
- New holders
- 2
- 10 more added
- Sold out
- 1
- 9 more reduced
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding 1RT Acquisition Corp.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Morgan Stanley | 62 | $636 | 0.00% | −16−20.5% | Reduced |
| UBS Group AG | 149 | $1.53K | 0.00% | 00.0% | Unchanged |
| PenderFund Capital Management Ltd. | 7,000 | $71.7K | 0.01% | +2,000+40.0% | Added |
| TIG Advisors, LLC | 10,000 | $102.5K | 0.00% | 00.0% | Unchanged |
| Bulldog Investors, LLP | 10,000 | $102.5K | 0.02% | +10,000 | New |
| Toronto Dominion Bank | 15,035 | $154.0K | 0.00% | −10,001−39.9% | Reduced |
| Virtu Financial LLC | 18,480 | $189.0K | 0.01% | −56,677−75.4% | Reduced |
| Hudson Bay Capital Management LP | 25,000 | $256.0K | 0.00% | 00.0% | Unchanged |
| Alberta Investment Management Corp | 25,000 | $256.0K | 0.00% | 00.0% | Unchanged |
| Davidson Kempner Capital Management LP | 25,000 | $256.3K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 27,168 | $278.2K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 29,952 | $306.7K | 0.00% | +50.0% | Added |
| Mizuho Securities USA LLC | 37,228 | $376.0K | 0.01% | −23,025−38.2% | Reduced |
| Boothbay Fund Management, LLC | 41,070 | $421.0K | 0.01% | −5,000−10.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 47,737 | $489.3K | 0.00% | +37,737+377.4% | Added |
| Gritstone Asset Management LLC | 49,433 | $506.7K | 0.49% | 00.0% | Unchanged |
| Readystate Asset Management LP | 50,000 | $512.0K | 0.02% | 00.0% | Unchanged |
| Quarry LP | 49,959 | $512.1K | 0.08% | 00.0% | Unchanged |
| RLH Capital LLC | 49,959 | $512.1K | 0.25% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 53,152 | $545.1K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 60,000 | $614.4K | 0.02% | 00.0% | Unchanged |
| CNH Partners LLC | 73,535 | $753.0K | 0.01% | +400+0.5% | Added |
| Berkley W R Corp | 74,416 | $762.0K | 0.04% | 00.0% | Unchanged |
| Rivernorth Capital Management, LLC | 88,032 | $905.0K | 0.04% | 00.0% | Unchanged |
| Magnetar Financial LLC | 100,000 | $1.02M | 0.01% | 00.0% | Unchanged |
| O'Connor Alternative Investments LLC | 100,000 | $1.02M | 0.07% | 00.0% | Unchanged |
| Aristeia Capital LLC | 100,000 | $1.02M | 0.02% | 00.0% | Unchanged |
| K2 Principal Fund, L.P. | 100,000 | $1.02M | 0.09% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 100,000 | $1.02M | 0.01% | 00.0% | Unchanged |
| DLD Asset Management, LP | 109,331 | $1.12M | 0.09% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 110,107 | $1.13M | 0.01% | +90,107+450.5% | Added |
| Shaolin Capital Management LLC | 119,699 | $1.23M | 0.07% | −38,957−24.6% | Reduced |
| Wolverine Asset Management LLC | 120,518 | $1.24M | 0.02% | −33,730−21.9% | Reduced |
| Cable Car Capital LLC | 125,000 | $1.28M | 0.03% | 00.0% | Unchanged |
| Clear Street Group Inc. | 145,412 | $1.49M | 0.00% | +106,380+272.5% | Added |
| Two Sigma Investments, LP | 150,624 | $1.54M | 0.00% | 00.0% | Unchanged |
| Periscope Capital Inc. | 153,962 | $1.58M | 0.25% | 00.0% | Unchanged |
| Sona Asset Management (US) LLC | 161,200 | $1.65M | 0.06% | 00.0% | Unchanged |
| Glazer Capital, LLC | 163,000 | $1.67M | 0.04% | +88,000+117.3% | Added |
| Mint Tower Capital Management B.V. | 200,000 | $2.05M | 0.24% | 00.0% | Unchanged |
| HBK Investments L P | 249,304 | $2.56M | 0.03% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 250,000 | $2.56M | 0.00% | 00.0% | Unchanged |
| Context Capital Management, LLC | 250,000 | $2.56M | 0.05% | 00.0% | Unchanged |
| Tenor Capital Management Co., L.P. | 250,000 | $2.56M | 0.04% | 00.0% | Unchanged |
| Moore Capital Management, LP | 250,000 | $2.56M | 0.06% | 00.0% | Unchanged |
| Whitebox Advisors LLC | 260,000 | $2.67M | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 293,200 | $3.01M | 0.00% | +400.0% | Added |
| Vivaldi Asset Management, LLC | 299,996 | $3.07M | 0.18% | 00.0% | Unchanged |
| Saba Capital Management, L.P. | 424,932 | $4.36M | 0.13% | −100,000−19.1% | Reduced |
| Radcliffe Capital Management, L.P. | 425,732 | $4.36M | 0.33% | +40,296+10.5% | Added |
| Polar Asset Management Partners Inc. | 500,000 | $5.13M | 0.09% | +500,000 | New |
| Verition Fund Management LLC | 529,358 | $5.42M | 0.04% | +184,123+53.3% | Added |
| MMCAP International Inc. SPC | 600,000 | $6.15M | 0.52% | 00.0% | Unchanged |
| J. Goldman & Co LP | 700,000 | $7.17M | 0.25% | 00.0% | Unchanged |
| Governors Lane LP | 750,000 | $7.69M | 0.77% | 00.0% | Unchanged |
| Jain Global LLC | 891,221 | $9.13M | 0.11% | 00.0% | Unchanged |
| Linden Advisors LP | 1,010,100 | $10.3M | 0.05% | 00.0% | Unchanged |
| Meteora Capital, LLC | 1,699,693 | $17.4M | 1.45% | −5,321−0.3% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −10,657−100.0% | Sold out |