1RT Acquisition Corp.
ONCHU- 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; 17 institutions reported holding it in 13F filings for Q2 2026, worth $32.7M 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
- 19
- −3 vs. Q4 2025
- Shares held
- 3.74M
- −158.2K (−4.1%) vs. Q4 2025
- Total value
- $38.5M
- −$2.08M (−5.1%) vs. Q4 2025
- New holders
- 1
- 3 more added
- Sold out
- 4
- 3 more reduced
2 institutions 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 ONCHU 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 | 17 | $32.7M |
| Q1 2026 | 19 | $38.5M |
| Q4 2025 | 24 | $40.8M |
| Q3 2025 | 44 | $75.2M |
| 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 | 179 | $1.84K | 0.00% | +35+24.3% | Added |
| Walleye Capital LLC | 10,000 | $102.8K | 0.00% | 00.0% | Unchanged |
| Readystate Asset Management LP | 10,000 | $102.8K | 0.01% | 00.0% | Unchanged |
| Parallax Volatility Advisers, L.P. | 12,188 | $125.4K | 0.01% | +12,188 | New |
| Scoggin Management LP | 20,000 | $205.6K | 0.08% | 00.0% | Unchanged |
| Yakira Capital Management, Inc. | 24,485 | $251.7K | 0.07% | −515−2.1% | Reduced |
| Westchester Capital Management, LLC | 30,820 | $316.8K | 0.02% | 00.0% | Unchanged |
| HRT Financial LP | 46,701 | $480.0K | 0.00% | −2,697−5.5% | Reduced |
| JPMorgan Chase & Co | 50,000 | $512.5K | 0.00% | 00.0% | Unchanged |
| Omers Administration Corp | 49,991 | $513.9K | 0.00% | +24,991+100.0% | Added |
| Kamunting Street Capital Management, L.P. | 60,000 | $617.0K | 0.34% | 00.0% | Unchanged |
| PEAK6 LLC | 75,000 | $771.0K | 0.02% | 00.0% | Unchanged |
| Toronto Dominion Bank | 102,438 | $1.05M | 0.00% | 00.0% | Unchanged |
| Clear Street Group Inc. | 133,283 | $1.37M | 0.01% | +34,850+35.4% | Added |
| Citadel Advisors LLC | 169,701 | $1.74M | 0.00% | −6,929−3.9% | Reduced |
| Ghisallo Capital Management LLC | 250,000 | $2.57M | 0.07% | 00.0% | Unchanged |
| Polar Asset Management Partners Inc. | 500,000 | $5.14M | 0.12% | 00.0% | Unchanged |
| LMR Partners LLP | 700,000 | $7.20M | 0.07% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 1,500,000 | $15.4M | 0.03% | 00.0% | Unchanged |
| HGC Investment Management Inc. | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| Syquant Capital SAS | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −167−100.0% | Sold out |
| Omni Event Management Ltd | – | – | – | – | Not filed |
| Sandia Investment Management LP | – | – | – | – | Not filed |