1RT AcquisitionONCHU
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 19 institutions reported holding 1RT Acquisition Corp. (ONCHU) in their 13F filings, down 5 from Q4 2025. 1 opened new positions and 4 sold out. The largest holders were Point72 Asset Management ($15.4M), LMR Partners LLP ($7.2M) and Polar Asset Management Partners Inc. ($5.1M). 2 famous investors held it, including Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- 1RT Acquisition Corp.
- CUSIP
- G6757R121
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $125K |
| Exits | 4 | $2.3M |
All 13F filers, Q4 2025 → Q1 2026: 72,064 shares bought and 230,308 shares sold, net −158,244 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 19 holders
| Point72 Asset Management | 0.03% | No change | 1,500,000 | $15.4M |
| LMR Partners LLP | 0.09% | No change | 700,000 | $7.2M |
| Polar Asset Management Partners Inc. | 0.17% | No change | 500,000 | $5.1M |
| Ghisallo Capital Management LLC | 0.07% | No change | 250,000 | $2.6M |
| Citadel Advisors | 0.00% | Reduce -3.9% | 169,701 | $1.7M |
| Clear Street Group Inc. | 0.01% | Add +35.4% | 133,283 | $1.4M |
| Toronto Dominion Bank | 0.00% | No change | 102,438 | $1.1M |
| PEAK6 LLC | 0.02% | No change | 75,000 | $771K |
| Kamunting Street Capital Management, L.P. | 0.34% | No change | 60,000 | $617K |
| OMERS ADMINISTRATION Corp | 0.00% | Add +100.0% | 49,991 | $514K |
| JPMorgan Chase & Co. | 0.00% | No change | 50,000 | $513K |
| HRT Financial LP | 0.00% | Reduce -5.5% | 46,701 | $480K |
| Westchester Capital Management, LLC | 0.02% | No change | 30,820 | $317K |
| Yakira Capital Management, Inc. | 0.07% | Reduce -2.1% | 24,485 | $252K |
| Scoggin Management LP | 0.08% | No change | 20,000 | $206K |
| Parallax Volatility Advisers, L.P. | 0.01% | New | 12,188 | $125K |
| Readystate Asset Management LP | 0.01% | No change | 10,000 | $103K |
| Walleye Capital LLC | 0.00% | No change | 10,000 | $103K |
| UBS Group AG | 0.00% | Add +24.3% | 179 | $2K |
"% of holder's portfolio" is ONCHU's weight in each manager's 13F, not the share of 1RT Acquisition Corp. the manager owns.