ONCH — 1RT ACQUISITION CORP.
As of Q2 2026, 8 SEC-registered investment managers reported holding ONCH (1RT ACQUISITION CORP.) in their latest 13F filings, with a combined reported value of $8.22M across 802.14K shares. That is +5.6% by share count (+42.52K shares) versus the previous quarter, while reported value moved +6.7%. Ownership is concentrated: the five largest holders account for 96.9% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 1 opened new positions, 1 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
ONCH is classified in the Financials sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Millennium Management history | Q2 2026 | 293.20K | $3.01M | 0.00% | Hold |
| Moore Capital Management history | Q2 2026 | 250.00K | $2.56M | 0.04% | Hold |
| Two Sigma Investments history | Q2 2026 | 150.62K | $1.54M | 0.00% | Hold |
| JPMorgan Chase & Co history | Q2 2026 | 53.15K | $545.07K | 0.00% | New |
| D. E. Shaw & Co history | Q2 2026 | 29.95K | $306.71K | 0.00% | Hold |
| Davidson Kempner Capital Management history | Q2 2026 | 25.00K | $256.25K | 0.00% | Hold |
| Citadel Advisors history | Q1 2026 | 10.66K | $108.06K | 0.00% | New |
| UBS Group AG history | Q2 2026 | 149 | $1.53K | 0.00% | Hold |
| Morgan Stanley history | Q2 2026 | 62 | $636 | 0.00% | Reduce |
New Positions (Q2 2026)
- JPMorgan Chase & Co 53.15K sh · $545.07K
Fully Exited (vs previous quarter)
- Citadel Advisors sold 10.66K sh · $108.06K
Fund Position History — shares by quarter (top 9 funds)
| Fund | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|
| Millennium Management | — | 261.95K | 293.16K | 293.20K |
| Moore Capital Management | — | 250.00K | 250.00K | 250.00K |
| Two Sigma Investments | 150.62K | 150.62K | 150.62K | 150.62K |
| JPMorgan Chase & Co | 53.15K | 53.15K | — | 53.15K |
| D. E. Shaw & Co | 10.00K | 10.00K | 29.95K | 29.95K |
| Davidson Kempner Capital Management | 25.00K | 25.00K | 25.00K | 25.00K |
| UBS Group AG | — | — | 149 | 149 |
| Morgan Stanley | — | 46 | 78 | 62 |
| Citadel Advisors | 10.66K | — | 10.66K | — |