Latest Period
Q1 2026
Security Snapshot
1RT Acquisition Corp. - Class A common stock (ONCHU) Institutional Ownership
CUSIP: G6757R121
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
19
Shares (Excl. Options)
3,744,786
Price
$10.28
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- Security type / class
- Equity / Class A common stock
- Symbol
- ONCHU on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 3,744,786
- Total 13F value
- $38,496,038
- Portfolio coverage rank
- 0%
- Share change
- -158,244
- Value change
- -$1,653,285
- Number of holders
- 19
- Shares outstanding
- 17,257,227
- SEC-reported price per share
- $10.30
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ONCHU - 1RT Acquisition Corp. - Class A common stock is tracked under CUSIP G6757R121.
- 19 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 24 to 19 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $40,789,132 to $38,496,038.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 19 institutions filings for Q1 2026.
Security key
G6757R121
Latest holder period
Q1 2026
13F holders
19
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
ONCHU full holder history
1RT Acquisition Corp. SEC filings
1RT Acquisition Corp. company facts
1RT Acquisition Corp. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G6757R121:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
ONCHU
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| METEORA CAPITAL, LLC | 9.9% | $17,476,394 | 1,705,014 | Meteora Capital, LLC | 31 Mar 2026 | |||
| Point72 Asset Management, L.P. | 8.7% | 1,500,000 | Point72 Asset Management, L.P. | 03 Jul 2025 |
As of 31 Mar 2026, 19 institutional investors reported holding 3,744,786 shares of 1RT Acquisition Corp. - Class A common stock (ONCHU). This represents 22% of the company’s total 17,257,227 outstanding shares.
13F concentration
Top 23 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
22%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Point72 Asset Management, L.P. | 8.7% | 1,500,000 | 0% | 0.03% | $15,420,450 |
| LMR Partners LLP | 4.1% | 700,000 | 0% | 0.07% | $7,196,210 |
| Polar Asset Management Partners Inc. | 2.9% | 500,000 | 0% | 0.12% | $5,140,150 |
| Ghisallo Capital Management LLC | 1.4% | 250,000 | 0% | 0.07% | $2,570,000 |
| CITADEL ADVISORS LLC | 0.98% | 169,701 | -3.9% | 0% | $1,744,526 |
| Clear Street Group Inc. | 0.77% | 133,283 | +35% | 0.01% | $1,370,189 |
| TORONTO DOMINION BANK | 0.59% | 102,438 | 0% | 0% | $1,053,063 |
| PEAK6 LLC | 0.43% | 75,000 | 0% | 0.02% | $771,023 |
| Kamunting Street Capital Management, L.P. | 0.35% | 60,000 | 0% | 0.34% | $617,000 |
| JPMORGAN CHASE & CO | 0.29% | 50,000 | 0% | 0% | $512,500 |
| OMERS ADMINISTRATION Corp | 0.29% | 49,991 | +100% | 0% | $513,922 |
| HRT FINANCIAL LP | 0.27% | 46,701 | -5.5% | 0% | $480,000 |
| Westchester Capital Management, LLC | 0.18% | 30,820 | 0% | 0.02% | $316,830 |
| Yakira Capital Management, Inc. | 0.14% | 24,485 | -2.1% | 0.07% | $251,713 |
| SCOGGIN MANAGEMENT LP | 0.12% | 20,000 | 0% | 0.08% | $205,606 |
| Parallax Volatility Advisers, L.P. | 0.07% | 12,188 | 0.01% | $125,416 | |
| Walleye Capital LLC | 0.06% | 10,000 | 0% | 0% | $102,800 |
| READYSTATE ASSET MANAGEMENT LP | 0.06% | 10,000 | 0% | 0.01% | $102,800 |
| UBS Group AG | 0% | 179 | +24% | 0% | $1,840 |
| ROYAL BANK OF CANADA | 0% | 0 | -100% | $0 | |
| Quarry LP | 0% | 0 | -100% | $0 | |
| HGC Investment Management Inc. | 0% | 0 | -100% | $0 | |
| SYQUANT CAPITAL SAS | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q1 2026
Rows shown
1-3 of 3