13F reference period
Q2 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 Q2 2026
Institutions Reporting
17
Shares (Excl. Options)
3.16M
Full value: 3,156,152 · shares · 30 Jun 2026Price
$10.34
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / Class A common stock
- Symbol
- ONCHU on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 3,156,152
- Total 13F value
- $32,666,474
- Portfolio coverage rank
- 0%
- Share change
- -588,634
- Value change
- -$6,054,007
- Number of holders
- 17
- Shares outstanding
- 17,257,227
- SEC-reported price per share
- $10.41
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
Filing notes and source
Key facts
- ONCHU - 1RT Acquisition Corp. - Class A common stock is tracked under CUSIP G6757R121.
- 17 institutions reported positions in Q2 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 19 to 17 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$38.5M
Full value: $38,496,038 · USD · 31 Mar 2026.$32.67M
Full value: $32,666,474 · USD · 30 Jun 2026
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 17 institutions filings for Q2 2026.
Security key
G6757R121
13F reference period
Q2 2026
13F holders
17
13D/G owners
2
CIK / CUSIP context first
Open Q2 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 30 Jun 2026,
17
institutional investors reported holding
shares of
1RT Acquisition Corp. - Class A common stock (ONCHU).
This represents
18%
of the company’s total
outstanding shares.
3.16M
Full value: 3,156,152 · shares · 30 Jun 202617.26M
Full value: 17,257,227 · shares · Stored outstanding share count13F concentration
Top 20 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
18%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Point72 Asset Management, L.P. | 8.7% | 1,500,000 | 0% | 0.02% | $15,510,000 |
| LMR Partners LLP | 4.1% | 700,000 | 0% | 0.05% | $7,238,000 |
| Ghisallo Capital Management LLC | 1.4% | 250,000 | 0% | 0.05% | $2,600,000 |
| CITADEL ADVISORS LLC | 1% | 172,678 | +1.8% | 0% | $1,795,851 |
| TORONTO DOMINION BANK | 0.59% | 102,438 | 0% | 0% | $1,059,209 |
| PEAK6 LLC | 0.43% | 75,000 | 0% | 0.02% | $775,500 |
| Kamunting Street Capital Management, L.P. | 0.35% | 60,000 | 0% | 0.35% | $620,000 |
| JPMORGAN CHASE & CO | 0.29% | 50,000 | 0% | 0% | $517,000 |
| OMERS ADMINISTRATION Corp | 0.29% | 49,991 | 0% | 0% | $516,907 |
| HRT FINANCIAL LP | 0.28% | 48,842 | +4.6% | 0% | $507,000 |
| Clear Street Group Inc. | 0.24% | 40,583 | -70% | 0% | $419,628 |
| Westchester Capital Management, LLC | 0.18% | 30,820 | 0% | 0.02% | $320,528 |
| Yakira Capital Management, Inc. | 0.14% | 24,485 | 0% | 0.07% | $253,175 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.11% | 19,128 | 0% | $198,931 | |
| Parallax Volatility Advisers, L.P. | 0.07% | 12,187 | -0.01% | 0.01% | $126,745 |
| Walleye Capital LLC | 0.06% | 10,000 | 0% | 0% | $104,000 |
| READYSTATE ASSET MANAGEMENT LP | 0.06% | 10,000 | 0% | 0% | $104,000 |
| SCOGGIN MANAGEMENT LP | 0% | 0 | -100% | $0 | |
| UBS Group AG | 0% | 0 | -100% | $0 | |
| Polar Asset Management Partners Inc. | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
4
Headline period
Q2 2026
Rows shown
1-4 of 4
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 3,156,152 | $32,666,474 | -$6,054,007 | $10.34 | 17 |
| 2026 Q1 | 3,744,786 | $38,496,038 | -$1,653,285 | $10.28 | 19 |
| 2025 Q4 | 3,923,164 | $40,789,132 | -$33,788,812 | $10.40 | 24 |
| 2025 Q3 | 7,143,028 | $75,241,211 | +$74,483,710 | $10.55 | 44 |