Security key
G6757R105
1RT Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (ONCH)
CUSIP: G6757R105
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Class A ordinary shares, par value $0.0001 per share
- Shares outstanding
- 17,157,238
- Total 13F shares
- 11,784,052
- Share change
- -322,953
- Total reported value
- $119,511,071
- Price per share
- $10.14
- Number of holders
- 57
- Value change
- -$3,378,480
- Number of buys
- 19
- Number of sells
- 9
Report period
Q1 2026
Institutions
57
Top holders
10
ONCH full security history
Previous quarter: Q4 2025
1RT Acquisition Corp. SEC filings
1RT Acquisition Corp. company facts
Broader feeds
Reporting periods
Holder history for CUSIP G6757R105
Recent filing periods:
Top shareholders of ONCH - 1RT Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| 1RT Acquisition Sponsor LLC |
3/4/5
13D/G
|
10%+ Owner |
20%
from 13D/G
|
1,500,000
|
— | — | 01 Jul 2025 | |
| METEORA CAPITAL, LLC |
13D/G
13F
|
Company |
9.9%
|
1,705,014
|
$17,476,394 | $0 | 31 Mar 2026 | |
| Point72 Asset Management, L.P. |
13F
13D/G
|
Company |
8.7%
from 13D/G
|
1,500,000
|
$15,600,000 | — | 31 Dec 2025 | |
| RP Investment Advisors LP |
13D/G
|
— |
6.3%
|
1,080,906
|
$10,960,387 | +$2,184,217 | 31 Mar 2026 | |
| Linden Capital L.P. |
13D/G
|
Linden Advisors LP |
5.9%
|
1,010,100
|
$10,303,020 | $0 | 05 Mar 2026 | |
| Jain Global LLC |
13D/G
13F
|
Company |
5.2%
|
894,303
|
$9,345,466 | $0 | 30 Sep 2025 | |
| J. Goldman & Co LP |
13D/G
13F
|
Company |
5%
|
862,500
|
$8,797,500 | -$2,199,375 | 31 Dec 2025 | |
| LMR Partners LLP |
13F
|
Company |
4.1%
|
700,000
|
$7,280,000 | — | 31 Dec 2025 | |
| Polar Asset Management Partners Inc. |
13F
|
Company |
2.9%
|
500,000
|
$5,200,000 | — | 31 Dec 2025 | |
| First Trust Capital Management L.P. |
13F
|
Company |
1.7%
|
299,996
|
$3,059,959 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
1.5%
|
261,952
|
$2,671,910 | — | 31 Dec 2025 | |
| ExodusPoint Capital Management, LP |
13F
|
Company |
1.5%
|
250,000
|
$2,550,000 | — | 31 Dec 2025 | |
| Ghisallo Capital Management LLC |
13F
|
Company |
1.4%
|
250,000
|
$2,600,000 | — | 31 Dec 2025 | |
| HGC Investment Management Inc. |
13F
|
Company |
1.2%
|
200,000
|
$2,080,000 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
1%
|
176,630
|
$1,829,886 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.88%
|
150,624
|
$1,536,365 | — | 31 Dec 2025 | |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) |
13F
|
Company |
0.58%
|
100,000
|
$1,020,000 | — | 31 Dec 2025 | |
| Virtu Financial LLC |
13F
|
Company |
0.47%
|
80,288
|
$819,000 | — | 31 Dec 2025 | |
| PEAK6 LLC |
13F
|
Company |
0.43%
|
75,000
|
$780,000 | — | 31 Dec 2025 | |
| Kamunting Street Capital Management, L.P. |
13F
|
Company |
0.35%
|
60,000
|
$624,000 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.29%
|
49,398
|
$513,000 | — | 31 Dec 2025 | |
| Westchester Capital Management, LLC |
13F
|
Company |
0.18%
|
30,820
|
$319,295 | — | 31 Dec 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.15%
|
25,000
|
$255,000 | — | 31 Dec 2025 | |
| Yakira Capital Management, Inc. |
13F
|
Company |
0.14%
|
25,000
|
$260,001 | — | 31 Dec 2025 | |
| OMERS ADMINISTRATION Corp |
13F
|
Company |
0.14%
|
25,000
|
$259,000 | — | 31 Dec 2025 | |
| SCOGGIN MANAGEMENT LP |
13F
|
Company |
0.12%
|
20,000
|
$208,000 | — | 31 Dec 2025 | |
| KRYGER CAPITAL Ltd |
13F
|
Company |
0.06%
|
10,134
|
$105,394 | — | 31 Dec 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.06%
|
10,000
|
$102,000 | — | 31 Dec 2025 | |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS |
13F
|
Company |
0.06%
|
10,000
|
$102,000 | — | 31 Dec 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.06%
|
10,000
|
$102,000 | — | 31 Dec 2025 | |
| TIG Advisors, LLC |
13F
|
Company |
0.06%
|
10,000
|
$102,000 | — | 31 Dec 2025 | |
| READYSTATE ASSET MANAGEMENT LP |
13F
|
Company |
0.06%
|
10,000
|
$104,000 | — | 31 Dec 2025 | |
| Sandia Investment Management LP |
13F
|
Company |
0.06%
|
10,000
|
$104,000 | — | 31 Dec 2025 | |
| SYQUANT CAPITAL SAS |
13F
|
Company |
0.06%
|
10,000
|
$104,000 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.06%
|
10,000
|
$104,000 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0%
|
167
|
$2,000 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
144
|
$1,498 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0%
|
46
|
$469 | — | 31 Dec 2025 | |
| Daniel M. Tapiero |
3/4/5
|
Chief Executive Officer, Director, 10%+ Owner |
—
class O/S missing
|
1,500,000
|
— | — | 01 Jul 2025 | |
| Harraden Circle Investments, LLC |
13F
|
Company |
—
mixed-class rows
|
1,929,540
mixed-class rows
|
$15,551,023 | — | 31 Dec 2025 | |
| Saba Capital Management, L.P. |
13F
|
Company |
—
mixed-class rows
|
974,930
mixed-class rows
|
$8,042,295 | — | 31 Dec 2025 | |
| MMCAP International Inc. SPC |
13F
|
Company |
—
mixed-class rows
|
750,000
mixed-class rows
|
$6,207,015 | — | 31 Dec 2025 | |
| Governors Lane LP |
13F
|
Company |
—
mixed-class rows
|
601,590
mixed-class rows
|
$5,376,949 | — | 31 Dec 2025 | |
| LINDEN ADVISORS LP |
13F
|
Company |
—
mixed-class rows
|
637,624
mixed-class rows
|
$5,290,999 | — | 31 Dec 2025 | |
| Verition Fund Management LLC |
13F
|
Company |
—
mixed-class rows
|
332,569
mixed-class rows
|
$3,011,256 | — | 31 Dec 2025 | |
| WHITEBOX ADVISORS LLC |
13F
|
Company |
—
mixed-class rows
|
325,000
mixed-class rows
|
$2,689,707 | — | 31 Dec 2025 | |
| Context Capital Management, LLC |
13F
|
Company |
—
mixed-class rows
|
312,500
mixed-class rows
|
$2,586,256 | — | 31 Dec 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
—
mixed-class rows
|
312,500
mixed-class rows
|
$2,586,256 | — | 31 Dec 2025 | |
| MOORE CAPITAL MANAGEMENT, LP |
13F
|
Company |
—
mixed-class rows
|
312,500
mixed-class rows
|
$2,586,256 | — | 31 Dec 2025 | |
| TENOR CAPITAL MANAGEMENT Co., L.P. |
13F
|
Company |
—
mixed-class rows
|
312,500
mixed-class rows
|
$2,586,256 | — | 31 Dec 2025 |
Institutional Holders of 1RT Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (ONCH) as of Q1 2026
As of 31 Mar 2026,
1RT Acquisition Corp. - Class A ordinary shares, par value $0.0001 per share (ONCH) was held by
57 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
11,784,052 shares.
The largest 10 holders included
METEORA CAPITAL, LLC, Linden Advisors LP, Jain Global LLC, Governors Lane LP, J. Goldman & Co LP, MMCAP International Inc. SPC, Saba Capital Management, L.P., Radcliffe Capital Management, L.P., Verition Fund Management LLC, and First Trust Capital Management L.P..
This page lists
57
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
50
Q1 2026 holders
57
Holder diff
7
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.