1RT Acquisition Corp.

ONCH

Exchange: Nasdaq
Industry: Blank Checks
SEC CIK: 0002054272

SEC filings (opens in a new tab)

No open-market purchases or sales by 1RT Acquisition Corp. insiders were filed in the last 90 days; 58 institutions reported holding it in 13F filings for Q2 2026, worth $128.7M in total; no superinvestor holds it.

Other share classesONCHU ONCHW

Q3 2025 vs. Q2 2025

How the institutions holding 1RT Acquisition Corp. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of ONCH: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Q3 2025	Change
Holders	0	36	+36
Shares	0	8.62M	+8.62M
Value	$0	$90.1M	+$90.1M

New holders (36)

Institutions that held 1RT Acquisition Corp. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to ONCH in Q3 2025
Institution	Shares	Value	% of portfolio
Harraden Circle Investments, LLC	1,500,192	$15.7M	3.08%
Meteora Capital, LLC	1,452,022	$15.2M	1.61%
J. Goldman & Co LP	862,500	$9.01M	0.34%
Saba Capital Management, L.P.	774,932	$8.10M	0.27%
Linden Advisors LP	510,100	$5.33M	0.04%
Governors Lane LP	458,555	$4.79M	0.66%
Vivaldi Asset Management, LLC	299,996	$3.13M	0.20%
Whitebox Advisors LLC	260,000	$2.72M	0.05%
Verition Fund Management LLC	255,830	$2.67M	0.02%
Context Capital Management, LLC	250,000	$2.61M	0.08%
Tenor Capital Management Co., L.P.	250,000	$2.61M	0.03%
ExodusPoint Capital Management, LP	250,000	$2.61M	0.04%
HBK Investments L P	249,304	$2.61M	0.04%
Two Sigma Investments, LP	150,624	$1.57M	0.00%
Aristeia Capital LLC	100,000	$1.04M	0.03%
UBS Oconnor LLC	100,000	$1.04M	0.03%
K2 Principal Fund, L.P.	100,000	$1.04M	0.11%
Picton Mahoney Asset Management	100,000	$1.04M	0.01%
Shaolin Capital Management LLC	79,759	$833.5K	0.04%
Periscope Capital Inc.	79,600	$831.8K	0.20%
CNH Partners LLC	75,932	$793.5K	0.02%
Berkley W R Corp	74,416	$777.6K	0.05%
Radcliffe Capital Management, L.P.	61,223	$639.8K	0.04%
JPMorgan Chase & Co	53,152	$555.4K	0.00%
Gritstone Asset Management LLC	49,433	$516.6K	0.53%
Rivernorth Capital Management, LLC	44,016	$460.0K	0.03%
Boothbay Fund Management, LLC	42,933	$448.6K	0.01%
Hudson Bay Capital Management LP	25,000	$261.3K	0.00%
Davidson Kempner Capital Management LP	25,000	$261.3K	0.00%
BNP Paribas Arbitrage, SA	24,060	$251.4K	0.00%
Clear Street Group Inc.	13,560	$141.7K	0.00%
Citadel Advisors LLC	10,658	$111.4K	0.00%
D. E. Shaw & Co., Inc.	10,000	$104.5K	0.00%
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	10,000	$104.5K	0.00%
Centiva Capital, LP	10,000	$104.5K	0.01%
Toronto Dominion Bank	4,900	$51.2K	0.00%

Sold out (0)

Institutions that held 1RT Acquisition Corp. at the end of Q2 2025 and filed for Q3 2025 without it.

None.