1RT Acquisition Corp. Class AONCH

13F holders, Q1 2026 (March 31)
57holders +7
8new positions
2sold out
3famous investors
$10.14avg. 13F price*

At the end of Q1 2026, 57 institutions reported holding 1RT Acquisition Corp. Class A (ONCH) in their 13F filings, up 7 from Q4 2025. 8 opened new positions and 2 sold out. The largest holders were Meteora Capital, LLC ($17.3M), Linden Advisors LP ($10.2M) and Jain Global LLC ($9.0M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
1RT Acquisition Corp. Class A
CUSIP
G6757R105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q3 2025: 36Q3 2025Q4 2025: 50Q4 2025Q1 2026: 57Q1 2026Q2 2026: 58Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions8$5.4M
Exits2$17.9M

All 13F filers, Q4 2025 → Q1 2026: 1,919,347 shares bought and 2,239,192 shares sold, net −319,845 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 57 holders

Meteora Capital, LLC 1.29% Add +10.8% 1,705,014 $17.3M
Linden Advisors LP 0.59% Add +98.0% 1,010,100 $10.2M
Jain Global LLC 0.12% Reduce -0.1% 891,221 $9.0M
Governors Lane LP 0.95% Add +43.5% 750,000 $7.6M
J. Goldman & Co LP 0.33% Reduce -18.8% 700,000 $7.1M
MMCAP International Inc. SPC 0.53% No change 600,000 $6.1M
Saba Capital Management, L.P. 0.17% Reduce -32.3% 524,932 $5.3M
Radcliffe Capital Management, L.P. 0.44% Add +176.7% 385,436 $3.9M
Verition Fund Management LLC 0.04% Add +17.8% 345,235 $3.5M
First Trust Capital Management L.P. 0.16% No change 299,996 $3.0M
Millennium Management 0.00% Add +11.9% 293,160 $3.0M
Whitebox Advisors LLC 0.14% No change 260,000 $2.6M
Context Capital Management, LLC 0.69% No change 250,000 $2.5M
TENOR CAPITAL MANAGEMENT Co., L.P. 0.17% No change 250,000 $2.5M
Moore Capital Management, LP 0.10% No change 250,000 $2.5M
Healthcare of Ontario Pension Plan Trust Fund 0.00% No change 250,000 $2.5M
HBK Investments L P 0.03% No change 249,304 $2.5M
Mint Tower Capital Management B.V. 0.44% No change 200,000 $2.0M
Sona Asset Management (us) LLC 0.09% New 161,200 $1.6M
Shaolin Capital Management LLC 0.18% Reduce -20.7% 158,656 $1.6M
Wolverine Asset Management LLC 0.08% New 154,248 $1.6M
Periscope Capital Inc. 0.28% Add +93.4% 153,962 $1.6M
Two Sigma Investments, LP 0.00% No change 150,624 $1.5M
Cable Car Capital, LP 0.54% No change 125,000 $1.3M
DLD Asset Management, LP 0.33% No change 109,331 $1.1M
K2 Principal Fund, L.P. 0.31% No change 100,000 $1.0M
O'Connor Alternative Investments LLC 0.06% — 100,000 $1.0M
Aristeia Capital, L.L.C. 0.04% No change 100,000 $1.0M
Magnetar Financial LLC 0.01% No change 100,000 $1.0M
Picton Mahoney Asset Management 0.01% No change 100,000 $1.0M
Rivernorth Capital Management, LLC 0.04% No change 88,032 $893K
Virtu Financial LLC 0.03% Reduce -6.4% 75,157 $762K
Glazer Capital, LLC 0.02% New 75,000 $761K
Berkley W R Corp. 0.04% No change 74,416 $755K
AQR Arbitrage LLC 0.01% Reduce -3.7% 73,135 $742K
Mizuho Securities USA LLC 0.01% New 60,253 $609K
Centiva Capital, LP 0.03% Add +500.0% 60,000 $608K
JPMorgan Chase & Co. 0.00% No change 53,152 $539K
RLH Capital LLC 0.26% — 49,959 $507K
Quarry LP 0.10% No change 49,959 $507K
Readystate Asset Management LP 0.05% New 50,000 $507K
Gritstone Asset Management LLC 0.55% No change 49,433 $501K
Boothbay Fund Management, LLC 0.01% No change 46,070 $467K
Clear Street Group Inc. 0.00% Reduce -40.2% 39,032 $396K
D. E. Shaw & Co. 0.00% Add +199.5% 29,947 $304K
BNP Paribas Financial Markets 0.00% Add +12.9% 27,168 $275K
Toronto Dominion Bank 0.00% Add +229.4% 25,036 $254K
Davidson Kempner Capital Management LP 0.01% No change 25,000 $254K
Hudson Bay Capital Management LP 0.00% No change 25,000 $254K
Alberta Investment Management Corp 0.00% No change 25,000 $254K
Schonfeld Strategic Advisors LLC 0.00% New 20,000 $203K
Citadel Advisors 0.00% New 10,657 $108K
TIG Advisors, LLC 0.00% No change 10,000 $102K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% No change 10,000 $102K
PenderFund Capital Management Ltd. 0.02% No change 5,000 $51K
UBS Group AG 0.00% New 149 $2K
Morgan Stanley 0.00% Add +69.6% 78 $791

"% of holder's portfolio" is ONCH's weight in each manager's 13F, not the share of 1RT Acquisition Corp. Class A the manager owns.