1RT Acquisition Corp. - Class A Common Stock (ONCHU) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2025 to Q4 2025

Type / Class
Equity / Class A Common Stock
Symbol
ONCHU on Nasdaq
Shares outstanding
15,014,014
Price per share
$10.40
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
3,923,164
Total reported value
$40,789,132
% of total 13F portfolios
0%
Share change
-3,159,864
Value change
-$33,261,312
Number of holders
24
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of 1RT Acquisition Corp. - Class A Common Stock (ONCHU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Point72 Asset Management, L.P. 8.7% 1,500,000 Point72 Asset Management, L.P. 03 Jul 2025
Harraden Circle Investments, LLC 10% 1,499,900 Harraden Circle Investments, LLC 02 Jul 2025

As of 31 Dec 2025, 24 institutional investors reported holding 3,923,164 shares of 1RT Acquisition Corp. - Class A Common Stock (ONCHU). This represents 26% of the company’s total 15,014,014 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of 1RT Acquisition Corp. - Class A Common Stock (ONCHU) together control 26% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Point72 Asset Management, L.P. 10% 1,500,000 0% 0.02% $15,600,000
LMR Partners LLP 4.7% 700,000 0% 0.07% $7,280,000
Polar Asset Management Partners Inc. 3.3% 500,000 0% 0.1% $5,200,000
Ghisallo Capital Management LLC 1.7% 250,000 0% 0.12% $2,600,000
HGC Investment Management Inc. 1.3% 200,000 0% 0.44% $2,080,000
CITADEL ADVISORS LLC 1.2% 176,630 -12% 0% $1,829,886
TORONTO DOMINION BANK 0.68% 102,438 +28% 0% $1,065,355
Clear Street Group Inc. 0.66% 98,433 +37% 0.01% $1,023,703
PEAK6 LLC 0.5% 75,000 0% 0.02% $780,000
Kamunting Street Capital Management, L.P. 0.4% 60,000 0.43% $624,000
JPMORGAN CHASE & CO 0.33% 50,000 0% 0% $518,000
HRT FINANCIAL LP 0.33% 49,398 -7% 0% $513,000
Westchester Capital Management, LLC 0.21% 30,820 0% 0.02% $319,295
Yakira Capital Management, Inc. 0.17% 25,000 0% 0.09% $260,001
OMERS ADMINISTRATION Corp 0.17% 25,000 0% 0% $259,000
SCOGGIN MANAGEMENT LP 0.13% 20,000 -20% 0.08% $208,000
KRYGER CAPITAL Ltd 0.07% 10,134 0.01% $105,394
Quarry LP 0.07% 10,000 -84% 0.03% $104,000
READYSTATE ASSET MANAGEMENT LP 0.07% 10,000 0% 0% $104,000
Sandia Investment Management LP 0.07% 10,000 0% 0.26% $104,000
SYQUANT CAPITAL SAS 0.07% 10,000 0% 0.01% $104,000
Walleye Capital LLC 0.07% 10,000 0% 0% $104,000
ROYAL BANK OF CANADA 0% 167 0% 0% $2,000
UBS Group AG 0% 144 0% $1,498
Alberta Investment Management Corp 0% 0 -100% $0

Institutional Holders of 1RT Acquisition Corp. - Class A Common Stock (ONCHU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 3,923,164 $40,789,132 -$33,261,312 $10.40 24
2025 Q3 7,093,028 $74,713,711 +$73,956,210 $10.55 43