Gritstone Asset Management’s 1RT Acquisition Corp ONCH Stock Holding History

Gritstone Asset Management’s Portfolio ONCH Stock Details ONCH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$507K	Hold	49,433	–	–	0.49%	72
2026 Q1	$501K	Hold	49,433	–	–	0.54%	67
2025 Q4	$504K	Hold	49,433	–	–	0.48%	59
2025 Q3	$517K	Buy	+49,433	New	+$508K	0.53%	52

Other funds holding ONCH

CCM

Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return

KPF

K2 Principal Fund Toronto, Ontario, Canada $1.36B AUM 25.57% 1-Year Est. Return

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

MSU

Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return

AIMCA

Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.57% 1-Year Est. Return

Gritstone Asset Management's ONCH Position: Q2 2026 in Review

Gritstone Asset Management held its 1RT Acquisition Corp (ONCH) position steady in Q2 2026 at 49,433 shares worth $507K. The position accounts for 0.49% of the portfolio, ranked #72.

Gritstone Asset Management first reported a position in ONCH in Q3 2025 and has held it in 4 quarters since. The position peaked at $517K in Q3 2025. 6 funds tracked by Wall St. Rank hold ONCH as of Q2 2026.

Gritstone Asset Management held 49,433 shares of 1RT Acquisition Corp worth $507K as of Q2 2026.
Gritstone Asset Management left its 1RT Acquisition Corp share count unchanged in Q2 2026.
1RT Acquisition Corp made up 0.49% of Gritstone Asset Management's portfolio in Q2 2026, its #72 holding.
Gritstone Asset Management first reported a position in 1RT Acquisition Corp in Q3 2025 and has held it in 4 quarters since.
Gritstone Asset Management's 1RT Acquisition Corp position peaked at $517K in Q3 2025.
6 funds tracked by Wall St. Rank held 1RT Acquisition Corp as of Q2 2026.

Based on Gritstone Asset Management's 13F filing for Q2 2026, filed 6 Aug 2026.