GAM
AACB

Gritstone Asset Management’s Artius II Acquisition Inc AACB Stock Holding History

Gritstone Asset Management’s Portfolio AACB Stock Details AACB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.04M Hold
197,656
– – 2.18% 9
2025
Q4 		$2.04M Hold
197,656
– – 1.94% 12
2025
Q3 		$2.01M Sell
197,656
-2,344
-1% -$23.7K 2.07% 15
2025
Q2 		$2.02M Buy
+200,000
New +$2M 2% 18

Other funds holding AACB

HIM
HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.78% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $6.09B AUM 27.01% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.71B AUM 81.93% 1-Year Est. Return
LA
Linden Advisors New York $17.9B AUM 1.72% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.21B AUM 26.02% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $16.7B AUM 23.27% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $62.2B AUM 31.35% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $5.01B AUM 35.27% 1-Year Est. Return
PMAM
Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 50.48% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Gritstone Asset Management's AACB Position: Q1 2026 in Review

Gritstone Asset Management held its Artius II Acquisition Inc (AACB) position steady in Q1 2026 at 197,656 shares worth $2.04M. The position accounts for 2.18% of the portfolio, ranked #9.

Gritstone Asset Management first reported a position in AACB in Q2 2025 and has held it in 4 quarters since. 52 funds tracked by Wall St. Rank hold AACB as of Q1 2026.

  • Gritstone Asset Management held 197,656 shares of Artius II Acquisition Inc worth $2.04M as of Q1 2026.
  • Gritstone Asset Management left its Artius II Acquisition Inc share count unchanged in Q1 2026.
  • Artius II Acquisition Inc made up 2.18% of Gritstone Asset Management's portfolio in Q1 2026, its #9 holding.
  • Gritstone Asset Management first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 4 quarters since.
  • 52 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q1 2026.

Based on Gritstone Asset Management's 13F filing for Q1 2026, filed 5 May 2026.