AA
AACB

AQR Arbitrage’s Artius II Acquisition Inc AACB Stock Holding History

AQR Arbitrage’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 		$14.8M Sell
1,432,183
-58,022
-4% -$600K 0.24% 83
2025
Q4 		$15.3M Hold
1,490,205
– – 0.32% 77
2025
Q3 		$15.1M Sell
1,490,205
-12,000
-0.8% -$122K 0.38% 77
2025
Q2 		$15.2M Buy
+1,502,205
New +$15M 0.35% 82

Other funds holding AACB

HIM
HGC Investment Management Toronto, Ontario, Canada $451M AUM 8.78% 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
RCM
Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.33B AUM 1.18% 1-Year Est. Return

AQR Arbitrage's AACB Position: Q1 2026 in Review

AQR Arbitrage reduced its Artius II Acquisition Inc (AACB) stake by 3.9% in Q1 2026, selling an estimated $600K and leaving 1,432,183 shares worth $14.8M. The position accounts for 0.24% of the portfolio, ranked #83.

AQR Arbitrage first reported a position in AACB in Q2 2025 and has held it in 4 quarters since. The position peaked at $15.3M in Q4 2025. 52 funds tracked by Wall St. Rank hold AACB as of Q1 2026.

  • AQR Arbitrage held 1,432,183 shares of Artius II Acquisition Inc worth $14.8M as of Q1 2026.
  • AQR Arbitrage sold 58,022 Artius II Acquisition Inc shares in Q1 2026, an estimated $600K.
  • Artius II Acquisition Inc made up 0.24% of AQR Arbitrage's portfolio in Q1 2026, its #83 holding.
  • AQR Arbitrage first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 4 quarters since.
  • AQR Arbitrage's Artius II Acquisition Inc position peaked at $15.3M in Q4 2025.
  • 52 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q1 2026.

Based on AQR Arbitrage's 13F filing for Q1 2026, filed 15 May 2026.