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
Q2 		$15.1M Buy
1,440,225
+8,042
+0.6% +$83.9K 0.22% 81
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 $507M AUM 6.15% 1-Year Est. Return
GCL
Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return
LA
Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return
WCMNY
Westchester Capital Management (New York) Valhalla, New York $2.04B AUM 31.03% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return
PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
PMAM
Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 51.46% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
RCM
Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.32B AUM 1.82% 1-Year Est. Return

AQR Arbitrage's AACB Position: Q2 2026 in Review

AQR Arbitrage increased its Artius II Acquisition Inc (AACB) stake by 0.56% in Q2 2026, buying an estimated $83.9K and bringing the position to 1,440,225 shares worth $15.1M. The position accounts for 0.22% of the portfolio, ranked #81.

AQR Arbitrage first reported a position in AACB in Q2 2025 and has held it in 5 quarters since. The position peaked at $15.3M in Q4 2025. 51 funds tracked by Wall St. Rank hold AACB as of Q2 2026.

  • AQR Arbitrage held 1,440,225 shares of Artius II Acquisition Inc worth $15.1M as of Q2 2026.
  • AQR Arbitrage bought 8,042 Artius II Acquisition Inc shares in Q2 2026, an estimated $83.9K.
  • Artius II Acquisition Inc made up 0.22% of AQR Arbitrage's portfolio in Q2 2026, its #81 holding.
  • AQR Arbitrage first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 5 quarters since.
  • AQR Arbitrage's Artius II Acquisition Inc position peaked at $15.3M in Q4 2025.
  • 51 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q2 2026.

Based on AQR Arbitrage's 13F filing for Q2 2026, filed 14 Aug 2026.