PAMP
AACB

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

Polar Asset Management Partners’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 		$8.27M Sell
800,000
-12,332
-2% -$127K 0.17% 134
2025
Q4 		$8.37M Sell
812,332
-187,668
-19% -$1.92M 0.11% 164
2025
Q3 		$10.2M Hold
1,000,000
– – 0.11% 146
2025
Q2 		$10.1M Buy
+1,000,000
New +$10M 0.16% 111

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
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

Polar Asset Management Partners's AACB Position: Q1 2026 in Review

Polar Asset Management Partners reduced its Artius II Acquisition Inc (AACB) stake by 1.5% in Q1 2026, selling an estimated $127K and leaving 800,000 shares worth $8.27M. The position accounts for 0.17% of the portfolio, ranked #134.

Polar Asset Management Partners first reported a position in AACB in Q2 2025 and has held it in 4 quarters since. The position peaked at $10.2M in Q3 2025. 52 funds tracked by Wall St. Rank hold AACB as of Q1 2026.

  • Polar Asset Management Partners held 800,000 shares of Artius II Acquisition Inc worth $8.27M as of Q1 2026.
  • Polar Asset Management Partners sold 12,332 Artius II Acquisition Inc shares in Q1 2026, an estimated $127K.
  • Artius II Acquisition Inc made up 0.17% of Polar Asset Management Partners's portfolio in Q1 2026, its #134 holding.
  • Polar Asset Management Partners first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 4 quarters since.
  • Polar Asset Management Partners's Artius II Acquisition Inc position peaked at $10.2M in Q3 2025.
  • 52 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q1 2026.

Based on Polar Asset Management Partners's 13F filing for Q1 2026, filed 15 May 2026.