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 Q2	$8.39M	Hold	800,000	–	–	0.14%	184
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 $507M AUM 6.15% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

GCL

Glazer Capital LLC New York $4.07B AUM 78.71% 1-Year Est. Return

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 Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return

PMAM

Picton Mahoney Asset Management Toronto, Ontario, Canada $13.5B AUM 51.46% 1-Year Est. Return

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

Polar Asset Management Partners's AACB Position: Q2 2026 in Review

Polar Asset Management Partners held its Artius II Acquisition Inc (AACB) position steady in Q2 2026 at 800,000 shares worth $8.39M. The position accounts for 0.14% of the portfolio, ranked #184.

Polar Asset Management Partners first reported a position in AACB in Q2 2025 and has held it in 5 quarters since. The position peaked at $10.2M in Q3 2025. 51 funds tracked by Wall St. Rank hold AACB as of Q2 2026.

Polar Asset Management Partners held 800,000 shares of Artius II Acquisition Inc worth $8.39M as of Q2 2026.
Polar Asset Management Partners left its Artius II Acquisition Inc share count unchanged in Q2 2026.
Artius II Acquisition Inc made up 0.14% of Polar Asset Management Partners's portfolio in Q2 2026, its #184 holding.
Polar Asset Management Partners first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 5 quarters since.
Polar Asset Management Partners's Artius II Acquisition Inc position peaked at $10.2M in Q3 2025.
51 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q2 2026.

Based on Polar Asset Management Partners's 13F filing for Q2 2026, filed 14 Aug 2026.