JO
AACB

John Overdeck’s Artius II Acquisition Inc AACB Stock Holding History

John Overdeck’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 		$7.61M Hold
725,000
– – 0.01% 1745
2026
Q1 		$7.5M Hold
725,000
– – 0.01% 1642
2025
Q4 		$7.47M Hold
725,000
– – 0.01% 1350
2025
Q3 		$7.34M Hold
725,000
– – 0.01% 1167
2025
Q2 		$7.34M Buy
+725,000
New +$7.26M 0.01% 1012

Other funds holding AACB

HIM
HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return
AA
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
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
RCM
Radcliffe Capital Management Bala Cynwyd, Pennsylvania $1.32B AUM 1.82% 1-Year Est. Return

John Overdeck's AACB Position: Q2 2026 in Review

John Overdeck held its Artius II Acquisition Inc (AACB) position steady in Q2 2026 at 725,000 shares worth $7.61M. The position accounts for 0.01% of the portfolio, ranked #1745.

John Overdeck first reported a position in AACB in Q2 2025 and has held it in 5 quarters since. 51 funds tracked by Wall St. Rank hold AACB as of Q2 2026.

  • John Overdeck held 725,000 shares of Artius II Acquisition Inc worth $7.61M as of Q2 2026.
  • John Overdeck left its Artius II Acquisition Inc share count unchanged in Q2 2026.
  • Artius II Acquisition Inc made up 0.01% of John Overdeck's portfolio in Q2 2026, its #1745 holding.
  • John Overdeck first reported a position in Artius II Acquisition Inc in Q2 2025 and has held it in 5 quarters since.
  • 51 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.