MP
AACB

Mangrove Partners’s Artius II Acquisition Inc AACB Stock Holding History

Mangrove 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 		$3.68M Sell
356,172
-93,826
-21% -$970K 0.3% 59
2025
Q4 		$4.63M Sell
449,998
-2
-0% -$21 0.38% 32
2025
Q3 		$4.58M Buy
+450,000
New +$4.56M 0.34% 39

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
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

Mangrove Partners's AACB Position: Q1 2026 in Review

Mangrove Partners reduced its Artius II Acquisition Inc (AACB) stake by 21% in Q1 2026, selling an estimated $970K and leaving 356,172 shares worth $3.68M. The position accounts for 0.3% of the portfolio, ranked #59.

Mangrove Partners first reported a position in AACB in Q3 2025 and has held it in 3 quarters since. The position peaked at $4.63M in Q4 2025. 52 funds tracked by Wall St. Rank hold AACB as of Q1 2026.

  • Mangrove Partners held 356,172 shares of Artius II Acquisition Inc worth $3.68M as of Q1 2026.
  • Mangrove Partners sold 93,826 Artius II Acquisition Inc shares in Q1 2026, an estimated $970K.
  • Artius II Acquisition Inc made up 0.3% of Mangrove Partners's portfolio in Q1 2026, its #59 holding.
  • Mangrove Partners first reported a position in Artius II Acquisition Inc in Q3 2025 and has held it in 3 quarters since.
  • Mangrove Partners's Artius II Acquisition Inc position peaked at $4.63M in Q4 2025.
  • 52 funds tracked by Wall St. Rank held Artius II Acquisition Inc as of Q1 2026.

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