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Aquamarine Financial’s Cosan CSAN Stock Holding History

Aquamarine Financial’s Portfolio CSAN Stock Details CSAN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.04M Hold
2,096,904
– – 0.33% 12
2026
Q1 		$8.64M Hold
2,096,904
– – 0.63% 10
2025
Q4 		$8.28M Sell
2,096,904
-144,149
-6% -$657K 0.67% 8
2025
Q3 		$10.3M Buy
+2,241,053
New +$10.3M 1.06% 7

Other funds holding CSAN

MAM
Monaco Asset Management Monaco $1.26B AUM 60.23% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
NC
Naman Capital Sao Paulo, Brazil $323M AUM 37.1% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
BPAMU
BTG Pactual Asset Management US New York $1.61B AUM 24.35% 1-Year Est. Return
BCM
Barometer Capital Management Toronto, Ontario, Canada $360M AUM 83.37% 1-Year Est. Return
XT
XTX Topco George Town, Cayman Islands $7.72B AUM 32.88% 1-Year Est. Return

Aquamarine Financial's CSAN Position: Q2 2026 in Review

Aquamarine Financial held its Cosan (CSAN) position steady in Q2 2026 at 2,096,904 shares worth $6.04M. The position accounts for 0.33% of the portfolio, ranked #12.

Aquamarine Financial first reported a position in CSAN in Q3 2025 and has held it in 4 quarters since. The position peaked at $10.3M in Q3 2025. 63 funds tracked by Wall St. Rank hold CSAN as of Q2 2026.

  • Aquamarine Financial held 2,096,904 shares of Cosan worth $6.04M as of Q2 2026.
  • Aquamarine Financial left its Cosan share count unchanged in Q2 2026.
  • Cosan made up 0.33% of Aquamarine Financial's portfolio in Q2 2026, its #12 holding.
  • Aquamarine Financial first reported a position in Cosan in Q3 2025 and has held it in 4 quarters since.
  • Aquamarine Financial's Cosan position peaked at $10.3M in Q3 2025.
  • 63 funds tracked by Wall St. Rank held Cosan as of Q2 2026.

Based on Aquamarine Financial's 13F filing for Q2 2026, filed 12 Aug 2026.