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Aquamarine Financial’s Santander BSBR Stock Holding History

Aquamarine Financial’s Portfolio BSBR Stock Details BSBR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$58.2M Buy
9,817,925
+47,603
+0.5% +$303K 4.26% 5
2025
Q4 		$59.7M Buy
9,770,322
+775,000
+9% +$4.54M 4.86% 5
2025
Q3 		$50.3M Buy
+8,995,322
New +$46.2M 5.16% 4

Other funds holding BSBR

BS
Banco Santander Madrid, Spain $12.4B AUM 29.42% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
AGM
Alpine Global Management New York $668M AUM 20.22% 1-Year Est. Return
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT) London, United Kingdom $89.9B AUM 20.22% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return

Aquamarine Financial's BSBR Position: Q1 2026 in Review

Aquamarine Financial increased its Santander (BSBR) stake by 0.49% in Q1 2026, buying an estimated $303K and bringing the position to 9,817,925 shares worth $58.2M. The position accounts for 4.26% of the portfolio, ranked #5.

Aquamarine Financial first reported a position in BSBR in Q3 2025 and has held it in 3 quarters since. The position peaked at $59.7M in Q4 2025. 91 funds tracked by Wall St. Rank hold BSBR as of Q1 2026.

  • Aquamarine Financial held 9,817,925 shares of Santander worth $58.2M as of Q1 2026.
  • Aquamarine Financial bought 47,603 Santander shares in Q1 2026, an estimated $303K.
  • Santander made up 4.26% of Aquamarine Financial's portfolio in Q1 2026, its #5 holding.
  • Aquamarine Financial first reported a position in Santander in Q3 2025 and has held it in 3 quarters since.
  • Aquamarine Financial's Santander position peaked at $59.7M in Q4 2025.
  • 91 funds tracked by Wall St. Rank held Santander as of Q1 2026.

Based on Aquamarine Financial's 13F filing for Q1 2026, filed 15 May 2026.