Mariner
SAN icon

Mariner’s Banco Santander SAN Stock Holding History

Mariner’s Portfolio SAN Stock Details SAN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$12.5M Buy
1,112,825
+42,099
+4% +$502K 0.01% 649
2025
Q4 		$12.6M Buy
1,070,726
+89,700
+9% +$952K 0.02% 602
2025
Q3 		$10.3M Buy
981,026
+55,616
+6% +$518K 0.01% 623
2025
Q2 		$7.68M Buy
925,410
+76,153
+9% +$566K 0.01% 697
2025
Q1 		$5.69M Buy
849,257
+57,885
+7% +$339K 0.01% 771
2024
Q4 		$3.61M Sell
791,372
-4,450
-0.6% -$21.4K 0.01% 924
2024
Q3 		$4.06M Buy
795,822
+38,752
+5% +$186K 0.01% 862
2024
Q2 		$3.5M Buy
757,070
+30,831
+4% +$152K 0.01% 862
2024
Q1 		$3.51M Buy
726,239
+13,988
+2% +$58.4K 0.01% 866
2023
Q4 		$2.95M Buy
712,251
+56,791
+9% +$222K 0.01% 888
2023
Q3 		$2.46M Buy
655,460
+18,136
+3% +$68.8K 0.01% 890
2023
Q2 		$2.36M Sell
637,324
-55,870
-8% -$197K 0.01% 909
2023
Q1 		$2.56M Buy
693,194
+64,496
+10% +$230K 0.01% 853
2022
Q4 		$1.85M Buy
628,698
+154,507
+33% +$422K 0.01% 967
2022
Q3 		$1.1M Buy
474,191
+329,725
+228% +$825K ﹤0.01% 1008
2022
Q2 		$405K Buy
144,466
+7,305
+5% +$22.3K ﹤0.01% 1203
2022
Q1 		$464K Buy
137,161
+66,168
+93% +$232K ﹤0.01% 1166
2021
Q4 		$234K Buy
+70,993
New +$249K ﹤0.01% 1140
2018
Q1 		– Sell
-23,298
Closed -$146K – 690
2017
Q4 		$146K Buy
+23,298
New +$147K 0.01% 550
2015
Q3 		– Sell
-13,701
Closed -$91K – 566
2015
Q2 		$91K Buy
13,701
+155
+1% +$1.08K ﹤0.01% 496
2015
Q1 		$96K Sell
13,546
-2,785
-17% -$18.8K 0.01% 386
2014
Q4 		$126K Buy
16,331
+4,036
+33% +$32.4K 0.01% 369
2014
Q3 		$106K Sell
12,295
-1,080
-8% -$9.74K 0.01% 334
2014
Q2 		$127K Buy
+13,375
New +$123K 0.01% 333

Other funds holding SAN

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $295B AUM 31.6% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
MIP
Mondrian Investment Partners London, United Kingdom $6.69B AUM
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Mariner's SAN Position: Q1 2026 in Review

Mariner increased its Banco Santander (SAN) stake by 3.9% in Q1 2026, buying an estimated $502K and bringing the position to 1,112,825 shares worth $12.5M. The position accounts for 0.01% of the portfolio, ranked #649.

Mariner first reported a position in SAN in Q2 2014 and has held it in 24 quarters since. The position peaked at $12.6M in Q4 2025. 637 funds tracked by Wall St. Rank hold SAN as of Q1 2026.

  • Mariner held 1,112,825 shares of Banco Santander worth $12.5M as of Q1 2026.
  • Mariner bought 42,099 Banco Santander shares in Q1 2026, an estimated $502K.
  • Banco Santander made up 0.01% of Mariner's portfolio in Q1 2026, its #649 holding.
  • Mariner first reported a position in Banco Santander in Q2 2014 and has held it in 24 quarters since.
  • Mariner's Banco Santander position peaked at $12.6M in Q4 2025.
  • 637 funds tracked by Wall St. Rank held Banco Santander as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.