William Blair & Company’s Banco Santander SAN Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $999K | Buy |
88,547
+73,751
| +498% | +$879K | ﹤0.01% | 945 |
|
|
2025
Q4 | $174K | Buy |
14,796
+4,606
| +45% | +$48.9K | ﹤0.01% | 1490 |
|
|
2025
Q3 | $107K | Buy |
10,190
+34
| +0.3% | +$317 | ﹤0.01% | 1553 |
|
|
2025
Q2 | $84.3K | Buy |
+10,156
| New | +$75.5K | ﹤0.01% | 1537 |
|
|
2025
Q1 | – | Sell |
-45,234
| Closed | -$206K | – | 1876 |
|
|
2024
Q4 | $206K | Buy |
45,234
+163
| +0.4% | +$783 | ﹤0.01% | 1431 |
|
|
2024
Q3 | $230K | Buy |
45,071
+2,185
| +5% | +$10.5K | ﹤0.01% | 1387 |
|
|
2024
Q2 | $199K | Sell |
42,886
-2,509
| -6% | -$12.4K | ﹤0.01% | 1413 |
|
|
2024
Q1 | $220K | Sell |
45,395
-91,296
| -67% | -$381K | ﹤0.01% | 1372 |
|
|
2023
Q4 | $566K | Buy |
136,691
+1,927
| +1% | +$7.54K | ﹤0.01% | 1040 |
|
|
2023
Q3 | $507K | Buy |
+134,764
| New | +$511K | ﹤0.01% | 1055 |
|
|
2022
Q1 | – | Sell |
-10,929
| Closed | -$36K | – | 1989 |
|
|
2021
Q4 | $36K | Sell |
10,929
-1,431
| -12% | -$5.03K | ﹤0.01% | 1803 |
|
|
2021
Q3 | $45K | Sell |
12,360
-6,935
| -36% | -$25.6K | ﹤0.01% | 1696 |
|
|
2021
Q2 | $75K | Buy |
19,295
+1,887
| +11% | +$7.32K | ﹤0.01% | 1643 |
|
|
2021
Q1 | $60K | Buy |
17,408
+6,063
| +53% | +$20.5K | ﹤0.01% | 1646 |
|
|
2020
Q4 | $35K | Sell |
11,345
-841
| -7% | -$2.13K | ﹤0.01% | 1655 |
|
|
2020
Q3 | $22K | Buy |
+12,186
| New | +$26.2K | ﹤0.01% | 1575 |
|
|
2019
Q3 | – | Sell |
-167,395
| Closed | -$735K | – | 1744 |
|
|
2019
Q2 | $735K | Sell |
167,395
-28,075
| -14% | -$126K | ﹤0.01% | 852 |
|
|
2019
Q1 | $867K | Buy |
195,470
+2,322
| +1% | +$10.6K | 0.01% | 780 |
|
|
2018
Q4 | $829K | Buy |
193,148
+44,414
| +30% | +$201K | 0.01% | 749 |
|
|
2018
Q3 | $713K | Buy |
148,734
+83,990
| +130% | +$423K | ﹤0.01% | 845 |
|
|
2018
Q2 | $331K | Buy |
64,744
+912
| +1% | +$5.33K | ﹤0.01% | 1076 |
|
|
2018
Q1 | $401K | Buy |
63,832
+341
| +0.5% | +$2.26K | ﹤0.01% | 994 |
|
|
2017
Q4 | $398K | Hold |
63,491
| – | – | ﹤0.01% | 1042 |
|
|
2017
Q3 | $422K | Sell |
63,491
-4,284
| -6% | -$27.3K | ﹤0.01% | 990 |
|
|
2017
Q2 | $435K | Hold |
67,775
| – | – | ﹤0.01% | 1023 |
|
|
2017
Q1 | $352K | Hold |
67,775
| – | – | ﹤0.01% | 1014 |
|
|
2016
Q4 | $336K | Sell |
67,775
-20,921
| -24% | -$95.2K | ﹤0.01% | 950 |
|
|
2016
Q3 | $375K | Buy |
88,696
+1,921
| +2% | +$7.85K | ﹤0.01% | 934 |
|
|
2016
Q2 | $326K | Sell |
86,775
-28,891
| -25% | -$125K | ﹤0.01% | 951 |
|
|
2016
Q1 | $483K | Buy |
115,666
+1,739
| +2% | +$7.15K | ﹤0.01% | 803 |
|
|
2015
Q4 | $531K | Sell |
113,927
-17,362
| -13% | -$90K | 0.01% | 792 |
|
|
2015
Q3 | $658K | Sell |
131,289
-40,157
| -23% | -$244K | 0.01% | 883 |
|
|
2015
Q2 | $1.14M | Sell |
171,446
-2,169
| -1% | -$15.1K | ﹤0.01% | 1549 |
|
|
2015
Q1 | $1.23M | Sell |
173,615
-4,151
| -2% | -$28.1K | ﹤0.01% | 1491 |
|
|
2014
Q4 | $1.37M | Sell |
177,766
-7,972
| -4% | -$64K | ﹤0.01% | 1384 |
|
|
2014
Q3 | $1.6M | Buy |
185,738
+229
| +0.1% | +$2.06K | ﹤0.01% | 1327 |
|
|
2014
Q2 | $1.75M | Buy |
185,509
+4,007
| +2% | +$36.8K | ﹤0.01% | 1281 |
|
|
2014
Q1 | $1.58M | Buy |
181,502
+129,930
| +252% | +$1.06M | ﹤0.01% | 1269 |
|
|
2013
Q4 | $425K | Sell |
51,572
-19,332
| -27% | -$154K | ﹤0.01% | 1634 |
|
|
2013
Q3 | $526K | Buy |
70,904
+58,151
| +456% | +$386K | ﹤0.01% | 1541 |
|
|
2013
Q2 | $75K | Buy |
+12,753
| New | +$81.5K | ﹤0.01% | 1901 |
|
Other funds holding SAN
MIP
William Blair & Company's SAN Position: Q1 2026 in Review
William Blair & Company increased its Banco Santander (SAN) stake by 498% in Q1 2026, buying an estimated $879K and bringing the position to 88,547 shares worth $999K. The position accounts for ﹤0.01% of the portfolio, ranked #945.
William Blair & Company first reported a position in SAN in Q2 2013 and has held it in 41 quarters since. The position peaked at $1.75M in Q2 2014. 638 funds tracked by Wall St. Rank hold SAN as of Q1 2026.
- William Blair & Company held 88,547 shares of Banco Santander worth $999K as of Q1 2026.
- William Blair & Company bought 73,751 Banco Santander shares in Q1 2026, an estimated $879K.
- Banco Santander made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #945 holding.
- William Blair & Company first reported a position in Banco Santander in Q2 2013 and has held it in 41 quarters since.
- William Blair & Company's Banco Santander position peaked at $1.75M in Q2 2014.
- 638 funds tracked by Wall St. Rank held Banco Santander as of Q1 2026.
Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.