William Blair & Company’s State Street SPDR S&P MIDCAP 400 ETF Trust MDY Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $53.5M | Buy |
76,091
+414
| +0.5% | +$277K | 0.14% | 142 |
|
|
2026
Q1 | $46.7M | Buy |
75,677
+309
| +0.4% | +$196K | 0.13% | 149 |
|
|
2025
Q4 | $45.5M | Sell |
75,368
-1,733
| -2% | -$1.04M | 0.12% | 147 |
|
|
2025
Q3 | $46M | Sell |
77,101
-1,265
| -2% | -$742K | 0.12% | 150 |
|
|
2025
Q2 | $44.4M | Buy |
78,366
+2,685
| +4% | +$1.44M | 0.12% | 151 |
|
|
2025
Q1 | $40.4M | Buy |
75,681
+6,561
| +9% | +$3.72M | 0.12% | 158 |
|
|
2024
Q4 | $39.4M | Sell |
69,120
-359
| -0.5% | -$210K | 0.11% | 158 |
|
|
2024
Q3 | $39.6M | Buy |
69,479
+1,050
| +2% | +$578K | 0.12% | 151 |
|
|
2024
Q2 | $36.6M | Buy |
68,429
+1,661
| +2% | +$893K | 0.11% | 150 |
|
|
2024
Q1 | $37.1M | Buy |
66,768
+2,659
| +4% | +$1.38M | 0.12% | 145 |
|
|
2023
Q4 | $32.5M | Sell |
64,109
-2,435
| -4% | -$1.13M | 0.11% | 156 |
|
|
2023
Q3 | $30.4M | Sell |
66,544
-1,230
| -2% | -$589K | 0.12% | 155 |
|
|
2023
Q2 | $32.5M | Sell |
67,774
-5,422
| -7% | -$2.47M | 0.12% | 154 |
|
|
2023
Q1 | $33.6M | Sell |
73,196
-5,829
| -7% | -$2.72M | 0.13% | 144 |
|
|
2022
Q4 | $35M | Sell |
79,025
-2,230
| -3% | -$986K | 0.15% | 132 |
|
|
2022
Q3 | $32.6M | Buy |
81,255
+4,570
| +6% | +$2.02M | 0.15% | 136 |
|
|
2022
Q2 | $31.7M | Buy |
76,685
+3,632
| +5% | +$1.64M | 0.14% | 144 |
|
|
2022
Q1 | $35.8M | Buy |
73,053
+6,482
| +10% | +$3.15M | 0.13% | 165 |
|
|
2021
Q4 | $34.5M | Buy |
66,571
+2,506
| +4% | +$1.27M | 0.11% | 171 |
|
|
2021
Q3 | $30.8M | Buy |
64,065
+1,835
| +3% | +$901K | 0.1% | 171 |
|
|
2021
Q2 | $30.6M | Buy |
62,230
+6,380
| +11% | +$3.15M | 0.11% | 174 |
|
|
2021
Q1 | $26.6M | Buy |
55,850
+886
| +2% | +$404K | 0.1% | 180 |
|
|
2020
Q4 | $23.1M | Buy |
54,964
+5,166
| +10% | +$1.99M | 0.08% | 200 |
|
|
2020
Q3 | $16.9M | Sell |
49,798
-3,166
| -6% | -$1.08M | 0.07% | 208 |
|
|
2020
Q2 | $17.2M | Sell |
52,964
-18,831
| -26% | -$5.71M | 0.08% | 199 |
|
|
2020
Q1 | $18.9M | Sell |
71,795
-13,386
| -16% | -$4.54M | 0.12% | 163 |
|
|
2019
Q4 | $32M | Buy |
85,181
+13,893
| +19% | +$5.02M | 0.16% | 136 |
|
|
2019
Q3 | $25.1M | Buy |
71,288
+6,606
| +10% | +$2.31M | 0.14% | 147 |
|
|
2019
Q2 | $22.9M | Buy |
64,682
+10,845
| +20% | +$3.79M | 0.13% | 157 |
|
|
2019
Q1 | $18.6M | Buy |
53,837
+15,010
| +39% | +$5.05M | 0.11% | 177 |
|
|
2018
Q4 | $11.8M | Sell |
38,827
-23,162
| -37% | -$7.71M | 0.09% | 216 |
|
|
2018
Q3 | $22.8M | Buy |
61,989
+38,886
| +168% | +$14.2M | 0.14% | 157 |
|
|
2018
Q2 | $8.2M | Buy |
23,103
+7,761
| +51% | +$2.73M | 0.06% | 268 |
|
|
2018
Q1 | $5.24M | Sell |
15,342
-1,585
| -9% | -$552K | 0.04% | 336 |
|
|
2017
Q4 | $5.85M | Buy |
16,927
+431
| +3% | +$145K | 0.04% | 325 |
|
|
2017
Q3 | $5.38M | Buy |
16,496
+205
| +1% | +$65.2K | 0.04% | 321 |
|
|
2017
Q2 | $5.17M | Sell |
16,291
-1,182
| -7% | -$372K | 0.04% | 333 |
|
|
2017
Q1 | $5.49M | Buy |
17,473
+2,132
| +14% | +$662K | 0.04% | 303 |
|
|
2016
Q4 | $4.63M | Buy |
15,341
+1,323
| +9% | +$382K | 0.04% | 319 |
|
|
2016
Q3 | $3.96M | Buy |
14,018
+933
| +7% | +$263K | 0.04% | 351 |
|
|
2016
Q2 | $3.56M | Buy |
13,085
+3
| +0% | +$802 | 0.03% | 352 |
|
|
2016
Q1 | $3.44M | Buy |
13,082
+1,240
| +10% | +$302K | 0.03% | 343 |
|
|
2015
Q4 | $3.01M | Buy |
11,842
+2,053
| +21% | +$534K | 0.03% | 380 |
|
|
2015
Q3 | $2.44M | Sell |
9,789
-115
| -1% | -$30.5K | 0.02% | 484 |
|
|
2015
Q2 | $2.71M | Buy |
9,904
+130
| +1% | +$36.1K | ﹤0.01% | 1247 |
|
|
2015
Q1 | $2.71M | Sell |
9,774
-50
| -0.5% | -$13.5K | ﹤0.01% | 1207 |
|
|
2014
Q4 | $2.59M | Buy |
9,824
+1,015
| +12% | +$260K | ﹤0.01% | 1217 |
|
|
2014
Q3 | $2.2M | Sell |
8,809
-150
| -2% | -$38.5K | ﹤0.01% | 1230 |
|
|
2014
Q2 | $2.33M | Buy |
8,959
+210
| +2% | +$52.6K | ﹤0.01% | 1205 |
|
|
2014
Q1 | $2.19M | Buy |
8,749
+25
| +0.3% | +$6.13K | ﹤0.01% | 1174 |
|
|
2013
Q4 | $2.13M | Buy |
8,724
+180
| +2% | +$42.3K | ﹤0.01% | 1157 |
|
|
2013
Q3 | $1.93M | Buy |
8,544
+595
| +7% | +$132K | ﹤0.01% | 1151 |
|
|
2013
Q2 | $1.67M | Buy |
+7,949
| New | +$1.68M | ﹤0.01% | 1125 |
|
Other funds holding MDY
William Blair & Company's MDY Position: Q2 2026 in Review
William Blair & Company increased its State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) stake by 0.55% in Q2 2026, buying an estimated $277K and bringing the position to 76,091 shares worth $53.5M. The position accounts for 0.14% of the portfolio, ranked #142.
William Blair & Company first reported a position in MDY in Q2 2013 and has held it in 53 quarters since. 1,531 funds tracked by Wall St. Rank hold MDY as of Q2 2026.
- William Blair & Company held 76,091 shares of State Street SPDR S&P MIDCAP 400 ETF Trust worth $53.5M as of Q2 2026.
- William Blair & Company bought 414 State Street SPDR S&P MIDCAP 400 ETF Trust shares in Q2 2026, an estimated $277K.
- State Street SPDR S&P MIDCAP 400 ETF Trust made up 0.14% of William Blair & Company's portfolio in Q2 2026, its #142 holding.
- William Blair & Company first reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust in Q2 2013 and has held it in 53 quarters since.
- 1,531 funds tracked by Wall St. Rank held State Street SPDR S&P MIDCAP 400 ETF Trust as of Q2 2026.
Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.