William Blair & Company’s Diamondback Energy FANG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$88.1M Buy
445,338
+141,152
+46% +$24M 0.25% 92
2025
Q4
$45.7M Buy
304,186
+84,649
+39% +$12.5M 0.12% 146
2025
Q3
$31.4M Buy
219,537
+215,691
+5,608% +$30.7M 0.08% 178
2025
Q2
$528K Sell
3,846
-434
-10% -$60.1K ﹤0.01% 1074
2025
Q1
$684K Buy
4,280
+382
+10% +$61.6K ﹤0.01% 993
2024
Q4
$639K Sell
3,898
-1,032
-21% -$182K ﹤0.01% 1022
2024
Q3
$850K Buy
4,930
+59
+1% +$11.4K ﹤0.01% 950
2024
Q2
$975K Sell
4,871
-459
-9% -$91.1K ﹤0.01% 886
2024
Q1
$1.06M Buy
5,330
+640
+14% +$109K ﹤0.01% 849
2023
Q4
$727K Sell
4,690
-1,259
-21% -$197K ﹤0.01% 960
2023
Q3
$921K Buy
5,949
+1,319
+28% +$195K ﹤0.01% 871
2023
Q2
$608K Buy
4,630
+63
+1% +$8.43K ﹤0.01% 993
2023
Q1
$617K Buy
4,567
+2,014
+79% +$281K ﹤0.01% 972
2022
Q4
$349K Sell
2,553
-127
-5% -$18.6K ﹤0.01% 1165
2022
Q3
$323K Buy
2,680
+198
+8% +$24.7K ﹤0.01% 1194
2022
Q2
$301K Buy
2,482
+985
+66% +$135K ﹤0.01% 1266
2022
Q1
$205K Buy
+1,497
New +$195K ﹤0.01% 1503
2018
Q4
Sell
-2,205
Closed -$298K 1704
2018
Q3
$298K Buy
2,205
+122
+6% +$15.6K ﹤0.01% 1145
2018
Q2
$274K Buy
+2,083
New +$258K ﹤0.01% 1160
2015
Q4
Sell
-42,100
Closed -$2.72M 1235
2015
Q3
$2.72M Sell
42,100
-612,345
-94% -$41.6M 0.02% 450
2015
Q2
$49.3M Buy
654,445
+111,395
+21% +$8.85M 0.07% 356
2015
Q1
$41.7M Buy
543,050
+537,946
+10,540% +$37.3M 0.06% 379
2014
Q4
$305K Buy
5,104
+1,706
+50% +$109K ﹤0.01% 1847
2014
Q3
$254K Buy
3,398
+730
+27% +$59.2K ﹤0.01% 1898
2014
Q2
$237K Sell
2,668
-785
-23% -$59.7K ﹤0.01% 1893
2014
Q1
$232K Buy
+3,453
New +$199K ﹤0.01% 1851

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