William Blair & Company’s Penumbra PEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$2.71M Buy
10,564
+4,042
+62% +$1.04M 0.01% 643
2025
Q1
$1.74M Buy
6,522
+2,782
+74% +$744K 0.01% 748
2024
Q4
$888K Sell
3,740
-5,140
-58% -$1.22M ﹤0.01% 936
2024
Q3
$1.73M Sell
8,880
-8,776
-50% -$1.71M 0.01% 749
2024
Q2
$3.18M Buy
17,656
+982
+6% +$177K 0.01% 579
2024
Q1
$3.72M Buy
16,674
+3,257
+24% +$727K 0.01% 543
2023
Q4
$3.37M Buy
13,417
+4,119
+44% +$1.04M 0.01% 551
2023
Q3
$2.25M Buy
9,298
+20
+0.2% +$4.84K 0.01% 623
2023
Q2
$3.19M Sell
9,278
-1,008
-10% -$347K 0.01% 550
2023
Q1
$2.87M Sell
10,286
-2,457
-19% -$685K 0.01% 574
2022
Q4
$2.83M Buy
12,743
+512
+4% +$114K 0.01% 552
2022
Q3
$2.32M Buy
12,231
+1,451
+13% +$275K 0.01% 579
2022
Q2
$1.34M Sell
10,780
-353
-3% -$43.9K 0.01% 748
2022
Q1
$2.47M Sell
11,133
-932
-8% -$207K 0.01% 646
2021
Q4
$3.47M Buy
12,065
+1,973
+20% +$567K 0.01% 578
2021
Q3
$2.69M Buy
10,092
+213
+2% +$56.8K 0.01% 621
2021
Q2
$2.71M Sell
9,879
-92
-0.9% -$25.2K 0.01% 608
2021
Q1
$2.7M Sell
9,971
-2,416
-20% -$654K 0.01% 599
2020
Q4
$2.17M Buy
12,387
+1,101
+10% +$193K 0.01% 623
2020
Q3
$2.19M Buy
11,286
+3
+0% +$583 0.01% 563
2020
Q2
$2.02M Sell
11,283
-80
-0.7% -$14.3K 0.01% 551
2020
Q1
$1.83M Buy
11,363
+642
+6% +$104K 0.01% 528
2019
Q4
$1.76M Buy
10,721
+4,717
+79% +$775K 0.01% 638
2019
Q3
$807K Buy
6,004
+4,480
+294% +$602K ﹤0.01% 814
2019
Q2
$244K Buy
+1,524
New +$244K ﹤0.01% 1228