INSULET CORP

Ticker: PODD CUSIP: 45784P101 Class: EQTY

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC's Holding History (CIK: 0001644956)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 145,811 Value ($000) $41,445 Avg Close $312.66 Range $284.09 - $354.88

Q3 2025

Shares 293,503 Value ($000) $90,613 Avg Close $313.31 Range $276.46 - $353.50

Q2 2025

Shares 583,139 Value ($000) $183,211 Avg Close $288.61 Range $234.22 - $329.33

Q1 2025

Shares 628,537 Value ($000) $165,060 Avg Close $270.64 Range $230.05 - $289.46

Q4 2024

Shares 676,309 Value ($000) $176,564 Avg Close $251.84 Range $225.37 - $279.77

Q3 2024

Shares 809,523 Value ($000) $188,416 Avg Close $205.35 Range $173.00 - $243.98

Q2 2024

Shares 942,254 Value ($000) $190,147 Avg Close $180.20 Range $160.19 - $208.21

Q1 2024

Shares 952,268 Value ($000) $163,219 Avg Close $186.49 Range $160.84 - $217.46

Q4 2023

Shares 918,689 Value ($000) $199,337 Avg Close $171.53 Range $125.82 - $223.56

Q3 2023

Shares 732,923 Value ($000) $116,894 Avg Close $223.91 Range $152.43 - $293.64

Q2 2023

Shares 299,039 Value ($000) $86,225 Avg Close $303.74 Range $268.76 - $335.91

Q1 2023

Shares 480,475 Value ($000) $153,252 Avg Close $296.41 Range $269.06 - $326.74

Q4 2022

Shares 301,601 Value ($000) $88,788 Avg Close $275.80 Range $208.54 - $320.00

Q3 2022

Shares 502,552 Value ($000) $115,285 Avg Close $250.46 Range $216.27 - $283.28

Q2 2022

Shares 502,120 Value ($000) $109,432 Avg Close $227.31 Range $181.00 - $280.36

Q1 2022

Shares 513,913 Value ($000) $136,901 Avg Close $245.44 Range $193.70 - $282.87

Q3 2021

Shares 767,661 Value ($000) $218,192 Avg Close $285.22 Range $254.75 - $309.99

Q2 2021

Shares 778,886 Value ($000) $213,812 Avg Close $271.83 Range $218.28 - $306.46

Q1 2021

Shares 795,244 Value ($000) $207,495 Avg Close $267.81 Range $231.44 - $298.43

Q4 2020

Shares 905,235 Value ($000) $231,405 Avg Close $248.10 Range $214.93 - $269.42

Q3 2020

Shares 936,839 Value ($000) $221,647 Avg Close $210.61 Range $185.24 - $242.13

Q2 2020

Shares 901,436 Value ($000) $175,113 Avg Close $191.17 Range $155.08 - $228.79

Q1 2020

Shares 895,609 Value ($000) $148,384 Avg Close $182.74 Range $121.00 - $219.85

Q4 2019

Shares 1,601,024 Value ($000) $274,095 Avg Close $166.62 Range $142.19 - $187.25

Q3 2019

Shares 1,640,410 Value ($000) $270,553 Avg Close $140.54 Range $115.56 - $168.98

Q2 2019

Shares 2,334,135 Value ($000) $278,649 Avg Close $102.53 Range $80.43 - $122.19

Q1 2019

Shares 2,144,988 Value ($000) $203,967 Avg Close $85.71 Range $70.80 - $101.94

Q4 2018

Shares 1,854,198 Value ($000) $147,075 Avg Close $84.63 Range $71.14 - $106.29

Q3 2018

Shares 1,871,961 Value ($000) $198,334 Avg Close $93.63 Range $81.02 - $108.91

Q2 2018

Shares 1,189,568 Value ($000) $101,946 Avg Close $89.69 Range $81.06 - $102.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	145,811	$41,445	$312.66	$284.09 - $354.88
Q3 2025	293,503	$90,613	$313.31	$276.46 - $353.50
Q2 2025	583,139	$183,211	$288.61	$234.22 - $329.33
Q1 2025	628,537	$165,060	$270.64	$230.05 - $289.46
Q4 2024	676,309	$176,564	$251.84	$225.37 - $279.77
Q3 2024	809,523	$188,416	$205.35	$173.00 - $243.98
Q2 2024	942,254	$190,147	$180.20	$160.19 - $208.21
Q1 2024	952,268	$163,219	$186.49	$160.84 - $217.46
Q4 2023	918,689	$199,337	$171.53	$125.82 - $223.56
Q3 2023	732,923	$116,894	$223.91	$152.43 - $293.64
Q2 2023	299,039	$86,225	$303.74	$268.76 - $335.91
Q1 2023	480,475	$153,252	$296.41	$269.06 - $326.74
Q4 2022	301,601	$88,788	$275.80	$208.54 - $320.00
Q3 2022	502,552	$115,285	$250.46	$216.27 - $283.28
Q2 2022	502,120	$109,432	$227.31	$181.00 - $280.36
Q1 2022	513,913	$136,901	$245.44	$193.70 - $282.87
Q3 2021	767,661	$218,192	$285.22	$254.75 - $309.99
Q2 2021	778,886	$213,812	$271.83	$218.28 - $306.46
Q1 2021	795,244	$207,495	$267.81	$231.44 - $298.43
Q4 2020	905,235	$231,405	$248.10	$214.93 - $269.42
Q3 2020	936,839	$221,647	$210.61	$185.24 - $242.13
Q2 2020	901,436	$175,113	$191.17	$155.08 - $228.79
Q1 2020	895,609	$148,384	$182.74	$121.00 - $219.85
Q4 2019	1,601,024	$274,095	$166.62	$142.19 - $187.25
Q3 2019	1,640,410	$270,553	$140.54	$115.56 - $168.98
Q2 2019	2,334,135	$278,649	$102.53	$80.43 - $122.19
Q1 2019	2,144,988	$203,967	$85.71	$70.80 - $101.94
Q4 2018	1,854,198	$147,075	$84.63	$71.14 - $106.29
Q3 2018	1,871,961	$198,334	$93.63	$81.02 - $108.91
Q2 2018	1,189,568	$101,946	$89.69	$81.06 - $102.89