MONGODB INC

Ticker: MDB CUSIP: 60937P106 Class: EQTY

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025

Shares 848,279 Value ($000) $356,014 Avg Close $363.83 Range $307.20 - $440.67

Q3 2025

Shares 989,279 Value ($000) $307,052 Avg Close $257.06 Range $198.47 - $344.85

Q2 2025

Shares 1,045,719 Value ($000) $219,591 Avg Close $184.86 Range $140.78 - $237.18

Q1 2025

Shares 870,550 Value ($000) $152,694 Avg Close $243.68 Range $170.85 - $298.92

Q4 2024

Shares 90,350 Value ($000) $21,034 Avg Close $282.40 Range $229.40 - $370.00

Q3 2024

Shares 70,250 Value ($000) $18,992 Avg Close $259.78 Range $212.74 - $300.00

Q2 2024

Shares 70,700 Value ($000) $17,672 Avg Close $315.84 Range $214.74 - $387.19

Q1 2024

Shares 67,150 Value ($000) $24,083 Avg Close $408.58 Range $340.35 - $509.62

Q4 2023

Shares 63,700 Value ($000) $26,044 Avg Close $379.37 Range $321.00 - $442.84

Q3 2023

Shares 70,900 Value ($000) $24,521 Avg Close $379.62 Range $323.01 - $439.00

Q2 2023

Shares 74,700 Value ($000) $30,701 Avg Close $291.65 Range $198.72 - $418.70

Q1 2023

Shares 87,500 Value ($000) $20,398 Avg Close $209.86 Range $164.59 - $248.15

Q4 2022

Shares 86,775 Value ($000) $17,081 Avg Close $177.99 Range $135.15 - $221.20

Q3 2022

Shares 84,800 Value ($000) $16,838 Avg Close $291.83 Range $188.17 - $390.84

Q2 2022

Shares 84,800 Value ($000) $22,006 Avg Close $312.62 Range $213.39 - $471.96

Q1 2022

Shares 84,800 Value ($000) $37,616 Avg Close $390.99 Range $272.50 - $519.54

Q4 2021

Shares 84,800 Value ($000) $44,889 Avg Close $512.04 Range $417.21 - $590.00

Q3 2021

Shares 134,900 Value ($000) $63,607 Avg Close $402.78 Range $324.97 - $518.34

Q2 2021

Shares 142,900 Value ($000) $51,661 Avg Close $309.26 Range $238.01 - $393.63

Q1 2021

Shares 142,900 Value ($000) $38,216 Avg Close $354.27 Range $250.79 - $428.96

Q4 2020

Shares 154,000 Value ($000) $55,292 Avg Close $279.28 Range $219.51 - $399.00

Q3 2020

Shares 158,800 Value ($000) $36,764 Avg Close $216.77 Range $186.27 - $258.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	848,279	$356,014	$363.83	$307.20 - $440.67
Q3 2025	989,279	$307,052	$257.06	$198.47 - $344.85
Q2 2025	1,045,719	$219,591	$184.86	$140.78 - $237.18
Q1 2025	870,550	$152,694	$243.68	$170.85 - $298.92
Q4 2024	90,350	$21,034	$282.40	$229.40 - $370.00
Q3 2024	70,250	$18,992	$259.78	$212.74 - $300.00
Q2 2024	70,700	$17,672	$315.84	$214.74 - $387.19
Q1 2024	67,150	$24,083	$408.58	$340.35 - $509.62
Q4 2023	63,700	$26,044	$379.37	$321.00 - $442.84
Q3 2023	70,900	$24,521	$379.62	$323.01 - $439.00
Q2 2023	74,700	$30,701	$291.65	$198.72 - $418.70
Q1 2023	87,500	$20,398	$209.86	$164.59 - $248.15
Q4 2022	86,775	$17,081	$177.99	$135.15 - $221.20
Q3 2022	84,800	$16,838	$291.83	$188.17 - $390.84
Q2 2022	84,800	$22,006	$312.62	$213.39 - $471.96
Q1 2022	84,800	$37,616	$390.99	$272.50 - $519.54
Q4 2021	84,800	$44,889	$512.04	$417.21 - $590.00
Q3 2021	134,900	$63,607	$402.78	$324.97 - $518.34
Q2 2021	142,900	$51,661	$309.26	$238.01 - $393.63
Q1 2021	142,900	$38,216	$354.27	$250.79 - $428.96
Q4 2020	154,000	$55,292	$279.28	$219.51 - $399.00
Q3 2020	158,800	$36,764	$216.77	$186.27 - $258.05