DATADOG INC

Ticker: DDOG CUSIP: 23804L103 Class: EQTY

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 102,351 Value ($000) $13,919 Avg Close $158.02 Range $135.11 - $201.69

Q3 2025

Shares 90,122 Value ($000) $12,833 Avg Close $137.70 Range $123.42 - $157.38

Q2 2025

Shares 102,021 Value ($000) $13,704 Avg Close $110.71 Range $81.63 - $135.41

Q1 2025

Shares 277,747 Value ($000) $27,555 Avg Close $126.18 Range $96.63 - $153.42

Q4 2024

Shares 443,249 Value ($000) $63,336 Avg Close $137.35 Range $113.08 - $170.08

Q3 2024

Shares 608,252 Value ($000) $69,985 Avg Close $116.83 Range $98.80 - $134.80

Q2 2024

Shares 401,556 Value ($000) $52,078 Avg Close $120.98 Range $107.30 - $132.90

Q1 2024

Shares 174,618 Value ($000) $21,583 Avg Close $125.70 Range $110.69 - $138.61

Q4 2023

Shares 232,959 Value ($000) $28,277 Avg Close $103.00 Range $77.81 - $124.69

Q3 2023

Shares 148,450 Value ($000) $13,522 Avg Close $98.92 Range $83.87 - $118.02

Q2 2023

Shares 40,032 Value ($000) $3,938 Avg Close $83.62 Range $62.60 - $103.80

Q1 2023

Shares 55,981 Value ($000) $4,068 Avg Close $73.42 Range $61.34 - $90.01

Q4 2022

Shares 100,136 Value ($000) $7,360 Avg Close $78.12 Range $66.45 - $97.31

Q3 2022

Shares 75,567 Value ($000) $6,709 Avg Close $100.71 Range $84.46 - $120.75

Q2 2022

Shares 83,450 Value ($000) $7,948 Avg Close $109.90 Range $81.12 - $159.00

Q1 2022

Shares 67,505 Value ($000) $10,226 Avg Close $146.28 Range $113.89 - $184.70

Q4 2021

Shares 55,617 Value ($000) $9,907 Avg Close $169.72 Range $134.63 - $199.68

Q3 2021

Shares 43,265 Value ($000) $6,117 Avg Close $126.28 Range $101.38 - $150.67

Q2 2021

Shares 20,031 Value ($000) $2,085 Avg Close $90.34 Range $69.73 - $107.40

Q1 2021

Shares 30,372 Value ($000) $2,532 Avg Close $96.41 Range $74.53 - $119.43

Q4 2020

Shares 29,212 Value ($000) $2,875 Avg Close $99.80 Range $79.76 - $118.13

Q3 2020

Shares 17,886 Value ($000) $1,827 Avg Close $87.05 Range $72.60 - $107.99

Q2 2020

Shares 4,881 Value ($000) $424 Avg Close $60.88 Range $33.04 - $93.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	102,351	$13,919	$158.02	$135.11 - $201.69
Q3 2025	90,122	$12,833	$137.70	$123.42 - $157.38
Q2 2025	102,021	$13,704	$110.71	$81.63 - $135.41
Q1 2025	277,747	$27,555	$126.18	$96.63 - $153.42
Q4 2024	443,249	$63,336	$137.35	$113.08 - $170.08
Q3 2024	608,252	$69,985	$116.83	$98.80 - $134.80
Q2 2024	401,556	$52,078	$120.98	$107.30 - $132.90
Q1 2024	174,618	$21,583	$125.70	$110.69 - $138.61
Q4 2023	232,959	$28,277	$103.00	$77.81 - $124.69
Q3 2023	148,450	$13,522	$98.92	$83.87 - $118.02
Q2 2023	40,032	$3,938	$83.62	$62.60 - $103.80
Q1 2023	55,981	$4,068	$73.42	$61.34 - $90.01
Q4 2022	100,136	$7,360	$78.12	$66.45 - $97.31
Q3 2022	75,567	$6,709	$100.71	$84.46 - $120.75
Q2 2022	83,450	$7,948	$109.90	$81.12 - $159.00
Q1 2022	67,505	$10,226	$146.28	$113.89 - $184.70
Q4 2021	55,617	$9,907	$169.72	$134.63 - $199.68
Q3 2021	43,265	$6,117	$126.28	$101.38 - $150.67
Q2 2021	20,031	$2,085	$90.34	$69.73 - $107.40
Q1 2021	30,372	$2,532	$96.41	$74.53 - $119.43
Q4 2020	29,212	$2,875	$99.80	$79.76 - $118.13
Q3 2020	17,886	$1,827	$87.05	$72.60 - $107.99
Q2 2020	4,881	$424	$60.88	$33.04 - $93.00