F5 NETWORKS INC

Ticker: FFIV CUSIP: 315616102 Class: EQTY

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

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

Q4 2025

Shares 275,676 Value ($000) $70,369 Avg Close $269.03 Range $223.76 - $346.00

Q3 2025

Shares 839,561 Value ($000) $271,338 Avg Close $313.03 Range $288.76 - $337.39

Q2 2025

Shares 789,283 Value ($000) $232,302 Avg Close $276.25 Range $227.04 - $301.83

Q1 2025

Shares 560,493 Value ($000) $149,242 Avg Close $279.63 Range $249.68 - $313.00

Q4 2024

Shares 266,443 Value ($000) $67,002 Avg Close $239.08 Range $213.24 - $264.50

Q3 2024

Shares 204,506 Value ($000) $45,032 Avg Close $193.86 Range $169.55 - $223.74

Q2 2024

Shares 185,767 Value ($000) $31,995 Avg Close $174.87 Range $159.01 - $196.35

Q1 2024

Shares 310,070 Value ($000) $58,786 Avg Close $184.50 Range $171.05 - $199.49

Q4 2023

Shares 217,388 Value ($000) $38,908 Avg Close $163.14 Range $145.45 - $180.70

Q3 2023

Shares 214,486 Value ($000) $34,562 Avg Close $156.39 Range $142.16 - $167.89

Q2 2023

Shares 190,805 Value ($000) $27,907 Avg Close $142.17 Range $127.05 - $154.04

Q1 2023

Shares 202,499 Value ($000) $29,502 Avg Close $144.34 Range $135.49 - $159.95

Q4 2022

Shares 207,934 Value ($000) $29,841 Avg Close $146.39 Range $133.68 - $159.96

Q3 2022

Shares 209,932 Value ($000) $30,385 Avg Close $158.37 Range $141.91 - $174.38

Q2 2022

Shares 318,917 Value ($000) $48,806 Avg Close $173.93 Range $147.47 - $215.28

Q1 2022

Shares 353,629 Value ($000) $73,889 Avg Close $209.87 Range $188.50 - $245.59

Q4 2021

Shares 351,659 Value ($000) $86,055 Avg Close $221.99 Range $193.50 - $249.00

Q3 2021

Shares 168,568 Value ($000) $33,508 Avg Close $199.96 Range $181.98 - $215.56

Q2 2021

Shares 75,007 Value ($000) $13,999 Avg Close $192.34 Range $174.34 - $216.15

Q1 2021

Shares 67,996 Value ($000) $14,184 Avg Close $196.97 Range $173.41 - $215.91

Q4 2020

Shares 33,786 Value ($000) $5,943 Avg Close $151.81 Range $121.77 - $178.09

Q3 2020

Shares 37,476 Value ($000) $4,603 Avg Close $134.49 Range $116.79 - $156.36

Q2 2020

Shares 70,647 Value ($000) $9,855 Avg Close $134.64 Range $101.42 - $153.56

Q1 2020

Shares 103,269 Value ($000) $11,012 Avg Close $122.31 Range $79.78 - $141.31

Q4 2019

Shares 140,835 Value ($000) $19,669 Avg Close $140.86 Range $128.51 - $153.00

Q3 2019

Shares 154,281 Value ($000) $21,667 Avg Close $138.28 Range $121.36 - $153.99

Q2 2019

Shares 180,837 Value ($000) $26,336 Avg Close $149.71 Range $131.53 - $168.94

Q1 2019

Shares 684,314 Value ($000) $107,388 Avg Close $160.92 Range $148.91 - $173.44

Q4 2018

Shares 695,676 Value ($000) $112,620 Avg Close $171.58 Range $149.87 - $195.41

Q3 2018

Shares 639,008 Value ($000) $127,430 Avg Close $183.01 Range $168.77 - $199.71

Q2 2018

Shares 268,181 Value ($000) $46,250 Avg Close $166.71 Range $138.67 - $183.27

Q1 2018

Shares 134,608 Value ($000) $19,466 Avg Close $143.36 Range $131.31 - $153.91

Q4 2017

Shares 90,553 Value ($000) $11,882 Avg Close $124.22 Range $114.63 - $136.35

Q3 2017

Shares 52,491 Value ($000) $6,329 Avg Close $120.71 Range $114.76 - $130.00

Q2 2017

Shares 43,897 Value ($000) $5,579 Avg Close $131.00 Range $124.27 - $142.92

Q1 2017

Shares 26,620 Value ($000) $3,796 Avg Close $142.67 Range $130.61 - $149.50

Q4 2016

Shares 18,579 Value ($000) $2,691 Avg Close $135.48 Range $114.45 - $148.34

Q3 2016

Shares 11,461 Value ($000) $1,428 Avg Close $121.40 Range $110.86 - $127.13

Q4 2015

Shares 3,343 Value ($000) $324 Avg Close $108.10 Range $94.51 - $123.25

Q3 2015

Shares 13,026 Value ($000) $1,510 Avg Close $122.44 Range $111.43 - $135.20

Q2 2015

Shares 13,026 Value ($000) $1,569 Avg Close $122.95 Range $111.33 - $128.08

Q1 2015

Shares 13,063 Value ($000) $1,502 Avg Close $117.67 Range $108.60 - $132.99

Q4 2014

Shares 11,746 Value ($000) $1,532 Avg Close $124.66 Range $106.82 - $136.11

Q3 2014

Shares 51,068 Value ($000) $6,065 Avg Close $117.47 Range $108.03 - $128.30

Q2 2014

Shares 67,722 Value ($000) $7,547 Avg Close $107.63 Range $99.26 - $114.14

Q1 2014

Shares 61,043 Value ($000) $6,509 Avg Close $105.80 Range $87.47 - $116.71

Q4 2013

Shares 67,007 Value ($000) $6,088 Avg Close $85.18 Range $78.14 - $93.25

Q3 2013

Shares 32,412 Value ($000) $2,780 Avg Close $85.01 Range $68.22 - $94.66

Q2 2013

Shares 863,019 Value ($000) $59,375 Avg Close $76.95 Range $67.53 - $92.57

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	275,676	$70,369	$269.03	$223.76 - $346.00
Q3 2025	839,561	$271,338	$313.03	$288.76 - $337.39
Q2 2025	789,283	$232,302	$276.25	$227.04 - $301.83
Q1 2025	560,493	$149,242	$279.63	$249.68 - $313.00
Q4 2024	266,443	$67,002	$239.08	$213.24 - $264.50
Q3 2024	204,506	$45,032	$193.86	$169.55 - $223.74
Q2 2024	185,767	$31,995	$174.87	$159.01 - $196.35
Q1 2024	310,070	$58,786	$184.50	$171.05 - $199.49
Q4 2023	217,388	$38,908	$163.14	$145.45 - $180.70
Q3 2023	214,486	$34,562	$156.39	$142.16 - $167.89
Q2 2023	190,805	$27,907	$142.17	$127.05 - $154.04
Q1 2023	202,499	$29,502	$144.34	$135.49 - $159.95
Q4 2022	207,934	$29,841	$146.39	$133.68 - $159.96
Q3 2022	209,932	$30,385	$158.37	$141.91 - $174.38
Q2 2022	318,917	$48,806	$173.93	$147.47 - $215.28
Q1 2022	353,629	$73,889	$209.87	$188.50 - $245.59
Q4 2021	351,659	$86,055	$221.99	$193.50 - $249.00
Q3 2021	168,568	$33,508	$199.96	$181.98 - $215.56
Q2 2021	75,007	$13,999	$192.34	$174.34 - $216.15
Q1 2021	67,996	$14,184	$196.97	$173.41 - $215.91
Q4 2020	33,786	$5,943	$151.81	$121.77 - $178.09
Q3 2020	37,476	$4,603	$134.49	$116.79 - $156.36
Q2 2020	70,647	$9,855	$134.64	$101.42 - $153.56
Q1 2020	103,269	$11,012	$122.31	$79.78 - $141.31
Q4 2019	140,835	$19,669	$140.86	$128.51 - $153.00
Q3 2019	154,281	$21,667	$138.28	$121.36 - $153.99
Q2 2019	180,837	$26,336	$149.71	$131.53 - $168.94
Q1 2019	684,314	$107,388	$160.92	$148.91 - $173.44
Q4 2018	695,676	$112,620	$171.58	$149.87 - $195.41
Q3 2018	639,008	$127,430	$183.01	$168.77 - $199.71
Q2 2018	268,181	$46,250	$166.71	$138.67 - $183.27
Q1 2018	134,608	$19,466	$143.36	$131.31 - $153.91
Q4 2017	90,553	$11,882	$124.22	$114.63 - $136.35
Q3 2017	52,491	$6,329	$120.71	$114.76 - $130.00
Q2 2017	43,897	$5,579	$131.00	$124.27 - $142.92
Q1 2017	26,620	$3,796	$142.67	$130.61 - $149.50
Q4 2016	18,579	$2,691	$135.48	$114.45 - $148.34
Q3 2016	11,461	$1,428	$121.40	$110.86 - $127.13
Q4 2015	3,343	$324	$108.10	$94.51 - $123.25
Q3 2015	13,026	$1,510	$122.44	$111.43 - $135.20
Q2 2015	13,026	$1,569	$122.95	$111.33 - $128.08
Q1 2015	13,063	$1,502	$117.67	$108.60 - $132.99
Q4 2014	11,746	$1,532	$124.66	$106.82 - $136.11
Q3 2014	51,068	$6,065	$117.47	$108.03 - $128.30
Q2 2014	67,722	$7,547	$107.63	$99.26 - $114.14
Q1 2014	61,043	$6,509	$105.80	$87.47 - $116.71
Q4 2013	67,007	$6,088	$85.18	$78.14 - $93.25
Q3 2013	32,412	$2,780	$85.01	$68.22 - $94.66
Q2 2013	863,019	$59,375	$76.95	$67.53 - $92.57