FORTINET INC

Ticker: FTNT CUSIP: 34959E109 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 160,633 Value ($000) $12,756 Avg Close $82.94 Range $75.31 - $87.66

Q3 2025

Shares 186,845 Value ($000) $15,710 Avg Close $89.23 Range $70.12 - $108.77

Q2 2025

Shares 202,463 Value ($000) $21,404 Avg Close $100.89 Range $81.70 - $109.33

Q1 2025

Shares 201,587 Value ($000) $19,405 Avg Close $101.38 Range $90.80 - $114.82

Q4 2024

Shares 213,270 Value ($000) $20,150 Avg Close $88.94 Range $76.00 - $100.59

Q3 2024

Shares 224,034 Value ($000) $17,374 Avg Close $68.31 Range $54.57 - $78.18

Q2 2024

Shares 225,350 Value ($000) $13,582 Avg Close $62.18 Range $57.00 - $73.63

Q1 2024

Shares 223,812 Value ($000) $15,289 Avg Close $66.57 Range $56.94 - $73.91

Q4 2023

Shares 216,900 Value ($000) $12,695 Avg Close $55.27 Range $44.12 - $60.60

Q3 2023

Shares 448,990 Value ($000) $26,347 Avg Close $66.20 Range $56.10 - $81.24

Q2 2023

Shares 477,694 Value ($000) $36,109 Avg Close $68.00 Range $60.33 - $76.27

Q1 2023

Shares 379,010 Value ($000) $25,189 Avg Close $56.85 Range $45.88 - $66.57

Q4 2022

Shares 310,106 Value ($000) $15,161 Avg Close $52.11 Range $42.61 - $58.29

Q3 2022

Shares 331,764 Value ($000) $16,300 Avg Close $54.17 Range $47.37 - $63.56

Q2 2022

Shares 300,774 Value ($000) $17,018 Avg Close $59.39 Range $48.73 - $71.52

Q1 2022

Shares 60,397 Value ($000) $20,640 Avg Close $62.17 Range $52.57 - $72.42

Q4 2021

Shares 70,898 Value ($000) $25,481 Avg Close $65.81 Range $56.95 - $74.35

Q3 2021

Shares 71,371 Value ($000) $20,843 Avg Close $57.90 Range $47.27 - $64.40

Q2 2021

Shares 67,182 Value ($000) $16,002 Avg Close $42.69 Range $37.09 - $49.47

Q1 2021

Shares 73,142 Value ($000) $13,489 Avg Close $32.72 Range $27.46 - $38.77

Q4 2020

Shares 69,137 Value ($000) $10,269 Avg Close $25.28 Range $21.35 - $30.67

Q3 2020

Shares 81,919 Value ($000) $9,651 Avg Close $25.83 Range $22.52 - $30.39

Q2 2020

Shares 80,233 Value ($000) $11,014 Avg Close $25.11 Range $19.20 - $29.94

Q1 2020

Shares 81,310 Value ($000) $8,226 Avg Close $21.43 Range $14.04 - $24.36

Q4 2019

Shares 68,619 Value ($000) $7,326 Avg Close $18.82 Range $14.91 - $22.06

Q3 2019

Shares 69,204 Value ($000) $5,312 Avg Close $16.23 Range $15.11 - $18.56

Q2 2019

Shares 68,730 Value ($000) $5,281 Avg Close $16.47 Range $13.77 - $19.39

Q1 2019

Shares 68,525 Value ($000) $5,754 Avg Close $15.94 Range $13.01 - $17.72

Q4 2018

Shares 78,094 Value ($000) $5,500 Avg Close $15.23 Range $12.88 - $18.87

Q3 2018

Shares 76,560 Value ($000) $7,064 Avg Close $15.29 Range $12.38 - $18.48

Q2 2018

Shares 81,496 Value ($000) $5,088 Avg Close $11.84 Range $10.41 - $13.26

Q1 2018

Shares 77,369 Value ($000) $4,145 Avg Close $9.74 Range $8.70 - $11.07

Q4 2017

Shares 80,634 Value ($000) $3,523 Avg Close $8.15 Range $7.18 - $9.13

Q3 2017

Shares 94,559 Value ($000) $3,389 Avg Close $7.59 Range $7.09 - $8.31

Q2 2017

Shares 111,861 Value ($000) $4,188 Avg Close $7.75 Range $7.15 - $8.27

Q1 2017

Shares 83,259 Value ($000) $3,110 Avg Close $7.07 Range $5.98 - $7.71

Q3 2016

Shares 6,048 Value ($000) $223 Avg Close $6.99 Range $6.18 - $7.46

Q2 2016

Shares 29,976 Value ($000) $947 Avg Close $6.48 Range $5.62 - $6.99

Q1 2016

Shares 28,492 Value ($000) $872 Avg Close $5.52 Range $4.63 - $6.20

Q4 2015

Shares 19,392 Value ($000) $604 Avg Close $7.18 Range $5.97 - $8.93

Q3 2015

Shares 31,892 Value ($000) $1,354 Avg Close $8.85 Range $7.00 - $10.06

Q2 2015

Shares 54,306 Value ($000) $2,244 Avg Close $7.77 Range $6.68 - $8.82

Q1 2015

Shares 62,893 Value ($000) $2,198 Avg Close $6.53 Range $5.71 - $7.14

Q4 2014

Shares 22,018 Value ($000) $675 Avg Close $5.39 Range $4.62 - $6.30

Q3 2014

Shares 21,854 Value ($000) $552 Avg Close $5.05 Range $4.61 - $5.37

Q2 2014

Shares 25,337 Value ($000) $636 Avg Close $4.48 Range $4.01 - $5.03

Q1 2014

Shares 23,637 Value ($000) $520 Avg Close $4.37 Range $3.79 - $4.79

Q4 2013

Shares 41,337 Value ($000) $790 Avg Close $3.90 Range $3.26 - $4.49

Q3 2013

Shares 20,287 Value ($000) $411 Avg Close $4.05 Range $3.41 - $4.42

Q2 2013

Shares 23,411 Value ($000) $409 Avg Close $3.73 Range $3.29 - $4.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	160,633	$12,756	$82.94	$75.31 - $87.66
Q3 2025	186,845	$15,710	$89.23	$70.12 - $108.77
Q2 2025	202,463	$21,404	$100.89	$81.70 - $109.33
Q1 2025	201,587	$19,405	$101.38	$90.80 - $114.82
Q4 2024	213,270	$20,150	$88.94	$76.00 - $100.59
Q3 2024	224,034	$17,374	$68.31	$54.57 - $78.18
Q2 2024	225,350	$13,582	$62.18	$57.00 - $73.63
Q1 2024	223,812	$15,289	$66.57	$56.94 - $73.91
Q4 2023	216,900	$12,695	$55.27	$44.12 - $60.60
Q3 2023	448,990	$26,347	$66.20	$56.10 - $81.24
Q2 2023	477,694	$36,109	$68.00	$60.33 - $76.27
Q1 2023	379,010	$25,189	$56.85	$45.88 - $66.57
Q4 2022	310,106	$15,161	$52.11	$42.61 - $58.29
Q3 2022	331,764	$16,300	$54.17	$47.37 - $63.56
Q2 2022	300,774	$17,018	$59.39	$48.73 - $71.52
Q1 2022	60,397	$20,640	$62.17	$52.57 - $72.42
Q4 2021	70,898	$25,481	$65.81	$56.95 - $74.35
Q3 2021	71,371	$20,843	$57.90	$47.27 - $64.40
Q2 2021	67,182	$16,002	$42.69	$37.09 - $49.47
Q1 2021	73,142	$13,489	$32.72	$27.46 - $38.77
Q4 2020	69,137	$10,269	$25.28	$21.35 - $30.67
Q3 2020	81,919	$9,651	$25.83	$22.52 - $30.39
Q2 2020	80,233	$11,014	$25.11	$19.20 - $29.94
Q1 2020	81,310	$8,226	$21.43	$14.04 - $24.36
Q4 2019	68,619	$7,326	$18.82	$14.91 - $22.06
Q3 2019	69,204	$5,312	$16.23	$15.11 - $18.56
Q2 2019	68,730	$5,281	$16.47	$13.77 - $19.39
Q1 2019	68,525	$5,754	$15.94	$13.01 - $17.72
Q4 2018	78,094	$5,500	$15.23	$12.88 - $18.87
Q3 2018	76,560	$7,064	$15.29	$12.38 - $18.48
Q2 2018	81,496	$5,088	$11.84	$10.41 - $13.26
Q1 2018	77,369	$4,145	$9.74	$8.70 - $11.07
Q4 2017	80,634	$3,523	$8.15	$7.18 - $9.13
Q3 2017	94,559	$3,389	$7.59	$7.09 - $8.31
Q2 2017	111,861	$4,188	$7.75	$7.15 - $8.27
Q1 2017	83,259	$3,110	$7.07	$5.98 - $7.71
Q3 2016	6,048	$223	$6.99	$6.18 - $7.46
Q2 2016	29,976	$947	$6.48	$5.62 - $6.99
Q1 2016	28,492	$872	$5.52	$4.63 - $6.20
Q4 2015	19,392	$604	$7.18	$5.97 - $8.93
Q3 2015	31,892	$1,354	$8.85	$7.00 - $10.06
Q2 2015	54,306	$2,244	$7.77	$6.68 - $8.82
Q1 2015	62,893	$2,198	$6.53	$5.71 - $7.14
Q4 2014	22,018	$675	$5.39	$4.62 - $6.30
Q3 2014	21,854	$552	$5.05	$4.61 - $5.37
Q2 2014	25,337	$636	$4.48	$4.01 - $5.03
Q1 2014	23,637	$520	$4.37	$3.79 - $4.79
Q4 2013	41,337	$790	$3.90	$3.26 - $4.49
Q3 2013	20,287	$411	$4.05	$3.41 - $4.42
Q2 2013	23,411	$409	$3.73	$3.29 - $4.71