BIO-TECHNE CORP

Ticker: TECH CUSIP: 09073M104 Class: EQTY

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

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

Q4 2025

Shares 228,812 Value ($000) $13,456 Avg Close $60.72 Range $54.13 - $66.87

Q3 2025

Shares 150,089 Value ($000) $8,349 Avg Close $53.45 Range $47.52 - $59.89

Q2 2025

Shares 98,866 Value ($000) $5,087 Avg Close $50.06 Range $45.80 - $58.49

Q1 2025

Shares 101,995 Value ($000) $5,980 Avg Close $67.42 Range $56.35 - $78.83

Q4 2024

Shares 114,129 Value ($000) $8,221 Avg Close $72.98 Range $65.24 - $80.26

Q3 2024

Shares 104,670 Value ($000) $8,366 Avg Close $74.60 Range $69.60 - $82.97

Q2 2024

Shares 103,118 Value ($000) $7,388 Avg Close $72.99 Range $60.62 - $84.91

Q1 2024

Shares 99,280 Value ($000) $6,988 Avg Close $70.89 Range $64.33 - $78.06

Q4 2023

Shares 120,603 Value ($000) $9,306 Avg Close $65.18 Range $51.21 - $77.96

Q3 2023

Shares 120,833 Value ($000) $8,225 Avg Close $78.07 Range $65.84 - $88.81

Q2 2023

Shares 121,595 Value ($000) $9,926 Avg Close $79.36 Range $71.21 - $86.05

Q1 2023

Shares 114,661 Value ($000) $8,507 Avg Close $76.02 Range $68.89 - $87.58

Q4 2022

Shares 114,308 Value ($000) $9,474 Avg Close $78.25 Range $66.97 - $89.34

Q3 2022

Shares 28,365 Value ($000) $8,056 Avg Close $85.06 Range $69.28 - $97.74

Q2 2022

Shares 32,981 Value ($000) $11,433 Avg Close $92.17 Range $78.24 - $111.87

Q1 2022

Shares 37,102 Value ($000) $16,067 Avg Close $101.38 Range $85.43 - $127.46

Q4 2021

Shares 36,637 Value ($000) $18,954 Avg Close $120.38 Range $110.44 - $130.51

Q3 2021

Shares 38,173 Value ($000) $18,498 Avg Close $119.43 Range $107.71 - $133.47

Q2 2021

Shares 38,367 Value ($000) $17,275 Avg Close $103.21 Range $93.63 - $111.29

Q1 2021

Shares 40,196 Value ($000) $15,352 Avg Close $89.39 Range $76.05 - $101.69

Q4 2020

Shares 43,984 Value ($000) $13,967 Avg Close $70.89 Range $60.13 - $79.93

Q3 2020

Shares 41,109 Value ($000) $10,184 Avg Close $63.60 Range $55.93 - $70.03

Q2 2020

Shares 46,990 Value ($000) $12,409 Avg Close $58.49 Range $43.96 - $69.01

Q1 2020

Shares 46,699 Value ($000) $8,855 Avg Close $48.78 Range $37.86 - $54.39

Q4 2019

Shares 47,087 Value ($000) $10,336 Avg Close $51.09 Range $45.54 - $54.39

Q3 2019

Shares 47,764 Value ($000) $9,346 Avg Close $48.74 Range $43.36 - $52.73

Q2 2019

Shares 48,142 Value ($000) $10,037 Avg Close $48.91 Range $43.73 - $52.56

Q1 2019

Shares 50,332 Value ($000) $9,993 Avg Close $43.61 Range $32.57 - $48.83

Q4 2018

Shares 48,385 Value ($000) $7,002 Avg Close $40.40 Range $32.13 - $49.71

Q3 2018

Shares 46,968 Value ($000) $9,587 Avg Close $42.77 Range $35.26 - $49.78

Q2 2018

Shares 46,618 Value ($000) $6,897 Avg Close $36.80 Range $34.33 - $40.23

Q1 2018

Shares 46,253 Value ($000) $6,986 Avg Close $33.97 Range $30.75 - $36.55

Q4 2017

Shares 47,028 Value ($000) $6,092 Avg Close $30.48 Range $28.89 - $32.75

Q3 2017

Shares 45,128 Value ($000) $5,456 Avg Close $28.39 Range $26.83 - $29.70

Q2 2017

Shares 46,808 Value ($000) $5,500 Avg Close $26.08 Range $23.39 - $28.66

Q1 2017

Shares 45,112 Value ($000) $4,593 Avg Close $24.55 Range $22.72 - $25.86

Q4 2016

Shares 44,987 Value ($000) $4,626 Avg Close $24.92 Range $23.41 - $26.55

Q3 2016

Shares 44,237 Value ($000) $4,844 Avg Close $25.95 Range $24.60 - $27.71

Q2 2016

Shares 43,407 Value ($000) $4,895 Avg Close $24.23 Range $21.51 - $27.04

Q1 2016

Shares 46,526 Value ($000) $4,397 Avg Close $20.69 Range $18.73 - $22.78

Q4 2015

Shares 46,628 Value ($000) $4,196 Avg Close $21.34 Range $19.59 - $22.60

Q3 2015

Shares 46,928 Value ($000) $4,338 Avg Close $23.38 Range $20.43 - $26.67

Q2 2015

Shares 1,272,239 Value ($000) $125,277 Avg Close $23.21 Range $22.13 - $24.11

Q1 2015

Shares 1,274,548 Value ($000) $127,824 Avg Close $22.03 Range $20.17 - $23.57

Q4 2014

Shares 1,269,034 Value ($000) $117,258 Avg Close $21.13 Range $19.82 - $22.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	228,812	$13,456	$60.72	$54.13 - $66.87
Q3 2025	150,089	$8,349	$53.45	$47.52 - $59.89
Q2 2025	98,866	$5,087	$50.06	$45.80 - $58.49
Q1 2025	101,995	$5,980	$67.42	$56.35 - $78.83
Q4 2024	114,129	$8,221	$72.98	$65.24 - $80.26
Q3 2024	104,670	$8,366	$74.60	$69.60 - $82.97
Q2 2024	103,118	$7,388	$72.99	$60.62 - $84.91
Q1 2024	99,280	$6,988	$70.89	$64.33 - $78.06
Q4 2023	120,603	$9,306	$65.18	$51.21 - $77.96
Q3 2023	120,833	$8,225	$78.07	$65.84 - $88.81
Q2 2023	121,595	$9,926	$79.36	$71.21 - $86.05
Q1 2023	114,661	$8,507	$76.02	$68.89 - $87.58
Q4 2022	114,308	$9,474	$78.25	$66.97 - $89.34
Q3 2022	28,365	$8,056	$85.06	$69.28 - $97.74
Q2 2022	32,981	$11,433	$92.17	$78.24 - $111.87
Q1 2022	37,102	$16,067	$101.38	$85.43 - $127.46
Q4 2021	36,637	$18,954	$120.38	$110.44 - $130.51
Q3 2021	38,173	$18,498	$119.43	$107.71 - $133.47
Q2 2021	38,367	$17,275	$103.21	$93.63 - $111.29
Q1 2021	40,196	$15,352	$89.39	$76.05 - $101.69
Q4 2020	43,984	$13,967	$70.89	$60.13 - $79.93
Q3 2020	41,109	$10,184	$63.60	$55.93 - $70.03
Q2 2020	46,990	$12,409	$58.49	$43.96 - $69.01
Q1 2020	46,699	$8,855	$48.78	$37.86 - $54.39
Q4 2019	47,087	$10,336	$51.09	$45.54 - $54.39
Q3 2019	47,764	$9,346	$48.74	$43.36 - $52.73
Q2 2019	48,142	$10,037	$48.91	$43.73 - $52.56
Q1 2019	50,332	$9,993	$43.61	$32.57 - $48.83
Q4 2018	48,385	$7,002	$40.40	$32.13 - $49.71
Q3 2018	46,968	$9,587	$42.77	$35.26 - $49.78
Q2 2018	46,618	$6,897	$36.80	$34.33 - $40.23
Q1 2018	46,253	$6,986	$33.97	$30.75 - $36.55
Q4 2017	47,028	$6,092	$30.48	$28.89 - $32.75
Q3 2017	45,128	$5,456	$28.39	$26.83 - $29.70
Q2 2017	46,808	$5,500	$26.08	$23.39 - $28.66
Q1 2017	45,112	$4,593	$24.55	$22.72 - $25.86
Q4 2016	44,987	$4,626	$24.92	$23.41 - $26.55
Q3 2016	44,237	$4,844	$25.95	$24.60 - $27.71
Q2 2016	43,407	$4,895	$24.23	$21.51 - $27.04
Q1 2016	46,526	$4,397	$20.69	$18.73 - $22.78
Q4 2015	46,628	$4,196	$21.34	$19.59 - $22.60
Q3 2015	46,928	$4,338	$23.38	$20.43 - $26.67
Q2 2015	1,272,239	$125,277	$23.21	$22.13 - $24.11
Q1 2015	1,274,548	$127,824	$22.03	$20.17 - $23.57
Q4 2014	1,269,034	$117,258	$21.13	$19.82 - $22.17