THERMO FISHER SCIENTIFIC INC

Ticker: TMO CUSIP: 883556102 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 199,535 Value ($000) $115,621 Avg Close $565.16 Range $486.57 - $601.87

Q3 2025

Shares 203,105 Value ($000) $98,510 Avg Close $464.78 Range $402.70 - $501.56

Q2 2025

Shares 207,660 Value ($000) $84,198 Avg Close $417.06 Range $384.82 - $495.18

Q1 2025

Shares 229,094 Value ($000) $113,997 Avg Close $539.78 Range $482.97 - $608.82

Q4 2024

Shares 220,812 Value ($000) $114,873 Avg Close $547.53 Range $491.20 - $617.36

Q3 2024

Shares 228,730 Value ($000) $141,486 Avg Close $589.13 Range $525.78 - $624.81

Q2 2024

Shares 307,182 Value ($000) $169,872 Avg Close $569.75 Range $526.69 - $598.64

Q1 2024

Shares 371,611 Value ($000) $215,984 Avg Close $557.71 Range $524.04 - $600.06

Q4 2023

Shares 374,752 Value ($000) $198,915 Avg Close $480.76 Range $412.73 - $532.66

Q3 2023

Shares 376,078 Value ($000) $190,359 Avg Close $528.90 Range $491.51 - $575.69

Q2 2023

Shares 369,697 Value ($000) $192,889 Avg Close $535.25 Range $494.39 - $588.28

Q1 2023

Shares 323,925 Value ($000) $186,701 Avg Close $558.70 Range $518.14 - $604.43

Q4 2022

Shares 330,572 Value ($000) $182,043 Avg Close $524.96 Range $471.30 - $579.21

Q3 2022

Shares 361,283 Value ($000) $183,239 Avg Close $554.13 Range $500.83 - $604.99

Q2 2022

Shares 396,539 Value ($000) $215,432 Avg Close $544.70 Range $492.89 - $611.86

Q1 2022

Shares 407,360 Value ($000) $240,607 Avg Close $568.16 Range $508.25 - $656.92

Q4 2021

Shares 450,917 Value ($000) $300,870 Avg Close $617.25 Range $545.68 - $664.90

Q3 2021

Shares 464,772 Value ($000) $265,538 Avg Close $542.36 Range $497.26 - $609.86

Q2 2021

Shares 494,801 Value ($000) $249,612 Avg Close $466.00 Range $433.25 - $504.51

Q1 2021

Shares 502,505 Value ($000) $229,333 Avg Close $471.13 Range $427.86 - $519.72

Q4 2020

Shares 422,613 Value ($000) $196,845 Avg Close $462.59 Range $427.16 - $525.38

Q3 2020

Shares 447,483 Value ($000) $197,573 Avg Close $407.40 Range $352.00 - $438.79

Q2 2020

Shares 465,868 Value ($000) $168,803 Avg Close $330.32 Range $266.44 - $358.87

Q1 2020

Shares 460,479 Value ($000) $130,592 Avg Close $310.51 Range $246.54 - $336.98

Q4 2019

Shares 533,756 Value ($000) $173,401 Avg Close $298.40 Range $266.00 - $325.05

Q3 2019

Shares 544,246 Value ($000) $158,523 Avg Close $281.62 Range $262.06 - $300.37

Q2 2019

Shares 540,183 Value ($000) $158,641 Avg Close $270.70 Range $248.84 - $293.42

Q1 2019

Shares 580,058 Value ($000) $158,773 Avg Close $244.42 Range $206.29 - $269.21

Q4 2018

Shares 583,305 Value ($000) $130,538 Avg Close $230.26 Range $204.59 - $249.16

Q3 2018

Shares 544,735 Value ($000) $132,959 Avg Close $225.62 Range $199.95 - $240.42

Q2 2018

Shares 528,776 Value ($000) $109,531 Avg Close $208.02 Range $195.82 - $217.41

Q1 2018

Shares 558,434 Value ($000) $115,294 Avg Close $205.54 Range $186.40 - $221.70

Q4 2017

Shares 633,861 Value ($000) $120,358 Avg Close $187.44 Range $177.57 - $196.84

Q3 2017

Shares 618,966 Value ($000) $117,108 Avg Close $177.07 Range $166.25 - $189.94

Q2 2017

Shares 598,103 Value ($000) $104,351 Avg Close $164.09 Range $148.20 - $172.95

Q1 2017

Shares 504,723 Value ($000) $77,525 Avg Close $149.18 Range $136.61 - $157.89

Q4 2016

Shares 452,174 Value ($000) $63,802 Avg Close $143.74 Range $135.56 - $156.06

Q3 2016

Shares 525,142 Value ($000) $83,529 Avg Close $150.09 Range $139.26 - $156.47

Q2 2016

Shares 514,252 Value ($000) $75,986 Avg Close $143.61 Range $136.38 - $150.60

Q1 2016

Shares 559,452 Value ($000) $79,213 Avg Close $130.26 Range $116.37 - $138.34

Q4 2015

Shares 711,232 Value ($000) $100,888 Avg Close $129.50 Range $116.40 - $139.59

Q3 2015

Shares 547,312 Value ($000) $66,925 Avg Close $126.34 Range $113.67 - $136.94

Q2 2015

Shares 508,542 Value ($000) $65,988 Avg Close $126.27 Range $121.29 - $130.90

Q1 2015

Shares 582,932 Value ($000) $78,311 Avg Close $124.72 Range $117.56 - $134.63

Q4 2014

Shares 487,222 Value ($000) $61,044 Avg Close $117.50 Range $103.69 - $125.37

Q3 2014

Shares 439,462 Value ($000) $53,483 Avg Close $117.35 Range $112.28 - $122.75

Q2 2014

Shares 437,482 Value ($000) $51,623 Avg Close $113.45 Range $107.95 - $118.89

Q1 2014

Shares 419,472 Value ($000) $50,437 Avg Close $114.47 Range $105.00 - $122.85

Q4 2013

Shares 346,282 Value ($000) $38,558 Avg Close $95.60 Range $86.22 - $107.27

Q3 2013

Shares 330,922 Value ($000) $30,494 Avg Close $86.81 Range $81.00 - $91.06

Q2 2013

Shares 351,372 Value ($000) $29,737 Avg Close $79.76 Range $72.10 - $85.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	199,535	$115,621	$565.16	$486.57 - $601.87
Q3 2025	203,105	$98,510	$464.78	$402.70 - $501.56
Q2 2025	207,660	$84,198	$417.06	$384.82 - $495.18
Q1 2025	229,094	$113,997	$539.78	$482.97 - $608.82
Q4 2024	220,812	$114,873	$547.53	$491.20 - $617.36
Q3 2024	228,730	$141,486	$589.13	$525.78 - $624.81
Q2 2024	307,182	$169,872	$569.75	$526.69 - $598.64
Q1 2024	371,611	$215,984	$557.71	$524.04 - $600.06
Q4 2023	374,752	$198,915	$480.76	$412.73 - $532.66
Q3 2023	376,078	$190,359	$528.90	$491.51 - $575.69
Q2 2023	369,697	$192,889	$535.25	$494.39 - $588.28
Q1 2023	323,925	$186,701	$558.70	$518.14 - $604.43
Q4 2022	330,572	$182,043	$524.96	$471.30 - $579.21
Q3 2022	361,283	$183,239	$554.13	$500.83 - $604.99
Q2 2022	396,539	$215,432	$544.70	$492.89 - $611.86
Q1 2022	407,360	$240,607	$568.16	$508.25 - $656.92
Q4 2021	450,917	$300,870	$617.25	$545.68 - $664.90
Q3 2021	464,772	$265,538	$542.36	$497.26 - $609.86
Q2 2021	494,801	$249,612	$466.00	$433.25 - $504.51
Q1 2021	502,505	$229,333	$471.13	$427.86 - $519.72
Q4 2020	422,613	$196,845	$462.59	$427.16 - $525.38
Q3 2020	447,483	$197,573	$407.40	$352.00 - $438.79
Q2 2020	465,868	$168,803	$330.32	$266.44 - $358.87
Q1 2020	460,479	$130,592	$310.51	$246.54 - $336.98
Q4 2019	533,756	$173,401	$298.40	$266.00 - $325.05
Q3 2019	544,246	$158,523	$281.62	$262.06 - $300.37
Q2 2019	540,183	$158,641	$270.70	$248.84 - $293.42
Q1 2019	580,058	$158,773	$244.42	$206.29 - $269.21
Q4 2018	583,305	$130,538	$230.26	$204.59 - $249.16
Q3 2018	544,735	$132,959	$225.62	$199.95 - $240.42
Q2 2018	528,776	$109,531	$208.02	$195.82 - $217.41
Q1 2018	558,434	$115,294	$205.54	$186.40 - $221.70
Q4 2017	633,861	$120,358	$187.44	$177.57 - $196.84
Q3 2017	618,966	$117,108	$177.07	$166.25 - $189.94
Q2 2017	598,103	$104,351	$164.09	$148.20 - $172.95
Q1 2017	504,723	$77,525	$149.18	$136.61 - $157.89
Q4 2016	452,174	$63,802	$143.74	$135.56 - $156.06
Q3 2016	525,142	$83,529	$150.09	$139.26 - $156.47
Q2 2016	514,252	$75,986	$143.61	$136.38 - $150.60
Q1 2016	559,452	$79,213	$130.26	$116.37 - $138.34
Q4 2015	711,232	$100,888	$129.50	$116.40 - $139.59
Q3 2015	547,312	$66,925	$126.34	$113.67 - $136.94
Q2 2015	508,542	$65,988	$126.27	$121.29 - $130.90
Q1 2015	582,932	$78,311	$124.72	$117.56 - $134.63
Q4 2014	487,222	$61,044	$117.50	$103.69 - $125.37
Q3 2014	439,462	$53,483	$117.35	$112.28 - $122.75
Q2 2014	437,482	$51,623	$113.45	$107.95 - $118.89
Q1 2014	419,472	$50,437	$114.47	$105.00 - $122.85
Q4 2013	346,282	$38,558	$95.60	$86.22 - $107.27
Q3 2013	330,922	$30,494	$86.81	$81.00 - $91.06
Q2 2013	351,372	$29,737	$79.76	$72.10 - $85.73