THERMO FISHER SCIENTIFIC INC

Ticker: TMO CUSIP: 883556102 Class: COM

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025

Shares 587,848 Value ($000) $340,629 Avg Close $565.16 Range $486.57 - $601.87

Q3 2025

Shares 601,554 Value ($000) $291,766 Avg Close $464.78 Range $402.70 - $501.56

Q2 2025

Shares 602,031 Value ($000) $244,099 Avg Close $417.06 Range $384.82 - $495.18

Q1 2025

Shares 599,769 Value ($000) $298,445 Avg Close $539.78 Range $482.97 - $608.82

Q4 2024

Shares 603,622 Value ($000) $314,022 Avg Close $547.53 Range $491.20 - $617.36

Q3 2024

Shares 621,783 Value ($000) $384,616 Avg Close $589.13 Range $525.78 - $624.81

Q2 2024

Shares 622,534 Value ($000) $344,261 Avg Close $569.75 Range $526.69 - $598.64

Q1 2024

Shares 628,530 Value ($000) $365,308 Avg Close $557.71 Range $524.04 - $600.06

Q4 2023

Shares 622,790 Value ($000) $330,571 Avg Close $480.76 Range $412.73 - $532.66

Q3 2023

Shares 614,661 Value ($000) $311,123 Avg Close $528.90 Range $491.51 - $575.69

Q2 2023

Shares 639,071 Value ($000) $333,435 Avg Close $535.25 Range $494.39 - $588.28

Q1 2023

Shares 663,172 Value ($000) $382,232 Avg Close $558.70 Range $518.14 - $604.43

Q4 2022

Shares 669,076 Value ($000) $368,453 Avg Close $524.96 Range $471.30 - $579.21

Q3 2022

Shares 659,049 Value ($000) $334,263 Avg Close $554.13 Range $500.83 - $604.99

Q2 2022

Shares 665,936 Value ($000) $361,790 Avg Close $544.70 Range $492.89 - $611.86

Q1 2022

Shares 669,326 Value ($000) $395,337 Avg Close $568.16 Range $508.25 - $656.92

Q4 2021

Shares 708,079 Value ($000) $472,459 Avg Close $617.25 Range $545.68 - $664.90

Q3 2021

Shares 703,739 Value ($000) $402,067 Avg Close $542.36 Range $497.26 - $609.86

Q2 2021

Shares 714,068 Value ($000) $360,226 Avg Close $466.00 Range $433.25 - $504.51

Q1 2021

Shares 764,409 Value ($000) $348,861 Avg Close $471.13 Range $427.86 - $519.72

Q4 2020

Shares 770,075 Value ($000) $358,686 Avg Close $462.59 Range $427.16 - $525.38

Q3 2020

Shares 752,699 Value ($000) $332,332 Avg Close $407.40 Range $352.00 - $438.79

Q2 2020

Shares 753,202 Value ($000) $272,915 Avg Close $330.32 Range $266.44 - $358.87

Q1 2020

Shares 773,019 Value ($000) $219,228 Avg Close $310.51 Range $246.54 - $336.98

Q4 2019

Shares 774,898 Value ($000) $251,741 Avg Close $298.40 Range $266.00 - $325.05

Q3 2019

Shares 721,001 Value ($000) $210,006 Avg Close $281.62 Range $262.06 - $300.37

Q2 2019

Shares 714,177 Value ($000) $209,740 Avg Close $270.70 Range $248.84 - $293.42

Q1 2019

Shares 668,407 Value ($000) $182,956 Avg Close $244.42 Range $206.29 - $269.21

Q4 2018

Shares 680,803 Value ($000) $152,357 Avg Close $230.26 Range $204.59 - $249.16

Q3 2018

Shares 682,490 Value ($000) $166,582 Avg Close $225.62 Range $199.95 - $240.42

Q2 2018

Shares 682,194 Value ($000) $141,310 Avg Close $208.02 Range $195.82 - $217.41

Q1 2018

Shares 662,619 Value ($000) $136,804 Avg Close $205.54 Range $186.40 - $221.70

Q4 2017

Shares 684,399 Value ($000) $129,954 Avg Close $187.44 Range $177.57 - $196.84

Q3 2017

Shares 685,669 Value ($000) $129,729 Avg Close $177.07 Range $166.25 - $189.94

Q2 2017

Shares 733,791 Value ($000) $128,024 Avg Close $164.09 Range $148.20 - $172.95

Q1 2017

Shares 795,303 Value ($000) $122,159 Avg Close $149.18 Range $136.61 - $157.89

Q4 2016

Shares 830,803 Value ($000) $117,226 Avg Close $143.74 Range $135.56 - $156.06

Q3 2016

Shares 852,403 Value ($000) $135,583 Avg Close $150.09 Range $139.26 - $156.47

Q2 2016

Shares 845,303 Value ($000) $124,902 Avg Close $143.61 Range $136.38 - $150.60

Q1 2016

Shares 861,573 Value ($000) $121,990 Avg Close $130.26 Range $116.37 - $138.34

Q4 2015

Shares 753,173 Value ($000) $106,838 Avg Close $129.50 Range $116.40 - $139.59

Q3 2015

Shares 741,280 Value ($000) $90,644 Avg Close $126.34 Range $113.67 - $136.94

Q2 2015

Shares 726,999 Value ($000) $94,335 Avg Close $126.27 Range $121.29 - $130.90

Q1 2015

Shares 744,945 Value ($000) $100,076 Avg Close $124.72 Range $117.56 - $134.63

Q4 2014

Shares 757,406 Value ($000) $94,895 Avg Close $117.50 Range $103.69 - $125.37

Q3 2014

Shares 750,294 Value ($000) $91,311 Avg Close $117.35 Range $112.28 - $122.75

Q2 2014

Shares 728,403 Value ($000) $85,952 Avg Close $113.45 Range $107.95 - $118.89

Q1 2014

Shares 711,203 Value ($000) $85,515 Avg Close $114.47 Range $105.00 - $122.85

Q4 2013

Shares 649,803 Value ($000) $72,356 Avg Close $95.60 Range $86.22 - $107.27

Q3 2013

Shares 645,403 Value ($000) $59,474 Avg Close $86.81 Range $81.00 - $91.06

Q2 2013

Shares 625,447 Value ($000) $52,932 Avg Close $79.76 Range $72.10 - $85.73

Q1 2013

Shares 638,606 Value ($000) $48,847 Avg Close $69.62 Range $61.70 - $74.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	587,848	$340,629	$565.16	$486.57 - $601.87
Q3 2025	601,554	$291,766	$464.78	$402.70 - $501.56
Q2 2025	602,031	$244,099	$417.06	$384.82 - $495.18
Q1 2025	599,769	$298,445	$539.78	$482.97 - $608.82
Q4 2024	603,622	$314,022	$547.53	$491.20 - $617.36
Q3 2024	621,783	$384,616	$589.13	$525.78 - $624.81
Q2 2024	622,534	$344,261	$569.75	$526.69 - $598.64
Q1 2024	628,530	$365,308	$557.71	$524.04 - $600.06
Q4 2023	622,790	$330,571	$480.76	$412.73 - $532.66
Q3 2023	614,661	$311,123	$528.90	$491.51 - $575.69
Q2 2023	639,071	$333,435	$535.25	$494.39 - $588.28
Q1 2023	663,172	$382,232	$558.70	$518.14 - $604.43
Q4 2022	669,076	$368,453	$524.96	$471.30 - $579.21
Q3 2022	659,049	$334,263	$554.13	$500.83 - $604.99
Q2 2022	665,936	$361,790	$544.70	$492.89 - $611.86
Q1 2022	669,326	$395,337	$568.16	$508.25 - $656.92
Q4 2021	708,079	$472,459	$617.25	$545.68 - $664.90
Q3 2021	703,739	$402,067	$542.36	$497.26 - $609.86
Q2 2021	714,068	$360,226	$466.00	$433.25 - $504.51
Q1 2021	764,409	$348,861	$471.13	$427.86 - $519.72
Q4 2020	770,075	$358,686	$462.59	$427.16 - $525.38
Q3 2020	752,699	$332,332	$407.40	$352.00 - $438.79
Q2 2020	753,202	$272,915	$330.32	$266.44 - $358.87
Q1 2020	773,019	$219,228	$310.51	$246.54 - $336.98
Q4 2019	774,898	$251,741	$298.40	$266.00 - $325.05
Q3 2019	721,001	$210,006	$281.62	$262.06 - $300.37
Q2 2019	714,177	$209,740	$270.70	$248.84 - $293.42
Q1 2019	668,407	$182,956	$244.42	$206.29 - $269.21
Q4 2018	680,803	$152,357	$230.26	$204.59 - $249.16
Q3 2018	682,490	$166,582	$225.62	$199.95 - $240.42
Q2 2018	682,194	$141,310	$208.02	$195.82 - $217.41
Q1 2018	662,619	$136,804	$205.54	$186.40 - $221.70
Q4 2017	684,399	$129,954	$187.44	$177.57 - $196.84
Q3 2017	685,669	$129,729	$177.07	$166.25 - $189.94
Q2 2017	733,791	$128,024	$164.09	$148.20 - $172.95
Q1 2017	795,303	$122,159	$149.18	$136.61 - $157.89
Q4 2016	830,803	$117,226	$143.74	$135.56 - $156.06
Q3 2016	852,403	$135,583	$150.09	$139.26 - $156.47
Q2 2016	845,303	$124,902	$143.61	$136.38 - $150.60
Q1 2016	861,573	$121,990	$130.26	$116.37 - $138.34
Q4 2015	753,173	$106,838	$129.50	$116.40 - $139.59
Q3 2015	741,280	$90,644	$126.34	$113.67 - $136.94
Q2 2015	726,999	$94,335	$126.27	$121.29 - $130.90
Q1 2015	744,945	$100,076	$124.72	$117.56 - $134.63
Q4 2014	757,406	$94,895	$117.50	$103.69 - $125.37
Q3 2014	750,294	$91,311	$117.35	$112.28 - $122.75
Q2 2014	728,403	$85,952	$113.45	$107.95 - $118.89
Q1 2014	711,203	$85,515	$114.47	$105.00 - $122.85
Q4 2013	649,803	$72,356	$95.60	$86.22 - $107.27
Q3 2013	645,403	$59,474	$86.81	$81.00 - $91.06
Q2 2013	625,447	$52,932	$79.76	$72.10 - $85.73
Q1 2013	638,606	$48,847	$69.62	$61.70 - $74.75