THERMO FISHER SCIENTIFIC INC

Ticker: TMO CUSIP: 883556102 Class: COM

ONTARIO TEACHERS PENSION PLAN BOARD's Holding History (CIK: 0000937567)

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

Q4 2025

Shares 22,680 Value ($000) $13,142 Avg Close $565.16 Range $486.57 - $601.87

Q3 2025

Shares 23,668 Value ($000) $11,479 Avg Close $464.78 Range $402.70 - $501.56

Q2 2023

Shares 651,662 Value ($000) $340,005 Avg Close $535.25 Range $494.39 - $588.28

Q1 2023

Shares 850,761 Value ($000) $490,353 Avg Close $558.70 Range $518.14 - $604.43

Q4 2022

Shares 856,739 Value ($000) $471,798 Avg Close $524.96 Range $471.30 - $579.21

Q3 2022

Shares 854,056 Value ($000) $433,169 Avg Close $554.13 Range $500.83 - $604.99

Q3 2021

Shares 214,330 Value ($000) $122,453 Avg Close $542.36 Range $497.26 - $609.86

Q2 2021

Shares 215,197 Value ($000) $108,560 Avg Close $466.00 Range $433.25 - $504.51

Q1 2021

Shares 204,175 Value ($000) $93,181 Avg Close $471.13 Range $427.86 - $519.72

Q4 2020

Shares 173,385 Value ($000) $80,759 Avg Close $462.59 Range $427.16 - $525.38

Q3 2020

Shares 251,841 Value ($000) $111,193 Avg Close $407.40 Range $352.00 - $438.79

Q2 2020

Shares 252,206 Value ($000) $91,384 Avg Close $330.32 Range $266.44 - $358.87

Q1 2020

Shares 255,497 Value ($000) $72,459 Avg Close $310.51 Range $246.54 - $336.98

Q4 2019

Shares 235,098 Value ($000) $76,376 Avg Close $298.40 Range $266.00 - $325.05

Q3 2019

Shares 238,810 Value ($000) $69,558 Avg Close $281.62 Range $262.06 - $300.37

Q2 2019

Shares 250,042 Value ($000) $73,432 Avg Close $270.70 Range $248.84 - $293.42

Q1 2019

Shares 259,976 Value ($000) $71,161 Avg Close $244.42 Range $206.29 - $269.21

Q4 2018

Shares 268,637 Value ($000) $60,118 Avg Close $230.26 Range $204.59 - $249.16

Q3 2018

Shares 260,183 Value ($000) $63,505 Avg Close $225.62 Range $199.95 - $240.42

Q2 2018

Shares 293,382 Value ($000) $60,771 Avg Close $208.02 Range $195.82 - $217.41

Q1 2018

Shares 230,959 Value ($000) $47,684 Avg Close $205.54 Range $186.40 - $221.70

Q4 2017

Shares 284,409 Value ($000) $54,004 Avg Close $187.44 Range $177.57 - $196.84

Q3 2017

Shares 297,773 Value ($000) $56,339 Avg Close $177.07 Range $166.25 - $189.94

Q2 2017

Shares 280,328 Value ($000) $48,909 Avg Close $164.09 Range $148.20 - $172.95

Q1 2017

Shares 432,953 Value ($000) $66,502 Avg Close $149.18 Range $136.61 - $157.89

Q4 2016

Shares 648,790 Value ($000) $91,544 Avg Close $143.74 Range $135.56 - $156.06

Q3 2016

Shares 788,022 Value ($000) $125,343 Avg Close $150.09 Range $139.26 - $156.47

Q2 2016

Shares 732,285 Value ($000) $108,202 Avg Close $143.61 Range $136.38 - $150.60

Q1 2016

Shares 849,875 Value ($000) $120,334 Avg Close $130.26 Range $116.37 - $138.34

Q4 2015

Shares 803,424 Value ($000) $113,966 Avg Close $129.50 Range $116.40 - $139.59

Q3 2015

Shares 1,072,424 Value ($000) $131,136 Avg Close $126.34 Range $113.67 - $136.94

Q2 2015

Shares 1,208,046 Value ($000) $156,756 Avg Close $126.27 Range $121.29 - $130.90

Q1 2015

Shares 1,282,996 Value ($000) $172,358 Avg Close $124.72 Range $117.56 - $134.63

Q4 2014

Shares 1,280,910 Value ($000) $160,485 Avg Close $117.50 Range $103.69 - $125.37

Q3 2014

Shares 1,298,056 Value ($000) $157,973 Avg Close $117.35 Range $112.28 - $122.75

Q2 2014

Shares 1,292,235 Value ($000) $152,484 Avg Close $113.45 Range $107.95 - $118.89

Q1 2014

Shares 1,405,125 Value ($000) $168,952 Avg Close $114.47 Range $105.00 - $122.85

Q4 2013

Shares 1,555,544 Value ($000) $173,210 Avg Close $95.60 Range $86.22 - $107.27

Q3 2013

Shares 1,721,381 Value ($000) $158,625 Avg Close $86.81 Range $81.00 - $91.06

Q2 2013

Shares 1,719,160 Value ($000) $145,493 Avg Close $79.76 Range $72.10 - $85.73

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	22,680	$13,142	$565.16	$486.57 - $601.87
Q3 2025	23,668	$11,479	$464.78	$402.70 - $501.56
Q2 2023	651,662	$340,005	$535.25	$494.39 - $588.28
Q1 2023	850,761	$490,353	$558.70	$518.14 - $604.43
Q4 2022	856,739	$471,798	$524.96	$471.30 - $579.21
Q3 2022	854,056	$433,169	$554.13	$500.83 - $604.99
Q3 2021	214,330	$122,453	$542.36	$497.26 - $609.86
Q2 2021	215,197	$108,560	$466.00	$433.25 - $504.51
Q1 2021	204,175	$93,181	$471.13	$427.86 - $519.72
Q4 2020	173,385	$80,759	$462.59	$427.16 - $525.38
Q3 2020	251,841	$111,193	$407.40	$352.00 - $438.79
Q2 2020	252,206	$91,384	$330.32	$266.44 - $358.87
Q1 2020	255,497	$72,459	$310.51	$246.54 - $336.98
Q4 2019	235,098	$76,376	$298.40	$266.00 - $325.05
Q3 2019	238,810	$69,558	$281.62	$262.06 - $300.37
Q2 2019	250,042	$73,432	$270.70	$248.84 - $293.42
Q1 2019	259,976	$71,161	$244.42	$206.29 - $269.21
Q4 2018	268,637	$60,118	$230.26	$204.59 - $249.16
Q3 2018	260,183	$63,505	$225.62	$199.95 - $240.42
Q2 2018	293,382	$60,771	$208.02	$195.82 - $217.41
Q1 2018	230,959	$47,684	$205.54	$186.40 - $221.70
Q4 2017	284,409	$54,004	$187.44	$177.57 - $196.84
Q3 2017	297,773	$56,339	$177.07	$166.25 - $189.94
Q2 2017	280,328	$48,909	$164.09	$148.20 - $172.95
Q1 2017	432,953	$66,502	$149.18	$136.61 - $157.89
Q4 2016	648,790	$91,544	$143.74	$135.56 - $156.06
Q3 2016	788,022	$125,343	$150.09	$139.26 - $156.47
Q2 2016	732,285	$108,202	$143.61	$136.38 - $150.60
Q1 2016	849,875	$120,334	$130.26	$116.37 - $138.34
Q4 2015	803,424	$113,966	$129.50	$116.40 - $139.59
Q3 2015	1,072,424	$131,136	$126.34	$113.67 - $136.94
Q2 2015	1,208,046	$156,756	$126.27	$121.29 - $130.90
Q1 2015	1,282,996	$172,358	$124.72	$117.56 - $134.63
Q4 2014	1,280,910	$160,485	$117.50	$103.69 - $125.37
Q3 2014	1,298,056	$157,973	$117.35	$112.28 - $122.75
Q2 2014	1,292,235	$152,484	$113.45	$107.95 - $118.89
Q1 2014	1,405,125	$168,952	$114.47	$105.00 - $122.85
Q4 2013	1,555,544	$173,210	$95.60	$86.22 - $107.27
Q3 2013	1,721,381	$158,625	$86.81	$81.00 - $91.06
Q2 2013	1,719,160	$145,493	$79.76	$72.10 - $85.73