John Gunn - Dodge & Cox
Holding/activity history for Thermo Fisher Scientific Inc. (TMO)
← All TMO superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 25,741 | 0.01 | $491.53 | $12,652,474 | SEC | ||
| 2025 Q4 | 25,741 | 0.01 | $579.45 | $14,915,622 | SEC | ||
| 2025 Q3 | 25,741 | 0.01 | Reduce 0.77% | <0.01 | $456.67–602.32 · VW $549.94i | $12,484,900 | SEC |
| 2025 Q2 | 25,941 | 0.01 | Reduce 0.63% | <0.01 | $385.46–502.39 · VW $460.19i | $10,518,038 | SEC |
| 2025 Q1 | 26,106 | 0.01 | Reduce 0.06% | $390.50–536.21 · VW $443.18i | $12,990,346 | SEC | |
| 2024 Q4 | 26,121 | 0.01 | Reduce 2.41% | <0.01 | $508.86–610.97 · VW $549.60i | $13,588,928 | SEC |
| 2024 Q3 | 26,766 | 0.01 | Reduce 0.09% | $493.30–627.88 · VW $550.27i | $16,556,645 | SEC | |
| 2024 Q2 | 26,791 | 0.01 | Reduce 0.03% | $528.37–622.30 · VW $588.58i | $14,815,423 | SEC | |
| 2024 Q1 | 26,798 | 0.01 | Reduce 1.38% | <0.01 | $529.64–603.82 · VW $567.15i | $15,575,266 | SEC |
| 2023 Q4 | 27,173 | 0.01 | $530.79 | $14,423,157 | SEC | ||
| 2023 Q3 | 27,173 | 0.01 | Reduce 0.91% | <0.01 | $415.60–565.86 · VW $492.41i | $13,754,157 | SEC |
| 2023 Q2 | 27,423 | 0.01 | Reduce 7.06% | <0.01 | $503.31–580.09 · VW $546.83i | $14,307,950 | SEC |
| 2023 Q1 | 29,507 | 0.01 | Add 1.05% | <0.01 | $498.50–593.17 · VW $533.38i | $17,006,950 | SEC |
| 2022 Q4 | 29,199 | 0.01 | Reduce 5.90% | <0.01 | $520.01–609.85 · VW $557.21i | $16,079,597 | SEC |
| 2022 Q3 | 31,029 | 0.01 | Reduce 1.82% | <0.01 | $475.77–580.13 · VW $538.71i | $15,738,000 | SEC |
| 2022 Q2 | 31,604 | 0.01 | $543.29 | $17,170,000 | SEC | ||
| 2022 Q1 | 31,604 | 0.01 | $590.65 | $18,667,000 | SEC | ||
| 2021 Q4 | 31,604 | 0.01 | Reduce 1.02% | <0.01 | $513.94–672.34 · VW $576.76i | $21,087,000 | SEC |
| 2021 Q3 | 31,931 | 0.01 | $571.33 | $18,243,000 | SEC | ||
| 2021 Q2 | 31,931 | 0.01 | Reduce 2.82% | <0.01 | $438.72–560.70 · VW $518.12i | $16,108,000 | SEC |
| 2021 Q1 | 32,856 | 0.01 | Reduce 5.71% | <0.01 | $433.52–499.00 · VW $467.34i | $14,995,000 | SEC |
| 2020 Q4 | 34,845 | 0.01 | Reduce 0.81% | <0.01 | $448.54–526.59 · VW $475.07i | $16,230,000 | SEC |
| 2020 Q3 | 35,130 | 0.01 | Reduce 2.34% | <0.01 | $401.07–532.57 · VW $466.21i | $15,511,000 | SEC |
| 2020 Q2 | 35,970 | 0.01 | Reduce 0.88% | <0.01 | $330.57–433.45 · VW $397.67i | $13,033,000 | SEC |
| 2020 Q1 | 36,290 | 0.01 | Reduce 0.18% | $250.21–351.86 · VW $317.09i | $10,292,000 | SEC | |
| 2019 Q4 | 36,355 | 0.01 | Reduce 0.79% | <0.01 | $284.83–342.26 · VW $305.96i | $11,811,000 | SEC |
| 2019 Q3 | 36,643 | 0.01 | Reduce 1.87% | <0.01 | $270.33–316.03 · VW $300.10i | $10,673,000 | SEC |
| 2019 Q2 | 37,343 | 0.01 | Reduce 2.37% | <0.01 | $264.30–305.45 · VW $285.60i | $10,967,000 | SEC |
| 2019 Q1 | 38,248 | 0.01 | Reduce 2.80% | <0.01 | $246.67–282.98 · VW $265.54i | $10,469,000 | SEC |
| 2018 Q4 | 39,348 | 0.01 | Reduce 1.87% | <0.01 | $208.34–260.11 · VW $242.67i | $8,806,000 | SEC |
| 2018 Q3 | 40,098 | 0.01 | Reduce 2.43% | <0.01 | $217.88–250.75 · VW $239.39i | $9,787,000 | SEC |
| 2018 Q2 | 41,098 | 0.01 | Reduce 1.63% | <0.01 | $202.83–240.88 · VW $227.60i | $8,513,000 | SEC |
| 2018 Q1 | 41,778 | 0.01 | Reduce 4.91% | <0.01 | $199.85–221.88 · VW $210.00i | $8,625,000 | SEC |
| 2017 Q4 | 43,937 | 0.01 | Reduce 3.94% | <0.01 | $181.51–226.44 · VW $205.51i | $8,343,000 | SEC |
| 2017 Q3 | 45,737 | 0.01 | Reduce 4.09% | <0.01 | $184.50–201.20 · VW $192.82i | $8,653,000 | SEC |
| 2017 Q2 | 47,687 | 0.01 | Reduce 1.24% | <0.01 | $170.07–187.54 · VW $181.58i | $8,320,000 | SEC |
| 2017 Q1 | 48,287 | 0.01 | Reduce 3.43% | <0.01 | $151.74–174.38 · VW $166.30i | $7,417,000 | SEC |
| 2016 Q4 | 50,002 | 0.01 | Reduce 26.03% | <0.01 | $139.07–159.41 · VW $152.05i | $7,055,000 | SEC |
| 2016 Q3 | 67,602 | 0.01 | Reduce 87.16% | 0.07 | $139.53–160.10 · VW $146.58i | $10,753,000 | SEC |
| 2016 Q2 | 526,642 | 0.08 | Reduce 4.40% | <0.01 | $140.21–160.68 · VW $151.03i | $77,817,000 | SEC |
| 2016 Q1 | 550,892 | 0.08 | Reduce 3.67% | <0.01 | $129.70–152.17 · VW $144.55i | $78,001,000 | SEC |
| 2015 Q4 | 571,892 | 0.08 | Add 981.04% | 0.07 | $119.75–143.65 · VW $130.86i | $81,123,000 | SEC |
| 2015 Q3 | 52,902 | 0.01 | Reduce 1.67% | <0.01 | $117.10–140.66 · VW $132.05i | $6,469,000 | SEC |
| 2015 Q2 | 53,802 | 0.01 | $129.75 | $6,981,000 | SEC | ||
| 2015 Q1 | 53,802 | 0.01 | Reduce 4.27% | <0.01 | $125.25–139.03 · VW $131.30i | $7,228,000 | SEC |
| 2014 Q4 | 56,202 | 0.01 | Reduce 1.54% | <0.01 | $121.15–132.00 · VW $127.72i | $7,042,000 | SEC |
| 2014 Q3 | 57,082 | 0.01 | Reduce 29.53% | <0.01 | $107.33–129.77 · VW $122.13i | $6,947,000 | SEC |
| 2014 Q2 | 81,002 | 0.01 | Reduce 6.57% | <0.01 | $115.85–127.21 · VW $121.09i | $9,558,000 | SEC |
| 2014 Q1 | 86,702 | 0.01 | Reduce 12.34% | <0.01 | $112.02–127.63 · VW $118.85i | $10,425,000 | SEC |
| 2013 Q4 | 98,902 | 0.01 | Reduce 0.50% | <0.01 | $99.12–125.82 · VW $116.49i | $11,013,000 | SEC |
| 2013 Q3 | 99,402 | 0.01 | Reduce 1.00% | <0.01 | $89.41–103.12 · VW $97.79i | $9,160,000 | SEC |
| 2013 Q2 | 100,402 | 0.01 | Buy | 0.01 | $81.04–92.72 · VW $87.53i | $8,497,000 | SEC |
| 2013 Q1 | 0 | 0.00 | Sell 100.00% | 0.01 | $72.87–89.50 · VW $83.56i | SEC | |
| 2012 Q4 | 114,402 | 0.01 | Reduce 4.67% | <0.01 | $62.30–75.79 · VW $70.63i | $7,297,000 | SEC |
| 2012 Q3 | 120,002 | 0.01 | Reduce 0.83% | <0.01 | $56.64–63.78 · VW $61.32i | $7,060,000 | SEC |
| 2012 Q2 | 121,002 | 0.03 | Reduce 0.98% | <0.01 | $48.14–57.75 · VW $54.41i | $6,281,000 | SEC |
| 2012 Q1 | 122,202 | 0.03 | Reduce 9.48% | <0.01 | $49.92–58.37 · VW $52.92i | $6,890,000 | SEC |
| 2011 Q4 | 135,002 | 0.03 | Reduce 3.23% | <0.01 | $43.06–57.57 · VW $52.42i | $6,071,000 | SEC |
| 2011 Q3 | 139,502 | 0.01 | Reduce 7.40% | <0.01 | $44.29–55.84 · VW $49.13i | $7,064,000 | SEC |
| 2011 Q2 | 150,652 | 0.01 | Reduce 12.13% | <0.01 | $48.89–65.68 · VW $56.50i | $9,700,000 | SEC |
| 2011 Q1 | 171,452 | 0.01 | Reduce 8.78% | <0.01 | $52.41–65.86 · VW $61.24i | $9,524,000 | SEC |
| 2010 Q4 | 187,952 | 0.01 | Reduce 2.24% | <0.01 | $51.35–58.16 · VW $55.11i | $10,405,000 | SEC |
| 2010 Q3 | 192,252 | 0.01 | Reduce 17.09% | <0.01 | $42.70–53.05 · VW $48.87i | $9,205,000 | SEC |
| 2010 Q2 | 231,872 | 0.02 | Reduce 11.81% | <0.01 | $41.74–54.87 · VW $46.24i | $11,373,000 | SEC |
| 2010 Q1 | 262,922 | 0.02 | Reduce 82.98% | 0.08 | $48.27–57.40 · VW $52.58i | $13,525,000 | SEC |
| 2009 Q4 | 1,544,937 | 0.10 | Reduce 0.38% | <0.01 | $45.37–49.94 · VW $48.03i | $73,678,000 | SEC |
| 2009 Q3 | 1,550,791 | 0.09 | Add 0.63% | <0.01 | $42.86–48.51 · VW $46.20i | $67,723,000 | SEC |
| 2009 Q2 | 1,541,135 | 0.10 | Add 415.82% | 0.08 | $37.50–46.80 · VW $43.17i | $62,832,000 | SEC |
| 2009 Q1 | 298,776 | 0.02 | Reduce 5.95% | <0.01 | $30.83–39.10 · VW $36.28i | $10,657,000 | SEC |
| 2008 Q4 | 317,673 | 0.02 | Reduce 17.07% | <0.01 | $28.52–40.34 · VW $35.04i | $10,823,000 | SEC |
| 2008 Q3 | 383,073 | 0.02 | Reduce 15.79% | <0.01 | $26.65–61.84 · VW $41.39i | $21,069,000 | SEC |
| 2008 Q2 | 454,923 | 0.03 | Reduce 12.93% | <0.01 | $54.56–62.77 · VW $59.30i | $25,353,000 | SEC |
| 2008 Q1 | 522,495 | 0.03 | Reduce 15.99% | <0.01 | $52.01–59.87 · VW $56.97i | $29,699,000 | SEC |
| 2007 Q4 | 621,953 | 0.03 | Reduce 95.89% | 0.65 | $46.63–59.25 · VW $53.94i | $35,874,000 | SEC |
| 2007 Q3 | 15,138,286 | 0.68 | Reduce 17.27% | 0.13 | $53.23–62.02 · VW $57.63i | $873,782,000 | SEC |
| 2007 Q2 | 18,298,655 | 0.72 | Reduce 4.14% | 0.03 | $48.71–55.25 · VW $52.73i | $946,406,000 | SEC |
| 2007 Q1 | 19,088,139 | 0.74 | Reduce 1.23% | <0.01 | $43.60–54.90 · VW $51.03i | $892,370,000 | SEC |
| 2006 Q4 | 19,326,339 | 0.76 | Reduce 0.72% | <0.01 | $43.20–49.90 · VW $46.12i | $875,290,000 | SEC |
| 2006 Q3 | 19,466,917 | 0.73 | Reduce 1.42% | 0.01 | $38.57–45.25 · VW $42.55i | $765,634,000 | SEC |
| 2006 Q2 | 19,747,617 | 0.73 | Add 0.72% | <0.01 | $33.85–39.53 · VW $37.53i | $715,654,000 | SEC |
| 2006 Q1 | 19,606,817 | 0.76 | Add 0.12% | <0.01 | $34.52–41.85 · VW $37.70i | $727,217,000 | SEC |
| 2005 Q4 | 19,582,357 | 0.66 | Reduce 0.90% | <0.01 | $29.95–35.20 · VW $33.26i | $590,016,000 | SEC |
| 2005 Q3 | 19,759,834 | 0.71 | Add 0.68% | <0.01 | $27.55–31.80 · VW $30.07i | $610,579,000 | SEC |
| 2005 Q2 | 19,626,034 | 0.65 | Add 1.18% | <0.01 | $26.20–30.49 · VW $28.20i | $527,352,000 | SEC |
| 2005 Q1 | 19,397,034 | 0.61 | Add 7.30% | 0.04 | $23.94–28.05 · VW $26.10i | $490,551,000 | SEC |
| 2004 Q4 | 18,076,734 | 0.70 | Reduce 0.67% | <0.01 | $26.45–30.98 · VW $28.30i | $545,737,000 | SEC |
| 2004 Q3 | 18,198,534 | 0.72 | Reduce 0.69% | <0.01 | $25.88–30.38 · VW $28.84i | $491,724,000 | SEC |
| 2004 Q2 | 18,325,734 | 0.85 | Reduce 2.67% | 0.05 | $24.00–31.07 · VW $27.11i | $563,333,000 | SEC |
| 2004 Q1 | 18,827,684 | 1.91 | Reduce 2.45% | 0.04 | $25.90–31.40 · VW $29.36i | $532,447,000 | SEC |
| 2003 Q4 | 19,300,584 | 1.62 | Add 1.28% | 0.02 | $22.70–29.65 · VW $26.81i | $486,375,000 | SEC |
| 2003 Q3 | 19,055,784 | 1.31 | Add 2.79% | 0.04 | $21.25–24.08 · VW $23.08i | $413,511,000 | SEC |
| 2003 Q2 | 18,539,284 | 1.19 | Add 0.80% | <0.01 | $20.80–23.44 · VW $22.34i | $389,696,000 | SEC |
| 2003 Q1 | 18,391,484 | 1.03 | Reduce 1.47% | 0.02 | $16.89–21.10 · VW $19.70i | $332,886,000 | SEC |
| 2002 Q4 | 18,665,624 | 1.16 | Add 2.41% | 0.03 | $17.06–20.66 · VW $18.44i | $375,552,000 | SEC |
| 2002 Q3 | 18,226,624 | 1.03 | Add 11.12% | 0.10 | $15.05–20.10 · VW $18.25i | $293,995,000 | SEC |
| 2002 Q2 | 16,402,857 | 0.91 | Add 29.42% | 0.21 | $14.33–18.36 · VW $16.82i | $270,647,000 | SEC |
| 2002 Q1 | 12,674,107 | 0.87 | Add 14.29% | 0.11 | $18.11–21.33 · VW $19.27i | $262,734,000 | SEC |
| 2001 Q4 | 11,089,607 | 1.00 | Add 3.65% | 0.04 | $19.12–24.60 · VW $21.36i | $264,598,000 | SEC |
| 2001 Q3 | 10,699,447 | 0.84 | Add 8.29% | 0.06 | $16.55–24.20 · VW $20.82i | $193,125,000 | SEC |
| 2001 Q2 | 9,879,997 | 0.92 | Add 1.18% | 0.01 | $19.79–28.70 · VW $23.39i | $217,558,000 | SEC |
| 2001 Q1 | 9,764,400 | 1.03 | Reduce 11.17% | 0.17 | $19.25–28.97 · VW $25.38i | $219,504,000 | SEC |
| 2000 Q4 | 10,991,800 | 1.55 | Reduce 10.11% | 0.17 | $26.01–31.24 · VW $28.38i | $327,006,000 | SEC |
| 2000 Q3 | 12,227,600 | 1.65 | Add 1.51% | 0.02 | $22.75–29.94 · VW $27.23i | $317,918,000 | SEC |
| 2000 Q2 | 12,045,800 | 1.44 | Add 7.22% | 0.10 | $18.00–24.38 · VW $21.83i | $253,714,000 | SEC |
| 2000 Q1 | 11,234,600 | 1.35 | Add 6.71% | 0.08 | $15.31–26.88 · VW $20.25i | $228,904,000 | SEC |
| 1999 Q4 | 10,528,200 | 0.91 | Add 7.54% | 0.06 | $13.69–17.88 · VW $15.73i | $157,923,000 | SEC |
| 1999 Q3 | 9,790,000 | 0.80 | Add 157.62% | 0.49 | $12.75–16.19 · VW $14.65i | $131,553,000 | SEC |
| 1999 Q2 | 3,800,100 | 0.42 | Buy | 0.42 | $15.44–20.25 · VW $17.19i | $76,239,000 | SEC |
Price snapshot:
Current price$528.51
Avg. buy price$141.15
+/- since buy274.44%
52-week low$401.89
52-week high$642.71