Steven Romick - First Pacific Advisors
Period:    Q1 2026
Portfolio date:    31 Mar 2026
No. of stocks:    83
Portfolio value:    $6,998,758,247
Holdings Activity Buys Sells    History
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 221,896 1.56 Add 1.52% 0.02 $435.27–538.41 · VW $488.73i $109,068,541 SEC
2025   Q4 218,572 1.70 Add 1.69% 0.03 $493.64–643.99 · VW $552.91i $126,651,545 SEC
2025   Q3 214,946 1.46 Add 146.02% 0.87 $456.67–602.32 · VW $549.94i $104,253,109 SEC
2025   Q2 87,370 0.51 Buy 0.51 $385.46–502.39 · VW $460.19i $35,425,040 SEC
2023   Q3 0 0.00 Sell 100.00% 0.01 $415.60–565.86 · VW $492.41i SEC
2023   Q2 650 0.01 $521.75 $339,138 SEC
2023   Q1 650 0.01 $576.37 $374,641 SEC
2022   Q4 650 0.01 $550.69 $357,949 SEC
2022   Q3 650 0.01 $507.69 $330,000 SEC
2022   Q2 650 0.01 Reduce 63.69% <0.01 $497.83–611.06 · VW $551.40i $353,000 SEC
2022   Q1 1,790 0.01 Reduce 9.09% <0.01 $512.10–618.36 · VW $566.01i $1,057,000 SEC
2021   Q4 1,969 0.02 Reduce 13.60% <0.01 $513.94–672.34 · VW $576.76i $1,314,000 SEC
2021   Q3 2,279 0.02 $571.30 $1,302,000 SEC
2021   Q2 2,279 0.01 $504.61 $1,150,000 SEC
2021   Q1 2,279 0.01 $456.34 $1,040,000 SEC
2020   Q4 2,279 0.01 Reduce 3.02% <0.01 $448.54–526.59 · VW $475.07i $1,062,000 SEC
2020   Q3 2,350 0.01 $441.70 $1,038,000 SEC
2020   Q2 2,350 0.01 $362.13 $851,000 SEC
2020   Q1 2,350 <0.01 $283.40 $666,000 SEC
2019   Q4 2,350 <0.01 $324.68 $763,000 SEC
2019   Q3 2,350 <0.01 $291.06 $684,000 SEC
2019   Q2 2,350 0.01 $293.62 $690,000 SEC
2019   Q1 2,350 0.01 $273.62 $643,000 SEC
2018   Q4 2,350 0.01 Reduce 98.80% 0.35 $208.34–260.11 · VW $242.67i $526,000 SEC
2018   Q3 195,662 0.35 Reduce 84.33% 1.57 $217.88–250.75 · VW $239.39i $47,757,000 SEC
2018   Q2 1,248,706 1.86 Reduce 6.05% 0.13 $202.83–240.88 · VW $227.60i $258,657,000 SEC
2018   Q1 1,329,109 2.16 Reduce 0.67% 0.01 $199.85–221.88 · VW $210.00i $274,408,000 SEC
2017   Q4 1,338,070 1.98 Add 0.62% 0.01 $181.51–226.44 · VW $205.51i $254,073,000 SEC
2017   Q3 1,329,880 2.01 Reduce 9.07% 0.18 $184.50–201.20 · VW $192.82i $251,613,000 SEC
2017   Q2 1,462,520 2.02 Add 1.49% 0.03 $170.07–187.54 · VW $181.58i $255,166,000 SEC
2017   Q1 1,441,070 1.87 Reduce 1.30% 0.02 $151.74–174.38 · VW $166.30i $221,348,000 SEC
2016   Q4 1,460,100 1.72 Reduce 12.89% 0.30 $139.07–159.41 · VW $152.05i $206,020,000 SEC
2016   Q3 1,676,150 2.31 Reduce 6.30% 0.15 $139.53–160.10 · VW $146.58i $266,608,000 SEC
2016   Q2 1,788,830 2.32 Add 5.91% 0.13 $140.21–160.68 · VW $151.03i $264,318,000 SEC
2016   Q1 1,689,060 2.26 Reduce 7.82% 0.19 $129.70–152.17 · VW $144.55i $239,154,000 SEC
2015   Q4 1,832,410 2.41 Reduce 5.23% 0.11 $119.75–143.65 · VW $130.86i $259,927,000 SEC
2015   Q3 1,933,550 2.10 Reduce 43.93% 1.63 $117.10–140.66 · VW $132.05i $236,434,000 SEC
2015   Q2 3,448,400 3.71 Add 1.10% 0.04 $117.98–141.25 · VW $128.20i $447,464,000 SEC
2015   Q1 3,410,800 3.87 Reduce 5.71% 0.21 $125.25–139.03 · VW $131.30i $458,207,000 SEC
2014   Q4 3,617,400 3.67 Add 1.91% 0.07 $121.15–132.00 · VW $127.72i $453,224,000 SEC
2014   Q3 3,549,700 3.69 Add 0.81% 0.03 $107.33–129.77 · VW $122.13i $431,998,000 SEC
2014   Q2 3,521,200 3.48 Add 0.34% 0.01 $115.85–127.21 · VW $121.09i $415,502,000 SEC
2014   Q1 3,509,100 3.81 Reduce 10.30% 0.44 $112.02–127.63 · VW $118.85i $421,935,000 SEC
2013   Q4 3,911,900 4.23 Add 0.15% <0.01 $99.12–125.82 · VW $116.49i $435,590,000 SEC
2013   Q3 3,906,100 3.85 Add 0.15% <0.01 $89.41–103.12 · VW $97.79i $359,947,000 SEC
2013   Q2 3,900,300 3.65 Add 0.89% 0.03 $81.04–92.72 · VW $87.53i $330,083,000 SEC
2013   Q1 3,865,800 3.33 Add 3.90% 0.13 $72.87–89.50 · VW $83.56i $295,695,000 SEC
2012   Q4 3,720,600 2.98 Add 1.53% 0.04 $62.30–75.79 · VW $70.63i $237,300,000 SEC
2012   Q3 3,664,600 2.75 Add 10.23% 0.26 $56.64–63.78 · VW $61.32i $215,588,000 SEC
2012   Q2 3,324,500 2.26 Add 41.08% 0.66 $48.14–57.75 · VW $54.41i $172,575,000 SEC
2012   Q1 2,356,500 1.90 Add 0.24% <0.01 $49.92–58.37 · VW $52.92i $132,859,000 SEC
2011   Q4 2,350,900 1.63 Add 45.05% 0.51 $43.06–57.57 · VW $52.42i $105,720,000 SEC
2011   Q3 1,620,800 1.49 Add 210.08% 1.01 $44.29–55.84 · VW $49.13i $82,077,000 SEC
2011   Q2 522,700 0.56 Reduce 0.38% <0.01 $48.89–65.68 · VW $56.50i $33,657,000 SEC
2011   Q1 524,700 0.66 Reduce 0.15% <0.01 $52.41–65.86 · VW $61.24i $29,147,000 SEC
2010   Q4 525,500 0.78 Add 51.31% 0.26 $51.35–58.16 · VW $55.11i $29,092,000 SEC
2010   Q3 347,300 0.53 Buy 0.53 $42.70–53.05 · VW $48.87i $16,629,000 SEC
Price snapshot:
Current price$528.51
Avg. buy price$455.33
+/- since buy16.07%
52-week low$401.89
52-week high$642.71