Thermo Fisher Scientific Inc.
MX ˙ BMV ˙ US8835561023
SecurityMX:TMO / Thermo Fisher Scientific Inc.
InstitutionGlenview Capital Management, Llc
Latest Disclosed Ownership250,525 shares
Latest Disclosed Value $ 123,140,553
Glenview Capital Management, Llc reports 11.87% increase in ownership of TMO / Thermo Fisher Scientific Inc.

On May 15, 2026 - Glenview Capital Management, Llc filed a 13F-HR form disclosing ownership of 250,525 shares of Thermo Fisher Scientific Inc. (MX:TMO) valued at $123,140,553 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 223,947 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of 11.87% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 250,525 26,578 11.87 123,141 -5.11 3.0914
2026-02-17 2025-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 223,947 -58,994 -20.85 129,766 -5.44 2.6405
2025-11-14 2025-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 282,941 182,941 182.94 137,232 238.46 3.0548
2025-08-14 2025-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 100,000 100,000 40,546 1.1359
2020-11-16 2020-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 0 -81,555 -100.00 0 -100.00
2020-08-14 2020-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 81,555 81,555 29,551 0.8147
2020-05-15 2020-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 0 -208,112 -100.00 0 -100.00
2020-02-14 2019-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 208,112 -261,404 -55.68 67,609 -50.56 0.5918
2019-11-14 2019-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 469,516 -81,048 -14.72 136,756 -15.42 1.4387
2019-08-14 2019-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 550,564 -430,025 -43.85 161,690 -39.76 1.4653
2019-05-15 2019-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 980,589 -196,252 -16.68 268,407 1.91 2.3952
2019-02-14 2018-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,176,841 -1,033,101 -46.75 263,365 -51.17 2.5505
2018-11-14 2018-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,209,942 -336,659 -13.22 539,403 2.26 3.4260
2018-08-14 2018-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,546,601 -416,142 -14.05 527,503 -13.76 3.5984
2018-05-15 2018-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 2,962,743 -364,833 -10.96 611,688 -3.19 3.5781
2018-02-14 2017-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 3,327,576 598,749 21.94 631,840 22.38 3.4156
2017-11-14 2017-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,728,827 -31,138 -1.13 516,294 7.22 2.9956
2017-08-14 2017-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,759,965 -212,095 -7.14 481,531 5.48 3.1243
2017-05-15 2017-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 2,972,060 -687,674 -18.79 456,508 -11.60 3.0287
2017-02-14 2016-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 3,659,734 973,418 36.24 516,388 20.85 3.4911
2016-11-14 2016-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,686,316 -171,924 -6.02 427,285 1.17 3.0560
2016-08-15 2016-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,858,240 -752,312 -20.84 422,334 -17.39 2.9859
2016-05-16 2016-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 3,610,552 -2,322,779 -39.15 511,218 -39.26 3.7372
2016-02-16 2015-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 5,933,331 -2,577,873 -30.29 841,643 -19.13 4.7390
2015-11-16 2015-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 8,511,204 -748,506 -8.08 1,040,750 -13.38 5.1645
2015-08-14 2015-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 9,259,710 2,348,939 33.99 1,201,540 29.42 4.7585
2015-05-15 2015-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 6,910,771 -4,476,494 -39.31 928,393 -34.93 4.2394
2015-02-17 2014-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 11,387,265 11,598 0.10 1,426,710 3.05 7.1411
2014-11-14 2014-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 11,375,667 433,474 3.96 1,384,419 7.22 7.2382
2014-08-14 2014-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 10,942,193 1,381,300 14.45 1,291,179 12.32 7.4783
2014-05-15 2014-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 9,560,893 1,025,800 12.02 1,149,602 20.96 7.5307
2014-02-14 2013-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 8,535,093 451,432 5.58 950,383 27.58 6.8070
2013-11-14 2013-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 8,083,661 -425,000 -4.99 744,909 3.45 6.2760
2013-08-14 2013-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 8,508,661 8,508,661 720,088 6.5898
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.