Thermo Fisher Scientific Inc.
MX ˙ BMV ˙ US8835561023
SecurityMX:TMO / Thermo Fisher Scientific Inc.
InstitutionPnc Financial Services Group, Inc.
Latest Disclosed Ownership243,798 shares
Latest Disclosed Value $ 119,834,050
Pnc Financial Services Group, Inc. reports 1.85% decrease in ownership of TMO / Thermo Fisher Scientific Inc.

On May 8, 2026 - Pnc Financial Services Group, Inc. filed a 13F-HR form disclosing ownership of 243,798 shares of Thermo Fisher Scientific Inc. (MX:TMO) valued at $119,834,050 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 248,402 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of -1.85% 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)
2026-05-08 2026-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 243,798 -4,604 -1.85 119,834 -16.74 0.0692
2026-02-06 2025-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 248,402 -1,461 -0.58 143,936 18.77 0.0786
2025-11-07 2025-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 249,863 -4,387 -1.73 121,189 17.56 0.0735
2025-08-08 2025-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 254,250 -17,803 -6.54 103,088 -23.85 0.0664
2025-05-09 2025-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 272,053 1,591 0.59 135,374 -3.79 0.0709
2025-02-07 2024-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 270,462 -4,321 -1.57 140,702 -17.22 0.0941
2024-11-08 2024-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 274,783 77 0.03 169,973 11.89 0.1085
2024-08-09 2024-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 274,706 1,553 0.57 151,913 -4.31 0.1011
2024-05-10 2024-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 273,153 8,011 3.02 158,759 12.81 0.1104
2024-03-22 2023-12-31 13F/A-1 THERMO FISHER SCIENTIFIC COM 883556102 265,142 -7,667 -2.81 140,735 1.92 0.1105
2024-02-09 2023-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 265,142 -7,667 140,735 0.0226
2023-11-13 2023-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 272,809 -2,366 -0.86 138,088 -3.82 0.1182
2023-08-11 2023-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 275,175 -2,770 -1.00 143,573 -10.38 0.1223
2023-05-15 2023-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 277,945 -3,096 -1.10 160,199 3.51 0.1405
2023-02-10 2022-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 281,041 -2,585 -0.91 154,766 7.59 0.1486
2022-11-10 2022-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 283,626 2,061 0.73 143,852 -5.96 0.1504
2022-08-12 2022-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 281,565 -1,255 -0.44 152,967 -8.43 0.1501
2022-05-12 2022-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 282,820 -9,245 -3.17 167,047 -14.28 0.1464
2022-02-11 2021-12-31 13F THERMO FIS Common Stock 883556102 292,065 13,165 4.72 194,878 22.30 0.1611
2021-11-05 2021-09-30 13F THERMO FIS Common Stock 883556102 278,900 -19,693 -6.60 159,346 5.78 0.1474
2021-08-06 2021-06-30 13F THERMO FIS Common Stock 883556102 298,593 -151,063 -33.60 150,633 -26.60 0.1366
2021-05-07 2021-03-31 13F THERMO FIS Common Stock 883556102 449,656 -3,635 -0.80 205,215 -2.80 0.1992
2021-02-12 2020-12-31 13F THERMO FIS Common Stock 883556102 453,291 -765 -0.17 211,134 5.32 0.2131
2020-11-06 2020-09-30 13F THERMO FIS Common Stock 883556102 454,056 191,315 72.82 200,474 110.58 0.2471
2020-08-28 2020-06-30 13F/A-1 THERMO FIS Common Stock 883556102 262,741 5,543 2.16 95,202 30.52 0.1267
2020-08-07 2020-06-30 13F THERMO FIS Common Stock 883556102 262,741 5,543 95,202 19,767.5913
2020-05-08 2020-03-31 13F THERMO FIS Common Stock 883556102 257,198 -2,913 -1.12 72,941 -13.68 0.0918
2020-02-07 2019-12-31 13F THERMO FIS Common Stock 883556102 260,111 -4,464 -1.69 84,503 9.66 0.0832
2019-11-08 2019-09-30 13F THERMO FIS Common Stock 883556102 264,575 -1,314 -0.49 77,061 -1.31 0.0769
2019-08-09 2019-06-30 13F THERMO FIS Common Stock 883556102 265,889 -1,869 -0.70 78,087 6.55 0.0765
2019-05-10 2019-03-31 13F THERMO FIS Common Stock 883556102 267,758 -21,860 -7.55 73,290 13.08 0.0734
2019-02-08 2018-12-31 13F THERMO FIS Common Stock 883556102 289,618 -69,178 -19.28 64,812 -25.99 0.0722
2018-11-09 2018-09-30 13F THERMO FIS Common Stock 883556102 358,796 -321,012 -47.22 87,574 -37.81 0.0831
2018-08-10 2018-06-30 13F THERMO FIS Common Stock 883556102 679,808 -12,231 -1.77 140,818 -1.44 0.1390
2018-05-11 2018-03-31 13F THERMO FIS Common Stock 883556102 692,039 -122,702 -15.06 142,878 -7.64 0.1408
2018-02-09 2017-12-31 13F THERMO FIS Common Stock 883556102 814,741 -7,459 -0.91 154,702 -0.55 0.1501
2017-11-13 2017-09-30 13F THERMO FIS Common Stock 883556102 822,200 -51,779 -5.92 155,563 2.02 0.1616
2017-08-11 2017-06-30 13F THERMO FIS 883556102 873,979 -35,561 -3.91 152,484 9.15 0.1639
2017-05-12 2017-03-31 13F THERMO FIS Common Stock 883556102 909,540 -37,758 -3.99 139,706 4.52 0.1547
2017-02-10 2016-12-31 13F THERMO FIS Common Stock 883556102 947,298 -34,914 -3.55 133,665 -14.44 0.1524
2016-11-04 2016-09-30 13F THERMO FIS Common Stock 883556102 982,212 129,483 15.18 156,230 23.99 0.1818
2016-08-05 2016-06-30 13F THERMO FIS Common Stock 883556102 852,729 9,727 1.15 125,999 5.56 0.1476
2016-05-06 2016-03-31 13F THERMO FIS Common Stock 883556102 843,002 51,562 6.51 119,360 6.32 0.1394
2016-02-05 2015-12-31 13F THERMO FIS Common Stock 883556102 791,440 6,755 0.86 112,267 17.00 0.1322
2015-11-06 2015-09-30 13F THERMO FIS Common Stock 883556102 784,685 491,465 167.61 95,953 152.20 0.1146
2015-08-05 2015-06-30 13F THERMO FIS Common Stock 883556102 293,220 35,273 13.67 38,047 9.80 0.0426
2015-05-08 2015-03-31 13F THERMO FIS Common Stock 883556102 257,947 -19,998 -7.19 34,652 -0.49 0.0381
2015-02-06 2014-12-31 13F/A-1 THERMO FIS Common Stock 883556102 277,945 13,622 5.15 34,824 8.25 0.0383
2015-02-06 2014-12-31 13F THERMO FIS Common Stock 883556102 277,945 34,824
2014-11-07 2014-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 264,323 -38,463 -12.70 32,169 -9.96 0.0379
2014-08-08 2014-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 302,786 -10,315 -3.29 35,729 -5.10 0.0455
2014-05-09 2014-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 313,101 44,049 16.37 37,648 25.67 0.0495
2014-02-07 2013-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 269,052 -24,441 -8.33 29,959 10.76 0.0398
2013-11-01 2013-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 293,493 15,421 5.55 27,048 14.93 0.0394
2013-08-02 2013-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 278,072 278,072 23,534 0.0344
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.