Thermo Fisher Scientific Inc.
MX ˙ BMV ˙ US8835561023
SecurityMX:TMO / Thermo Fisher Scientific Inc.
InstitutionWellington Shields & Co., LLC
Latest Disclosed Ownership1,392 shares
Latest Disclosed Value $ 684,210
Wellington Shields & Co., LLC reports 7.81% decrease in ownership of TMO / Thermo Fisher Scientific Inc.

On May 4, 2026 - Wellington Shields & Co., LLC filed a 13F-HR form disclosing ownership of 1,392 shares of Thermo Fisher Scientific Inc. (MX:TMO) valued at $684,210 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 9, 2026 disclosing 1,510 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of -7.81% 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)
2026-05-04 2026-03-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,392 -118 -7.81 684 -21.74 0.1744
2026-02-09 2025-12-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,510 43 2.93 875 22.93 0.2158
2025-11-05 2025-09-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,467 -213 -12.68 712 4.41 0.1856
2025-08-05 2025-06-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,680 -919 -35.36 681 -47.33 0.1928
2025-05-08 2025-03-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,599 -136 -4.97 1,293 -9.07 0.4048
2025-02-10 2024-12-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,735 -188 -6.43 1,423 -21.35 0.4363
2024-11-13 2024-09-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,923 56 1.95 1,808 14.07 0.5497
2024-08-07 2024-06-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,867 257 9.85 1,585 4.55 0.5164
2024-05-23 2024-03-31 13F/A-2 THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,610 115 4.61 1,517 14.50 0.5085
2024-05-23 2024-03-31 13F/A-1 THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,495 0 1,324 0.4886
2024-05-03 2024-03-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,610 25 1,517 0.5080
2024-05-23 2023-12-31 13F/A-1 THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,495 -229 -8.41 1,324 -3.92 0.4886
2024-02-09 2023-12-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,585 -139 1,372 0.3259
2023-11-14 2023-09-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,724 99 3.77 1,379 0.66 0.3447
2023-08-11 2023-06-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,625 261 11.04 1,370 0.51 0.3220
2023-05-11 2023-03-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,364 244 11.51 1,363 16.71 0.3054
2023-02-15 2022-12-31 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 2,120 173 8.89 1,167 18.24 0.2653
2022-11-14 2022-09-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,947 294 17.79 987 9.91 0.4306
2022-08-12 2022-06-30 13F THERMO FISHER SCIENTIFIC INC COM Stock 883556102 1,653 83 5.29 898 -3.13 0.2176
2022-05-09 2022-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,570 -50 -3.09 927 -14.25 0.3049
2022-02-15 2021-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,620 895 123.45 1,081 161.11 0.2159
2021-11-10 2021-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 725 -70 -8.81 414 3.24 0.1444
2021-08-12 2021-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 795 -165 -17.19 401 -8.45 0.1323
2021-05-12 2021-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 960 67 7.50 438 5.29 0.1570
2021-02-09 2020-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 893 310 53.17 416 61.87 0.1490
2020-11-10 2020-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 583 583 257 0.1080
2020-02-11 2019-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 0 -3,000 -100.00 0 -100.00
2019-11-05 2019-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 3,000 3,000 874 1.3499
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.