Thermo Fisher Scientific Inc.
MX ˙ BMV ˙ US8835561023
SecurityMX:TMO / Thermo Fisher Scientific Inc.
InstitutionZhang Financial LLC
Latest Disclosed Ownership514 shares
Latest Disclosed Value $ 252,654
Zhang Financial LLC ownership in TMO / Thermo Fisher Scientific Inc.

On May 6, 2026 - Zhang Financial LLC filed a 13F-HR form disclosing ownership of 514 shares of Thermo Fisher Scientific Inc. (MX:TMO) valued at $252,654 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 514 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of 0.00% 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)
2026-05-06 2026-03-31 13F THERMO FISHER COM 883556102 514 0 0.00 253 -15.15 0.0087
2026-02-10 2025-12-31 13F THERMO FISHER COM 883556102 514 75 17.08 298 40.09 0.0111
2025-11-10 2025-09-30 13F THERMO FISHER COM 883556102 439 439 213 0.0087
2025-08-01 2025-06-30 13F THERMO FISHER COM 883556102 0 -444 -100.00 0 -100.00
2025-04-15 2025-03-31 13F THERMO FISHER COM 883556102 444 18 4.23 221 -0.45 0.0117
2025-01-16 2024-12-31 13F THERMO FISHER COM 883556102 426 52 13.90 222 -4.33 0.0127
2024-10-15 2024-09-30 13F THERMO FISHER COM 883556102 374 0 0.00 231 12.14 0.0146
2024-07-19 2024-06-30 13F THERMO FISHER COM 883556102 374 -13 -3.36 207 -8.04 0.0145
2024-04-24 2024-03-31 13F THERMO FISHER COM 883556102 387 387 225 0.0167
2023-07-18 2023-06-30 13F THERMO FISHER COM 883556102 0 -468 -100.00 0 -100.00
2023-05-11 2023-03-31 13F THERMO FISHER COM 883556102 468 103 28.22 270 33.83 0.0308
2023-05-17 2022-12-31 13F/A-1 THERMO FISHER COM 883556102 365 365 201 0.0256
2023-01-17 2022-12-31 13F THERMO FISHER COM 883556102 365 365 0 0.0000
2022-10-18 2022-09-30 13F THERMO FISHER COM 883556102 0 -383 -100.00 0 -100.00
2022-07-14 2022-06-30 13F THERMO FISHER COM 883556102 383 -49 -11.34 208 -18.43 0.0334
2022-04-21 2022-03-31 13F THERMO FISHER COM 883556102 432 24 5.88 255 -6.25 0.0431
2022-02-10 2021-12-31 13F THERMO FISHER COM 883556102 408 408 272 0.0482
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.