Thermo Fisher Scientific Inc.
IT ˙ BIT ˙ US8835561023
410,00 € ↓ -7,10 (-1,70%)
2026-06-03
DEL PRIS
SecurityIT:1TMO / Thermo Fisher Scientific Inc.
InstitutionLeelyn Smith, LLC
Latest Disclosed Ownership9,351 shares
Latest Disclosed Value $ 4,596,112
Leelyn Smith, LLC reports 5.35% increase in ownership of 1TMO / Thermo Fisher Scientific Inc.

On April 27, 2026 - Leelyn Smith, LLC filed a 13F-HR form disclosing ownership of 9,351 shares of Thermo Fisher Scientific Inc. (IT:1TMO) valued at $3,941,446 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 28, 2026 disclosing 8,876 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of 5.35% during the quarter. The current value of the position is $3,833,910 USD.

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)
2026-04-27 2026-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 9,351 475 5.35 4,596 -10.64 0.6446
2026-01-28 2025-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 8,876 169 1.94 5,143 21.79 0.7437
2025-10-30 2025-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 8,707 501 6.11 4,223 26.93 0.6360
2025-07-31 2025-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 8,206 601 7.90 3,327 -12.08 0.5459
2025-05-02 2025-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 7,605 397 5.51 3,784 0.93 0.6724
2025-02-10 2024-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 7,208 228 3.27 3,750 -13.16 0.6679
2024-11-12 2024-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 6,980 257 3.82 4,318 16.14 0.7793
2024-08-08 2024-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 6,723 200 3.07 3,718 -1.95 0.7186
2024-05-14 2024-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 6,523 159 2.50 3,791 12.26 0.7589
2024-02-09 2023-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 6,364 486 8.27 3,378 13.51 0.7398
2023-11-06 2023-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 5,878 290 5.19 2,975 2.06 0.7261
2023-08-10 2023-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 5,588 5,588 2,916 0.7043
2023-05-12 2023-03-31 13F THERMO FISHER COMMON STOCK 883556102 0 -150 -100.00 0 -100.00
2023-02-10 2022-12-31 13F THERMO FISHER COMMON STOCK 883556102 150 110 275.00 83 310.00 0.0227
2022-11-14 2022-09-30 13F THERMO FISHER COMMON STOCK 883556102 40 -550 -93.22 20 -93.75 0.0069
2022-08-09 2022-06-30 13F THERMO FISHER COMMON STOCK 883556102 590 295 100.00 320 83.91 0.0830
2022-05-11 2022-03-31 13F THERMO FISHER COMMON STOCK 883556102 295 0 0.00 174 -11.68 0.0453
2022-02-14 2021-12-31 13F THERMO FISHER COMMON STOCK 883556102 295 0 0.00 197 16.57 0.0527
2021-11-12 2021-09-30 13F THERMO FISHER COMMON STOCK 883556102 295 0 0.00 169 13.42 0.0489
2021-08-31 2021-06-30 13F THERMO FISHER COMMON STOCK 883556102 295 11 3.87 149 14.62 0.0439
2021-05-05 2021-03-31 13F THERMO ELECTRON COMMON STOCK 883556102 284 0 0.00 130 -1.52 0.0387
2021-01-15 2020-12-31 13F THERMO FISHER SCNTFC Common Stock 883556102 284 -335 -54.12 132 -51.65 0.0422
2020-11-05 2020-09-30 13F Thermo Electron Common Stock 883556102 619 0 0.00 273 21.88 0.0963
2020-08-06 2020-06-30 13F Thermo Electron Common Stock 883556102 619 -197 -24.14 224 -3.03 0.0923
2020-05-06 2020-03-31 13F Thermo Electron COM 883556102 816 -65 -7.38 231 -20.07 0.1232
2020-02-06 2019-12-31 13F THERMO FISHER SCNTFC COM 883556102 881 881 289 0.1391
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.