Thermo Fisher Scientific Inc.
US ˙ NYSE ˙ US8835561023

SecurityTMO / Thermo Fisher Scientific Inc.
InstitutionPittenger & Anderson Inc
Latest Disclosed Ownership7,742 shares
Latest Disclosed Value $ 3,805,426
Pittenger & Anderson Inc reports 545.17% increase in ownership of TMO / Thermo Fisher Scientific Inc.

On May 1, 2026 - Pittenger & Anderson Inc filed a 13F-HR form disclosing ownership of 7,742 shares of Thermo Fisher Scientific Inc. (US:TMO) valued at $3,805,425 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 1,200 shares of Thermo Fisher Scientific Inc.. This represents a change in shares of 545.17% during the quarter. The current value of the position is $3,669,321 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)
2026-05-01 2026-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 7,742 6,542 545.17 3,805 447.48 0.1514
2026-02-02 2025-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,200 -192 -13.79 695 2.96 0.0268
2025-11-03 2025-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,392 -501 -26.47 675 -11.99 0.0248
2025-07-30 2025-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,893 -19,736 -91.25 768 -92.87 0.0281
2025-05-01 2025-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 21,629 -741 -3.31 10,763 -7.52 0.3944
2025-01-31 2024-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 22,370 -2,797 -11.11 11,638 -25.25 0.4227
2024-10-30 2024-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 25,167 304 1.22 15,568 13.22 0.5831
2024-08-09 2024-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 24,863 76 0.31 13,749 -4.56 0.5649
2024-05-02 2024-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 24,787 1,945 8.52 14,406 18.82 0.5852
2024-02-02 2023-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 22,842 -1,852 -7.50 12,124 -3.00 0.5432
2023-11-02 2023-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 24,694 -545 -2.16 12,499 -5.08 0.6304
2023-08-09 2023-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 25,239 -207 -0.81 13,168 -10.21 0.6334
2023-05-10 2023-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 25,446 -620 -2.38 14,666 2.17 0.7578
2023-02-10 2022-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 26,066 116 0.45 14,354 9.06 0.7890
2022-11-15 2022-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 25,950 84 0.32 13,162 -6.33 0.7906
2022-07-14 2022-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 25,866 564 2.23 14,052 -5.98 0.8202
2022-04-28 2022-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 25,302 783 3.19 14,945 -8.65 0.7330
2022-02-10 2021-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 24,519 1,191 5.11 16,360 22.75 0.7558
2021-11-12 2021-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 23,328 7,373 46.21 13,328 65.59 0.6687
2021-08-13 2021-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 15,955 -417 -2.55 8,049 7.72 0.4123
2021-05-12 2021-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 16,372 2,812 20.74 7,472 18.30 0.4030
2021-02-11 2020-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 13,560 6,473 91.34 6,316 101.85 0.3582
2020-11-10 2020-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 7,087 316 4.67 3,129 27.56 0.1998
2020-08-13 2020-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 6,771 543 8.72 2,453 38.90 0.1726
2020-04-30 2020-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 6,228 2,462 65.37 1,766 44.40 0.1501
2020-02-12 2019-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 3,766 329 9.57 1,223 22.18 0.0818
2019-11-14 2019-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 3,437 430 14.30 1,001 13.36 0.0722
2019-08-09 2019-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 3,007 752 33.35 883 43.11 0.0661
2019-05-10 2019-03-31 13F THERMO FISHER SCIENTIFIC I COM 883556102 2,255 275 13.89 617 39.28 0.0483
2019-02-14 2018-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,980 0 0.00 443 -8.28 0.0407
2018-10-12 2018-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,980 5 0.25 483 18.09 0.0381
2018-08-15 2018-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,975 -200 -9.20 409 -8.91 0.0350
2018-05-08 2018-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 2,175 721 49.59 449 62.68 0.0393
2018-02-13 2017-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,454 -125 -7.92 276 -7.69 0.0242
2017-11-13 2017-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,579 -75 -4.53 299 3.46 0.0271
2017-08-10 2017-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 1,654 -165 -9.07 289 3.58 0.0276
2017-05-15 2017-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,819 35 1.96 279 10.71 0.0280
2017-02-16 2016-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,784 -380 -17.56 252 -26.74 0.0268
2016-11-14 2016-09-30 13F THERMO FISHER SCIENTIFIC IN COM 883556102 2,164 59 2.80 344 10.61 0.0382
2016-08-09 2016-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 2,105 -205 -8.87 311 -4.89 0.0343
2016-05-13 2016-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 2,310 -25 -1.07 327 -1.21 0.0380
2016-02-10 2015-12-31 13F THERMO FISHER SCIENTIFIC IN COM 883556102 2,335 -350 -13.04 331 0.91 0.0415
2015-11-10 2015-09-30 13F THERMO FISHER SCIENTIFIC I COM 883556102 2,685 0 0.00 328 -5.75 0.0433
2015-08-14 2015-06-30 13F THERMO FISHER SCIENTIFIC IN COM 883556102 2,685 780 40.94 348 35.94 0.0447
2015-05-12 2015-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,905 350 22.51 256 31.28 0.0330
2015-02-18 2014-12-31 13F/A-1 THERMO FISHER SCIENTIFIC COM 883556102 1,555 1,055 211.00 195 219.67 0.0257
2015-02-13 2014-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 1,555 195
2014-11-13 2014-09-30 13F Thermo Fisher Scientific COM 883556102 500 0 0.00 61 3.39 0.0089
2014-08-15 2014-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 500 500 59 0.0087
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.