賽默飛世爾科技公司
MX ˙ BMV ˙ US8835561023
SecurityMX:TMO / Thermo Fisher Scientific Inc.
InstitutionCapital Fund Management S.a.
Latest Disclosed Ownership22,205 shares
Latest Disclosed Value $ 10,914,423
Capital Fund Management S.a. ownership in TMO / Thermo Fisher Scientific Inc.

On May 14, 2026 - Capital Fund Management S.a. filed a 13F-HR form disclosing ownership of 22,205 shares of Thermo Fisher Scientific Inc. (MX:TMO) valued at $10,914,423 USD as of March 31, 2026. The entity filed a previous 13F-HR on November 13, 2025 disclosing 0 shares of Thermo Fisher Scientific Inc..

Capital Fund Management S.a. has a history of taking positions in derivatives of the underlying security (TMO) in the form of stock options. The firm currently holds call options representing 10,500 of underlying shares valued at $5,161,065 USD and put options representing 25,700 of underlying shares valued at $12,632,321 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

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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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

MX:TMO / Thermo Fisher Scientific Inc. Historical Put/Call Ratio
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)
2026-05-14 2026-03-31 13F THERMO FISHER SCIENTIFIC INC COM THERMO FISHER SCIENTIFIC INC COM 883556102 22,205 22,205 10,914 0.0493
2025-11-13 2025-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 0 -131,832 -100.00 0 -100.00
2025-08-13 2025-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 131,832 110,073 505.87 53,453 393.69 0.1472
2025-05-14 2025-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 21,759 -32,965 -60.24 10,827 -61.97 0.0312
2025-02-13 2024-12-31 13F THERMO FISHER SCIENTIFIC COM 883556102 54,724 10,668 24.21 28,469 4.47 0.0726
2024-11-13 2024-09-30 13F THERMO FISHER SCIENTIFIC COM 883556102 44,056 -7,475 -14.51 27,252 -4.37 0.0746
2024-08-13 2024-06-30 13F THERMO FISHER SCIENTIFIC COM 883556102 51,531 37,623 270.51 28,497 252.54 0.0838
2024-05-15 2024-03-31 13F THERMO FISHER SCIENTIFIC COM 883556102 13,908 13,908 8,083 0.0234
2019-08-12 2019-06-30 13F Thermo Fisher Scientific COM 883556102 0 -1,709 -100.00 0 -100.00
2019-05-13 2019-03-31 13F/A-1 Thermo Fisher Scientific COM 883556102 1,709 -12,804 -88.22 468 -85.59 0.0042
2019-05-13 2019-03-31 13F Thermo Fisher Scientific COM 883556102 14,513 0 3,248
2019-02-13 2018-12-31 13F Thermo Fisher Scientific COM 883556102 14,513 14,513 749.21 3,248 594.02 0.0287
2018-05-15 2018-03-31 13F Thermo Fisher Scientific COM 883556102 0 -11,396 -100.00 0 -100.00
2018-02-09 2017-12-31 13F Thermo Fisher Scientific COM 883556102 11,396 11,396 2,164 0.0119
2017-11-13 2017-09-30 13F Thermo Fisher Scientific COM 883556102 0 -27,981 -100.00 0 -100.00
2017-08-10 2017-06-30 13F Thermo Fisher Scientific COM 883556102 27,981 -87,790 -75.83 4,882 -72.55 0.0394
2017-05-03 2017-03-31 13F Thermo Fisher Scientific COM 883556102 115,771 115,771 313.75 17,782 264.24 0.1483
2015-01-28 2014-12-31 13F Thermo Fisher Scientific COM 883556102 0 -8,426 -100.00 0 -100.00
2014-10-31 2014-09-30 13F Thermo Fisher Scientific COM 883556102 8,426 -18,449 -68.65 1,025 -68.28 0.0115
2014-05-14 2014-03-31 13F Thermo Fisher Scientific COM 883556102 26,875 26,875 3,231 0.0395
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F THERMO FISHER SCIENTIFIC INC COM THERMO FISHER SCIENTIFIC INC COM Call 10,500 -70.75 5,161 -75.19 n/a n/a n/a
2026-02-17 2025-12-31 13F THERMO FISHER SCIENTIFIC INC COM THERMO FISHER SCIENTIFIC INC COM Call 35,900 -80.45 20,802 -76.64 n/a n/a n/a
2025-11-13 2025-09-30 13F THERMO FISHER SCIENTIFIC COM Call 183,600 -9.24 89,050 8.56 n/a n/a n/a
2025-08-13 2025-06-30 13F THERMO FISHER SCIENTIFIC COM Call 202,300 82,025 n/a n/a n/a
2025-05-14 2025-03-31 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2025-02-13 2024-12-31 13F THERMO FISHER SCIENTIFIC COM Call 20,100 15.52 10,457 -2.85 n/a n/a n/a
2024-11-13 2024-09-30 13F THERMO FISHER SCIENTIFIC COM Call 17,400 10,763 n/a n/a n/a
2024-08-13 2024-06-30 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-15 2024-03-31 13F THERMO FISHER SCIENTIFIC COM Call 21,900 -82.31 12,728 -80.63 n/a n/a n/a
2024-02-14 2023-12-31 13F THERMO FISHER SCIENTIFIC COM Call 123,800 65,712 n/a n/a n/a
2023-11-14 2023-09-30 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-08-14 2023-06-30 13F THERMO FISHER SCIENTIFIC COM Call 12,800 6,678 n/a n/a n/a
2023-02-13 2022-12-31 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-11-14 2022-09-30 13F THERMO FISHER SCIENTIFIC COM Call 20,900 10,600 n/a n/a n/a
2022-08-12 2022-06-30 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-12 2022-03-31 13F THERMO FISHER SCIENTIFIC COM Call 31,800 18,783 n/a n/a n/a
2022-02-10 2021-12-31 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-11-12 2021-09-30 13F THERMO FISHER SCIENTIFIC COM Call 17,200 -8.02 9,827 4.17 n/a n/a n/a
2021-08-12 2021-06-30 13F THERMO FISHER SCIENTIFIC COM Call 18,700 9,434 n/a n/a n/a
2021-05-14 2021-03-31 13F THERMO FISHER SCIENTIFIC COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-12 2020-12-31 13F THERMO FISHER SCIENTIFIC COM Call 37,400 17,420 n/a n/a n/a
2020-05-13 2020-03-31 13F Thermo Fisher Scientific COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2020-02-13 2019-12-31 13F Thermo Fisher Scientific COM Call 3,600 -65.71 1,170 -61.74 n/a n/a n/a
2019-11-13 2019-09-30 13F Thermo Fisher Scientific COM Call 10,500 -82.26 3,058 -82.41 n/a n/a n/a
2019-08-12 2019-06-30 13F Thermo Fisher Scientific COM Call 59,200 405.98 17,386 442.80 n/a n/a n/a
2019-05-13 2019-03-31 13F/A Thermo Fisher Scientific COM Call 11,700 101.72 3,203 146.76 n/a n/a n/a
2019-05-13 2019-03-31 13F Thermo Fisher Scientific COM Call 5,800 1,298 n/a n/a n/a
2019-02-13 2018-12-31 13F Thermo Fisher Scientific COM Call 5,800 23.40 1,298 13.16 n/a n/a n/a
2018-11-14 2018-09-30 13F Thermo Fisher Scientific COM Call 4,700 -18.97 1,147 -11.63 n/a n/a n/a
2018-05-15 2018-03-31 13F Thermo Fisher Scientific COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2018-02-09 2017-12-31 13F Thermo Fisher Scientific COM Call 2,600 116.67 494 117.62 n/a n/a n/a
2017-11-13 2017-09-30 13F Thermo Fisher Scientific COM Call 1,200 -50.00 227 -45.82 n/a n/a n/a
2017-08-10 2017-06-30 13F Thermo Fisher Scientific COM Call 2,400 100.00 419 84.58 n/a n/a n/a
2017-02-08 2016-12-31 13F Thermo Fisher Scientific COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-10-31 2016-09-30 13F Thermo Fisher Scientific COM Call 2,000 17.65 318 26.69 n/a n/a n/a
2016-07-27 2016-06-30 13F Thermo Fisher Scientific COM Call 1,700 -15.00 251 -21.07 n/a n/a n/a
2016-05-02 2016-03-31 13F Thermo Fisher Scientific COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2016-01-28 2015-12-31 13F Thermo Fisher Scientific COM Call 7,200 1,021 n/a n/a n/a
2015-01-28 2014-12-31 13F Thermo Fisher Scientific COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2014-10-31 2014-09-30 13F Thermo Fisher Scientific COM Call 5,400 -89.02 657 -88.68 n/a n/a n/a
2014-08-01 2014-06-30 13F Thermo Fisher Scientific COM Call 49,200 44.28 5,806 41.61 n/a n/a n/a
2014-05-14 2014-03-31 13F Thermo Fisher Scientific COM Call 34,100 234.31 4,100 260.92 n/a n/a n/a
2014-01-31 2013-12-31 13F Thermo Fisher Scientific COM Call 10,200 308.00 1,136 435.85 n/a n/a n/a
2013-07-31 2013-06-30 13F Thermo Fisher Scientific COM Call 2,500 212 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2026-05-14 2026-03-31 13F THERMO FISHER SCIENTIFIC INC COM THERMO FISHER SCIENTIFIC INC COM Put 25,700 -47.87 12,632 -55.78 n/a n/a n/a
2026-02-17 2025-12-31 13F THERMO FISHER SCIENTIFIC INC COM THERMO FISHER SCIENTIFIC INC COM Put 49,300 -67.57 28,567 -61.25 n/a n/a n/a
2025-11-13 2025-09-30 13F THERMO FISHER SCIENTIFIC COM Put 152,000 -12.74 73,723 4.38 n/a n/a n/a
2025-08-13 2025-06-30 13F THERMO FISHER SCIENTIFIC COM Put 174,200 70,631 n/a n/a n/a
2025-02-13 2024-12-31 13F THERMO FISHER SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-11-13 2024-09-30 13F THERMO FISHER SCIENTIFIC COM Put 12,500 7,732 n/a n/a n/a
2024-08-13 2024-06-30 13F THERMO FISHER SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2024-05-15 2024-03-31 13F THERMO FISHER SCIENTIFIC COM Put 32,000 -61.40 18,599 -57.73 n/a n/a n/a
2024-02-14 2023-12-31 13F THERMO FISHER SCIENTIFIC COM Put 82,900 44,002 n/a n/a n/a
2023-11-14 2023-09-30 13F THERMO FISHER SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-08-14 2023-06-30 13F THERMO FISHER SCIENTIFIC COM Put 23,200 12,105 n/a n/a n/a
2022-08-12 2022-06-30 13F THERMO FISHER SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2022-05-12 2022-03-31 13F THERMO FISHER SCIENTIFIC COM Put 28,400 53.51 16,774 35.90 n/a n/a n/a
2022-02-10 2021-12-31 13F THERMO FISHER SCIENTIFIC COM Put 18,500 -21.94 12,344 -8.84 n/a n/a n/a
2021-11-12 2021-09-30 13F THERMO FISHER SCIENTIFIC COM Put 23,700 -4.44 13,541 8.23 n/a n/a n/a
2021-08-12 2021-06-30 13F THERMO FISHER SCIENTIFIC COM Put 24,800 12,511 n/a n/a n/a
2021-05-14 2021-03-31 13F THERMO FISHER SCIENTIFIC COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2021-02-12 2020-12-31 13F THERMO FISHER SCIENTIFIC COM Put 28,000 13,042 n/a n/a n/a
2020-02-13 2019-12-31 13F Thermo Fisher Scientific COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2019-11-13 2019-09-30 13F Thermo Fisher Scientific COM Put 3,700 -87.63 1,078 -87.72 n/a n/a n/a
2019-08-12 2019-06-30 13F Thermo Fisher Scientific COM Put 29,900 309.59 8,781 339.49 n/a n/a n/a
2019-05-13 2019-03-31 13F/A Thermo Fisher Scientific COM Put 7,300 284.21 1,998 370.12 n/a n/a n/a
2019-05-13 2019-03-31 13F Thermo Fisher Scientific COM Put 1,900 425 n/a n/a n/a
2019-02-13 2018-12-31 13F Thermo Fisher Scientific COM Put 1,900 -82.73 425 -84.17 n/a n/a n/a
2018-11-14 2018-09-30 13F Thermo Fisher Scientific COM Put 11,000 478.95 2,685 531.76 n/a n/a n/a
2018-05-15 2018-03-31 13F Thermo Fisher Scientific COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2018-02-09 2017-12-31 13F Thermo Fisher Scientific COM Put 1,800 -10.00 342 -9.52 n/a n/a n/a
2017-11-13 2017-09-30 13F Thermo Fisher Scientific COM Put 2,000 11.11 378 10.53 n/a n/a n/a
2016-05-02 2016-03-31 13F Thermo Fisher Scientific COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2016-01-28 2015-12-31 13F Thermo Fisher Scientific COM Put 7,100 1,007 n/a n/a n/a
2015-01-28 2014-12-31 13F Thermo Fisher Scientific COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2014-10-31 2014-09-30 13F Thermo Fisher Scientific COM Put 3,000 -89.25 365 -88.91 n/a n/a n/a
2014-08-01 2014-06-30 13F Thermo Fisher Scientific COM Put 27,900 96.48 3,292 92.85 n/a n/a n/a
2014-05-14 2014-03-31 13F Thermo Fisher Scientific COM Put 14,200 47.92 1,707 59.68 n/a n/a n/a
2014-01-31 2013-12-31 13F Thermo Fisher Scientific COM Put 9,600 104.26 1,069 168.59 n/a n/a n/a
2013-07-31 2013-06-30 13F Thermo Fisher Scientific COM Put 4,700 398 n/a n/a n/a
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.