Thermo Fisher Scientific Inc.
TMO- Exchange
- NYSE
- Industry
- Measuring & Controlling Devices, NEC
- SEC CIK
- 0000097745
In the last 90 days, Thermo Fisher Scientific Inc. insiders filed 0 open-market purchases and 6 sales; 2,639 institutions reported holding it in 13F filings for Q2 2026, worth $169.2B in total; 6 superinvestors hold it, including Viking Global Investors and D1 Capital Partners.
Key figures
- Market capClose on Nov 10, 2026
- $266.1B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $39.6M in total
- 6
- 13F holdersQ2 2026, +51 vs. previous quarter
- 2,639
- 13F valueReported value at the end of Q2 2026
- $169.2B
- Superinvestors holdingAt the end of Q2 2026
- 6
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $44.6B
- +3.9% year over year
- Net income, FY2025
- $6.70B
- +5.8% year over year
- Free cash flow, FY2025
- $6.29B
- −13.4% year over year
- Revenue, Q3 FY2026
- $12.1B
- +9.1% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.78M
- Shares sold short
- Change
- −103.1K
- −2.1% vs. previous
- Days to cover
- 1.97
- At average daily volume
Superinvestors holding TMO, Q2 2026
Go to the superinvestors tab6 superinvestors report holding Thermo Fisher Scientific Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Viking Global Investors
Andreas Halvorsen
2.8%
Thermo Fisher Scientific Inc.'s share of the portfolio
- Shares
- 1,937,415
- Value
- $971.3M
D1 Capital Partners
Dan Sundheim
1.2%
Thermo Fisher Scientific Inc.'s share of the portfolio
- Shares
- 817,123
- Value
- $409.7M
| Superinvestor | Weight | Value |
|---|---|---|
| Lindsell Train | 9.8% | $258.0M |
| Weitz Investment Management | 4.0% | $57.8M |
| Markel Group | 0.3% | $36.6M |
| Duquesne Family Office | 0.2% | $9.63M |
Latest insider trades
See all insider tradesOpen-market purchases and sales by Thermo Fisher Scientific Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 30, 2026 (view filing)4:45 PM ET | Oct 28 | 2 days | Britt Lisa P.Sr. VP and Chief HR Officer | SSale | −2.83K | $706.45 | −$2.00M | −19.7%11.6K after | |
| Sep 1, 2026 (view filing)4:10 PM ET | Aug 31 | 1 day | Pettiti GianlucaPresident & COO | SSale | −4.13K | $614.38 | −$2.54M | −15.1%23.2K after | 2 lots10b5-1 |
| Aug 26, 2026 (view filing)4:01 PM ET | Aug 24 | 2 days | Casper Marc NChairman & CEO | SSale | −275 | $627.05 | −$172.4K | −0.2%123.9K after | 4 lots10b5-1 |
| Aug 24, 2026 (view filing)4:02 PM ET | Aug 20-21 | 4 days | Casper Marc NChairman & CEO | SSale | −20.0K | $628.09 | −$12.6M | −13.9%123.9K after | 14 lots10b5-1 |
| Aug 20, 2026 (view filing)4:02 PM ET | Aug 19 | 1 day | Britt Lisa P.Sr. VP and Chief HR Officer | SSale | −11.4K | $613.12 | −$7.01M | −43.6%14.8K after | |
| Aug 13, 2026 (view filing)4:01 PM ET | Aug 11 | 2 days | Shafer Michael DExecutive Vice President | SSale | −25.5K | $600.00 | −$15.3M | −54.8%21.0K after | 2 lots10b5-1 |
| Aug 10, 2026 (view filing)4:09 PM ET | Aug 7 | 3 days | Holmes Joseph R.VP & Chief Accounting Officer | SSale | −420 | $584.81 | −$245.6K | −12.4%2.97K after | |
| Aug 10, 2026 (view filing)4:09 PM ET | Aug 7 | 3 days | Casper Marc NChairman & CEO | SSale | −275 | $586.10 | −$161.2K | −0.2%123.9K after | 15 lots10b5-1 |
| Aug 10, 2026 (view filing)4:09 PM ET | Aug 7 | 3 days | Casper Marc NChairman & CEO | SSale | −4.61K | $586.12 | −$2.70M | −100.0%0 after | 12 lots10b5-1 |
| Aug 7, 2026 (view filing)5:32 PM ET | Aug 6 | 1 day | Britt Lisa P.Sr. VP and Chief HR Officer | SSale | −5.85K | $580.00 | −$3.39M | −28.4%14.8K after |
Top 10 13F holders, Q2 2026
See all 2,639 holdersThe largest institutional positions in Thermo Fisher Scientific Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 30,919,632 | $15.5B | 0.23% | +492,440+1.6% | Added |
| Vanguard Capital Management LLC | 24,276,316 | $12.2B | 0.26% | −4,5000.0% | Reduced |
| State Street Corp | 16,825,879 | $8.44B | 0.25% | +94,211+0.6% | Added |
| FMR LLC | 14,084,488 | $7.06B | 0.31% | +3,308,052+30.7% | Added |
| Morgan Stanley | 10,763,066 | $5.40B | 0.29% | −100,462−0.9% | Reduced |
| JPMorgan Chase & Co | 8,503,527 | $4.31B | 0.25% | +1,708,045+25.1% | Added |
| Geode Capital Management, LLC | 8,382,401 | $4.18B | 0.22% | −25,490−0.3% | Reduced |
| Franklin Resources Inc | 7,271,514 | $3.65B | 0.79% | +458,483+6.7% | Added |
| Vanguard Portfolio Management LLC | 6,226,169 | $3.12B | 0.14% | +62,799+1.0% | Added |
| Capital World Investors | 6,195,370 | $3.11B | 0.37% | −450,946−6.8% | Reduced |
Holders of 5% or more of TMO
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Thermo Fisher Scientific Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 7.53%28.0M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
| FMR LLC | 13G | 6.00%22.3M shares | New | Nov 5, 20261 filing | Nov 5, 2026 | SEC |
Politician trades
All politician trades in TMO34 members of Congress reported 94 trades in Thermo Fisher Scientific Inc. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 7, 2026 |  Michael A. Rulli House · OH | Sell | $1K-$15K |
| Jul 21, 2026 |  Alan Armstrong Senate · OK | Buy | $1K-$15K |
| Jul 17, 2026 |  Dan Newhouse House · WA | Sell | $1K-$15K |
| May 15, 2026 |  Dwight Evans House · PA | Sell (partial) | $1K-$15K |
| Jan 13, 2026 |  Julia Letlow House · LA | Buy | $1K-$15K |
House · OH · Aug 7, 2026
Sell$1K-$15K
Senate · OK · Jul 21, 2026
Buy$1K-$15K
House · WA · Jul 17, 2026
Sell$1K-$15K
House · PA · May 15, 2026
Sell (partial)$1K-$15K
House · LA · Jan 13, 2026
Buy$1K-$15K