Thermo Fisher Scientific Ownership | Who Owns Thermo Fisher Scientific?
Thermo Fisher Scientific Ownership Summary
Thermo Fisher Scientific is owned by 94.89% institutional investors, 0.13% insiders, and 4.98% retail investors. Vanguard group is the largest institutional shareholder, holding 9.08% of TMO shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.21% of its assets in Thermo Fisher Scientific shares.
TMO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Thermo Fisher Scientific | 94.89% | 0.13% | 4.98% |
| Sector | Healthcare Stocks | 50.50% | 12.33% | 37.17% |
| Industry | Diagnostics & Research Stocks | 76.11% | 10.46% | 13.43% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 34.13M | 9.08% | $19.78B |
| Blackrock funding, inc. /de | 30.92M | 8.31% | $15.50B |
| Blackrock | 29.53M | 7.73% | $16.33B |
| Vanguard capital management | 24.28M | 6.53% | $12.17B |
| State street | 16.83M | 4.52% | $8.44B |
| Ci private wealth | 16.19M | 4.35% | $384.90M |
| Fmr | 14.08M | 3.79% | $7.06B |
| Morgan stanley | 10.76M | 2.89% | $5.40B |
| Jpmorgan chase | 8.50M | 2.29% | $4.31B |
| Geode capital management | 8.38M | 2.25% | $4.18B |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Teca partners, lp | 44.45K | 19.16% | $22.29M |
| Cryder capital partners llp | 419.18K | 13.24% | $210.16M |
| Spinecap sas | 72.48K | 10.86% | $36.34M |
| Lindsell train | 514.51K | 9.81% | $257.96M |
| Unisphere establishment | 2.06M | 8.79% | $1.03B |
| Edgepoint investment group | 2.18M | 8.26% | $1.09B |
| Veritas asset management llp | 882.87K | 7.96% | $442.64M |
| R.h. dinel investment counsel | 17.92K | 6.90% | $8.98M |
| Caledonia investments | 111.77K | 6.34% | $55.97M |
| Wormser freres gestion | 21.76K | 6.32% | $11.18M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ci private wealth | 16.19M | 0.49% | 15.36M |
| Norges bank | 5.09M | 0.25% | 5.09M |
| Fmr | 14.08M | 0.31% | 3.31M |
| Sixth street partners management company | 3.11M | 0.21% | 3.11M |
| Dodge & cox | 3.05M | 0.80% | 3.03M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Soundwatch capital | - | - | -1.99M |
| Bank of america corp /de/ | 3.90M | 0.13% | -1.64M |
| Tci fund management | - | - | -1.52M |
| Alphinity investment management pty | - | - | -1.44M |
| Price t rowe associates inc /md/ | 5.12M | 0.26% | -1.20M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 5.09M | 0.25% | 5.09M | $2.55B |
| Sixth street partners management company | 3.11M | 0.21% | 3.11M | $1.56B |
| Axa investment managers | 403.14K | 0.53% | 403.14K | $195.53M |
| Freestone grove partners lp | 226.24K | 0.73% | 226.24K | $113.43M |
| Castle hook partners lp | 165.97K | 0.38% | 165.97K | $83.21M |
Sold Out
| Holder | Change |
|---|---|
| Ross\johnson & associates | -1.00 |
| Richardson capital management | -1.00 |
| Kimelman & baird | -2.00 |
| Bear mountain capital | -2.00 |
| Sugar maple asset management | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 2,667 | 0.26% | 352,992,702 | 6.29% | 94 | 1.19% | 1,123 | -0.62% | 1,137 | 2.62% |
| Mar 31, 2026 | 1,764 | -35.90% | 111,067,690 | -70.53% | 29 | 0.29% | 761 | -41.33% | 730 | -30.21% |
| Dec 31, 2025 | 2,162 | -16.01% | 251,583,106 | -24.05% | 66 | 0.87% | 1,003 | -17.99% | 838 | -11.13% |
| Sep 30, 2025 | 2,064 | -17.57% | 229,669,497 | -26.88% | 60 | 0.88% | 1,009 | -5.44% | 748 | -28.21% |
| Jun 30, 2025 | 2,490 | -4.67% | 334,702,557 | 1.05% | 88 | 1.15% | 1,057 | -10.04% | 1,036 | 4.44% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 12.10M | 3.21% | 6.98K |
| Vanguard Morn Total Stk Mkt Idx Investor | 11.80M | 3.18% | -23.60K |
| Vanguard Total Stock Mkt Idx Inv | 11.80M | 3.18% | -23.60K |
| Vanguard 500 Index Investor | 9.65M | 2.60% | -184.74K |
| iShares Core S&P 500 ETF | 5.01M | 1.36% | 7.99K |
| Fidelity 500 Index | 4.77M | 1.28% | -40.68K |
| SPDR® S&P 500 ETF | 4.76M | 1.26% | -69.75K |
| State Street® SPDR® S&P 500® ETF | 4.59M | 1.24% | 3.87K |
| SPDR® S&P 500® ETF Trust | 4.63M | 1.23% | -24.30K |
| SPDR® S&P 500® ETF | 4.56M | 1.21% | 56.17K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 11, 2026 | Shafer Michael D | Executive Vice President | Sell | $8.58M |
| Aug 07, 2026 | Holmes Joseph R. | VP & Chief Accounting Officer | Sell | $245.62K |
| Aug 07, 2026 | CASPER MARC N | Chairman & CEO | Sell | $1.16K |
| Aug 07, 2026 | CASPER MARC N | Chairman & CEO | Sell | $3.46K |
| Aug 07, 2026 | CASPER MARC N | Chairman & CEO | Sell | $2.32K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | 71 |
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | 35 |
| 2025 Q4 | - | 29 |
| 2025 Q3 | - | 32 |
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