Thermo Fisher Scientific (TMO) Superinvestor holders
51 of the superinvestors we track hold Thermo Fisher Scientific (TMO) in their latest 13F filings, $13.6B in total.
Summary
The largest holder is Ken Fisher (Fisher Investments), with $2.0B, 0.6% of the portfolio.
In their latest quarter: 5 opened a new position, 25 added, 19 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| Ken Fisher Fisher Investments |
Added | 2,990,343 | $2.0B | 0.6% | Q3 2026 |
| Dodge & Cox | Added | 3,054,778 | $1.5B | 0.8% | Q2 2026 |
| Jeremy Grantham GMO |
Added | 2,739,191 | $1.4B | 3.1% | Q2 2026 |
| PRIMECAP Management PRIMECAP Management Co |
Trimmed | 1,982,271 | $994M | 0.6% | Q2 2026 |
| Andreas Halvorsen Viking Global Investors |
Added | 1,937,415 | $971M | 2.8% | Q2 2026 |
| Hersh Cohen ClearBridge Investments |
Added | 1,691,069 | $848M | 0.7% | Q2 2026 |
| Aziz Hamzaogullari Loomis Sayles & Co |
Trimmed | 1,315,185 | $659M | 0.8% | Q2 2026 |
| Tom Steyer Farallon Capital Management LLC |
Added | 1,049,185 | $526M | 3.1% | Q2 2026 |
| Arrowstreet Capital | Added | 1,007,394 | $505M | 0.2% | Q2 2026 |
| First Manhattan First Manhattan Co |
Added | 841,894 | $422M | 1.1% | Q2 2026 |
| Dan Sundheim D1 Capital Partners |
Added | 817,123 | $410M | 1.2% | Q2 2026 |
| Baillie Gifford Baillie Gifford & Co |
Trimmed | 605,185 | $409M | 0.4% | Q3 2026 |
| David Shaw D. E. Shaw & Co. |
Added | 641,637 | $322M | 0.2% | Q2 2026 |
| Larry Robbins Glenview Capital Management |
Added | 627,240 | $314M | 6.3% | Q2 2026 |
| Nick Train Lindsell Train |
Trimmed | 391,841 | $293M | 12.4% | Q3 2026 |
| John Clark Southpoint Capital Advisors |
Added | 500,000 | $251M | 5.7% | Q2 2026 |
| Ensign Peak Ensign Peak Advisors |
Trimmed | 407,064 | $204M | 0.3% | Q2 2026 |
| George Loening Select Equity Group |
Added | 352,700 | $177M | 0.9% | Q2 2026 |
| Steve Cohen Point72 Asset Management |
Trimmed | 277,735 | $139M | 0.2% | Q2 2026 |
| Jennison Associates | Added | 269,128 | $135M | 0.1% | Q2 2026 |
| John Armitage Egerton Capital |
New position | 198,227 | $134M | 1.4% | Q3 2026 |
| Cliff Asness AQR Capital Management |
Added | 257,910 | $129M | 0.0% | Q2 2026 |
| Ric Dillon Diamond Hill Capital Management |
Trimmed | 252,559 | $127M | 1.0% | Q2 2026 |
| Steven Romick First Pacific Advisors |
Added | 248,244 | $124M | 1.6% | Q2 2026 |
| Man Group Man Group plc |
Added | 195,160 | $98M | 0.2% | Q2 2026 |
| Harding Loevner | Added | 169,255 | $85M | 0.8% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Added | 139,499 | $70M | 0.2% | Q2 2026 |
| Wallace Weitz Weitz Investment Management |
Trimmed | 115,200 | $58M | 4.0% | Q2 2026 |
| Tom Gayner Markel Group Inc. |
Added | 74,100 | $50M | 0.4% | Q3 2026 |
| Paul Tudor Jones Tudor Investment Corp |
Added | 71,244 | $36M | 0.1% | Q2 2026 |
| Brandon Haley Holocene Advisors |
Trimmed | 51,680 | $26M | 0.1% | Q2 2026 |
| Jimmy Levin Sculptor Capital Management |
New position | 41,000 | $21M | 0.3% | Q2 2026 |
| David Katz Matrix Asset Advisors |
Trimmed | 23,947 | $16M | 1.3% | Q3 2026 |
| Artisan Partners | Trimmed | 29,927 | $15M | 0.0% | Q2 2026 |
| Acadian Acadian Asset Management |
Added | 20,361 | $14M | 0.0% | Q3 2026 |
| Stanley Druckenmiller Duquesne Family Office |
New position | 19,200 | $10M | 0.2% | Q2 2026 |
| Two Sigma Two Sigma Investments |
Trimmed | 17,014 | $9M | 0.0% | Q2 2026 |
| Ray Dalio Bridgewater Associates |
Trimmed | 12,948 | $6M | 0.0% | Q2 2026 |
| Alan Howard Brevan Howard |
Added | 11,225 | $6M | 0.1% | Q2 2026 |
| Mark Donovan Boston Partners |
Added | 10,819 | $5M | 0.0% | Q2 2026 |
| Ron Baron Baron Capital (BAMCO) |
Trimmed | 9,219 | $5M | 0.0% | Q2 2026 |
| Robert Olstein Olstein Capital Management |
Added | 6,750 | $3M | 0.7% | Q1 2026 |
| Paul Marshall Marshall Wace |
Trimmed | 4,321 | $2M | 0.0% | Q2 2026 |
| Mario Gabelli GAMCO Investors |
Trimmed | 4,060 | $2M | 0.0% | Q2 2026 |
| Fayez Sarofim Fayez Sarofim & Co |
Trimmed | 3,402 | $2M | 0.0% | Q2 2026 |
| Alger Fred Alger Management |
New position | 3,176 | $2M | 0.0% | Q2 2026 |
| Fred DiSanto Ancora Holdings |
Trimmed | 1,655 | $829,751 | 0.0% | Q2 2026 |
| Mairs & Power Mairs & Power Inc |
Held | 1,241 | $622,188 | 0.0% | Q2 2026 |
| Alec Litowitz Magnetar Capital |
Trimmed | 468 | $234,636 | 0.0% | Q2 2026 |
| Robert Torray Torray Investment Partners |
New position | 338 | $228,167 | 0.0% | Q3 2026 |
| Murray Stahl Horizon Kinetics LLC |
Held | 438 | $219,596 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 49 |
| Q1 2026 | 51 |
| Q4 2025 | 51 |
| Q3 2025 | 49 |
| Q2 2025 | 46 |
| Q1 2025 | 42 |
| Q4 2024 | 46 |
| Q3 2024 | 44 |
Questions about Thermo Fisher Scientific
Which superinvestors own Thermo Fisher Scientific?
51 of the superinvestors we track hold Thermo Fisher Scientific (TMO) in their latest 13F filings, $13.6B in total. Ken Fisher, Dodge & Cox, Jeremy Grantham, PRIMECAP Management, Andreas Halvorsen, Hersh Cohen.
Who is the largest superinvestor holder of TMO?
The largest holder is Ken Fisher (Fisher Investments), with $2.0B, 0.6% of the portfolio.
From Thermo Fisher Scientific's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.