Thermo Fisher Scientific Inc. 13F holders
Of the 44 funds followed here, 15 reported a position in Thermo Fisher Scientific Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 14.1 million shares worth $7.06 billion, 0.3% of its reported book. New this quarter: Duquesne Family Office. Sold out: Renaissance Technologies.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 14,084,488 | $7.06 billion | 0.3% | +3,308,052 | added | 30 June 2026 | 13F |
| Geode Capital Management | 8,382,401 | $4.18 billion | 0.2% | -25,490 | trimmed | 30 June 2026 | 13F |
| Norges Bank | 5,087,903 | $2.55 billion | 0.3% | held | 30 June 2026 | 13F | |
| Capital Research Global Investors | 4,147,545 | $2.08 billion | 0.3% | -267,076 | trimmed | 30 June 2026 | 13F |
| Dodge & Cox | 3,054,778 | $1.53 billion | 0.8% | +3,029,037 | added | 30 June 2026 | 13F |
| Viking Global Investors | 1,937,415 | $971.3 million | 2.8% | +269,390 | added | 30 June 2026 | 13F |
| Citadel Advisors | 1,127,692 | $565.4 million | 0.1% | -227,997 | trimmed | 30 June 2026 | 13F |
| Baillie Gifford | 645,648 | $323.7 million | 0.3% | -52,793 | trimmed | 30 June 2026 | 13F |
| Alyeska | 376,071 | $188.5 million | 0.5% | +251,127 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 300,735 | $150.8 million | 0.2% | -78,006 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 258,075 | $129.4 million | 0.0% | +4,779 | added | 30 June 2026 | 13F |
| Two Sigma Investments | 21,614 | $10.8 million | 0.0% | -166,279 | trimmed | 30 June 2026 | 13F |
| Duquesne Family Office | 19,200 | $9.6 million | 0.2% | +19,200 | new | 30 June 2026 | 13F |
| Bridgewater Associates | 12,948 | $6.5 million | 0.0% | -1,539 | trimmed | 30 June 2026 | 13F |
| Ratan Capital | 1,550 | $777,108 | 0.3% | no change | held | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -138,964 | exited | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 April 2026 | 13G | Vanguard Capital Management and 1 other | 28.0 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 24 August 2026 | 2,900 | $629.27 | SEC |
| 19 August 2026 | 400 | $589.04 | SEC |
| 3 August 2026 | 100 | $574.30 | SEC |
| 29 July 2026 | 2,340 | $576.41 | SEC |
| 27 July 2026 | 86 | $568.26 | SEC |
| 24 July 2026 | 4 | $572.32 | SEC |
| 20 July 2026 | 15 | $532.48 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 2,900 on 24 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to TMO by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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