Thermo Fisher Scientific Inc. 13F holders
2,640 funds reported a position in Thermo Fisher Scientific Inc. in their 13F for the quarter ended 30 June 2026, together 336.4 million shares worth $169.41 billion. Against the quarter before, 142 opened a position, 916 added, 1,146 trimmed and 150 sold out; together they sold a net 2.6 million shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and State Street Corp.
Funds holding2,640+19 on Q1 2026
Shares they held336.4Mworth $169.41 billion
Net sold on the quarter2.6M sharesabout $1.33 billion at the funds' values
Funds buying to selling1,058 to 1,296opened or added, to cut or sold
Opened 142Added 916Held 406Trimmed 1,146Sold out 150
What each fund did in TMO against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in TMO in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
4,696 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 1,617 reported a position in Thermo Fisher Scientific Inc.: 162 opened one, 548 added, 616 trimmed and 48 sold out, a net 2.5 million shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 1 reported a position in Thermo Fisher Scientific Inc. in a 13F for the quarter ended 30 September 2026, and 14 more in a 13F for an earlier quarter, the latest each has filed. The largest: FMR LLC, 14.1 million shares worth $7.06 billion, 0.3% of its reported book (its 13F for the quarter ended 30 June 2026). Sold out: Renaissance Technologies. In the quarter, 1 fund added or opened a position and 0 trimmed or sold out; together they bought a net 80,403 shares, about $54.0 million at the funds' own value per share on 30 September 2026. A change under 0.1% of a holding counts as held.
| 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, an earlier quarter | 13F |
| Geode Capital Management | 8,462,804 | $5.69 billion | 0.3% | +80,403 | added | 30 September 2026 | 13F |
| Norges Bank | 5,087,903 | $2.55 billion | 0.3% | held | 30 June 2026, an earlier quarter | 13F | |
| Capital Research Global Investors | 4,147,545 | $2.08 billion | 0.3% | -267,076 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Dodge & Cox | 3,054,778 | $1.53 billion | 0.8% | +3,029,037 | added | 30 June 2026, an earlier quarter | 13F |
| Viking Global Investors | 1,937,415 | $971.3 million | 2.8% | +269,390 | added | 30 June 2026, an earlier quarter | 13F |
| Baillie Gifford | 645,648 | $323.7 million | 0.3% | -52,793 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Citadel Advisors | 574,992 | $288.3 million | 0.2% | -289,497 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Alyeska | 376,071 | $188.5 million | 0.5% | +251,127 | added | 30 June 2026, an earlier quarter | 13F |
| Point72 Asset Management | 277,735 | $139.2 million | 0.2% | -75,806 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Millennium Management | 165,475 | $83.0 million | 0.1% | +94,779 | added | 30 June 2026, an earlier quarter | 13F |
| Duquesne Family Office | 19,200 | $9.6 million | 0.2% | +19,200 | new | 30 June 2026, an earlier quarter | 13F |
| Two Sigma Investments | 17,014 | $8.5 million | 0.0% | -170,879 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Bridgewater Associates | 12,948 | $6.5 million | 0.0% | -1,539 | trimmed | 30 June 2026, an earlier quarter | 13F |
| Ratan Capital | 1,550 | $777,108 | 0.3% | no change | held | 30 June 2026, an earlier quarter | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -138,964 | exited | 30 June 2026, an earlier quarter | 13F |
Value is what the fund reported.
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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.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 30,919,632 | 9.19% | $15.50 billion | 0.23% | +492,440 | 13F |
| Vanguard Capital Management LLC | 24,276,316 | 7.22% | $12.17 billion | 0.26% | -4,500 | 13F |
| State Street Corp. | 16,825,879 | 5.00% | $8.44 billion | 0.25% | +94,211 | 13F |
| FMR LLC | 14,084,488 | 4.19% | $7.06 billion | 0.31% | +3,308,052 | 13F |
| Morgan Stanley | 10,763,066 | 3.20% | $5.40 billion | 0.29% | -100,462 | 13F |
| JPMorgan Chase & Co. | 8,503,527 | 2.53% | $4.31 billion | 0.25% | +1,708,045 | 13F |
| Geode Capital Management, LLC | 8,382,401 | 2.49% | $4.18 billion | 0.22% | -25,490 | 13F |
| Franklin Resources Inc. | 7,271,514 | 2.16% | $3.65 billion | 0.79% | +458,483 | 13F |
| Vanguard Portfolio Management LLC | 6,226,169 | 1.85% | $3.12 billion | 0.14% | +62,799 | 13F |
| Capital World Investors | 6,195,370 | 1.84% | $3.11 billion | 0.37% | -450,946 | 13F |
| Price T Rowe Associates Inc. | 5,116,336 | 1.52% | $2.57 billion | 0.26% | -1,199,135 | 13F |
| Norges Bank | 5,087,903 | 1.51% | $2.55 billion | 0.25% | 13F | |
| Massachusetts Financial Services Co. | 2,965,714 | 0.88% | $2.28 billion | 0.72% | -47,395 | 13F |
| Capital Research Global Investors | 4,147,545 | 1.23% | $2.08 billion | 0.29% | -267,076 | 13F |
| Bank of New York Mellon Corp | 3,938,410 | 1.17% | $1.97 billion | 0.32% | +171,796 | 13F |
| Bank of America Corp. | 3,895,265 | 1.16% | $1.95 billion | 0.13% | -1,638,138 | 13F |
| Royal Bank of Canada | 3,430,798 | 1.02% | $1.72 billion | 0.29% | -483,105 | 13F |
| Northern Trust Corp. | 3,328,836 | 0.99% | $1.67 billion | 0.19% | -86,774 | 13F |
| Capital International Investors | 3,182,151 | 0.95% | $1.60 billion | 0.33% | -706,575 | 13F |
| Charles Schwab Investment Management Inc. | 3,114,527 | 0.93% | $1.56 billion | 0.21% | +179,685 | 13F |
| Dodge & Cox | 3,054,778 | 0.91% | $1.53 billion | 0.80% | +3,029,037 | 13F |
| Goldman Sachs Group Inc. | 2,957,066 | 0.88% | $1.48 billion | 0.16% | -200,160 | 13F |
| Fisher Asset Management, LLC | 2,915,715 | 0.87% | $1.46 billion | 0.43% | +64,136 | 13F |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 2,757,752 | 0.82% | $1.38 billion | 1.09% | -157,166 | 13F |
| Grantham, Mayo, Van Otterloo & Co. LLC | 2,739,191 | 0.81% | $1.37 billion | 3.09% | +236,985 | 13F |
| UBS Group AG | 2,521,208 | 0.75% | $1.26 billion | 0.20% | +67,755 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 2,472,524 | 0.73% | $1.24 billion | 0.23% | +22,827 | 13F |
| Legal & General Group Plc | 2,238,613 | 0.67% | $1.12 billion | 0.23% | -131,918 | 13F |
| EdgePoint Investment Group Inc. | 2,179,650 | 0.65% | $1.09 billion | 8.26% | +260,653 | 13F |
| Invesco Ltd. | 2,179,010 | 0.65% | $1.09 billion | 0.09% | -56,710 | 13F |
| Vanguard Fiduciary Trust Co. | 2,086,585 | 0.62% | $1.05 billion | 0.23% | -25,082 | 13F |
| Unisphere Establishment | 2,060,000 | 0.61% | $1.03 billion | 8.79% | no change | 13F |
| Mitsubishi UFJ Asset Management Co., Ltd. | 2,012,934 | 0.60% | $1.01 billion | 0.56% | +159,708 | 13F |
| Primecap Management Co. | 1,982,271 | 0.59% | $993.8 million | 0.59% | -260 | 13F |
| Viking Global Investors LP | 1,937,415 | 0.58% | $971.3 million | 2.77% | +269,390 | 13F |
| Flossbach Von Storch SE | 1,905,975 | 0.57% | $955.6 million | 4.32% | -48,095 | 13F |
| Amundi | 1,813,091 | 0.54% | $909.0 million | 0.22% | -203,169 | 13F |
| AllianceBernstein L.P. | 1,849,037 | 0.55% | $908.9 million | 0.30% | -341,571 | 13F |
| 1832 Asset Management L.P. | 1,721,443 | 0.51% | $863.1 million | 1.06% | -248,175 | 13F |
| Dimensional Fund Advisors LP | 1,712,845 | 0.51% | $858.8 million | 0.16% | +23,055 | 13F |
| Clearbridge Investments, LLC | 1,691,069 | 0.50% | $847.8 million | 0.70% | +80,372 | 13F |
| Parnassus Investments, LLC | 1,639,589 | 0.49% | $822.0 million | 2.19% | +134,938 | 13F |
| Ameriprise Financial Inc. | 1,547,342 | 0.46% | $775.9 million | 0.16% | -123,058 | 13F |
| Schroder Investment Management Group | 1,525,255 | 0.45% | $764.7 million | 0.54% | -203,185 | 13F |
| Nuveen, LLC | 1,513,180 | 0.45% | $758.6 million | 0.18% | -133,809 | 13F |
| Wells Fargo & Company | 1,458,431 | 0.43% | $731.2 million | 0.13% | +14,919 | 13F |
| Barclays PLC | 1,354,112 | 0.40% | $678.9 million | 0.21% | -489,971 | 13F |
| Manufacturers Life Insurance Company, the | 1,330,750 | 0.40% | $667.2 million | 0.52% | -92,960 | 13F |
| Loomis Sayles & Co. L P | 1,315,185 | 0.39% | $659.4 million | 0.83% | -48,573 | 13F |
| Swedbank AB | 1,298,760 | 0.39% | $651.1 million | 0.56% | -181,534 | 13F |
The 50 largest of the 2,640 funds that reported a position in TMO in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on TMO
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 299,200 | $150.0 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 253,500 | $127.1 million | 30 June 2026 | 13F |
| Millennium Management | Puts | 52,100 | $26.1 million | 30 June 2026 | 13F |
| Millennium Management | Calls | 40,500 | $20.3 million | 30 June 2026 | 13F |
| Point72 Asset Management | Puts | 12,000 | $6.0 million | 30 June 2026 | 13F |
| Point72 Asset Management | Calls | 11,000 | $5.5 million | 30 June 2026 | 13F |
| Two Sigma Investments | Puts | 2,900 | $1.5 million | 30 June 2026 | 13F |
| Two Sigma Investments | Calls | 1,700 | $852,312 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 5 November 2026 | 13G | FMR LLC and 3 others | 22.3 million | 6.0% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 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.
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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. 13D and 13GFails 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.