Latticework
← All portfoliosLatticework shows what 76 well-known investors report to the SEC each quarter.

TMO · Thermo Fisher Scientific Inc · Form 13F filings for Q2 2026

Thermo Fisher Scientific

12 of 76 investors hold it

Together they reported $3.2 billion of it. In Q2 2026, 4 added and 1 reduced.

20 of 83 tracked investors have filed for Q3 2026 so far. The sheet and every stock page stay on Q2 2026 until most have filed, so each count is taken from one group of investors.

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Who added and who reduced

Q2 2026 against Q1 2026, among 74 filings that can be compared. An investor counts as adding or reducing when reported shares change by 20% or more, or when a position is opened or closed.

4added or opened

Harry BurnNew positionDodge & Cox Funds+11767%Joel Greenblatt+36.7%David Katz+22.7%

1reduced or sold out

William Von MuefflingSold out

Who holds it

InvestorShare of their portfolioReported valueThis quarter
Lindsell Train9.81%$258MNo change of 20%
Wallace Weitz4.00%$58MNo change of 20%
Viking Global Investors2.77%$971MNo change of 20%
Harry Burn2.55%$83MNew position
First Pacific Advisors1.54%$124MNo change of 20%
David Katz1.13%$14M+22.7%
Dodge & Cox Funds0.80%$1.53B+11767%
Thomas Gayner0.28%$37MNo change of 20%
Hillman Capital Management0.27%$376KNo change of 20%
Stanley Druckenmiller0.22%$10MNo change of 20%
Joel Greenblatt0.16%$70M+36.7%
Mairs & Power Funds0.01%$622KNo change of 20%

Holders over time

How many of the same 76 investors reported a position at each quarter end, up to Q2 2026.

10Q3 ’24
12Q4 ’24
11Q1 ’25
13Q2 ’25
13Q3 ’25
15Q4 ’25
12Q1 ’26
12Q2 ’26

Where to next

Dodge & Cox FundsLargest holder by dollars: $1.53B →Lindsell TrainHighest conviction: 9.81% of the portfolio →All portfoliosThe biggest bets reported for Q2 2026, on one sheet →

Source: SEC Form 13F filings for Q2 2026, the quarter ended Jun 30, 2026, from the 76 investors on the homepage sheet · CUSIP 883556102 · data as of Nov 12, 2026. Weight is the share of the investor’s disclosed portfolio. Filings list long US-listed positions at quarter end. They are not live holdings, omit shorts, can be amended and give no reasons for a change.

Each investor’s filing