ValuationViz

TMO fund manager activity

Thermo Fisher Scientific Inc · NYSE. Reported by 37 tracked fund managers in their 13F filings, Q2 2013 to Q3 2026.

Q3 2026

ManagerActivitySharesValue% of portfolioFiled
John Armitage - Egerton CapitalNew198,227$133,813,1361.36%Oct 20, 2026
David Katz - Matrix Asset AdvisorsTrimmed23,947$16,165,6381.33%Oct 13, 2026

Q2 2026

ManagerActivitySharesValue% of portfolioFiled
Ron Baron - Baron CapitalTrimmed9,219$4,622,0380.01%Aug 14, 2026
William Von Mueffling - Cantillon Capital ManagementSold out——0.00%Jul 29, 2026
Arnold Van Den Berg - Century ManagementAdded14,289$7,163,9331.51%Aug 14, 2026
Dan Sundheim - D1 Capital PartnersAdded817,123$409,672,7871.18%Aug 14, 2026
Dodge & Cox FundsAdded3,054,778$1,531,543,4980.80%Aug 13, 2026
Stanley Druckenmiller - Duquesne Family OfficeNew19,200$9,626,0000.22%Aug 14, 2026
First Pacific AdvisorsAdded248,244$124,459,6121.56%Aug 14, 2026
Ken Fisher - Fisher Asset ManagementAdded2,915,715$1,461,823,4320.44%Aug 4, 2026
Jeremy Grantham - GMOAdded2,739,191$1,373,321,8913.09%Aug 13, 2026
Joel Greenblatt - Gotham Asset ManagementAdded139,499$69,939,2190.16%Aug 14, 2026
Hillman Capital ManagementAdded750$376,0200.27%Aug 14, 2026
Lindsell TrainTrimmed514,512$257,955,7369.81%Jul 15, 2026
Mairs & Power FundsNo change1,241$622,1880.01%Aug 14, 2026
Thomas Gayner - Markel GroupAdded73,100$36,649,4160.28%Jul 31, 2026
David Katz - Matrix Asset AdvisorsAdded27,668$13,871,7881.13%Jul 15, 2026
Robert Olstein - Olstein Capital ManagementSold out——0.00%Jul 7, 2026
Harry Burn - Sound ShoreNew165,318$82,883,8322.55%Aug 12, 2026
Viking Global InvestorsAdded1,937,415$971,342,3842.77%Aug 14, 2026
Wallace Weitz - Weitz Investment ManagementTrimmed115,200$57,756,6724.00%Aug 12, 2026

Older quarters