TMOThermo Fisher Scientific

$633.95

Who owns TMO

2,507 institutions reported holding TMO for 2026Q1, together 89% of the company, fewer than the 2,633 a quarter earlier.

2,507

Institutions reporting a position · as of 2026Q1 · down from 2,633 the quarter before

Shares held by institutions
330.4M

Shares held by institutions · 89% of the company · long US equity positions only, as reported on Form 13F

Reported value
$163.1B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
28%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
52
New positions
154
Positions exited
287
Added to
846
Reduced
967
Top 10 holdersof the company
37%
Institutional ownership by quarter, 2013Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q12,507330.4M$163.1B
2025Q42,633373.4M$229.6B
2025Q32,464330.2M$159.9B
2025Q22,399334.9M$135.0B
2025Q12,522336.3M$167.0B
2024Q42,565337.3M$175.6B
2024Q32,532337.1M$207.3B
2024Q22,510337.8M$186.6B
2024Q12,485336.3M$195.4B
2023Q42,441340.2M$180.5B
2023Q32,322340.4M$172.3B
2023Q22,347343.8M$178.6B
2023Q12,342384.0M$195.3B
2022Q42,335344.2M$190.0B
2022Q32,229344.3M$174.6B
2022Q22,247341.5M$185.5B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC34.3M9.2%$16.8B
BlackRock Inc.30.4M8.2%$15.0B
STATE STREET CORP16.7M4.5%$8.23B
MORGAN STANLEY10.9M2.9%$5.34B
FMR LLC10.8M2.9%$5.30B
GEODE CAPITAL MANAGEMENT LLC8.4M2.3%$4.11B
FRANKLIN RESOURCES INC6.8M1.8%$3.35B
JPMORGAN CHASE & CO6.8M1.8%$3.26B
Capital World Investors6.6M1.8%$3.27B
PRICE T ROWE ASSOCIATES INC /MD/6.3M1.7%$3.10B

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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