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BLAIR WILLIAM & CO/IL

Position in TMO — Thermo Fisher Scientific Inc.

CIK 902367 CHICAGO, IL

Position in TMO

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$80,236,651
-$4,774,937 QoQ
Shares Held
160,038
-7.5% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.24%
of 13F equity value
Holder Rank
#219
of 2,606 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 59% Shared 0% None 41%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $890,730,193 across 22 Diagnostics & Research names. TMO ranks #3 (9.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TMO
Thermo Fisher Scientific Inc.
This page
160,038 $80,236,651

All Filings in TMO

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $80,236,651 160,038
2026-03-31 $85,011,588 172,953
2025-12-31 $90,979,444 157,010
2025-09-30 $65,052,822 134,124
2025-06-30 $54,962,130 135,555
2025-03-31 $70,067,056 140,810
2024-12-31 $75,363,639 144,866
2024-09-30 $90,566,689 146,413
2024-06-30 $82,382,622 148,974
2024-03-31 $88,502,009 152,272
2023-12-31 $81,325,520 153,216
2023-09-30 $78,602,126 155,288
2023-06-30 $79,726,008 152,805
2023-03-31 $90,913,145 157,734
2022-12-31 $87,403,864 158,717
2022-09-30 $80,755,298 159,221
2022-06-30 $85,157,510 156,747
2022-03-31 $88,182,863 149,298
2021-12-31 $102,057,026 152,954
2021-09-30 $86,136,567 150,765
2021-06-30 $76,706,681 152,054
2021-03-31 $70,448,185 154,363
2020-12-31 $71,054,273 152,549
2020-09-30 $61,995,589 140,414
2020-06-30 $48,611,896 134,161
2020-03-31 $36,560,861 128,917