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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in TMO — Thermo Fisher Scientific Inc.

CIK 1164508 BOSTON, MA

Position in TMO

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$505,067,055
+$193,255,661 QoQ
Shares Held
1,007,394
+58.8% QoQ
Ownership
0.272%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#58
of 2,606 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 87% Shared 0% None 13%

Common Shares in TMO Over Time

Shares Held

Position Value (USD)

Position in Diagnostics & Research

Healthcare · as of Jun 30, 2026

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $3,756,493,842 across 20 Diagnostics & Research names. TMO ranks #3 (13.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 TMO
Thermo Fisher Scientific Inc.
This page
1,007,394 $505,067,055

All Filings in TMO

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $505,067,055 1,007,394
2026-03-31 $311,811,394 634,369
2025-12-31 $502,679,828 867,512
2025-09-30 $614,095,947 1,266,125
2025-06-30 $490,993,408 1,210,954
2025-03-31 $326,393,753 655,936
2024-12-31 $192,113,135 369,285
2024-09-30 $127,625,218 206,323
2024-06-30 $16,561,797 29,949
2024-03-31 $2,099,911 3,613
2023-12-31 $3,534,530 6,659
2023-09-30 $143,529,059 283,559
2023-06-30 $319,845,272 613,024
2023-03-31 $392,899,325 681,679
2022-12-31 $361,970,189 657,303
2022-09-30 $265,254,790 522,989
2022-06-30 $262,830,171 483,784
2022-03-31 $246,638,901 417,572
2021-12-31 $91,901,634 137,734
2021-09-30 $4,156,425 7,275
2021-06-30 $30,273,749 60,011
2021-03-31 $15,743,284 34,496
2020-12-31 $64,024,721 137,457
2020-09-30 $4,801,530 10,875
2020-03-31 $22,761,736 80,260