Thermo Fisher Scientific Inc. (TMO) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

379,549,393Shares Outstanding

2,951,351Shares held by institutions

$1,480,368,148Value of institutional holdings

95.57%Institutional ownership %

14.84%Shares Changed QoQ

2,562No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 2562 institutions have reported a stake in Thermo Fisher Scientific Inc. (NYSE:TMO) as of December 2025, according to recent 13F filings with the SEC.

The percentage of Thermo Fisher Scientific owned by institutions changed from 87.8% in September 2025 to 95.6% in December 2025, marking a slight up trend.
Institutional share ownership changed by 14.84% QoQ, while the number of institutional owners saw a decrease of 0.89% YoY.
Of these 2562 institutional investors, 1223 increased their holdings in Thermo Fisher Scientific, while 1005 of them reduced positions, and 334 investors maintained their exposure.
This class of investors increased its holdings in Thermo Fisher Scientific to 362.75Mn shares for the 13F-cycle ending December 2025, up by 46.86Mn shares quarter on quarter, and up 24.79Mn shares year over year.
With 34.13Mn shares, VANGUARD GROUP INC commands the largest institutional position in Thermo Fisher Scientific as of December 31, 2025, equating to 8.99% of the company.
Among the most significant buyers of Thermo Fisher Scientific during December 2025 were J. Stern & Co. LLP (31.46Mn), NORGES BANK (5.30Mn), FMR LLC (2.20Mn), Rockefeller Capital Management L.P. (2.15Mn), ROYAL BANK OF CANADA (1.31Mn).
Leading sellers of Thermo Fisher Scientific stock in December 2025 included MORGAN STANLEY (827.63K), JPMORGAN CHASE & CO (661.43K), FARALLON CAPITAL MANAGEMENT LLC (622.56K), Assenagon Asset Management S.A. (604.60K), Liontrust Investment Partners LLP (550.77K).
The top 10 institutional holders of Thermo Fisher Scientific for the quarter ending December 2025 included VANGUARD GROUP INC (34.13Mn), J. Stern & Co. LLP (31.51Mn), BlackRock, Inc. (30.68Mn), STATE STREET CORP (16.61Mn), MORGAN STANLEY (11.89Mn), Capital World Investors (11.00Mn), FMR LLC (9.79Mn), GEODE CAPITAL MANAGEMENT, LLC (8.20Mn), JPMORGAN CHASE & CO (6.61Mn), FRANKLIN RESOURCES INC (6.35Mn).

2,562 Institutional Holders

2,951,351 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	34,133,702	288,296	0.85%	$19,778,773,624.00
J. Stern & Co. LLP	31 Dec, 2025	31,509,332	31,455,105	58,006.35%	$31,509,332.00
BlackRock, Inc.	31 Dec, 2025	30,677,885	1,040,249	3.51%	$17,776,300,029.00
STATE STREET CORP	31 Dec, 2025	16,613,761	229,630	1.40%	$9,633,990,730.00
MORGAN STANLEY	31 Dec, 2025	11,894,277	-827,635	-6.51%	$6,892,141,169.00
Capital World Investors	31 Dec, 2025	11,003,814	718,669	6.99%	$6,376,229,130.00
FMR LLC	31 Dec, 2025	9,793,347	2,199,538	28.96%	$5,674,755,596.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	8,196,477	26,425	0.32%	$4,728,129,491.00
JPMORGAN CHASE & CO	31 Dec, 2025	6,611,878	-661,431	-9.09%	$3,831,253,795.00
FRANKLIN RESOURCES INC	31 Dec, 2025	6,346,512	420,841	7.10%	$3,677,485,951.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	5,945,838	575,139	10.71%	$3,445,315,960.00
NORGES BANK	31 Dec, 2025	5,302,863	5,302,863	0.00%	$3,072,743,965.00
ROYAL BANK OF CANADA	31 Dec, 2025	4,036,246	1,313,517	48.24%	$2,338,803,000.00
Bank of New York Mellon Corp	31 Dec, 2025	3,724,476	152,619	4.27%	$2,158,147,691.00
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main	31 Dec, 2025	3,531,593	1,027,509	41.03%	$2,046,381,911.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	3,468,240	768,780	28.48%	$2,009,671,668.00
NORTHERN TRUST CORP	31 Dec, 2025	3,449,323	-72,382	-2.06%	$1,998,710,211.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	3,219,247	604,091	23.10%	$1,865,392,489.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	3,087,666	150,668	5.13%	$1,789,148,064.00
Capital Research Global Investors	31 Dec, 2025	2,914,901	-247,761	-7.83%	$1,689,072,398.00

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