Teradyne Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

SWX:TER Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
01 Jul 26	SellCHF 62,083	Mercedes Johnson	Individual		167	CHF 371.75
07 May 26	SellCHF 199,748	Ryan Driscoll	Individual		680	CHF 293.75

Insider Trading Volume

Insider Buying: TER insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of TER?
Owner Type	Number of Shares	Ownership Percentage
Private Companies	1,600	0.00102%
State or Government	163,753	0.105%
Individual Insiders	167,196	0.107%
General Public	7,890,038	5.04%
Institutions	148,319,575	94.7%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 54.57% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
10.1%	BlackRock, Inc.	15,842,244	CHF 5.5b	-2.84%	0.09%
6.5%	Vanguard Capital Management, LLC	10,176,191	CHF 3.5b	0%	0.08%
5.5%	Vanguard Portfolio Management, LLC	8,602,918	CHF 3.0b	0%	0.19%
4.45%	State Street Global Advisors, Inc.	6,970,426	CHF 2.4b	-1.53%	0.09%
2.79%	Geode Capital Management, LLC	4,368,680	CHF 1.5b	4.93%	0.1%
2.16%	FMR LLC	3,375,105	CHF 1.2b	50.1%	0.07%
1.96%	UBS Asset Management AG	3,075,442	CHF 1.1b	6.63%	0.1%
1.82%	Columbia Management Investment Advisers, LLC	2,843,976	CHF 979.1m	-36.7%	0.25%
1.59%	Van Eck Associates Corporation	2,484,365	CHF 855.3m	9.02%	0.61%
1.52%	Alkeon Capital Management, LLC	2,374,162	CHF 817.4m	14.9%	5.4%
1.5%	JP Morgan Asset Management	2,345,757	CHF 807.6m	-22.4%	0.09%
1.46%	Point72 Asset Management, L.P.	2,284,718	CHF 786.6m	-18.9%	1.66%
1.35%	AQR Capital Management, LLC	2,119,725	CHF 729.8m	73%	0.42%
1.35%	T. Rowe Price Group, Inc.	2,118,808	CHF 729.5m	-49.6%	0.08%
1.32%	Norges Bank Investment Management	2,060,223	CHF 709.3m	0%	0.06%
1.2%	Lone Pine Capital LLC	1,872,876	CHF 644.8m	0%	5.33%
1.09%	Amova Asset Management Co., Ltd.	1,703,715	CHF 586.6m	-24.4%	0.22%
1.01%	Northern Trust Global Investments	1,574,900	CHF 542.2m	-2.17%	0.08%
0.93%	Assenagon Asset Management S.A.	1,455,143	CHF 501.0m	59.9%	0.79%
0.89%	Amundi Asset Management SAS	1,401,039	CHF 482.4m	119%	0.09%
0.89%	Invesco Capital Management LLC	1,393,946	CHF 479.9m	-12.5%	0.15%
0.83%	Barclays PLC	1,294,156	CHF 445.6m	-12.1%	0.31%
0.83%	Federated Hermes, Inc.	1,293,867	CHF 445.5m	-4.34%	0.96%
0.8%	ARK Investment Management LLC	1,245,122	CHF 428.7m	-47.2%	3.59%
0.73%	Citigroup Inc.	1,144,838	CHF 394.1m	32.9%	0.27%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/07/02 03:50
End of Day Share Price	2026/06/25 00:00
Earnings	2026/03/29
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Teradyne, Inc. is covered by 34 analysts. 18 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Steven Liu	Aletheia Analyst Network Limited
Quinn Fredrickson	Baird
Robert Mason	Baird