TERADYNE, INC

TERNASDAQ

$444.53-4.51 (-1.00%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

TERADYNE, INC price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+200.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	12.43%	$9.4B	0.14%	Not reported
Vanguard Capital Management LLC	6.54%	$4.95B	0.11%	Not reported
Vanguard Portfolio Management LLC	5.52%	$4.18B	0.19%	Not reported
State Street Corp	4.66%	$3.53B	0.10%	Not reported
Invesco Ltd.	4.27%	$3.23B	0.26%	Not reported
JPMorgan Chase & Co	3.56%	$2.58B	0.14%	Not reported
Geode Capital Management, LLC	2.94%	$2.22B	0.12%	Not reported
FMR LLC	2.63%	$1.99B	0.09%	Not reported
Ameriprise Financial Inc	1.74%	$1.32B	0.27%	Not reported
Van Eck Associates Corp	1.67%	$1.26B	0.77%	Add 4.97%
AQR Capital Management LLC	1.55%	$1.14B	0.40%	Not reported
Norges Bank	1.42%	$1.08B	0.11%	Not reported
Alkeon Capital Management LLC	1.38%	$1.05B	1.41%	Reduce 22.46%
Goldman Sachs Group Inc	1.27%	$963M	0.08%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	1.27%	$957M	0.17%	Not reported
Morgan Stanley	1.22%	$926M	0.05%	Not reported
T. Rowe Price Investment Management, Inc.	1.13%	$858M	0.56%	New Not reported
Bank of America Corp	1.11%	$843M	0.05%	Not reported
UBS Group AG	1.05%	$795M	0.10%	Not reported
Rafferty Asset Management, LLC	0.97%	$733M	1.67%	Add 38.99%
Northern Trust Corp	0.96%	$728M	0.08%	Not reported
Lone Pine Capital LLC	0.95%	$722M	4.42%	Reduce 20.28%
Legal & General Group Plc	0.87%	$656M	0.14%	Not reported
Barclays PLC	0.82%	$620M	0.12%	Not reported
Amundi	0.77%	$581M	0.14%	Not reported
Sumitomo Mitsui Trust Group, Inc.	0.71%	$540M	0.31%	Reduce 34.43%
Citigroup Inc	0.69%	$521M	0.17%	Not reported
Charles Schwab Investment Management Inc	0.65%	$491M	0.07%	Not reported
Pictet Asset Management Holding SA	0.63%	$473M	0.45%	Add 22.13%
Bank of New York Mellon Corp	0.61%	$459M	0.08%	Not reported
Vanguard Fiduciary Trust Co	0.58%	$435M	0.10%	Not reported
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	0.57%	$427M	0.43%	Add 13.81%
Dimensional Fund Advisors LP	0.48%	$365M	0.07%	Not reported
Massachusetts Financial Services Co	0.43%	$335M	0.11%	Add 236.86%
Anther Capital Ltd	0.43%	$323M	8.26%	Add 163.68%
WT Asset Management Ltd	0.42%	$319M	6.32%	Add 19.34%
BNP Paribas Financial Markets	0.42%	$318M	0.11%	Not reported
DekaBank Deutsche Girozentrale	0.42%	$184M	0.31%	Not reported
ARK Investment Management LLC	0.41%	$312M	2.03%	Reduce 48.22%
Nomura Asset Management Co Ltd	0.38%	$290M	0.62%	Add 87.52%
First Trust Advisors LP	0.38%	$288M	0.17%	Add 331.03%
Raymond James Financial Inc	0.37%	$284M	0.08%	Not reported
Federated Hermes, Inc.	0.36%	$271M	0.39%	Not reported
Acadian Asset Management LLC	0.35%	$268M	0.32%	Not reported
Wells Fargo & Company	0.35%	$265M	0.04%	Not reported
Bank Julius Baer & Co. Ltd, Zurich	0.34%	$252M	0.65%	Add 36.83%
1832 Asset Management L.P.	0.34%	$254M	0.13%	Add 3104.15%
Jane Street Group, LLC	0.33%	$251M	0.02%	Not reported
Capital International Investors	0.31%	$235M	0.05%	New Not reported
Primecap Management Co	0.31%	$235M	0.14%	Reduce 11.76%

50 of 1,348 holders

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