Teradyne Ownership | Who Owns Teradyne?

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Teradyne Ownership Summary

Teradyne is owned by 51.04% institutional investors, 0.23% insiders, and 48.73% retail investors. Vanguard group is the largest institutional shareholder, holding 12.98% of TER shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.19% of its assets in Teradyne shares.

TER Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Teradyne	51.04%	0.23%	48.73%
Sector	Technology Stocks	35.36%	13.13%	51.51%
Idea	Semiconductor Stocks List	60.61%	7.19%	32.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	20.30M	12.98%	$3.93B
Blackrock funding, inc. /de	15.40M	9.84%	$2.98B
Blackrock	14.56M	9.23%	$2.16B
State street	7.02M	4.39%	$965.91M
Ameriprise financial	5.26M	3.29%	$723.60B
Geode capital management	4.16M	2.66%	$802.79M
Point72 asset management	4.09M	2.55%	$562.35M
Van eck associates	3.99M	2.50%	$549.74M
Jpmorgan chase	3.50M	2.24%	$678.02M
Price t rowe associates inc /md/	3.54M	2.22%	$487.83M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Robocap asset management	29.38K	9.31%	$8.71M
Point72 italy, s.r.l.	78.34K	8.01%	$10.78M
Andar capital management hk	36.10K	7.53%	$6.99M
Contour asset management	1.52M	5.23%	$208.72M
Winslow asset management	141.21K	5.04%	$27.33M
Naples money management	34.39K	4.33%	$5.08M
Carmel capital management	50.06K	4.25%	$14.84M
Kempner capital management	22.53K	4.15%	$4.39M
Aspex management (hk)	1.03M	4.04%	$199.72M
Amanah trust	110.00K	3.59%	$32.61M

Top Buyers

Holder	Shares	% Assets	Change
Point72 asset management	4.09M	0.94%	3.81M
Price t rowe associates inc /md/	3.54M	0.05%	3.31M
Norges bank	2.06M	0.04%	2.06M
Wellington management group llp	2.04M	0.05%	2.02M
Contour asset management	1.52M	5.23%	1.52M

Top Sellers

Holder	Shares	% Assets	Change
Fmr	2.37M	0.02%	-4.16M
Primecap management co/ca/	716.57K	0.10%	-1.83M
Van eck associates	3.99M	0.51%	-1.55M
Balyasny asset management	-	-	-1.52M
Boston partners	-	-	-1.37M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	2.06M	0.04%	2.06M	$398.78M
Contour asset management	1.52M	5.23%	1.52M	$208.72M
T. rowe price investment management	1.48M	0.12%	1.48M	$204.02M
Aspex management (hk)	1.03M	4.04%	1.03M	$199.72M
Cibc world markets	475.16K	0.44%	475.16K	$91.97M

Sold Out

Holder	Change
Core alternative capital	-1.00
Tfc financial management	-1.00
Mendota financial group	-1.00
Mcf advisors	-3.00
Hhm wealth advisors	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	645	-25.95%	79,834,738	-50.59%	51	0.50%	372	-22.50%	180	-27.13%
Sep 30, 2025	492	-34.22%	61,451,836	-59.78%	38	0.42%	272	-25.68%	141	-48.16%
Jun 30, 2025	751	-3.47%	161,181,800	4.98%	100	1.11%	368	-5.88%	270	8.00%
Mar 31, 2025	769	-5.18%	153,427,349	-3.81%	95	0.99%	386	-3.98%	249	-4.60%
Dec 31, 2024	385	-51.33%	49,492,126	-68.64%	30	0.32%	176	-57.07%	140	-40.93%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	5.17M	3.19%	225.45K
Vanguard Total Stock Mkt Idx Inv	4.97M	3.18%	20.56K
Vanguard Institutional 500 Index Trust	4.63M	2.89%	29.14K
Vanguard 500 Index Investor	3.99M	2.55%	-40.13K
Vanguard Mid Cap Index Institutional	3.38M	2.16%	1.68M
VanEck Morningstar Wide Moat	3.46M	2.15%	-11.68K
VanEck Morningstar Wide Moat ETF	3.32M	2.09%	-2.57K
iShares Semiconductor ETF	2.70M	1.72%	-48.25K
Fidelity Select Semiconductors	2.27M	1.42%	-
iShares Core S&P 500 ETF	2.01M	1.29%	-1.09K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 08, 2026	Mills Regan	President, Product Test	Sell	$5.47K
Apr 06, 2026	JOHNSON MERCEDES	-	Sell	$195.13K
Apr 02, 2026	Mills Regan	President, Product Test	Sell	$73.30K
Mar 05, 2026	JOHNSON MERCEDES	-	Sell	$187.00K
Feb 25, 2026	Mills Regan	President, Product Test	Sell	$262.30K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	3
2026 Q1	-	4
2025 Q4	-	6
2025 Q3	-	7
2025 Q2	-	-

TER Ownership FAQ

Who owns the most shares of Teradyne?

Teradyne’s largest shareholders are Vanguard group (20.3M shares, 12.98%), Blackrock funding, inc. /de (15.4M shares, 9.84%), and Blackrock (14.56M shares, 9.23%). Together, they hold 32.05% of Teradyne’s total shares outstanding.

Does Blackrock own Teradyne?

Yes, BlackRock owns 9.23% of Teradyne, totaling 14.56M shares as of Jun 2024. This represents 0.05% of BlackRock's total assets, with a market value of 2.16B$. In the last quarter, BlackRock decreased its holdings by -138K shares, a -0.94% change.

Who is Teradyne’s biggest shareholder by percentage of total assets invested?

Robocap asset management is Teradyne’s biggest shareholder by percentage of total assets invested, with 9.31% of its assets in 29.38K Teradyne shares, valued at 8.71M$.

Who is the top mutual fund holder of Teradyne shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Teradyne shares, with 3.19% of its total shares outstanding invested in 5.17M Teradyne shares.

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