Teradyne Ownership | Who Owns Teradyne?

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Teradyne Ownership Summary

Teradyne is owned by 90.55% institutional investors, 0.21% insiders, and 9.24% 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	90.55%	0.21%	9.24%
Sector	Technology Stocks	35.93%	15.14%	48.93%
Idea	Semiconductor Stocks List	48.16%	6.95%	44.89%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	20.30M	12.98%	$3.93B
Blackrock funding, inc. /de	16.31M	10.42%	$4.83B
Blackrock	14.56M	9.23%	$2.16B
State street	6.97M	4.46%	$2.07B
Geode capital management	4.37M	2.79%	$1.29B
Fmr	3.61M	2.31%	$1.07B
Jpmorgan chase	2.87M	1.84%	$793.30M
Ameriprise financial	2.84M	1.82%	$842.98M
Alkeon capital management	2.79M	1.78%	$826.98M
Invesco	2.52M	1.61%	$747.25M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Trivest advisors	456.80K	9.75%	$135.42M
Andar capital management hk	37.00K	9.38%	$10.97M
Robocap asset management	21.43K	8.36%	$10.37M
Fenghe fund management pte.	196.76K	8.06%	$58.33M
Point72 italy, s.r.l.	78.34K	8.01%	$10.78M
Totem point management	20.57K	7.78%	$6.10M
Winslow asset management	132.90K	7.66%	$39.40M
Carmel capital management	41.96K	4.45%	$20.30M
Lone pine capital	1.87M	4.43%	$555.23M
Klein pavlis & peasley financial	17.23K	4.34%	$8.34M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	2.06M	0.04%	2.06M
Lone pine capital	1.87M	4.43%	1.87M
Fmr	3.61M	0.06%	1.16M
Curated wealth partners	1.01M	0.15%	1.01M
Blackrock funding, inc. /de	16.31M	0.08%	906.95K

Top Sellers

Holder	Shares	% Assets	Change
Allspring global investments	1.11M	0.58%	-2.19M
Price t rowe associates inc /md/	2.12M	0.07%	-2.08M
Ameriprise financial	2.84M	0.20%	-1.65M
Citadel advisors	351.33K	0.02%	-1.42M
Assenagon asset management	47.31K	0.03%	-1.41M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	2.06M	0.04%	2.06M	$398.78M
Lone pine capital	1.87M	4.43%	1.87M	$555.23M
Vanguard fiduciary trust	881.26K	0.07%	881.26K	$261.26M
Cibc world markets	475.16K	0.44%	475.16K	$91.97M
Trivest advisors	456.80K	9.75%	456.80K	$135.42M

Sold Out

Holder	Change
Core alternative capital	-1.00
Mendota financial group	-1.00
Tfc financial management	-1.00
Turning point benefit group	-2.00
Hhm wealth advisors	-3.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	1,254	15.26%	141,632,955	-6.11%	90	0.97%	694	15.86%	393	19.82%
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%

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%	-12.46K
Vanguard Institutional 500 Index Trust	4.63M	2.89%	29.14K
Vanguard 500 Index Investor	4.07M	2.60%	-34.58K
Vanguard Mid Cap Index Institutional	3.39M	2.17%	-4.48K
VanEck Morningstar Wide Moat	3.46M	2.15%	-11.68K
Invesco QQQ Trust	3.32M	2.12%	-26.00K
VanEck Morningstar Wide Moat ETF	3.32M	2.09%	-2.57K
iShares Semiconductor ETF	3.19M	2.04%	-135.91K
VanEck Semiconductor ETF	2.35M	1.50%	-2.03K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 15, 2026	Smith Gregory Stephen	President and CEO	Sell	$1.43M
Jul 15, 2026	MATZ MARILYN	-	Sell	$427.57K
Jul 01, 2026	JOHNSON MERCEDES	-	Sell	$76.82K
Jun 15, 2026	MATZ MARILYN	-	Sell	$507.64K
Jun 15, 2026	Smith Gregory Stephen	President and CEO	Sell	$1.69M

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	3
2026 Q2	-	11
2026 Q1	-	4
2025 Q4	-	6
2025 Q3	-	7

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 (16.31M shares, 10.42%), and Blackrock (14.56M shares, 9.23%). Together, they hold 32.63% 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?

Trivest advisors is Teradyne’s biggest shareholder by percentage of total assets invested, with 9.75% of its assets in 456.8K Teradyne shares, valued at 135.42M$.

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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