Teradyne Ownership | Who Owns Teradyne?

Overview Forecast RevenueFinancials Chart Transcripts

Teradyne Ownership Summary

Teradyne is owned by 97.62% institutional investors, 0.21% insiders, and 2.18% 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	97.62%	0.21%	2.18%
Sector	Technology Stocks	78.07%	14.90%	7.03%
Idea	Semiconductor Stocks List	74.05%	7.18%	18.78%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	20.30M	12.98%	$3.93B
Blackrock funding, inc. /de	19.44M	12.43%	$9.40B
Blackrock	14.56M	9.23%	$2.16B
Vanguard capital management	10.23M	6.54%	$4.95B
State street	7.29M	4.66%	$3.53B
Invesco	6.68M	4.27%	$3.23B
Jpmorgan chase	5.57M	3.56%	$2.58B
Geode capital management	4.60M	2.94%	$2.22B
Fmr	4.11M	2.63%	$1.99B
Ameriprise financial	2.72M	1.74%	$1.32B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Winslow asset management	118.26K	9.95%	$57.22M
Robocap asset management	21.43K	8.36%	$10.37M
Andar capital management hk	37.80K	8.21%	$18.29M
Point72 italy, s.r.l.	78.34K	8.01%	$10.78M
Totem point management	22.03K	6.52%	$10.66M
Wt asset management	660.20K	6.32%	$319.43M
Alta park capital, lp	120.78K	5.35%	$58.44M
Carmel capital management	41.96K	4.45%	$20.30M
Lone pine capital	1.49M	4.42%	$722.41M
Grand alliance asset management	15.00K	4.36%	$7.26M

Top Buyers

Holder	Shares	% Assets	Change
Invesco	6.68M	0.26%	4.16M
Blackrock funding, inc. /de	19.44M	0.14%	3.13M
Jpmorgan chase	5.57M	0.14%	2.70M
Norges bank	2.22M	0.11%	2.22M
T. rowe price investment management	1.77M	0.56%	1.77M

Top Sellers

Holder	Shares	% Assets	Change
Point72 asset management	458.71K	0.24%	-1.83M
Assenagon asset management	47.31K	0.03%	-1.41M
Boston partners	-	-	-1.37M
Nuveen asset management	481.34K	0.02%	-1.32M
Vanguard group	20.30M	0.06%	-1.12M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	2.22M	0.11%	2.22M	$1.08B
Sixth street partners management company	1.01M	0.07%	1.01M	$491.03M
Capital investors	486.70K	0.05%	486.70K	$235.49M
Cibc world markets	475.16K	0.44%	475.16K	$91.97M
Eagle asset management	434.48K	0.34%	434.48K	$64.20M

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
Curio wealth	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	1,475	14.61%	152,684,820	5.48%	97	1.14%	825	14.74%	459	16.20%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	5.17M	3.19%	225.45K
Vanguard MStar Total Stk Mkt Idx Invest	4.98M	3.19%	14.22K
Vanguard Morn Total Stk Mkt Idx Investor	4.97M	3.18%	-12.46K
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	4.11M	2.63%	43.23K
iShares Semiconductor ETF	3.93M	2.51%	-20.05K
Vanguard MStar Mid Cap Index Instl	3.39M	2.17%	-4.26K
Vanguard Mid Cap Index Institutional	3.39M	2.17%	-4.48K
Vanguard Morn Mid Cap Index Instl	3.39M	2.17%	-4.48K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Sep 01, 2026	JOHNSON MERCEDES	-	Sell	$57.00K
Aug 17, 2026	Smith Gregory Stephen	President and CEO	Sell	$1.70M
Aug 17, 2026	MATZ MARILYN	-	Sell	$510.00K
Aug 03, 2026	JOHNSON MERCEDES	-	Sell	$59.45K
Jul 15, 2026	Smith Gregory Stephen	President and CEO	Sell	$1.43M

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	7
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 (19.44M shares, 12.43%), and Blackrock (14.56M shares, 9.23%). Together, they hold 34.63% 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?

Winslow asset management is Teradyne’s biggest shareholder by percentage of total assets invested, with 9.95% of its assets in 118.26K Teradyne shares, valued at 57.22M$.

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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