$TER

$308.85 +$0.00 (0.0%) Pre-market

$TER Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 156.3M shares outstanding

Who owns TER?

By type of holder

Institutions 97.2% Insiders 0.2% Everyone else 2.6%

Concentration Top 10 holders own 45.7%

BlackRock, Inc. 12.4% · Vanguard Capital Management LLC 6.5%

Institutional ownership

97.2%

+4.5 pts vs last qtr

Institutional holders

1,423

+189 vs last qtr

Net shares bought

+7.1M

by institutions in Q2 2026

New / sold out

334 / 145

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Invesco Ltd. +4.2M
BlackRock, Inc. +3.1M

Biggest sellers in Q2 2026

Point72 Asset Management, L.P. −1.8M
Assenagon Asset Management S.A. −1.4M

Who is planning to sell?

Notices of proposed sale, last 12 months

$19.1M

39 notices from 9 people

Shares covered

64.7K

0.04% of the company

Arranged in advance

84%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Smith Gregory Stephen Officer 10b5-1 $10.9M
Matz Marilyn Director 10b5-1 $2.68M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−21.2%

−2.61% a year

Each share's claim on the business

+26.8%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$4.41B vs $457M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years81% 3–5 years2% 1–3 years5% Under 1 year12%

Quarterly turnover

18.1%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting TER on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	19.4M	12.43%	+3.1M (+19.2%)	≤2021	0.1%
Shares held by quarter Peak holding19.4M (Q2'26) Change over 8 quarters+3.8M Share of the company12.430% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	10.2M	6.54%	+49.2K (+0.5%)	≤2021	0.1%
Shares held by quarter Peak holding10.2M (Q2'26) Change over 8 quarters+10.2M Share of the company6.540% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

19.4M

% of company

12.43%

Change vs last qtr

+3.1M (+19.2%)

Held since

≤2021

Vanguard Capital Management LLC

10.2M

% of company

6.54%

Change vs last qtr

+49.2K (+0.5%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Teradyne, Inc., how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting TER on Form N-PORT; together they hold 47.0% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$2.4B	5.0M	3.18%	0.10%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$1.96B	4.1M	2.59%	0.12%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$2.4B

% of company

3.18%

% of the fund

0.10%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$1.96B

% of company

2.59%

% of the fund

0.12%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Teradyne, Inc. and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
SG Smith Gregory Stephen Insider	104.5K	0.07%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.070% Smith Gregory Stephen's insider activity →
TP Tufano Paul J Insider	66.0K	0.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.040% Tufano Paul J's insider activity →

Smith Gregory Stephen

Insider

104.5K

% of company

0.07%

Change vs last qtr

—

Held since

—

Tufano Paul J

Insider

66.0K

% of company

0.04%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of Teradyne, Inc..

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