Teradyne, Inc. (TER) Institutional Ownership & Insider Trading

1,413 institutions reported holding Teradyne, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 36 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

TERTeradyne, Inc.Follow TER — free

Semiconductor Equipment & Materials · Technology

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Market cap: 48.3B
P/E TTM: 42.4
Dividend yield: 0.2%
52-week: —
Next earnings: 27 Oct, in 3 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,413 institutions held 97.3% of the shares. Across filers that reported both quarters, shares held changed +4.0%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	1,413	152	+4.0%	447	280	415	102
Mar 26	1,213	145	-3.5%	372	246	358	62
Dec 25	1,015	150	-10.8%	275	213	294	50
Sep 25	809	166	+3.7%	231	156	230	57
Jun 25	718	161	+3.9%	231	78	252	94
Mar 25	729	153	-2.3%	249	89	222	120
Dec 24	750	159	-4.4%	232	68	225	78
Sep 24	738	158	-2.5%	269	69	211	64

Teradyne, Inc. — questions

Who owns Teradyne, Inc. stock?: 1,413 institutions reported Teradyne, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (12.4%), VANGUARD CAPITAL MANAGEMENT LLC (6.5%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.5%).
Are Teradyne, Inc. insiders buying or selling?: 36 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Teradyne, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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