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TER · Teradyne, Inc

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$383.15 +3.50 (+0.92%) At close · Aug 20
Market Cap
$60.01B
Shares
156.34M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1,424
Total Value: $77,168,224,783
Total Shares: 160,148,268

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1,424 13F filers · Δ vs Mar 31, 2026
Top Holder
12.2%
Sep 2023 → Jun 2026 · range 10.9% – 13.0%
+1.3 pts
Top 5
32.8%
Sep 2023 → Jun 2026 · range 31.0% – 39.8%
+1.8 pts
Top 10
46.7%
Sep 2023 → Jun 2026 · range 40.7% – 50.9%
+6.0 pts
HHI
330
Sep 2023 → Jun 2026 · range 284 – 427
Broadly held+46

Quarterly Activity

vs Mar 31, 2026
New
334
Increased
491
Decreased
466
Sold Out
146
Unchanged
133
Holder count: +188
Institutional value: +73.5%
Shares held: +6.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 1,482
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 97210 CUSIP 880770102 13F (30d) 1216 filings 1182 filers Visit website Investor relations