Teradyne, Inc.
MX ˙ BMV ˙ US8807701029
SecurityMX:TER / Teradyne, Inc.
InstitutionCzech National Bank
Latest Disclosed Ownership42,652 shares
Latest Disclosed Value $ 12,644,612
Czech National Bank reports 3.28% increase in ownership of TER / Teradyne, Inc.

On April 13, 2026 - Czech National Bank filed a 13F-HR form disclosing ownership of 42,652 shares of Teradyne, Inc. (MX:TER) valued at $12,644,612 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 12, 2026 disclosing 41,296 shares of Teradyne, Inc.. This represents a change in shares of 3.28% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-04-13 2026-03-31 13F TERADYNE COM 880770102 42,652 1,356 3.28 12,645 58.19 0.0831
2026-01-12 2025-12-31 13F TERADYNE COM 880770102 41,296 894 2.21 7,993 43.76 0.0519
2025-10-08 2025-09-30 13F TERADYNE COM 880770102 40,402 1,190 3.03 5,561 57.73 0.0384
2025-07-09 2025-06-30 13F TERADYNE COM 880770102 39,212 1,806 4.83 3,526 14.11 0.0275
2025-04-09 2025-03-31 13F TERADYNE COM 880770102 37,406 2,094 5.93 3,090 -30.52 0.0283
2025-01-13 2024-12-31 13F TERADYNE COM 880770102 35,312 2,072 6.23 4,446 -0.11 0.0412
2024-10-07 2024-09-30 13F/A-1 TERADYNE COM 880770102 33,240 3,492 11.74 4,452 0.91 0.0449
2024-10-03 2024-09-30 13F TERADYNE COM 880770102 33,240 3,492 4,452 0.0449
2024-07-15 2024-06-30 13F TERADYNE COM 880770102 29,748 2,849 10.59 4,411 45.34 0.0505
2024-04-10 2024-03-31 13F TERADYNE COM 880770102 26,899 123 0.46 3,035 4.48 0.0391
2024-01-08 2023-12-31 13F TERADYNE COM 880770102 26,776 -143 -0.53 2,906 7.43 0.0414
2023-10-19 2023-09-30 13F TERADYNE COM 880770102 26,919 8,565 46.67 2,704 32.35 0.0431
2023-07-11 2023-06-30 13F TERADYNE COM 880770102 18,354 5 0.03 2,043 3.60 0.0464
2023-04-17 2023-03-31 13F TERADYNE COM 880770102 18,349 115 0.63 1,973 23.87 0.0488
2023-01-18 2022-12-31 13F TERADYNE COM 880770102 18,234 14 0.08 1,593 16.29 0.0423
2022-10-31 2022-09-30 13F TERADYNE COM 880770102 18,220 18,220 1,369 0.0391
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.