Teradyne, Inc. 13F holders
Of the 44 funds followed here, 13 reported a position in Teradyne, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 4.6 million shares worth $2.22 billion, 0.1% of its reported book.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 4,602,292 | $2.22 billion | 0.1% | +233,612 | added | 30 June 2026 | 13F |
| FMR LLC | 4,105,776 | $1.99 billion | 0.1% | +496,271 | added | 30 June 2026 | 13F |
| Norges Bank | 2,223,866 | $1.08 billion | 0.1% | held | 30 June 2026 | 13F | |
| Lone Pine Capital | 1,493,080 | $722.4 million | 4.4% | -379,796 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 1,120,915 | $542.3 million | 0.1% | +182,280 | added | 30 June 2026 | 13F |
| ARK Investment Management | 644,782 | $312.0 million | 2.0% | -600,340 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 482,182 | $233.3 million | 0.2% | -366,249 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 469,410 | $227.1 million | 0.3% | -1,815,308 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 231,603 | $112.1 million | 0.0% | -670,207 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 218,100 | $105.5 million | 0.1% | +53,200 | added | 30 June 2026 | 13F |
| Bridgewater Associates | 98,627 | $47.7 million | 0.2% | -240,319 | trimmed | 30 June 2026 | 13F |
| Capital Research Global Investors | 69,802 | $33.8 million | 0.0% | -283 | trimmed | 30 June 2026 | 13F |
| Baillie Gifford | 201 | $97,252 | 0.0% | +48 | added | 30 June 2026 | 13F |
Value is what the fund reported. Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.
Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 30 July 2026 | 13G/A | BlackRock, Inc. and 1 other | 17.5 million | 11.1% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 4 June 2026 | 13G/A | BlackRock, Inc. and 1 other | 15.9 million | 10.1% | 31 May 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Portfolio Management and 1 other | 8.6 million | 5.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 11.7 million | 7.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 27 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder. Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.
Fails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 27 August 2026 | 59 | $363.10 | SEC |
| 19 August 2026 | 140 | $404.29 | SEC |
| 14 August 2026 | 34 | $410.52 | SEC |
| 4 August 2026 | 10,402 | $365.80 | SEC |
| 3 August 2026 | 8,077 | $367.69 | SEC |
| 29 July 2026 | 64 | $320.65 | SEC |
| 27 July 2026 | 9,681 | $349.92 | SEC |
| 24 July 2026 | 607 | $373.75 | SEC |
| 21 July 2026 | 813 | $333.76 | SEC |
| 20 July 2026 | 1,760 | $322.36 | SEC |
| 17 July 2026 | 29 | $322.30 | SEC |
| 16 July 2026 | 3,840 | $342.12 | SEC |
| 15 July 2026 | 1,969 | $353.23 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period. Largest in the window: 10,402 on 4 August 2026. A fail is an operational fact about settlement, not a position.
Source
Each fund's 13F-HR on EDGAR, linked per row; positions matched to TER by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.
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