TERADYNE INC (TER)
Institutional ownership reported to the SEC as of Q2 2026, across 32 quarters.
Institutions report 152,290,666 shares against 156,340,750 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end. A figure this high can overstate: where an adviser and a sub-adviser both report the same shares, both are counted.
Calls and puts are the parts of reported value carried in derivative lines rather than shares, and they point in opposite directions: a manager holding calls is positioned for the security, one holding puts against it - or hedging shares they already own, which is why index funds carry so many. Most sites add the two together and report one figure, which averages away the only interesting part.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | $9.4B | 19,437,021 | 0.14% | 8q | +19.2%+$1.5B |
| VANGUARD CAPITAL MANAGEMENT LLC | $4.9B | 10,225,398 | 0.11% | 2q | HELD |
| VANGUARD PORTFOLIO MANAGEMENT LLC | $4.2B | 8,633,782 | 0.19% | 2q | HELD |
| STATE STREET CORP | $3.5B | 7,290,460 | 0.10% | 31q | +4.6%+$154.8M |
| Invesco Ltd. | $3.2B | 6,683,098 | 0.26% | 31q | +165.1%+$2.0B |
| JPMORGAN CHASE & CO | $2.6B | 5,570,053 | 0.14% | 31q | +94.0%+$1.3B |
| JANE STREET GROUP, LLC | $2.5B incl. $2.3B options CALL+PUT | 518,639 | 0.21% | 31q | +2712.4%+$2.4B |
| GEODE CAPITAL MANAGEMENT, LLC | $2.2B | 4,602,292 | 0.12% | 31q | +5.3%+$112.7M |
| FMR LLC | $2.0B | 4,105,776 | 0.09% | 31q | +13.7%+$240.1M |
| AMERIPRISE FINANCIAL INC | $1.3B incl. $1.4M options PUT | 2,719,428 | 0.27% | 31q | -4.4%-$60.3M |
| VAN ECK ASSOCIATES CORP | $1.3B | 2,607,914 | 0.77% | 31q | +5.0%+$59.8M |
| AQR CAPITAL MANAGEMENT LLC | $1.1B | 2,416,624 | 0.40% | 31q | +10.7%+$110.5M |
| NORGES BANK | $1.1B | 2,223,866 | 0.11% | 32q | +7.9%+$79.2M |
| ALKEON CAPITAL MANAGEMENT LLC | $1.0B | 2,163,010 | 1.41% | 31q | -22.5%-$303.1M |
| GOLDMAN SACHS GROUP INC | $962.8M | 1,989,985 | 0.08% | 31q | +17.5%+$143.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $957.1M | 1,978,124 | 0.17% | 31q | +0.6%+$6.1M |
| MORGAN STANLEY | $926.4M | 1,914,643 | 0.05% | 35q | -11.9%-$124.6M |
| T. Rowe Price Investment Management, Inc. | $858.4M | 1,774,086 | 0.56% | new | NEW |
| BANK OF AMERICA CORP /DE/ | $842.8M | 1,741,943 | 0.05% | 31q | +60.4%+$317.4M |
| UBS Group AG | $804.4M incl. $9.2M options CALL+PUT | 1,643,499 | 0.10% | 31q | +48.1%+$261.1M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $785.3M incl. $637.3M options CALL+PUT | 305,918 | 0.06% | 31q | -22.7%-$231.1M |
| PRICE T ROWE ASSOCIATES INC /MD/ | $740.4M | 1,530,218 | 0.07% | 31q | -27.8%-$284.8M |
| Rafferty Asset Management, LLC | $733.1M | 1,515,149 | 1.67% | 31q | +39.0%+$205.6M |
| NORTHERN TRUST CORP | $727.7M | 1,503,908 | 0.08% | 31q | -4.5%-$34.3M |
| LONE PINE CAPITAL LLC | $722.4M | 1,493,080 | 4.42% | 2q | -20.3%-$183.8M |
| Legal & General Group Plc | $656.1M | 1,355,914 | 0.14% | 31q | +23.9%+$126.6M |
| BARCLAYS PLC | $619.8M | 1,281,018 | 0.12% | 31q | -7.6%-$51.1M |
| Amundi | $581.0M | 1,200,724 | 0.14% | 21q | -14.2%-$95.9M |
| CITADEL ADVISORS LLC | $542.3M incl. $509.7M options CALL+PUT | 67,515 | 0.06% | 31q | -80.8%-$2.3B |
| CITIGROUP INC | $541.8M incl. $21.2M options CALL | 1,075,808 | 0.18% | 31q | -6.0%-$34.8M |
| Sumitomo Mitsui Trust Group, Inc. | $540.5M | 1,117,097 | 0.31% | 31q | -34.4%-$283.8M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $491.0M | 1,014,857 | 0.07% | 31q | -0.6%-$3.0M |
| Pictet Asset Management Holding SA | $472.8M | 977,716 | 0.45% | 12q | +22.1%+$85.7M |
| IMC-Chicago, LLC | $461.9M CALL+PUT | options only | 0.11% | 10q | OPTIONS |
| Bank of New York Mellon Corp | $459.0M | 948,685 | 0.08% | 31q | +7.2%+$30.7M |
| VANGUARD FIDUCIARY TRUST CO | $435.3M | 899,674 | 0.10% | 2q | +2.1%+$8.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | $427.4M | 883,712 | 0.43% | 15q | +13.8%+$51.9M |
| DIMENSIONAL FUND ADVISORS LP | $364.8M | 754,282 | 0.07% | 31q | +4.7%+$16.3M |
| FRANKLIN RESOURCES INC | $351.6M | 726,758 | 0.08% | 27q | +113.5%+$186.9M |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | $334.6M | 678,033 | 0.11% | 7q | +236.9%+$235.3M |
| Anther Capital Ltd | $322.8M | 667,086 | 8.26% | 2q | +163.7%+$200.4M |
| WT Asset Management Ltd | $319.4M | 660,196 | 6.32% | 4q | +19.3%+$51.8M |
| BNP PARIBAS FINANCIAL MARKETS | $319.0M incl. $967.7K options CALL | 657,407 | 0.11% | 31q | -17.7%-$68.5M |
| ARK Investment Management LLC | $312.0M | 644,782 | 2.03% | 31q | -48.2%-$290.5M |
| Aspex Management (HK) Ltd | $305.8M | 631,941 | 3.44% | 3q | +24.9%+$60.9M |
| HSBC HOLDINGS PLC | $301.3M incl. $5.7M options PUT | 615,514 | 0.13% | 31q | +115.9%+$161.7M |
| NOMURA ASSET MANAGEMENT CO LTD | $290.4M | 600,300 | 0.62% | 29q | +87.5%+$135.6M |
| FIRST TRUST ADVISORS LP | $287.7M | 594,673 | 0.17% | 31q | +331.0%+$221.0M |
| RAYMOND JAMES FINANCIAL INC | $283.6M | 586,235 | 0.08% | 7q | -9.1%-$28.5M |
| FEDERATED HERMES, INC. | $271.3M | 560,824 | 0.39% | 31q | -60.2%-$410.7M |
| ACADIAN ASSET MANAGEMENT LLC | $267.8M | 553,598 | 0.32% | 6q | -36.5%-$154.2M |
| WELLS FARGO & COMPANY/MN | $264.6M | 546,810 | 0.04% | 31q | +144.3%+$156.3M |
| 1832 Asset Management L.P. | $254.2M | 525,480 | 0.13% | 3q | +3104.1%+$246.3M |
| Bank Julius Baer & Co. Ltd, Zurich | $251.7M | 526,661 | 0.65% | 4q | +36.8%+$67.7M |
| LAZARD ASSET MANAGEMENT LLC | $240.2M | 496,498 | 0.36% | 34q | -40.3%-$161.8M |
| Capital International Investors | $235.5M | 486,704 | 0.05% | new | NEW |
| PRIMECAP MANAGEMENT CO/CA/ | $235.1M | 485,840 | 0.14% | 31q | -11.8%-$31.3M |
| TWO SIGMA INVESTMENTS, LP | $233.3M incl. $6.3M options CALL+PUT | 469,082 | 0.17% | 13q | -44.1%-$184.2M |
| Point72 Asset Management, L.P. | $227.1M incl. $5.2M options CALL+PUT | 458,710 | 0.25% | 14q | -79.9%-$904.1M |
| ROYAL BANK OF CANADA | $214.4M incl. $38.7M options CALL | 363,061 | 0.03% | 31q | +70.7%+$88.8M |
| Swiss National Bank | $213.7M | 441,600 | 0.11% | 31q | -3.9%-$8.7M |
| Nuveen, LLC | $209.7M | 433,449 | 0.05% | 6q | +31.7%+$50.5M |
| Robeco Institutional Asset Management B.V. | $208.4M | 430,651 | 0.26% | 38q | +255.0%+$149.7M |
| DEUTSCHE BANK AG\ | $206.9M | 427,648 | 0.06% | 34q | -49.8%-$205.1M |
| Squarepoint Ops LLC | $202.9M incl. $106.9M options CALL+PUT | 198,345 | 0.22% | 16q | -37.3%-$120.5M |
| Mitsubishi UFJ Asset Management Co., Ltd. | $194.1M | 401,144 | 0.11% | 31q | +11.4%+$19.9M |
| WORLDQUANT MILLENNIUM ADVISORS LLC | $187.3M | 387,209 | 0.64% | 2q | +26.4%+$39.2M |
| Caisse de depot et placement du Quebec | $186.2M | 384,829 | 0.27% | 4q | +37.1%+$50.4M |
| DekaBank Deutsche Girozentrale | $183.8M | 650,784 | 0.31% | 31q | HELD |
| Jupiter Topco LLC | $179.9M | 371,884 | 0.07% | new | FIRST |
| KBC Group NV | $179.2M | 370,310 | 0.39% | 31q | +6.2%+$10.5M |
| GF FUND MANAGEMENT CO. LTD. | $175.6M | 362,931 | 2.11% | 3q | +20.2%+$29.5M |
| AMERICAN CENTURY COMPANIES INC | $172.9M | 357,353 | 0.08% | 31q | -35.1%-$93.5M |
| Mirae Asset Global Investments Co., Ltd. | $168.5M | 348,243 | 0.25% | 27q | +42.1%+$49.9M |
| Vanguard Global Advisers, LLC | $164.3M | 339,529 | 0.08% | 2q | -1.2%-$2.1M |
| PRUDENTIAL FINANCIAL INC | $157.0M | 324,518 | 0.17% | 31q | -18.8%-$36.3M |
| OVERSEA-CHINESE BANKING Corp Ltd | $156.7M | 323,849 | 3.36% | 7q | HELD |
| NEUBERGER BERMAN GROUP LLC | $150.1M | 310,226 | 0.10% | 27q | -68.1%-$320.0M |
| VANGUARD ASSET MANAGEMENT, Ltd | $149.4M | 308,787 | 0.10% | 2q | +12.8%+$16.9M |
| RHUMBLINE ADVISERS | $145.8M | 301,374 | 0.11% | 31q | +11.8%+$15.4M |
| Russell Investments Group, Ltd. | $137.5M | 287,310 | 0.12% | 31q | +11.2%+$13.9M |
| National Pension Service | $136.6M | 282,335 | 0.09% | 3q | -12.8%-$20.0M |
| Vinva Investment Management Ltd | $130.6M | 281,574 | 0.87% | 3q | +158.4%+$80.0M |
| California Public Employees Retirement System | $127.7M | 263,844 | 0.07% | 31q | -41.6%-$91.0M |
| Amova Asset Management Americas, Inc. | $124.9M | 258,465 | 1.61% | 31q | -53.5%-$143.6M |
| AXIOM INVESTORS LLC /DE | $121.7M | 251,481 | 1.05% | 2q | -0.8%-$959.0K |
| CAPITOLIS LIQUID GLOBAL MARKETS LLC | $121.6M | 251,336 | 0.53% | 2q | +242.5%+$86.1M |
| SG Americas Securities, LLC | $120.2M incl. $87.6M options CALL+PUT | 67,386 | 0.07% | new | NEW |
| TD Asset Management Inc | $118.2M | 244,228 | 0.10% | 27q | +139.6%+$68.8M |
| Allianz Asset Management GmbH | $116.8M incl. $22.4M options CALL+PUT | 195,176 | 0.09% | 40q | +20.7%+$20.0M |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | $115.6M | 238,919 | 0.11% | 31q | -3.8%-$4.6M |
| MILLENNIUM MANAGEMENT LLC | $112.1M incl. $92.1M options CALL+PUT | 41,303 | 0.04% | 31q | -93.7%-$1.7B |
| Quantinno Capital Management LP | $109.4M | 226,033 | 0.13% | 29q | -6.6%-$7.8M |
| LORD, ABBETT & CO. LLC | $109.3M | 225,911 | 0.31% | 3q | +45.0%+$33.9M |
| RENAISSANCE TECHNOLOGIES LLC | $105.5M | 218,100 | 0.15% | 7q | +32.3%+$25.7M |
| D. E. Shaw & Co., Inc. | $103.4M incl. $7.3M options PUT | 198,782 | 0.05% | 31q | -77.1%-$347.6M |
| FULLER & THALER ASSET MANAGEMENT, INC. | $99.5M | 205,682 | 0.27% | 24q | +6.0%+$5.6M |
| Tidal Investments LLC | $96.4M incl. $34.1M options CALL | 128,876 | 0.17% | 23q | +127.9%+$54.1M |
| DSM CAPITAL PARTNERS LLC | $95.3M | 196,967 | 1.63% | 2q | +86.1%+$44.1M |
| Penserra Capital Management LLC | $95.1M | 196,461 | 0.73% | 31q | -5.1%-$5.2M |
Showing the largest 100 of 1,443 reported holders. The count of 1,441 above leaves out 2 positions whose reported value failed our price check; they are listed here as filed.
Q2 2026 in brief
In Q2 2026, 1,441 managers that file Form 13F reported holding Teradyne Inc (TER), $78.0B in all, or about 97% of the shares outstanding. 335 managers opened a position and 137 sold out completely, against 1,243 holders the quarter before. Largest holders: Blackrock, Inc., Vanguard Capital Management Llc and Vanguard Portfolio Management Llc. Largest new positions: T. Rowe Price Investment Management, Inc. ($858.4M), Capital International Investors ($235.5M) and Sg Americas Securities, Llc ($87.2M).
Q2 2026 is the latest quarter whose 13F deadline has passed. A 13F shows long US stock positions at quarter end, filed up to 45 days later; an adviser and a sub-adviser can both report the same shares.
What the company announced
Form 8-K filings from the last 120 days, showing only the items worth a reader's attention. Earnings releases, exhibit attachments and general disclosures are filed constantly and are left out. Filed is when the SEC received it; event is the date the company says the thing happened.
| Filed | Event date | What | Source |
|---|---|---|---|
| 2026-08-10 | 2026-08-07 | Material agreement entered | filing |
What the insiders did
Open market purchases and sales reported on Form 4 in the last 180 days. Grants, option exercises and shares surrendered to cover tax are left out: they are compensation rather than a decision to buy or sell. Where a broker filled one order in tranches the lines are summed, because it was one decision.
Officers and directors
| Date | Insider | Role | Side | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-15 | Smith Gregory Stephen | President and CEO | Sold | 8,597 | $2.9M |
| 2026-08-17 | Smith Gregory Stephen | President and CEO | Sold | 4,000 | $1.7M |
| 2026-06-15 | Smith Gregory Stephen | President and CEO | Sold | 4,000 | $1.7M |
| 2026-07-15 | Smith Gregory Stephen | President and CEO | Sold | 4,000 | $1.4M |
| 2026-10-15 | Smith Gregory Stephen | President and CEO | Sold | 4,000 | $1.4M |
| 2026-09-15 | Smith Gregory Stephen | President and CEO | Sold | 4,000 | $1.4M |
| 2026-08-17 | MATZ MARILYN | Director | Sold | 1,200 | $510.0K |
| 2026-06-15 | MATZ MARILYN | Director | Sold | 1,200 | $507.6K |
| 2026-07-15 | MATZ MARILYN | Director | Sold | 1,200 | $427.6K |
| 2026-05-21 | Poulin Shannon John | President, Semiconductor Test | Sold | 1,008 | $348.1K |
| 2026-10-15 | MATZ MARILYN | Director | Sold | 800 | $273.0K |
| 2026-05-15 | MATZ MARILYN | Director | Sold | 800 | $271.2K |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2026 | 453 | $3.1B | 7,745,273 | 58 | 155 | 142 | 0.0% |
| Q2 2026 | 1,441 | $78.0B | 152,290,666 | 321 | 477 | 449 | 6.1% |
| Q1 2026 | 1,243 | $44.5B | 144,812,287 | 280 | 405 | 376 | 4.0% |
| Q4 2025 | 1,050 | $30.7B | 151,518,632 | 242 | 296 | 315 | 4.5% |
| Q3 2025 | 842 | $24.1B | 166,264,886 | 189 | 258 | 254 | 5.1% |
| Q2 2025 | 733 | $15.4B | 162,131,314 | 101 | 250 | 270 | 5.0% |
| Q1 2025 | 754 | $13.4B | 155,619,343 | 109 | 262 | 243 | 3.9% |
| Q4 2024 | 786 | $20.8B | 159,702,453 | 80 | 254 | 251 | 3.3% |
| Q3 2024 | 766 | $22.8B | 166,335,808 | 87 | 289 | 233 | 2.4% |
| Q2 2024 | 771 | $25.6B | 168,624,949 | 134 | 248 | 234 | 2.2% |
| Q1 2024 | 693 | $19.1B | 167,227,947 | 66 | 234 | 225 | 1.0% |
| Q4 2023 | 719 | $18.2B | 165,517,724 | 71 | 211 | 258 | 1.3% |
| Q3 2023 | 691 | $16.0B | 155,713,999 | 63 | 235 | 245 | 2.2% |
| Q2 2023 | 696 | $18.1B | 159,035,340 | 77 | 232 | 229 | 2.3% |
| Q1 2023 | 671 | $18.6B | 171,007,831 | 84 | 225 | 204 | 1.0% |
| Q4 2022 | 653 | $13.7B | 155,578,610 | 81 | 188 | 248 | 1.2% |
| Q3 2022 | 626 | $50.4B | 911,059,490 | 62 | 209 | 236 | 0.3% |
| Q2 2022 | 644 | $61.6B | 679,430,911 | 63 | 217 | 236 | 0.4% |
| Q1 2022 | 714 | $43.7B | 362,035,325 | 98 | 264 | 230 | 0.6% |
| Q4 2021 | 738 | $62.2B | 375,231,499 | 111 | 216 | 252 | 1.2% |
| Q3 2021 | 671 | $50.1B | 455,086,290 | 50 | 244 | 218 | 0.4% |
| Q2 2021 | 706 | $60.3B | 448,174,006 | 89 | 231 | 247 | 0.5% |
| Q1 2021 | 679 | $52.7B | 434,692,981 | 92 | 221 | 264 | 0.5% |
| Q4 2020 | 663 | $47.7B | 391,690,047 | 119 | 204 | 218 | 0.6% |
| Q3 2020 | 575 | $44.3B | 619,744,303 | 87 | 186 | 197 | 0.4% |
| Q2 2020 | 563 | $43.7B | 562,396,716 | 122 | 166 | 187 | 0.4% |
| Q1 2020 | 488 | $35.1B | 644,383,860 | 59 | 150 | 197 | 0.2% |
| Q4 2019 | 503 | $36.6B | 535,098,022 | 76 | 137 | 184 | 0.4% |
| Q3 2019 | 459 | $23.5B | 403,960,111 | 77 | 125 | 183 | 0.4% |
| Q2 2019 | 424 | $18.5B | 384,524,862 | 66 | 135 | 146 | 0.6% |
| Q1 2019 | 411 | $14.8B | 369,834,446 | 68 | 101 | 162 | 0.7% |
| Q4 2018 | 378 | $11.9B | 376,959,458 | 5 | 6 | 10 | 0.9% |
