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NASDAQ · TECHNOLOGY · Holders
Top institutional shareholders of TER ranked by position size, plus filing changes and recent insider transactions when available.
Top 120 institutional holders
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 13.0% | 20.30M | -1.12M decreased | -5.23% | Dec 31, 2025 | |
| 2 | 10.5% | 16.31M | +906.95K increased | +5.89% | Mar 31, 2026 | |
| 3 | 6.53% | 10.18M | +10.18M initiated | — | Mar 31, 2026 | |
| 4 | 5.52% | 8.60M | +8.60M initiated | — | Mar 31, 2026 | |
| 5 | 4.47% | 6.97M | -108.21K decreased | -1.53% | Mar 31, 2026 | |
| 6 | 2.80% | 4.37M | +205.14K increased | +4.93% | Mar 31, 2026 | |
| 7 | 2.31% | 3.61M | +1.16M increased | +47.57% | Mar 31, 2026 | |
| 8 | 1.84% | 2.87M | -632.25K decreased | -18.05% | Mar 31, 2026 | |
| 9 | AMERIPRISE FINANCIAL INC | 1.82% | 2.84M | -1.65M decreased | -36.66% | Mar 31, 2026 |
| 10 | ALKEON CAPITAL MANAGEMENT LLC | 1.79% | 2.79M | +356.60K increased | +14.66% | Mar 31, 2026 |
| 11 | 1.62% | 2.52M | -430.81K decreased | -14.60% | Mar 31, 2026 | |
| 12 | VAN ECK ASSOCIATES CORP | 1.59% | 2.48M | +205.45K increased | +9.02% | Mar 31, 2026 |
| 13 | POINT72 ASSET MANAGEMENT | 1.47% | 2.28M | -531.85K decreased | -18.88% | Mar 31, 2026 |
| 14 | AQR CAPITAL MANAGEMENT LLC | 1.40% | 2.18M | +900.12K increased | +70.15% | Mar 31, 2026 |
| 15 | 1.39% | 2.17M | -269.94K decreased | -11.05% | Mar 31, 2026 | |
| 16 | 1.36% | 2.12M | -2.08M decreased | -49.59% | Mar 31, 2026 | |
| 17 | 1.32% | 2.06M | +360.33K increased | +21.20% | Dec 31, 2025 | |
| 18 | 1.26% | 1.97M | +396.23K increased | +25.25% | Mar 31, 2026 | |
| 19 | LONE PINE CAPITAL LLC | 1.20% | 1.87M | +1.87M initiated | — | Mar 31, 2026 |
| 20 | SUMITOMO MITSUI TRUST GROUP | 1.09% | 1.70M | -549.85K decreased | -24.40% | Mar 31, 2026 |
Recent insider transactions
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | HERWECK, PETER Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 2 | VAN, KRALINGEN BRIDGET A Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 3 | TUFANO, PAUL J Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 4 | SAYINER, NECIP Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 5 | MADDOCK, ERNEST E Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 6 | HENRY, ANDREW CHISHOLM Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 7 | MATZ, MARILYN Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 8 | JOHNSON, MERCEDES Director | <0.01% | Award | 668 | — | — | May 8, 2026 |
| 9 | DRISCOLL, RYAN VP, General Counsel, Secretary | <0.01% | D | 680 | $377.60 | $256,768 | May 7, 2026 |
| 10 | MILLS, REGAN President, Product Test | <0.01% | D | 16 | $342.17 | $5,475 | Apr 8, 2026 |
| 11 | JOHNSON, MERCEDES Director | <0.01% | D | 625 | $312.20 | $195,125 | Apr 6, 2026 |
| 12 | MILLS, REGAN President, Product Test | <0.01% | D | 252 | $290.88 | $73,302 | Apr 2, 2026 |
Frequently asked
TECHi's TER Holders page ranks the largest institutional shareholders of Teradyne Inc using filing-based market-data feeds.
The Holders page shows institutional positions by share count and, when available, the latest filing change so readers can spot accumulation, reductions, initiated positions, and unchanged holdings.
Recent insider buys, sales, awards, gifts, and option exercises appear below the institutional holders table when Form 4 rows are available.
