TERADYNE INC (TER): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in TER · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
36
13F filers
Aggregate Value
$3.8B
Across holders
Last Price
$364.90
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity11 increased24 reduced8 exited
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 2.42M | $1.1B | 30.2% | 0.4% | Added | +$1.1B | Q2 2026 |
| LONE PINE CAPITAL LLC CIK 0001061165 | Hedge Fund | 1.49M | $722.4M | 19.1% | 4.4% | Reduced | $-183.8M | Q2 2026 |
| Aspex Management (HK) Ltd CIK 0001768375 | Hedge Fund | 632K | $305.8M | 8.1% | 3.4% | Added | +$60.9M | Q2 2026 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 486K | $235.1M | 6.2% | 0.1% | Reduced | $-31.3M | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 469K | $227.0M | 6.0% | 0.2% | Reduced | +$224.8M | Q2 2026 |
| Point72 Asset Management, L.P. CIK 0001603466 | Hedge Fund | 459K | $221.9M | 5.9% | 0.2% | Reduced | $-883.5M | Q2 2026 |
| AXIOM INVESTORS LLC /DE CIK 0001109147 | Hedge Fund | 251K | $121.7M | 3.2% | 1.1% | Reduced | $-959K | Q2 2026 |
| RENAISSANCE TECHNOLOGIES LLC CIK 0001037389 | Hedge Fund | 218K | $105.5M | 2.8% | 0.1% | Added | +$25.7M | Q2 2026 |
| SHAW D E & CO INC CIK 0001009207 | Hedge Fund | 199K | $96.2M | 2.5% | 0.0% | Reduced | +$81.7M | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 198K | $96.0M | 2.5% | 0.1% | Reduced | +$1.1M | Q2 2026 |
Added
Hedge Fund
$1.1B· 30.2% of total· 0.4% port· 2.42M sh· +$1.1B QoQ· Q2 2026
Reduced
Hedge Fund
$722.4M· 19.1% of total· 4.4% port· 1.49M sh· $-183.8M QoQ· Q2 2026
Added
Hedge Fund
$305.8M· 8.1% of total· 3.4% port· 632K sh· +$60.9M QoQ· Q2 2026
Reduced
Institutional Manager
$235.1M· 6.2% of total· 0.1% port· 486K sh· $-31.3M QoQ· Q2 2026
Reduced
Hedge Fund
$227.0M· 6.0% of total· 0.2% port· 469K sh· +$224.8M QoQ· Q2 2026
Reduced
Hedge Fund
$221.9M· 5.9% of total· 0.2% port· 459K sh· $-883.5M QoQ· Q2 2026
Reduced
Hedge Fund
$121.7M· 3.2% of total· 1.1% port· 251K sh· $-959K QoQ· Q2 2026
Added
Hedge Fund
$105.5M· 2.8% of total· 0.1% port· 218K sh· +$25.7M QoQ· Q2 2026
Reduced
Hedge Fund
$96.2M· 2.5% of total· 0.0% port· 199K sh· +$81.7M QoQ· Q2 2026
Reduced
Hedge Fund
$96.0M· 2.5% of total· 0.1% port· 198K sh· +$1.1M QoQ· Q2 2026
Added
Hedge Fund
$80.0M· 2.1% of total· 0.1% port· 165K sh· +$61.6M QoQ· Q2 2026
Reduced
Hedge Fund
$67.5M· 1.8% of total· 0.1% port· 140K sh· $-387K QoQ· Q2 2026
Reduced
Hedge Fund
$52.3M· 1.4% of total· 0.1% port· 108K sh· $-9.9M QoQ· Q2 2026
Reduced
Hedge Fund
$47.7M· 1.3% of total· 0.2% port· 99K sh· $-116.3M QoQ· Q2 2026
Added
Hedge Fund
$47.4M· 1.3% of total· 0.2% port· 98K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$44.4M· 1.2% of total· 0.2% port· 92K sh· $-5.5M QoQ· Q2 2026
Reduced
Hedge Fund
$32.7M· 0.9% of total· 0.0% port· 68K sh· $-64.4M QoQ· Q2 2026
Reduced
Hedge Fund
$23.6M· 0.6% of total· 0.0% port· 49K sh· $-69.3M QoQ· Q2 2026
Reduced
Hedge Fund
$20.0M· 0.5% of total· 0.0% port· 41K sh· $-43.6M QoQ· Q2 2026
Reduced
Hedge Fund
$19.2M· 0.5% of total· 0.1% port· 40K sh· +$5.9M QoQ· Q2 2026
Reduced
Hedge Fund
$15.0M· 0.4% of total· 0.0% port· 31K sh· $-87.5M QoQ· Q2 2026
Reduced
Hedge Fund
$13.1M· 0.3% of total· 0.0% port· 27K sh· $-43.9M QoQ· Q2 2026
Reduced
Hedge Fund
$12.0M· 0.3% of total· 0.0% port· 25K sh· +$10.8M QoQ· Q2 2026
Added
Hedge Fund
$8.4M· 0.2% of total· 0.0% port· 17K sh· — QoQ· Q2 2026
Added
Hedge Fund
$6.5M· 0.2% of total· 0.1% port· 14K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$5.0M· 0.1% of total· 0.0% port· 10K sh· $-3.3M QoQ· Q2 2026
Reduced
Hedge Fund
$3.6M· 0.1% of total· 0.0% port· 8K sh· +$1.1M QoQ· Q2 2026
Reduced
Hedge Fund
$3.3M· 0.1% of total· 0.0% port· 7K sh· $-28.7M QoQ· Q2 2026
Reduced
Hedge Fund
$3.1M· 0.1% of total· 0.0% port· 6K sh· $-67.1M QoQ· Q2 2026
Reduced
Hedge Fund
$2.3M· 0.1% of total· 0.4% port· 27K sh· $-839K QoQ· Q1 2025
Reduced
Hedge Fund
$1.7M· 0.0% of total· 0.0% port· 3K sh· $-6.5M QoQ· Q2 2026
Added
Hedge Fund
$1.0M· 0.0% of total· 0.0% port· 2K sh· — QoQ· Q2 2026
Added
Hedge Fund
$700K· 0.0% of total· 0.1% port· 2K sh· — QoQ· Q2 2026
Added
Hedge Fund
$206K· 0.0% of total· 0.0% port· 608 sh· — QoQ· Q2 2026
Added
Institutional Manager
$97K· 0.0% of total· 0.0% port· 201 sh· $-51K QoQ· Q2 2026
Unchanged
Hedge Fund
$24K· 0.0% of total· 0.0% port· 50 sh· +$0 QoQ· Q2 2026
1–10 of 36
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