Teradyne
TER
1,233 hedge funds and large institutions have $42.8B invested in Teradyne in 2026 Q1 according to their latest regulatory filings, with 298 funds opening new positions, 426 increasing their positions, 392 reducing their positions, and 90 closing their positions.
231% more first-time investments, than exits
New positions opened: 298 | Existing positions closed: 90
74% more call options, than puts
Call options by funds: $1.12B | Put options by funds: $645M
55% more funds holding in top 10
Funds holding in top 10: 20 → 31 (+11)
46% more capital invested
Capital invested by funds: $29.2B → $42.8B (+$13.5B)
19% more funds holding
Funds holding: 1,040 → 1,233 (+193)
9% more repeat investments, than reductions
Existing positions increased: 426 | Existing positions reduced: 392
3.92% less ownership
Funds ownership: 96.4% → 92.49% (-3.9%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LPC
Lone Pine Capital
Greenwich,
Connecticut
|
+$522M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$324M |
| 3 |
BlackRock
New York
|
+$253M |
| 4 |
AQR Capital Management
Greenwich,
Connecticut
|
+$251M |
| 5 |
Amundi
Paris,
France
|
+$225M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Allspring Global Investments
Charlotte,
North Carolina
|
-$612M |
| 2 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$581M |
| 3 |
Ameriprise
Minneapolis,
Minnesota
|
-$459M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$397M |
| 5 |
AIM
ARK Investment Management
St. Petersburg,
Florida
|
-$310M |
TER Hedge Fund Activity: Q1 2026 in Review
1,233 of the 8,208 institutional investors tracked by Wall St. Rank reported a position in Teradyne (TER) for Q1 2026, worth a combined $42.8B — up 46% from $29.2B a quarter earlier.
Buyers outnumbered sellers: 298 funds opened new TER positions and 90 closed out — a net gain of 208 holders — while 426 added to existing stakes and 392 trimmed.
The largest buyer was Lone Pine Capital, opening a new position worth an estimated $522M. The largest seller was Allspring Global Investments, cutting an estimated $612M.
- 1,233 institutional investors held Teradyne (TER) as of Q1 2026, up from 1,040 in Q4 2025.
- Funds reported $42.8B of Teradyne stock for Q1 2026, up 46% quarter-over-quarter.
- 298 funds opened new Teradyne positions in Q1 2026 and 90 closed out, a net change of +208 holders.
- The largest Teradyne buyer in Q1 2026 was Lone Pine Capital, an estimated $522M added.
- The largest Teradyne seller in Q1 2026 was Allspring Global Investments, an estimated $612M sold.
Based on aggregated 13F filings for Q1 2026.