Skip to main content

WESTFIELD CAPITAL MANAGEMENT CO LP

Position in TER — Teradyne, Inc

CIK 1177719 BOSTON, MA

Position in TER

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$66,039,805
+$18,588,831 QoQ
Shares Held
136,491
-76.2% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
#116
of 1,417 holders
Holding Since
Jun 2021
10 quarters on record
Voting authority Sole 81% Shared 0% None 19%

Common Shares in TER Over Time

Shares Held

Position Value (USD)

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

WESTFIELD CAPITAL MANAGEMENT CO LP holds $628,046,750 across 6 Semiconductor Equipment & Materials names. TER ranks #5 (10.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 TER
Teradyne, Inc
This page
136,491 $66,039,805

All Filings in TER

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $66,039,805 136,491
2025-03-31 $47,450,974 574,467
2024-12-31 $61,428,938 487,841
2024-09-30 $44,823,424 334,678
2024-06-30 $49,313,839 332,550
2023-06-30 $54,253,335 487,320
2022-03-31 $54,945,264 464,732
2021-12-31 $58,207,358 355,943
2021-09-30 $46,052,818 421,845
2021-06-30 $48,033,233 358,564