GuruTrack
TER

TER

TERADYNE INC

Data as of 2026 Q2 (06-30) · 13F snapshot

Summary
TERADYNE INC (TER) is held as common stock by 8 tracked hedge-fund managers, with a combined reported value of ~$1.51B; the largest are Stephen Mandel, Cathie Wood, Steven Cohen. 4 tracked managers also disclosed PUT or CALL positions, reported separately below. This quarter: 1 added, 7 trimmed, 2 closed. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Cooling
Common-stock holders84 also report options
Congress trades20
Price$401.30vs quarter-end-17.06%
Sectors3
This quarter's moves
New0
Added1
Trimmed / sold9
Top holderStephen Mandel

Common-stock positions

PUT and CALL disclosures are excluded from these holder counts and values.

Stephen MandelTrim
Value $722.41M4.4% of portfolio1,493,0802026 Q2
Cathie WoodTrim
Value $311.97M2.0% of portfolio644,7822026 Q2
Steven CohenTrim
Value $221.94M0.4% of portfolio458,7102026 Q2

PUT / CALL disclosures

Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.

Ken GriffinCALL—
Value $300.61M— of portfolio621,3002026 Q2
Ken GriffinPUT—
Value $209.07M— of portfolio432,1002026 Q2
Izzy EnglanderPUT—
Value $62.46M— of portfolio129,1002026 Q2
Izzy EnglanderCALL—
Value $29.61M— of portfolio61,2002026 Q2
Paul Tudor JonesCALL—
Value $13.02M— of portfolio26,9002026 Q2
Paul Tudor JonesPUT—
Value $4.21M— of portfolio8,7002026 Q2
Steven CohenCALL—
Value $2.66M— of portfolio5,5002026 Q2
Steven CohenPUT—
Value $2.52M— of portfolio5,2002026 Q2

Insider Trading

Officers · directors · Form 4
Open-market purchases and sales (P/S)12

  • Marilyn Matz

    Director

    Sell$140.4K
    400 @ $351.11Traded 2026-09-17Filed 2026-09-18

  • Marilyn Matz

    Director

    Sell$270.3K
    800 @ $337.83Traded 2026-09-15Filed 2026-09-16

  • Gregory Stephen Smith

    President and CEO

    Sell$1.35M
    4,000 @ $337.83Traded 2026-09-15Filed 2026-09-16

  • Mercedes Johnson

    Director

    Sell$57.0K
    167 @ $341.30Traded 2026-09-01Filed 2026-09-02

  • Gregory Stephen Smith

    President and CEO

    Sell$1.70M
    4,000 @ $425.00Traded 2026-08-17Filed 2026-08-18

  • Marilyn Matz

    Director

    Sell$510.0K
    1,200 @ $425.00Traded 2026-08-17Filed 2026-08-18

  • Mercedes Johnson

    Director

    Sell$59.5K
    166 @ $358.15Traded 2026-08-03Filed 2026-08-04

  • Gregory Stephen Smith

    President and CEO

    Sell$1.43M
    4,000 @ $356.31Traded 2026-07-15Filed 2026-07-16

  • Marilyn Matz

    Director

    Sell$427.6K
    1,200 @ $356.31Traded 2026-07-15Filed 2026-07-16

  • Mercedes Johnson

    Director

    Sell$76.8K
    167 @ $460.00Traded 2026-07-01Filed 2026-07-02

  • Marilyn Matz

    Director

    Sell$507.6K
    1,200 @ $423.03Traded 2026-06-15Filed 2026-06-16

  • Gregory Stephen Smith

    President and CEO

    Sell$1.69M
    4,000 @ $423.03Traded 2026-06-15Filed 2026-06-16

Insider transactions are public SEC Form 4 disclosures (company officers, directors, 10% owners), for research only — not investment advice.

ARK ETF holdings

Cathie Wood · daily
ARK total shares held · drag to inspect
2026-09-29holds 612,221
  • ARKQweight in fund6.84%$129.99M
  • ARKXweight in fund4.13%$31.36M
  • ARKKweight in fund0.99%$84.34M

ARK publishes full ETF holdings daily (SEC Rule 6c-11). Line shows ARK's total shares held over time (not price); markers are buy/sell days. Derived from public CSVs — research only, not investment advice.

Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.